5 Changes between 0.9.7a and 0.9.8 [xx XXX xxxx]
7 *) Add functionality to check the public key of a certificate request
8 against a given private. This is useful to check that a certificate
9 request can be signed by that key (self-signing).
12 *) Make it possible to have multiple active certificates with the same
13 subject in the CA index file. This is done only if the keyword
14 'unique_subject' is set to 'no' in the main CA section (default
15 if 'CA_default') of the configuration file. The value is saved
16 with the database itself in a separate index attribute file,
17 named like the index file with '.attr' appended to the name.
20 *) Generate muti valued AVAs using '+' notation in config files for
24 *) Support for nameConstraints certificate extension.
27 *) Support for policyConstraints certificate extension.
30 *) Support for policyMappings certificate extension.
33 *) Fixed a typo bug that would cause ENGINE_set_default() to set an
34 ENGINE as defaults for all supported algorithms irrespective of
35 the 'flags' parameter. 'flags' is now honoured, so applications
36 should make sure they are passing it correctly.
39 *) Make sure the default DSA_METHOD implementation only uses its
40 dsa_mod_exp() and/or bn_mod_exp() handlers if they are non-NULL,
41 and change its own handlers to be NULL so as to remove unnecessary
42 indirection. This lets alternative implementations fallback to the
43 default implementation more easily.
46 *) Support for directoryName in GeneralName related extensions
50 *) Make it possible to link applications using Makefile.shared.
51 Make that possible even when linking against static libraries!
54 *) Various fixes to base64 BIO and non blocking I/O. On write
55 flushes were not handled properly if the BIO retried. On read
56 data was not being buffered properly and had various logic bugs.
59 *) Support for single pass processing for S/MIME signing. This now
60 means that S/MIME signing can be done from a pipe, in addition
61 cleartext signing (multipart/signed type) is effectively streaming
62 and the signed data does not need to be all held in memory.
64 This is done with a new flag PKCS7_STREAM. When this flag is set
65 PKCS7_sign() only initializes the PKCS7 structure and the actual signing
66 is done after the data is output (and digests calculated) in
70 *) Add full support for -rpath/-R, both in shared libraries and
71 applications, at least on the platforms where it's known how
75 *) In crypto/ec/ec_mult.c, implement fast point multiplication with
76 precomputation, based on wNAF splitting: EC_GROUP_precompute_mult()
77 will now compute a table of multiples of the generator that
78 makes subsequent invocations of EC_POINTs_mul() or EC_POINT_mul()
79 faster (notably in the case of a single point multiplication,
81 [Nils Larsch, Bodo Moeller]
83 *) IPv6 support for certificate extensions. The various extensions
84 which use the IP:a.b.c.d can now take IPv6 addresses using the
85 formats of RFC1884 2.2 . IPv6 addresses are now also displayed
89 *) Added an ENGINE that implements RSA by performing private key
90 exponentiations with the GMP library. The conversions to and from
91 GMP's mpz_t format aren't optimised nor are any montgomery forms
92 cached, and on x86 it appears OpenSSL's own performance has caught up.
93 However there are likely to be other architectures where GMP could
94 provide a boost. This ENGINE is not built in by default, but it can be
95 specified at Configure time and should be accompanied by the necessary
97 ./config -DOPENSSL_USE_GMP -lgmp
100 *) "openssl engine" will not display ENGINE/DSO load failure errors when
101 testing availability of engines with "-t" - the old behaviour is
102 produced by increasing the feature's verbosity with "-tt".
105 *) ECDSA routines: under certain error conditions uninitialized BN objects
106 could be freed. Solution: make sure initialization is performed early
107 enough. (Reported and fix supplied by Nils Larsch <nla@trustcenter.de>
111 *) Key-generation can now be implemented in RSA_METHOD, DSA_METHOD
112 and DH_METHOD (eg. by ENGINE implementations) to override the normal
113 software implementations. For DSA and DH, parameter generation can
114 also be overriden by providing the appropriate method callbacks.
117 *) Change the "progress" mechanism used in key-generation and
118 primality testing to functions that take a new BN_GENCB pointer in
119 place of callback/argument pairs. The new API functions have "_ex"
120 postfixes and the older functions are reimplemented as wrappers for
121 the new ones. The OPENSSL_NO_DEPRECATED symbol can be used to hide
122 declarations of the old functions to help (graceful) attempts to
123 migrate to the new functions. Also, the new key-generation API
124 functions operate on a caller-supplied key-structure and return
125 success/failure rather than returning a key or NULL - this is to
126 help make "keygen" another member function of RSA_METHOD etc.
128 Example for using the new callback interface:
130 int (*my_callback)(int a, int b, BN_GENCB *cb) = ...;
134 BN_GENCB_set(&my_cb, my_callback, my_arg);
136 return BN_is_prime_ex(some_bignum, BN_prime_checks, NULL, &cb);
137 /* For the meaning of a, b in calls to my_callback(), see the
138 * documentation of the function that calls the callback.
139 * cb will point to my_cb; my_arg can be retrieved as cb->arg.
140 * my_callback should return 1 if it wants BN_is_prime_ex()
141 * to continue, or 0 to stop.
146 *) Change the ZLIB compression method to be stateful, and make it
147 available to TLS with the number defined in
148 draft-ietf-tls-compression-04.txt.
151 *) Add the ASN.1 structures and functions for CertificatePair, which
152 is defined as follows (according to X.509_4thEditionDraftV6.pdf):
154 CertificatePair ::= SEQUENCE {
155 forward [0] Certificate OPTIONAL,
156 reverse [1] Certificate OPTIONAL,
157 -- at least one of the pair shall be present -- }
159 Also implement the PEM functions to read and write certificate
160 pairs, and defined the PEM tag as "CERTIFICATE PAIR".
162 This needed to be defined, mostly for the sake of the LDAP
163 attribute crossCertificatePair, but may prove useful elsewhere as
167 *) Make it possible to inhibit symlinking of shared libraries in
168 Makefile.shared, for Cygwin's sake.
171 *) Extend the BIGNUM API by creating new macros that behave like
174 void BN_set_sign(BIGNUM *a, int neg);
175 int BN_get_sign(const BIGNUM *a);
177 and avoid the need to access 'a->neg' directly in applications.
178 [Nils Larsch <nla@trustcenter.de>]
180 *) Implement fast modular reduction for pseudo-Mersenne primes
181 used in NIST curves (crypto/bn/bn_nist.c, crypto/ec/ecp_nist.c).
182 EC_GROUP_new_curve_GFp() will now automatically use this
184 [Nils Larsch <nla@trustcenter.de>]
186 *) Add new lock type (CRYPTO_LOCK_BN).
189 *) Change the ENGINE framework to automatically load engines
190 dynamically from specific directories unless they could be
191 found to already be built in or loaded. Move all the
192 current engines except for the cryptodev one to a new
194 The engines in engines/ are built as shared libraries if
195 the "shared" options was given to ./Configure or ./config.
196 Otherwise, they are inserted in libcrypto.a.
197 /usr/local/ssl/engines is the default directory for dynamic
198 engines, but that can be overriden at configure time through
199 the usual use of --prefix and/or --openssldir, and at run
200 time with the environment variable OPENSSL_ENGINES.
201 [Geoff Thorpe and Richard Levitte]
203 *) Add Makefile.shared, a helper makefile to build shared
204 libraries. Addapt Makefile.org.
207 *) Add version info to Win32 DLLs.
208 [Peter 'Luna' Runestig" <peter@runestig.com>]
210 *) Add new 'medium level' PKCS#12 API. Certificates and keys
211 can be added using this API to created arbitrary PKCS#12
212 files while avoiding the low level API.
214 New options to PKCS12_create(), key or cert can be NULL and
215 will then be omitted from the output file. The encryption
216 algorithm NIDs can be set to -1 for no encryption, the mac
217 iteration count can be set to 0 to omit the mac.
219 Enhance pkcs12 utility by making the -nokeys and -nocerts
220 options work when creating a PKCS#12 file. New option -nomac
221 to omit the mac, NONE can be set for an encryption algorithm.
222 New code is modified to use the enhanced PKCS12_create()
223 instead of the low level API.
226 *) Extend ASN1 encoder to support indefinite length constructed
227 encoding. This can output sequences tags and octet strings in
228 this form. Modify pk7_asn1.c to support indefinite length
229 encoding. This is experimental and needs additional code to
230 be useful, such as an ASN1 bio and some enhanced streaming
233 Extend template encode functionality so that tagging is passed
234 down to the template encoder.
237 *) Let 'openssl req' fail if an argument to '-newkey' is not
238 recognized instead of using RSA as a default.
241 *) Add support for ECC-based ciphersuites from draft-ietf-tls-ecc-01.txt.
242 As these are not official, they are not included in "ALL";
243 the "ECCdraft" ciphersuite group alias can be used to select them.
244 [Vipul Gupta and Sumit Gupta (Sun Microsystems Laboratories)]
246 *) Add ECDH engine support.
247 [Nils Gura and Douglas Stebila (Sun Microsystems Laboratories)]
249 *) Add ECDH in new directory crypto/ecdh/.
250 [Douglas Stebila (Sun Microsystems Laboratories)]
252 *) Let BN_rand_range() abort with an error after 100 iterations
253 without success (which indicates a broken PRNG).
256 *) Change BN_mod_sqrt() so that it verifies that the input value
257 is really the square of the return value. (Previously,
258 BN_mod_sqrt would show GIGO behaviour.)
261 *) Add named elliptic curves over binary fields from X9.62, SECG,
262 and WAP/WTLS; add OIDs that were still missing.
264 [Sheueling Chang Shantz and Douglas Stebila
265 (Sun Microsystems Laboratories)]
267 *) Extend the EC library for elliptic curves over binary fields
268 (new files ec2_smpl.c, ec2_smpt.c, ec2_mult.c in crypto/ec/).
271 EC_GF2m_simple_method
275 EC_GROUP_new_curve_GF2m
276 EC_GROUP_set_curve_GF2m
277 EC_GROUP_get_curve_GF2m
278 EC_POINT_set_affine_coordinates_GF2m
279 EC_POINT_get_affine_coordinates_GF2m
280 EC_POINT_set_compressed_coordinates_GF2m
282 Point compression for binary fields is disabled by default for
283 patent reasons (compile with OPENSSL_EC_BIN_PT_COMP defined to
286 As binary polynomials are represented as BIGNUMs, various members
287 of the EC_GROUP and EC_POINT data structures can be shared
288 between the implementations for prime fields and binary fields;
289 the above ..._GF2m functions (except for EX_GROUP_new_curve_GF2m)
290 are essentially identical to their ..._GFp counterparts.
291 (For simplicity, the '..._GFp' prefix has been dropped from
292 various internal method names.)
294 An internal 'field_div' method (similar to 'field_mul' and
295 'field_sqr') has been added; this is used only for binary fields.
297 [Sheueling Chang Shantz and Douglas Stebila
298 (Sun Microsystems Laboratories)]
300 *) Optionally dispatch EC_POINT_mul(), EC_POINT_precompute_mult()
301 through methods ('mul', 'precompute_mult').
303 The generic implementations (now internally called 'ec_wNAF_mul'
304 and 'ec_wNAF_precomputed_mult') remain the default if these
305 methods are undefined.
307 [Sheueling Chang Shantz and Douglas Stebila
308 (Sun Microsystems Laboratories)]
310 *) New function EC_GROUP_get_degree, which is defined through
311 EC_METHOD. For curves over prime fields, this returns the bit
312 length of the modulus.
314 [Sheueling Chang Shantz and Douglas Stebila
315 (Sun Microsystems Laboratories)]
317 *) New functions EC_GROUP_dup, EC_POINT_dup.
318 (These simply call ..._new and ..._copy).
320 [Sheueling Chang Shantz and Douglas Stebila
321 (Sun Microsystems Laboratories)]
323 *) Add binary polynomial arithmetic software in crypto/bn/bn_gf2m.c.
324 Polynomials are represented as BIGNUMs (where the sign bit is not
325 used) in the following functions [macros]:
328 BN_GF2m_sub [= BN_GF2m_add]
329 BN_GF2m_mod [wrapper for BN_GF2m_mod_arr]
330 BN_GF2m_mod_mul [wrapper for BN_GF2m_mod_mul_arr]
331 BN_GF2m_mod_sqr [wrapper for BN_GF2m_mod_sqr_arr]
333 BN_GF2m_mod_exp [wrapper for BN_GF2m_mod_exp_arr]
334 BN_GF2m_mod_sqrt [wrapper for BN_GF2m_mod_sqrt_arr]
335 BN_GF2m_mod_solve_quad [wrapper for BN_GF2m_mod_solve_quad_arr]
336 BN_GF2m_cmp [= BN_ucmp]
338 (Note that only the 'mod' functions are actually for fields GF(2^m).
339 BN_GF2m_add() is misnomer, but this is for the sake of consistency.)
341 For some functions, an the irreducible polynomial defining a
342 field can be given as an 'unsigned int[]' with strictly
343 decreasing elements giving the indices of those bits that are set;
344 i.e., p[] represents the polynomial
345 f(t) = t^p[0] + t^p[1] + ... + t^p[k]
347 p[0] > p[1] > ... > p[k] = 0.
348 This applies to the following functions:
353 BN_GF2m_mod_inv_arr [wrapper for BN_GF2m_mod_inv]
354 BN_GF2m_mod_div_arr [wrapper for BN_GF2m_mod_div]
357 BN_GF2m_mod_solve_quad_arr
361 Conversion can be performed by the following functions:
366 bntest.c has additional tests for binary polynomial arithmetic.
368 Two implementations for BN_GF2m_mod_div() are available.
369 The default algorithm simply uses BN_GF2m_mod_inv() and
370 BN_GF2m_mod_mul(). The alternative algorithm is compiled in only
371 if OPENSSL_SUN_GF2M_DIV is defined (patent pending; read the
372 copyright notice in crypto/bn/bn_gf2m.c before enabling it).
374 [Sheueling Chang Shantz and Douglas Stebila
375 (Sun Microsystems Laboratories)]
377 *) Add new error code 'ERR_R_DISABLED' that can be used when some
378 functionality is disabled at compile-time.
379 [Douglas Stebila <douglas.stebila@sun.com>]
381 *) Change default behaviour of 'openssl asn1parse' so that more
382 information is visible when viewing, e.g., a certificate:
384 Modify asn1_parse2 (crypto/asn1/asn1_par.c) so that in non-'dump'
385 mode the content of non-printable OCTET STRINGs is output in a
386 style similar to INTEGERs, but with '[HEX DUMP]' prepended to
387 avoid the appearance of a printable string.
388 [Nils Larsch <nla@trustcenter.de>]
390 *) Add 'asn1_flag' and 'asn1_form' member to EC_GROUP with access
392 EC_GROUP_set_asn1_flag()
393 EC_GROUP_get_asn1_flag()
394 EC_GROUP_set_point_conversion_form()
395 EC_GROUP_get_point_conversion_form()
396 These control ASN1 encoding details:
397 - Curves (i.e., groups) are encoded explicitly unless asn1_flag
398 has been set to OPENSSL_EC_NAMED_CURVE.
399 - Points are encoded in uncompressed form by default; options for
400 asn1_for are as for point2oct, namely
401 POINT_CONVERSION_COMPRESSED
402 POINT_CONVERSION_UNCOMPRESSED
403 POINT_CONVERSION_HYBRID
405 Also add 'seed' and 'seed_len' members to EC_GROUP with access
409 EC_GROUP_get_seed_len()
410 This is used only for ASN1 purposes (so far).
411 [Nils Larsch <nla@trustcenter.de>]
413 *) Add 'field_type' member to EC_METHOD, which holds the NID
414 of the appropriate field type OID. The new function
415 EC_METHOD_get_field_type() returns this value.
416 [Nils Larsch <nla@trustcenter.de>]
423 providing useful interfaces to EC_POINT_point2oct() and
424 EC_POINT_oct2point().
425 [Nils Larsch <nla@trustcenter.de>]
427 *) Change internals of the EC library so that the functions
428 EC_GROUP_set_generator()
429 EC_GROUP_get_generator()
431 EC_GROUP_get_cofactor()
432 are implemented directly in crypto/ec/ec_lib.c and not dispatched
433 to methods, which would lead to unnecessary code duplication when
434 adding different types of curves.
435 [Nils Larsch <nla@trustcenter.de> with input by Bodo Moeller]
437 *) Implement compute_wNAF (crypto/ec/ec_mult.c) without BIGNUM
438 arithmetic, and such that modified wNAFs are generated
439 (which avoid length expansion in many cases).
442 *) Add a function EC_GROUP_check_discriminant() (defined via
443 EC_METHOD) that verifies that the curve discriminant is non-zero.
445 Add a function EC_GROUP_check() that makes some sanity tests
446 on a EC_GROUP, its generator and order. This includes
447 EC_GROUP_check_discriminant().
448 [Nils Larsch <nla@trustcenter.de>]
450 *) Add ECDSA in new directory crypto/ecdsa/.
452 Add applications 'openssl ecparam' and 'openssl ecdsa'
453 (these are based on 'openssl dsaparam' and 'openssl dsa').
455 ECDSA support is also included in various other files across the
456 library. Most notably,
457 - 'openssl req' now has a '-newkey ecdsa:file' option;
458 - EVP_PKCS82PKEY (crypto/evp/evp_pkey.c) now can handle ECDSA;
459 - X509_PUBKEY_get (crypto/asn1/x_pubkey.c) and
460 d2i_PublicKey (crypto/asn1/d2i_pu.c) have been modified to make
461 them suitable for ECDSA where domain parameters must be
462 extracted before the specific public key;
463 - ECDSA engine support has been added.
464 [Nils Larsch <nla@trustcenter.de>]
466 *) Include some named elliptic curves, and add OIDs from X9.62,
467 SECG, and WAP/WTLS. Each curve can be obtained from the new
469 EC_GROUP_new_by_nid(),
470 and the list of available named curves can be obtained with
471 EC_get_builtin_curves().
472 Also add a 'curve_name' member to EC_GROUP objects, which can be
476 [Nils Larsch <nla@trustcenter.de, Bodo Moeller]
478 *) Remove a few calls to bn_wexpand() in BN_sqr() (the one in there
479 was actually never needed) and in BN_mul(). The removal in BN_mul()
480 required a small change in bn_mul_part_recursive() and the addition
481 of the functions bn_cmp_part_words(), bn_sub_part_words() and
482 bn_add_part_words(), which do the same thing as bn_cmp_words(),
483 bn_sub_words() and bn_add_words() except they take arrays with
487 Changes between 0.9.7a and 0.9.7b [xx XXX 2003]
489 *) Countermeasure against the Klima-Pokorny-Rosa extension of
490 Bleichbacher's attack on PKCS #1 v1.5 padding: treat
491 a protocol version number mismatch like a decryption error
492 in ssl3_get_client_key_exchange (ssl/s3_srvr.c).
495 *) Turn on RSA blinding by default in the default implementation
496 to avoid a timing attack. Applications that don't want it can call
497 RSA_blinding_off() or use the new flag RSA_FLAG_NO_BLINDING.
498 They would be ill-advised to do so in most cases.
499 [Ben Laurie, Steve Henson, Geoff Thorpe, Bodo Moeller]
501 *) Change RSA blinding code so that it works when the PRNG is not
502 seeded (in this case, the secret RSA exponent is abused as
503 an unpredictable seed -- if it is not unpredictable, there
504 is no point in blinding anyway). Make RSA blinding thread-safe
505 by remembering the creator's thread ID in rsa->blinding and
506 having all other threads use local one-time blinding factors
507 (this requires more computation than sharing rsa->blinding, but
508 avoids excessive locking; and if an RSA object is not shared
509 between threads, blinding will still be very fast).
512 yet to be integrated into this CVS branch:
513 - Geoff's ENGINE_set_default() fix
515 *) Target "mingw" now allows native Windows code to be generated in
516 the Cygwin environment as well as with the MinGW compiler.
519 Changes between 0.9.7 and 0.9.7a [19 Feb 2003]
521 *) In ssl3_get_record (ssl/s3_pkt.c), minimize information leaked
522 via timing by performing a MAC computation even if incorrrect
523 block cipher padding has been found. This is a countermeasure
524 against active attacks where the attacker has to distinguish
525 between bad padding and a MAC verification error. (CAN-2003-0078)
527 [Bodo Moeller; problem pointed out by Brice Canvel (EPFL),
528 Alain Hiltgen (UBS), Serge Vaudenay (EPFL), and
529 Martin Vuagnoux (EPFL, Ilion)]
531 *) Make the no-err option work as intended. The intention with no-err
532 is not to have the whole error stack handling routines removed from
533 libcrypto, it's only intended to remove all the function name and
534 reason texts, thereby removing some of the footprint that may not
535 be interesting if those errors aren't displayed anyway.
537 NOTE: it's still possible for any application or module to have it's
538 own set of error texts inserted. The routines are there, just not
539 used by default when no-err is given.
542 *) Add support for FreeBSD on IA64.
543 [dirk.meyer@dinoex.sub.org via Richard Levitte, resolves #454]
545 *) Adjust DES_cbc_cksum() so it returns the same value as the MIT
546 Kerberos function mit_des_cbc_cksum(). Before this change,
547 the value returned by DES_cbc_cksum() was like the one from
548 mit_des_cbc_cksum(), except the bytes were swapped.
549 [Kevin Greaney <Kevin.Greaney@hp.com> and Richard Levitte]
551 *) Allow an application to disable the automatic SSL chain building.
552 Before this a rather primitive chain build was always performed in
553 ssl3_output_cert_chain(): an application had no way to send the
554 correct chain if the automatic operation produced an incorrect result.
556 Now the chain builder is disabled if either:
558 1. Extra certificates are added via SSL_CTX_add_extra_chain_cert().
560 2. The mode flag SSL_MODE_NO_AUTO_CHAIN is set.
562 The reasoning behind this is that an application would not want the
563 auto chain building to take place if extra chain certificates are
564 present and it might also want a means of sending no additional
565 certificates (for example the chain has two certificates and the
569 *) Add the possibility to build without the ENGINE framework.
570 [Steven Reddie <smr@essemer.com.au> via Richard Levitte]
572 *) Under Win32 gmtime() can return NULL: check return value in
573 OPENSSL_gmtime(). Add error code for case where gmtime() fails.
576 *) DSA routines: under certain error conditions uninitialized BN objects
577 could be freed. Solution: make sure initialization is performed early
578 enough. (Reported and fix supplied by Ivan D Nestlerode <nestler@MIT.EDU>,
579 Nils Larsch <nla@trustcenter.de> via PR#459)
582 *) Another fix for SSLv2 session ID handling: the session ID was incorrectly
583 checked on reconnect on the client side, therefore session resumption
584 could still fail with a "ssl session id is different" error. This
585 behaviour is masked when SSL_OP_ALL is used due to
586 SSL_OP_MICROSOFT_SESS_ID_BUG being set.
587 Behaviour observed by Crispin Flowerday <crispin@flowerday.cx> as
591 *) IA-32 assembler support enhancements: unified ELF targets, support
592 for SCO/Caldera platforms, fix for Cygwin shared build.
595 *) Add support for FreeBSD on sparc64. As a consequence, support for
596 FreeBSD on non-x86 processors is separate from x86 processors on
597 the config script, much like the NetBSD support.
598 [Richard Levitte & Kris Kennaway <kris@obsecurity.org>]
600 Changes between 0.9.6h and 0.9.7 [31 Dec 2002]
602 *) Fix session ID handling in SSLv2 client code: the SERVER FINISHED
603 code (06) was taken as the first octet of the session ID and the last
604 octet was ignored consequently. As a result SSLv2 client side session
605 caching could not have worked due to the session ID mismatch between
607 Behaviour observed by Crispin Flowerday <crispin@flowerday.cx> as
611 *) Change the declaration of needed Kerberos libraries to use EX_LIBS
612 instead of the special (and badly supported) LIBKRB5. LIBKRB5 is
616 *) The hw_ncipher.c engine requires dynamic locks. Unfortunately, it
617 seems that in spite of existing for more than a year, many application
618 author have done nothing to provide the necessary callbacks, which
619 means that this particular engine will not work properly anywhere.
620 This is a very unfortunate situation which forces us, in the name
621 of usability, to give the hw_ncipher.c a static lock, which is part
623 NOTE: This is for the 0.9.7 series ONLY. This hack will never
624 appear in 0.9.8 or later. We EXPECT application authors to have
625 dealt properly with this when 0.9.8 is released (unless we actually
626 make such changes in the libcrypto locking code that changes will
627 have to be made anyway).
630 *) In asn1_d2i_read_bio() repeatedly call BIO_read() until all content
631 octets have been read, EOF or an error occurs. Without this change
632 some truncated ASN1 structures will not produce an error.
635 *) Disable Heimdal support, since it hasn't been fully implemented.
636 Still give the possibility to force the use of Heimdal, but with
637 warnings and a request that patches get sent to openssl-dev.
640 *) Add the VC-CE target, introduce the WINCE sysname, and add
641 INSTALL.WCE and appropriate conditionals to make it build.
642 [Steven Reddie <smr@essemer.com.au> via Richard Levitte]
644 *) Change the DLL names for Cygwin to cygcrypto-x.y.z.dll and
645 cygssl-x.y.z.dll, where x, y and z are the major, minor and
646 edit numbers of the version.
647 [Corinna Vinschen <vinschen@redhat.com> and Richard Levitte]
649 *) Introduce safe string copy and catenation functions
650 (BUF_strlcpy() and BUF_strlcat()).
651 [Ben Laurie (CHATS) and Richard Levitte]
653 *) Avoid using fixed-size buffers for one-line DNs.
656 *) Add BUF_MEM_grow_clean() to avoid information leakage when
657 resizing buffers containing secrets, and use where appropriate.
660 *) Avoid using fixed size buffers for configuration file location.
663 *) Avoid filename truncation for various CA files.
666 *) Use sizeof in preference to magic numbers.
669 *) Avoid filename truncation in cert requests.
672 *) Add assertions to check for (supposedly impossible) buffer
676 *) Don't cache truncated DNS entries in the local cache (this could
677 potentially lead to a spoofing attack).
680 *) Fix various buffers to be large enough for hex/decimal
681 representations in a platform independent manner.
684 *) Add CRYPTO_realloc_clean() to avoid information leakage when
685 resizing buffers containing secrets, and use where appropriate.
688 *) Add BIO_indent() to avoid much slightly worrying code to do
692 *) Convert sprintf()/BIO_puts() to BIO_printf().
695 *) buffer_gets() could terminate with the buffer only half
699 *) Add assertions to prevent user-supplied crypto functions from
700 overflowing internal buffers by having large block sizes, etc.
703 *) New OPENSSL_assert() macro (similar to assert(), but enabled
707 *) Eliminate unused copy of key in RC4.
710 *) Eliminate unused and incorrectly sized buffers for IV in pem.h.
713 *) Fix off-by-one error in EGD path.
716 *) If RANDFILE path is too long, ignore instead of truncating.
719 *) Eliminate unused and incorrectly sized X.509 structure
723 *) Eliminate unused and dangerous function knumber().
726 *) Eliminate unused and dangerous structure, KSSL_ERR.
729 *) Protect against overlong session ID context length in an encoded
730 session object. Since these are local, this does not appear to be
734 *) Change from security patch (see 0.9.6e below) that did not affect
735 the 0.9.6 release series:
737 Remote buffer overflow in SSL3 protocol - an attacker could
738 supply an oversized master key in Kerberos-enabled versions.
742 *) Change the SSL kerb5 codes to match RFC 2712.
745 *) Make -nameopt work fully for req and add -reqopt switch.
746 [Michael Bell <michael.bell@rz.hu-berlin.de>, Steve Henson]
748 *) The "block size" for block ciphers in CFB and OFB mode should be 1.
749 [Steve Henson, reported by Yngve Nysaeter Pettersen <yngve@opera.com>]
751 *) Make sure tests can be performed even if the corresponding algorithms
752 have been removed entirely. This was also the last step to make
753 OpenSSL compilable with DJGPP under all reasonable conditions.
754 [Richard Levitte, Doug Kaufman <dkaufman@rahul.net>]
756 *) Add cipher selection rules COMPLEMENTOFALL and COMPLEMENTOFDEFAULT
757 to allow version independent disabling of normally unselected ciphers,
758 which may be activated as a side-effect of selecting a single cipher.
760 (E.g., cipher list string "RSA" enables ciphersuites that are left
761 out of "ALL" because they do not provide symmetric encryption.
762 "RSA:!COMPLEMEMENTOFALL" avoids these unsafe ciphersuites.)
763 [Lutz Jaenicke, Bodo Moeller]
765 *) Add appropriate support for separate platform-dependent build
766 directories. The recommended way to make a platform-dependent
767 build directory is the following (tested on Linux), maybe with
770 # Place yourself outside of the OpenSSL source tree. In
771 # this example, the environment variable OPENSSL_SOURCE
772 # is assumed to contain the absolute OpenSSL source directory.
773 mkdir -p objtree/"`uname -s`-`uname -r`-`uname -m`"
774 cd objtree/"`uname -s`-`uname -r`-`uname -m`"
775 (cd $OPENSSL_SOURCE; find . -type f) | while read F; do
776 mkdir -p `dirname $F`
777 ln -s $OPENSSL_SOURCE/$F $F
780 To be absolutely sure not to disturb the source tree, a "make clean"
781 is a good thing. If it isn't successfull, don't worry about it,
782 it probably means the source directory is very clean.
785 *) Make sure any ENGINE control commands make local copies of string
786 pointers passed to them whenever necessary. Otherwise it is possible
787 the caller may have overwritten (or deallocated) the original string
788 data when a later ENGINE operation tries to use the stored values.
789 [Götz Babin-Ebell <babinebell@trustcenter.de>]
791 *) Improve diagnostics in file reading and command-line digests.
792 [Ben Laurie aided and abetted by Solar Designer <solar@openwall.com>]
794 *) Add AES modes CFB and OFB to the object database. Correct an
795 error in AES-CFB decryption.
798 *) Remove most calls to EVP_CIPHER_CTX_cleanup() in evp_enc.c, this
799 allows existing EVP_CIPHER_CTX structures to be reused after
800 calling EVP_*Final(). This behaviour is used by encryption
801 BIOs and some applications. This has the side effect that
802 applications must explicitly clean up cipher contexts with
803 EVP_CIPHER_CTX_cleanup() or they will leak memory.
806 *) Check the values of dna and dnb in bn_mul_recursive before calling
807 bn_mul_comba (a non zero value means the a or b arrays do not contain
808 n2 elements) and fallback to bn_mul_normal if either is not zero.
811 *) Fix escaping of non-ASCII characters when using the -subj option
812 of the "openssl req" command line tool. (Robert Joop <joop@fokus.gmd.de>)
815 *) Make object definitions compliant to LDAP (RFC2256): SN is the short
816 form for "surname", serialNumber has no short form.
817 Use "mail" as the short name for "rfc822Mailbox" according to RFC2798;
818 therefore remove "mail" short name for "internet 7".
819 The OID for unique identifiers in X509 certificates is
820 x500UniqueIdentifier, not uniqueIdentifier.
821 Some more OID additions. (Michael Bell <michael.bell@rz.hu-berlin.de>)
824 *) Add an "init" command to the ENGINE config module and auto initialize
825 ENGINEs. Without any "init" command the ENGINE will be initialized
826 after all ctrl commands have been executed on it. If init=1 the
827 ENGINE is initailized at that point (ctrls before that point are run
828 on the uninitialized ENGINE and after on the initialized one). If
829 init=0 then the ENGINE will not be iniatialized at all.
832 *) Fix the 'app_verify_callback' interface so that the user-defined
833 argument is actually passed to the callback: In the
834 SSL_CTX_set_cert_verify_callback() prototype, the callback
835 declaration has been changed from
838 int (*cb)(X509_STORE_CTX *,void *);
839 in ssl_verify_cert_chain (ssl/ssl_cert.c), the call
840 i=s->ctx->app_verify_callback(&ctx)
841 has been changed into
842 i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg).
844 To update applications using SSL_CTX_set_cert_verify_callback(),
845 a dummy argument can be added to their callback functions.
846 [D. K. Smetters <smetters@parc.xerox.com>]
848 *) Added the '4758cca' ENGINE to support IBM 4758 cards.
849 [Maurice Gittens <maurice@gittens.nl>, touchups by Geoff Thorpe]
851 *) Add and OPENSSL_LOAD_CONF define which will cause
852 OpenSSL_add_all_algorithms() to load the openssl.cnf config file.
853 This allows older applications to transparently support certain
854 OpenSSL features: such as crypto acceleration and dynamic ENGINE loading.
855 Two new functions OPENSSL_add_all_algorithms_noconf() which will never
856 load the config file and OPENSSL_add_all_algorithms_conf() which will
857 always load it have also been added.
860 *) Add the OFB, CFB and CTR (all with 128 bit feedback) to AES.
861 Adjust NIDs and EVP layer.
862 [Stephen Sprunk <stephen@sprunk.org> and Richard Levitte]
864 *) Config modules support in openssl utility.
866 Most commands now load modules from the config file,
867 though in a few (such as version) this isn't done
868 because it couldn't be used for anything.
870 In the case of ca and req the config file used is
871 the same as the utility itself: that is the -config
872 command line option can be used to specify an
876 *) Move default behaviour from OPENSSL_config(). If appname is NULL
877 use "openssl_conf" if filename is NULL use default openssl config file.
880 *) Add an argument to OPENSSL_config() to allow the use of an alternative
881 config section name. Add a new flag to tolerate a missing config file
882 and move code to CONF_modules_load_file().
885 *) Support for crypto accelerator cards from Accelerated Encryption
886 Processing, www.aep.ie. (Use engine 'aep')
887 The support was copied from 0.9.6c [engine] and adapted/corrected
888 to work with the new engine framework.
889 [AEP Inc. and Richard Levitte]
891 *) Support for SureWare crypto accelerator cards from Baltimore
892 Technologies. (Use engine 'sureware')
893 The support was copied from 0.9.6c [engine] and adapted
894 to work with the new engine framework.
897 *) Have the CHIL engine fork-safe (as defined by nCipher) and actually
898 make the newer ENGINE framework commands for the CHIL engine work.
899 [Toomas Kiisk <vix@cyber.ee> and Richard Levitte]
901 *) Make it possible to produce shared libraries on ReliantUNIX.
902 [Robert Dahlem <Robert.Dahlem@ffm2.siemens.de> via Richard Levitte]
904 *) Add the configuration target debug-linux-ppro.
905 Make 'openssl rsa' use the general key loading routines
906 implemented in apps.c, and make those routines able to
907 handle the key format FORMAT_NETSCAPE and the variant
909 [Toomas Kiisk <vix@cyber.ee> via Richard Levitte]
911 *) Fix a crashbug and a logic bug in hwcrhk_load_pubkey().
912 [Toomas Kiisk <vix@cyber.ee> via Richard Levitte]
914 *) Add -keyform to rsautl, and document -engine.
915 [Richard Levitte, inspired by Toomas Kiisk <vix@cyber.ee>]
917 *) Change BIO_new_file (crypto/bio/bss_file.c) to use new
918 BIO_R_NO_SUCH_FILE error code rather than the generic
919 ERR_R_SYS_LIB error code if fopen() fails with ENOENT.
924 ERR_peek_last_error_line
925 ERR_peek_last_error_line_data.
929 ERR_peek_error_line_data,
930 but report on the latest error recorded rather than the first one
931 still in the error queue.
932 [Ben Laurie, Bodo Moeller]
934 *) default_algorithms option in ENGINE config module. This allows things
936 default_algorithms = ALL
937 default_algorithms = RSA, DSA, RAND, CIPHERS, DIGESTS
940 *) Prelminary ENGINE config module.
943 *) New experimental application configuration code.
946 *) Change the AES code to follow the same name structure as all other
947 symmetric ciphers, and behave the same way. Move everything to
948 the directory crypto/aes, thereby obsoleting crypto/rijndael.
949 [Stephen Sprunk <stephen@sprunk.org> and Richard Levitte]
951 *) SECURITY: remove unsafe setjmp/signal interaction from ui_openssl.c.
952 [Ben Laurie and Theo de Raadt]
954 *) Add option to output public keys in req command.
955 [Massimiliano Pala madwolf@openca.org]
957 *) Use wNAFs in EC_POINTs_mul() for improved efficiency
958 (up to about 10% better than before for P-192 and P-224).
961 *) New functions/macros
963 SSL_CTX_set_msg_callback(ctx, cb)
964 SSL_CTX_set_msg_callback_arg(ctx, arg)
965 SSL_set_msg_callback(ssl, cb)
966 SSL_set_msg_callback_arg(ssl, arg)
968 to request calling a callback function
970 void cb(int write_p, int version, int content_type,
971 const void *buf, size_t len, SSL *ssl, void *arg)
973 whenever a protocol message has been completely received
974 (write_p == 0) or sent (write_p == 1). Here 'version' is the
975 protocol version according to which the SSL library interprets
976 the current protocol message (SSL2_VERSION, SSL3_VERSION, or
977 TLS1_VERSION). 'content_type' is 0 in the case of SSL 2.0, or
978 the content type as defined in the SSL 3.0/TLS 1.0 protocol
979 specification (change_cipher_spec(20), alert(21), handshake(22)).
980 'buf' and 'len' point to the actual message, 'ssl' to the
981 SSL object, and 'arg' is the application-defined value set by
982 SSL[_CTX]_set_msg_callback_arg().
984 'openssl s_client' and 'openssl s_server' have new '-msg' options
985 to enable a callback that displays all protocol messages.
988 *) Change the shared library support so shared libraries are built as
989 soon as the corresponding static library is finished, and thereby get
990 openssl and the test programs linked against the shared library.
991 This still only happens when the keyword "shard" has been given to
992 the configuration scripts.
994 NOTE: shared library support is still an experimental thing, and
995 backward binary compatibility is still not guaranteed.
996 ["Maciej W. Rozycki" <macro@ds2.pg.gda.pl> and Richard Levitte]
998 *) Add support for Subject Information Access extension.
999 [Peter Sylvester <Peter.Sylvester@EdelWeb.fr>]
1001 *) Make BUF_MEM_grow() behaviour more consistent: Initialise to zero
1002 additional bytes when new memory had to be allocated, not just
1003 when reusing an existing buffer.
1006 *) New command line and configuration option 'utf8' for the req command.
1007 This allows field values to be specified as UTF8 strings.
1010 *) Add -multi and -mr options to "openssl speed" - giving multiple parallel
1011 runs for the former and machine-readable output for the latter.
1014 *) Add '-noemailDN' option to 'openssl ca'. This prevents inclusion
1015 of the e-mail address in the DN (i.e., it will go into a certificate
1016 extension only). The new configuration file option 'email_in_dn = no'
1017 has the same effect.
1018 [Massimiliano Pala madwolf@openca.org]
1020 *) Change all functions with names starting with des_ to be starting
1021 with DES_ instead. Add wrappers that are compatible with libdes,
1022 but are named _ossl_old_des_*. Finally, add macros that map the
1023 des_* symbols to the corresponding _ossl_old_des_* if libdes
1024 compatibility is desired. If OpenSSL 0.9.6c compatibility is
1025 desired, the des_* symbols will be mapped to DES_*, with one
1028 Since we provide two compatibility mappings, the user needs to
1029 define the macro OPENSSL_DES_LIBDES_COMPATIBILITY if libdes
1030 compatibility is desired. The default (i.e., when that macro
1031 isn't defined) is OpenSSL 0.9.6c compatibility.
1033 There are also macros that enable and disable the support of old
1034 des functions altogether. Those are OPENSSL_ENABLE_OLD_DES_SUPPORT
1035 and OPENSSL_DISABLE_OLD_DES_SUPPORT. If none or both of those
1036 are defined, the default will apply: to support the old des routines.
1038 In either case, one must include openssl/des.h to get the correct
1039 definitions. Do not try to just include openssl/des_old.h, that
1042 NOTE: This is a major break of an old API into a new one. Software
1043 authors are encouraged to switch to the DES_ style functions. Some
1044 time in the future, des_old.h and the libdes compatibility functions
1045 will be disable (i.e. OPENSSL_DISABLE_OLD_DES_SUPPORT will be the
1046 default), and then completely removed.
1049 *) Test for certificates which contain unsupported critical extensions.
1050 If such a certificate is found during a verify operation it is
1051 rejected by default: this behaviour can be overridden by either
1052 handling the new error X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION or
1053 by setting the verify flag X509_V_FLAG_IGNORE_CRITICAL. A new function
1054 X509_supported_extension() has also been added which returns 1 if a
1055 particular extension is supported.
1058 *) Modify the behaviour of EVP cipher functions in similar way to digests
1059 to retain compatibility with existing code.
1062 *) Modify the behaviour of EVP_DigestInit() and EVP_DigestFinal() to retain
1063 compatibility with existing code. In particular the 'ctx' parameter does
1064 not have to be to be initialized before the call to EVP_DigestInit() and
1065 it is tidied up after a call to EVP_DigestFinal(). New function
1066 EVP_DigestFinal_ex() which does not tidy up the ctx. Similarly function
1067 EVP_MD_CTX_copy() changed to not require the destination to be
1068 initialized valid and new function EVP_MD_CTX_copy_ex() added which
1069 requires the destination to be valid.
1071 Modify all the OpenSSL digest calls to use EVP_DigestInit_ex(),
1072 EVP_DigestFinal_ex() and EVP_MD_CTX_copy_ex().
1075 *) Change ssl3_get_message (ssl/s3_both.c) and the functions using it
1076 so that complete 'Handshake' protocol structures are kept in memory
1077 instead of overwriting 'msg_type' and 'length' with 'body' data.
1080 *) Add an implementation of SSL_add_dir_cert_subjects_to_stack for Win32.
1081 [Massimo Santin via Richard Levitte]
1083 *) Major restructuring to the underlying ENGINE code. This includes
1084 reduction of linker bloat, separation of pure "ENGINE" manipulation
1085 (initialisation, etc) from functionality dealing with implementations
1086 of specific crypto iterfaces. This change also introduces integrated
1087 support for symmetric ciphers and digest implementations - so ENGINEs
1088 can now accelerate these by providing EVP_CIPHER and EVP_MD
1089 implementations of their own. This is detailed in crypto/engine/README
1090 as it couldn't be adequately described here. However, there are a few
1091 API changes worth noting - some RSA, DSA, DH, and RAND functions that
1092 were changed in the original introduction of ENGINE code have now
1093 reverted back - the hooking from this code to ENGINE is now a good
1094 deal more passive and at run-time, operations deal directly with
1095 RSA_METHODs, DSA_METHODs (etc) as they did before, rather than
1096 dereferencing through an ENGINE pointer any more. Also, the ENGINE
1097 functions dealing with BN_MOD_EXP[_CRT] handlers have been removed -
1098 they were not being used by the framework as there is no concept of a
1099 BIGNUM_METHOD and they could not be generalised to the new
1100 'ENGINE_TABLE' mechanism that underlies the new code. Similarly,
1101 ENGINE_cpy() has been removed as it cannot be consistently defined in
1105 *) Change ASN1_GENERALIZEDTIME_check() to allow fractional seconds.
1108 *) Change mkdef.pl to sort symbols that get the same entry number,
1109 and make sure the automatically generated functions ERR_load_*
1110 become part of libeay.num as well.
1113 *) New function SSL_renegotiate_pending(). This returns true once
1114 renegotiation has been requested (either SSL_renegotiate() call
1115 or HelloRequest/ClientHello receveived from the peer) and becomes
1116 false once a handshake has been completed.
1117 (For servers, SSL_renegotiate() followed by SSL_do_handshake()
1118 sends a HelloRequest, but does not ensure that a handshake takes
1119 place. SSL_renegotiate_pending() is useful for checking if the
1120 client has followed the request.)
1123 *) New SSL option SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION.
1124 By default, clients may request session resumption even during
1125 renegotiation (if session ID contexts permit); with this option,
1126 session resumption is possible only in the first handshake.
1128 SSL_OP_ALL is now 0x00000FFFL instead of 0x000FFFFFL. This makes
1129 more bits available for options that should not be part of
1130 SSL_OP_ALL (such as SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION).
1133 *) Add some demos for certificate and certificate request creation.
1136 *) Make maximum certificate chain size accepted from the peer application
1137 settable (SSL*_get/set_max_cert_list()), as proposed by
1138 "Douglas E. Engert" <deengert@anl.gov>.
1141 *) Add support for shared libraries for Unixware-7
1142 (Boyd Lynn Gerber <gerberb@zenez.com>).
1145 *) Add a "destroy" handler to ENGINEs that allows structural cleanup to
1146 be done prior to destruction. Use this to unload error strings from
1147 ENGINEs that load their own error strings. NB: This adds two new API
1148 functions to "get" and "set" this destroy handler in an ENGINE.
1151 *) Alter all existing ENGINE implementations (except "openssl" and
1152 "openbsd") to dynamically instantiate their own error strings. This
1153 makes them more flexible to be built both as statically-linked ENGINEs
1154 and self-contained shared-libraries loadable via the "dynamic" ENGINE.
1155 Also, add stub code to each that makes building them as self-contained
1156 shared-libraries easier (see README.ENGINE).
1159 *) Add a "dynamic" ENGINE that provides a mechanism for binding ENGINE
1160 implementations into applications that are completely implemented in
1161 self-contained shared-libraries. The "dynamic" ENGINE exposes control
1162 commands that can be used to configure what shared-library to load and
1163 to control aspects of the way it is handled. Also, made an update to
1164 the README.ENGINE file that brings its information up-to-date and
1165 provides some information and instructions on the "dynamic" ENGINE
1166 (ie. how to use it, how to build "dynamic"-loadable ENGINEs, etc).
1169 *) Make it possible to unload ranges of ERR strings with a new
1170 "ERR_unload_strings" function.
1173 *) Add a copy() function to EVP_MD.
1176 *) Make EVP_MD routines take a context pointer instead of just the
1177 md_data void pointer.
1180 *) Add flags to EVP_MD and EVP_MD_CTX. EVP_MD_FLAG_ONESHOT indicates
1181 that the digest can only process a single chunk of data
1182 (typically because it is provided by a piece of
1183 hardware). EVP_MD_CTX_FLAG_ONESHOT indicates that the application
1184 is only going to provide a single chunk of data, and hence the
1185 framework needn't accumulate the data for oneshot drivers.
1188 *) As with "ERR", make it possible to replace the underlying "ex_data"
1189 functions. This change also alters the storage and management of global
1190 ex_data state - it's now all inside ex_data.c and all "class" code (eg.
1191 RSA, BIO, SSL_CTX, etc) no longer stores its own STACKS and per-class
1192 index counters. The API functions that use this state have been changed
1193 to take a "class_index" rather than pointers to the class's local STACK
1194 and counter, and there is now an API function to dynamically create new
1195 classes. This centralisation allows us to (a) plug a lot of the
1196 thread-safety problems that existed, and (b) makes it possible to clean
1197 up all allocated state using "CRYPTO_cleanup_all_ex_data()". W.r.t. (b)
1198 such data would previously have always leaked in application code and
1199 workarounds were in place to make the memory debugging turn a blind eye
1200 to it. Application code that doesn't use this new function will still
1201 leak as before, but their memory debugging output will announce it now
1202 rather than letting it slide.
1204 Besides the addition of CRYPTO_cleanup_all_ex_data(), another API change
1205 induced by the "ex_data" overhaul is that X509_STORE_CTX_init() now
1206 has a return value to indicate success or failure.
1209 *) Make it possible to replace the underlying "ERR" functions such that the
1210 global state (2 LHASH tables and 2 locks) is only used by the "default"
1211 implementation. This change also adds two functions to "get" and "set"
1212 the implementation prior to it being automatically set the first time
1213 any other ERR function takes place. Ie. an application can call "get",
1214 pass the return value to a module it has just loaded, and that module
1215 can call its own "set" function using that value. This means the
1216 module's "ERR" operations will use (and modify) the error state in the
1217 application and not in its own statically linked copy of OpenSSL code.
1220 *) Give DH, DSA, and RSA types their own "**_up_ref()" function to increment
1221 reference counts. This performs normal REF_PRINT/REF_CHECK macros on
1222 the operation, and provides a more encapsulated way for external code
1223 (crypto/evp/ and ssl/) to do this. Also changed the evp and ssl code
1224 to use these functions rather than manually incrementing the counts.
1226 Also rename "DSO_up()" function to more descriptive "DSO_up_ref()".
1229 *) Add EVP test program.
1232 *) Add symmetric cipher support to ENGINE. Expect the API to change!
1235 *) New CRL functions: X509_CRL_set_version(), X509_CRL_set_issuer_name()
1236 X509_CRL_set_lastUpdate(), X509_CRL_set_nextUpdate(), X509_CRL_sort(),
1237 X509_REVOKED_set_serialNumber(), and X509_REVOKED_set_revocationDate().
1238 These allow a CRL to be built without having to access X509_CRL fields
1239 directly. Modify 'ca' application to use new functions.
1242 *) Move SSL_OP_TLS_ROLLBACK_BUG out of the SSL_OP_ALL list of recommended
1243 bug workarounds. Rollback attack detection is a security feature.
1244 The problem will only arise on OpenSSL servers when TLSv1 is not
1245 available (sslv3_server_method() or SSL_OP_NO_TLSv1).
1246 Software authors not wanting to support TLSv1 will have special reasons
1247 for their choice and can explicitly enable this option.
1248 [Bodo Moeller, Lutz Jaenicke]
1250 *) Rationalise EVP so it can be extended: don't include a union of
1251 cipher/digest structures, add init/cleanup functions for EVP_MD_CTX
1252 (similar to those existing for EVP_CIPHER_CTX).
1257 EVP_MD_CTX_init(&md); /* new function call */
1258 EVP_DigestInit(&md, EVP_sha1());
1259 EVP_DigestUpdate(&md, in, len);
1260 EVP_DigestFinal(&md, out, NULL);
1261 EVP_MD_CTX_cleanup(&md); /* new function call */
1265 *) Make DES key schedule conform to the usual scheme, as well as
1266 correcting its structure. This means that calls to DES functions
1267 now have to pass a pointer to a des_key_schedule instead of a
1268 plain des_key_schedule (which was actually always a pointer
1271 des_key_schedule ks;
1273 des_set_key_checked(..., &ks);
1274 des_ncbc_encrypt(..., &ks, ...);
1276 (Note that a later change renames 'des_...' into 'DES_...'.)
1279 *) Initial reduction of linker bloat: the use of some functions, such as
1280 PEM causes large amounts of unused functions to be linked in due to
1281 poor organisation. For example pem_all.c contains every PEM function
1282 which has a knock on effect of linking in large amounts of (unused)
1283 ASN1 code. Grouping together similar functions and splitting unrelated
1284 functions prevents this.
1287 *) Cleanup of EVP macros.
1290 *) Change historical references to {NID,SN,LN}_des_ede and ede3 to add the
1291 correct _ecb suffix.
1294 *) Add initial OCSP responder support to ocsp application. The
1295 revocation information is handled using the text based index
1296 use by the ca application. The responder can either handle
1297 requests generated internally, supplied in files (for example
1298 via a CGI script) or using an internal minimal server.
1301 *) Add configuration choices to get zlib compression for TLS.
1304 *) Changes to Kerberos SSL for RFC 2712 compliance:
1305 1. Implemented real KerberosWrapper, instead of just using
1306 KRB5 AP_REQ message. [Thanks to Simon Wilkinson <sxw@sxw.org.uk>]
1307 2. Implemented optional authenticator field of KerberosWrapper.
1309 Added openssl-style ASN.1 macros for Kerberos ticket, ap_req,
1310 and authenticator structs; see crypto/krb5/.
1312 Generalized Kerberos calls to support multiple Kerberos libraries.
1313 [Vern Staats <staatsvr@asc.hpc.mil>,
1314 Jeffrey Altman <jaltman@columbia.edu>
1315 via Richard Levitte]
1317 *) Cause 'openssl speed' to use fully hard-coded DSA keys as it
1318 already does with RSA. testdsa.h now has 'priv_key/pub_key'
1319 values for each of the key sizes rather than having just
1320 parameters (and 'speed' generating keys each time).
1323 *) Speed up EVP routines.
1326 type 8 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
1327 des-cbc 4408.85k 5560.51k 5778.46k 5862.20k 5825.16k
1328 des-cbc 4389.55k 5571.17k 5792.23k 5846.91k 5832.11k
1329 des-cbc 4394.32k 5575.92k 5807.44k 5848.37k 5841.30k
1331 des-cbc 3482.66k 5069.49k 5496.39k 5614.16k 5639.28k
1332 des-cbc 3480.74k 5068.76k 5510.34k 5609.87k 5635.52k
1333 des-cbc 3483.72k 5067.62k 5504.60k 5708.01k 5724.80k
1336 des-cbc 4660.16k 5650.19k 5807.19k 5827.13k 5783.32k
1338 des-cbc 3624.96k 5258.21k 5530.91k 5624.30k 5628.26k
1341 *) Added the OS2-EMX target.
1342 ["Brian Havard" <brianh@kheldar.apana.org.au> and Richard Levitte]
1344 *) Rewrite apps to use NCONF routines instead of the old CONF. New functions
1345 to support NCONF routines in extension code. New function CONF_set_nconf()
1346 to allow functions which take an NCONF to also handle the old LHASH
1347 structure: this means that the old CONF compatible routines can be
1348 retained (in particular wrt extensions) without having to duplicate the
1349 code. New function X509V3_add_ext_nconf_sk to add extensions to a stack.
1352 *) Enhance the general user interface with mechanisms for inner control
1353 and with possibilities to have yes/no kind of prompts.
1356 *) Change all calls to low level digest routines in the library and
1357 applications to use EVP. Add missing calls to HMAC_cleanup() and
1358 don't assume HMAC_CTX can be copied using memcpy().
1359 [Verdon Walker <VWalker@novell.com>, Steve Henson]
1361 *) Add the possibility to control engines through control names but with
1362 arbitrary arguments instead of just a string.
1363 Change the key loaders to take a UI_METHOD instead of a callback
1364 function pointer. NOTE: this breaks binary compatibility with earlier
1365 versions of OpenSSL [engine].
1366 Adapt the nCipher code for these new conditions and add a card insertion
1370 *) Enhance the general user interface with mechanisms to better support
1371 dialog box interfaces, application-defined prompts, the possibility
1372 to use defaults (for example default passwords from somewhere else)
1373 and interrupts/cancellations.
1376 *) Tidy up PKCS#12 attribute handling. Add support for the CSP name
1377 attribute in PKCS#12 files, add new -CSP option to pkcs12 utility.
1380 *) Fix a memory leak in 'sk_dup()' in the case reallocation fails. (Also
1381 tidy up some unnecessarily weird code in 'sk_new()').
1382 [Geoff, reported by Diego Tartara <dtartara@novamens.com>]
1384 *) Change the key loading routines for ENGINEs to use the same kind
1385 callback (pem_password_cb) as all other routines that need this
1389 *) Increase ENTROPY_NEEDED to 32 bytes, as Rijndael can operate with
1390 256 bit (=32 byte) keys. Of course seeding with more entropy bytes
1391 than this minimum value is recommended.
1394 *) New random seeder for OpenVMS, using the system process statistics
1395 that are easily reachable.
1398 *) Windows apparently can't transparently handle global
1399 variables defined in DLLs. Initialisations such as:
1401 const ASN1_ITEM *it = &ASN1_INTEGER_it;
1403 wont compile. This is used by the any applications that need to
1404 declare their own ASN1 modules. This was fixed by adding the option
1405 EXPORT_VAR_AS_FN to all Win32 platforms, although this isn't strictly
1406 needed for static libraries under Win32.
1409 *) New functions X509_PURPOSE_set() and X509_TRUST_set() to handle
1410 setting of purpose and trust fields. New X509_STORE trust and
1411 purpose functions and tidy up setting in other SSL functions.
1414 *) Add copies of X509_STORE_CTX fields and callbacks to X509_STORE
1415 structure. These are inherited by X509_STORE_CTX when it is
1416 initialised. This allows various defaults to be set in the
1417 X509_STORE structure (such as flags for CRL checking and custom
1418 purpose or trust settings) for functions which only use X509_STORE_CTX
1419 internally such as S/MIME.
1421 Modify X509_STORE_CTX_purpose_inherit() so it only sets purposes and
1422 trust settings if they are not set in X509_STORE. This allows X509_STORE
1423 purposes and trust (in S/MIME for example) to override any set by default.
1425 Add command line options for CRL checking to smime, s_client and s_server
1429 *) Initial CRL based revocation checking. If the CRL checking flag(s)
1430 are set then the CRL is looked up in the X509_STORE structure and
1431 its validity and signature checked, then if the certificate is found
1432 in the CRL the verify fails with a revoked error.
1434 Various new CRL related callbacks added to X509_STORE_CTX structure.
1436 Command line options added to 'verify' application to support this.
1438 This needs some additional work, such as being able to handle multiple
1439 CRLs with different times, extension based lookup (rather than just
1440 by subject name) and ultimately more complete V2 CRL extension
1444 *) Add a general user interface API (crypto/ui/). This is designed
1445 to replace things like des_read_password and friends (backward
1446 compatibility functions using this new API are provided).
1447 The purpose is to remove prompting functions from the DES code
1448 section as well as provide for prompting through dialog boxes in
1449 a window system and the like.
1452 *) Add "ex_data" support to ENGINE so implementations can add state at a
1453 per-structure level rather than having to store it globally.
1456 *) Make it possible for ENGINE structures to be copied when retrieved by
1457 ENGINE_by_id() if the ENGINE specifies a new flag: ENGINE_FLAGS_BY_ID_COPY.
1458 This causes the "original" ENGINE structure to act like a template,
1459 analogous to the RSA vs. RSA_METHOD type of separation. Because of this
1460 operational state can be localised to each ENGINE structure, despite the
1461 fact they all share the same "methods". New ENGINE structures returned in
1462 this case have no functional references and the return value is the single
1463 structural reference. This matches the single structural reference returned
1464 by ENGINE_by_id() normally, when it is incremented on the pre-existing
1468 *) Fix ASN1 decoder when decoding type ANY and V_ASN1_OTHER: since this
1469 needs to match any other type at all we need to manually clear the
1473 *) Changes to the "openssl engine" utility to include;
1474 - verbosity levels ('-v', '-vv', and '-vvv') that provide information
1475 about an ENGINE's available control commands.
1476 - executing control commands from command line arguments using the
1477 '-pre' and '-post' switches. '-post' is only used if '-t' is
1478 specified and the ENGINE is successfully initialised. The syntax for
1479 the individual commands are colon-separated, for example;
1480 openssl engine chil -pre FORK_CHECK:0 -pre SO_PATH:/lib/test.so
1483 *) New dynamic control command support for ENGINEs. ENGINEs can now
1484 declare their own commands (numbers), names (strings), descriptions,
1485 and input types for run-time discovery by calling applications. A
1486 subset of these commands are implicitly classed as "executable"
1487 depending on their input type, and only these can be invoked through
1488 the new string-based API function ENGINE_ctrl_cmd_string(). (Eg. this
1489 can be based on user input, config files, etc). The distinction is
1490 that "executable" commands cannot return anything other than a boolean
1491 result and can only support numeric or string input, whereas some
1492 discoverable commands may only be for direct use through
1493 ENGINE_ctrl(), eg. supporting the exchange of binary data, function
1494 pointers, or other custom uses. The "executable" commands are to
1495 support parameterisations of ENGINE behaviour that can be
1496 unambiguously defined by ENGINEs and used consistently across any
1497 OpenSSL-based application. Commands have been added to all the
1498 existing hardware-supporting ENGINEs, noticeably "SO_PATH" to allow
1499 control over shared-library paths without source code alterations.
1502 *) Changed all ENGINE implementations to dynamically allocate their
1503 ENGINEs rather than declaring them statically. Apart from this being
1504 necessary with the removal of the ENGINE_FLAGS_MALLOCED distinction,
1505 this also allows the implementations to compile without using the
1506 internal engine_int.h header.
1509 *) Minor adjustment to "rand" code. RAND_get_rand_method() now returns a
1510 'const' value. Any code that should be able to modify a RAND_METHOD
1511 should already have non-const pointers to it (ie. they should only
1512 modify their own ones).
1515 *) Made a variety of little tweaks to the ENGINE code.
1516 - "atalla" and "ubsec" string definitions were moved from header files
1517 to C code. "nuron" string definitions were placed in variables
1518 rather than hard-coded - allowing parameterisation of these values
1519 later on via ctrl() commands.
1520 - Removed unused "#if 0"'d code.
1521 - Fixed engine list iteration code so it uses ENGINE_free() to release
1522 structural references.
1523 - Constified the RAND_METHOD element of ENGINE structures.
1524 - Constified various get/set functions as appropriate and added
1525 missing functions (including a catch-all ENGINE_cpy that duplicates
1526 all ENGINE values onto a new ENGINE except reference counts/state).
1527 - Removed NULL parameter checks in get/set functions. Setting a method
1528 or function to NULL is a way of cancelling out a previously set
1529 value. Passing a NULL ENGINE parameter is just plain stupid anyway
1530 and doesn't justify the extra error symbols and code.
1531 - Deprecate the ENGINE_FLAGS_MALLOCED define and move the area for
1532 flags from engine_int.h to engine.h.
1533 - Changed prototypes for ENGINE handler functions (init(), finish(),
1534 ctrl(), key-load functions, etc) to take an (ENGINE*) parameter.
1537 *) Implement binary inversion algorithm for BN_mod_inverse in addition
1538 to the algorithm using long division. The binary algorithm can be
1539 used only if the modulus is odd. On 32-bit systems, it is faster
1540 only for relatively small moduli (roughly 20-30% for 128-bit moduli,
1541 roughly 5-15% for 256-bit moduli), so we use it only for moduli
1542 up to 450 bits. In 64-bit environments, the binary algorithm
1543 appears to be advantageous for much longer moduli; here we use it
1544 for moduli up to 2048 bits.
1547 *) Rewrite CHOICE field setting in ASN1_item_ex_d2i(). The old code
1548 could not support the combine flag in choice fields.
1551 *) Add a 'copy_extensions' option to the 'ca' utility. This copies
1552 extensions from a certificate request to the certificate.
1555 *) Allow multiple 'certopt' and 'nameopt' options to be separated
1556 by commas. Add 'namopt' and 'certopt' options to the 'ca' config
1557 file: this allows the display of the certificate about to be
1558 signed to be customised, to allow certain fields to be included
1559 or excluded and extension details. The old system didn't display
1560 multicharacter strings properly, omitted fields not in the policy
1561 and couldn't display additional details such as extensions.
1564 *) Function EC_POINTs_mul for multiple scalar multiplication
1565 of an arbitrary number of elliptic curve points
1566 \sum scalars[i]*points[i],
1567 optionally including the generator defined for the EC_GROUP:
1568 scalar*generator + \sum scalars[i]*points[i].
1570 EC_POINT_mul is a simple wrapper function for the typical case
1571 that the point list has just one item (besides the optional
1575 *) First EC_METHODs for curves over GF(p):
1577 EC_GFp_simple_method() uses the basic BN_mod_mul and BN_mod_sqr
1578 operations and provides various method functions that can also
1579 operate with faster implementations of modular arithmetic.
1581 EC_GFp_mont_method() reuses most functions that are part of
1582 EC_GFp_simple_method, but uses Montgomery arithmetic.
1584 [Bodo Moeller; point addition and point doubling
1585 implementation directly derived from source code provided by
1586 Lenka Fibikova <fibikova@exp-math.uni-essen.de>]
1588 *) Framework for elliptic curves (crypto/ec/ec.h, crypto/ec/ec_lcl.h,
1589 crypto/ec/ec_lib.c):
1591 Curves are EC_GROUP objects (with an optional group generator)
1592 based on EC_METHODs that are built into the library.
1594 Points are EC_POINT objects based on EC_GROUP objects.
1596 Most of the framework would be able to handle curves over arbitrary
1597 finite fields, but as there are no obvious types for fields other
1598 than GF(p), some functions are limited to that for now.
1601 *) Add the -HTTP option to s_server. It is similar to -WWW, but requires
1602 that the file contains a complete HTTP response.
1605 *) Add the ec directory to mkdef.pl and mkfiles.pl. In mkdef.pl
1606 change the def and num file printf format specifier from "%-40sXXX"
1607 to "%-39s XXX". The latter will always guarantee a space after the
1608 field while the former will cause them to run together if the field
1609 is 40 of more characters long.
1612 *) Constify the cipher and digest 'method' functions and structures
1613 and modify related functions to take constant EVP_MD and EVP_CIPHER
1617 *) Hide BN_CTX structure details in bn_lcl.h instead of publishing them
1618 in <openssl/bn.h>. Also further increase BN_CTX_NUM to 32.
1621 *) Modify EVP_Digest*() routines so they now return values. Although the
1622 internal software routines can never fail additional hardware versions
1626 *) Clean up crypto/err/err.h and change some error codes to avoid conflicts:
1628 Previously ERR_R_FATAL was too small and coincided with ERR_LIB_PKCS7
1629 (= ERR_R_PKCS7_LIB); it is now 64 instead of 32.
1632 ERR_R_NESTED_ASN1_ERROR
1634 ERR_R_MISSING_ASN1_EOS
1635 were 4 .. 9, conflicting with
1636 ERR_LIB_RSA (= ERR_R_RSA_LIB)
1638 ERR_LIB_PEM (= ERR_R_PEM_LIB).
1639 They are now 58 .. 63 (i.e., just below ERR_R_FATAL).
1641 Add new error code 'ERR_R_INTERNAL_ERROR'.
1644 *) Don't overuse locks in crypto/err/err.c: For data retrieval, CRYPTO_r_lock
1648 *) New option '-subj arg' for 'openssl req' and 'openssl ca'. This
1649 sets the subject name for a new request or supersedes the
1650 subject name in a given request. Formats that can be parsed are
1651 'CN=Some Name, OU=myOU, C=IT'
1653 'CN=Some Name/OU=myOU/C=IT'.
1655 Add options '-batch' and '-verbose' to 'openssl req'.
1656 [Massimiliano Pala <madwolf@hackmasters.net>]
1658 *) Introduce the possibility to access global variables through
1659 functions on platform were that's the best way to handle exporting
1660 global variables in shared libraries. To enable this functionality,
1661 one must configure with "EXPORT_VAR_AS_FN" or defined the C macro
1662 "OPENSSL_EXPORT_VAR_AS_FUNCTION" in crypto/opensslconf.h (the latter
1663 is normally done by Configure or something similar).
1665 To implement a global variable, use the macro OPENSSL_IMPLEMENT_GLOBAL
1666 in the source file (foo.c) like this:
1668 OPENSSL_IMPLEMENT_GLOBAL(int,foo)=1;
1669 OPENSSL_IMPLEMENT_GLOBAL(double,bar);
1671 To declare a global variable, use the macros OPENSSL_DECLARE_GLOBAL
1672 and OPENSSL_GLOBAL_REF in the header file (foo.h) like this:
1674 OPENSSL_DECLARE_GLOBAL(int,foo);
1675 #define foo OPENSSL_GLOBAL_REF(foo)
1676 OPENSSL_DECLARE_GLOBAL(double,bar);
1677 #define bar OPENSSL_GLOBAL_REF(bar)
1679 The #defines are very important, and therefore so is including the
1680 header file everywhere where the defined globals are used.
1682 The macro OPENSSL_EXPORT_VAR_AS_FUNCTION also affects the definition
1683 of ASN.1 items, but that structure is a bit different.
1685 The largest change is in util/mkdef.pl which has been enhanced with
1686 better and easier to understand logic to choose which symbols should
1687 go into the Windows .def files as well as a number of fixes and code
1688 cleanup (among others, algorithm keywords are now sorted
1689 lexicographically to avoid constant rewrites).
1692 *) In BN_div() keep a copy of the sign of 'num' before writing the
1693 result to 'rm' because if rm==num the value will be overwritten
1694 and produce the wrong result if 'num' is negative: this caused
1695 problems with BN_mod() and BN_nnmod().
1698 *) Function OCSP_request_verify(). This checks the signature on an
1699 OCSP request and verifies the signer certificate. The signer
1700 certificate is just checked for a generic purpose and OCSP request
1704 *) Add OCSP_check_validity() function to check the validity of OCSP
1705 responses. OCSP responses are prepared in real time and may only
1706 be a few seconds old. Simply checking that the current time lies
1707 between thisUpdate and nextUpdate max reject otherwise valid responses
1708 caused by either OCSP responder or client clock inaccuracy. Instead
1709 we allow thisUpdate and nextUpdate to fall within a certain period of
1710 the current time. The age of the response can also optionally be
1711 checked. Two new options -validity_period and -status_age added to
1715 *) If signature or public key algorithm is unrecognized print out its
1716 OID rather that just UNKNOWN.
1719 *) Change OCSP_cert_to_id() to tolerate a NULL subject certificate and
1720 OCSP_cert_id_new() a NULL serialNumber. This allows a partial certificate
1721 ID to be generated from the issuer certificate alone which can then be
1722 passed to OCSP_id_issuer_cmp().
1725 *) New compilation option ASN1_ITEM_FUNCTIONS. This causes the new
1726 ASN1 modules to export functions returning ASN1_ITEM pointers
1727 instead of the ASN1_ITEM structures themselves. This adds several
1728 new macros which allow the underlying ASN1 function/structure to
1729 be accessed transparently. As a result code should not use ASN1_ITEM
1730 references directly (such as &X509_it) but instead use the relevant
1731 macros (such as ASN1_ITEM_rptr(X509)). This option is to allow
1732 use of the new ASN1 code on platforms where exporting structures
1733 is problematical (for example in shared libraries) but exporting
1734 functions returning pointers to structures is not.
1737 *) Add support for overriding the generation of SSL/TLS session IDs.
1738 These callbacks can be registered either in an SSL_CTX or per SSL.
1739 The purpose of this is to allow applications to control, if they wish,
1740 the arbitrary values chosen for use as session IDs, particularly as it
1741 can be useful for session caching in multiple-server environments. A
1742 command-line switch for testing this (and any client code that wishes
1743 to use such a feature) has been added to "s_server".
1744 [Geoff Thorpe, Lutz Jaenicke]
1746 *) Modify mkdef.pl to recognise and parse preprocessor conditionals
1747 of the form '#if defined(...) || defined(...) || ...' and
1748 '#if !defined(...) && !defined(...) && ...'. This also avoids
1749 the growing number of special cases it was previously handling.
1752 *) Make all configuration macros available for application by making
1753 sure they are available in opensslconf.h, by giving them names starting
1754 with "OPENSSL_" to avoid conflicts with other packages and by making
1755 sure e_os2.h will cover all platform-specific cases together with
1757 Additionally, it is now possible to define configuration/platform-
1758 specific names (called "system identities"). In the C code, these
1759 are prefixed with "OPENSSL_SYSNAME_". e_os2.h will create another
1760 macro with the name beginning with "OPENSSL_SYS_", which is determined
1761 from "OPENSSL_SYSNAME_*" or compiler-specific macros depending on
1765 *) New option -set_serial to 'req' and 'x509' this allows the serial
1766 number to use to be specified on the command line. Previously self
1767 signed certificates were hard coded with serial number 0 and the
1768 CA options of 'x509' had to use a serial number in a file which was
1772 *) New options to 'ca' utility to support V2 CRL entry extensions.
1773 Currently CRL reason, invalidity date and hold instruction are
1774 supported. Add new CRL extensions to V3 code and some new objects.
1777 *) New function EVP_CIPHER_CTX_set_padding() this is used to
1778 disable standard block padding (aka PKCS#5 padding) in the EVP
1779 API, which was previously mandatory. This means that the data is
1780 not padded in any way and so the total length much be a multiple
1781 of the block size, otherwise an error occurs.
1784 *) Initial (incomplete) OCSP SSL support.
1787 *) New function OCSP_parse_url(). This splits up a URL into its host,
1788 port and path components: primarily to parse OCSP URLs. New -url
1789 option to ocsp utility.
1792 *) New nonce behavior. The return value of OCSP_check_nonce() now
1793 reflects the various checks performed. Applications can decide
1794 whether to tolerate certain situations such as an absent nonce
1795 in a response when one was present in a request: the ocsp application
1796 just prints out a warning. New function OCSP_add1_basic_nonce()
1797 this is to allow responders to include a nonce in a response even if
1798 the request is nonce-less.
1801 *) Disable stdin buffering in load_cert (apps/apps.c) so that no certs are
1802 skipped when using openssl x509 multiple times on a single input file,
1803 e.g. "(openssl x509 -out cert1; openssl x509 -out cert2) <certs".
1806 *) Make ASN1_UTCTIME_set_string() and ASN1_GENERALIZEDTIME_set_string()
1807 set string type: to handle setting ASN1_TIME structures. Fix ca
1808 utility to correctly initialize revocation date of CRLs.
1811 *) New option SSL_OP_CIPHER_SERVER_PREFERENCE allows the server to override
1812 the clients preferred ciphersuites and rather use its own preferences.
1813 Should help to work around M$ SGC (Server Gated Cryptography) bug in
1814 Internet Explorer by ensuring unchanged hash method during stepup.
1815 (Also replaces the broken/deactivated SSL_OP_NON_EXPORT_FIRST option.)
1818 *) Make mkdef.pl recognise all DECLARE_ASN1 macros, change rijndael
1819 to aes and add a new 'exist' option to print out symbols that don't
1823 *) Additional options to ocsp utility to allow flags to be set and
1824 additional certificates supplied.
1827 *) Add the option -VAfile to 'openssl ocsp', so the user can give the
1828 OCSP client a number of certificate to only verify the response
1832 *) Update Rijndael code to version 3.0 and change EVP AES ciphers to
1833 handle the new API. Currently only ECB, CBC modes supported. Add new
1836 Add TLS AES ciphersuites as described in RFC3268, "Advanced
1837 Encryption Standard (AES) Ciphersuites for Transport Layer
1838 Security (TLS)". (In beta versions of OpenSSL 0.9.7, these were
1839 not enabled by default and were not part of the "ALL" ciphersuite
1840 alias because they were not yet official; they could be
1841 explicitly requested by specifying the "AESdraft" ciphersuite
1842 group alias. In the final release of OpenSSL 0.9.7, the group
1843 alias is called "AES" and is part of "ALL".)
1844 [Ben Laurie, Steve Henson, Bodo Moeller]
1846 *) New function OCSP_copy_nonce() to copy nonce value (if present) from
1847 request to response.
1850 *) Functions for OCSP responders. OCSP_request_onereq_count(),
1851 OCSP_request_onereq_get0(), OCSP_onereq_get0_id() and OCSP_id_get0_info()
1852 extract information from a certificate request. OCSP_response_create()
1853 creates a response and optionally adds a basic response structure.
1854 OCSP_basic_add1_status() adds a complete single response to a basic
1855 response and returns the OCSP_SINGLERESP structure just added (to allow
1856 extensions to be included for example). OCSP_basic_add1_cert() adds a
1857 certificate to a basic response and OCSP_basic_sign() signs a basic
1858 response with various flags. New helper functions ASN1_TIME_check()
1859 (checks validity of ASN1_TIME structure) and ASN1_TIME_to_generalizedtime()
1860 (converts ASN1_TIME to GeneralizedTime).
1863 *) Various new functions. EVP_Digest() combines EVP_Digest{Init,Update,Final}()
1864 in a single operation. X509_get0_pubkey_bitstr() extracts the public_key
1865 structure from a certificate. X509_pubkey_digest() digests the public_key
1866 contents: this is used in various key identifiers.
1869 *) Make sk_sort() tolerate a NULL argument.
1870 [Steve Henson reported by Massimiliano Pala <madwolf@comune.modena.it>]
1872 *) New OCSP verify flag OCSP_TRUSTOTHER. When set the "other" certificates
1873 passed by the function are trusted implicitly. If any of them signed the
1874 response then it is assumed to be valid and is not verified.
1877 *) In PKCS7_set_type() initialise content_type in PKCS7_ENC_CONTENT
1878 to data. This was previously part of the PKCS7 ASN1 code. This
1879 was causing problems with OpenSSL created PKCS#12 and PKCS#7 structures.
1880 [Steve Henson, reported by Kenneth R. Robinette
1881 <support@securenetterm.com>]
1883 *) Add CRYPTO_push_info() and CRYPTO_pop_info() calls to new ASN1
1884 routines: without these tracing memory leaks is very painful.
1885 Fix leaks in PKCS12 and PKCS7 routines.
1888 *) Make X509_time_adj() cope with the new behaviour of ASN1_TIME_new().
1889 Previously it initialised the 'type' argument to V_ASN1_UTCTIME which
1890 effectively meant GeneralizedTime would never be used. Now it
1891 is initialised to -1 but X509_time_adj() now has to check the value
1892 and use ASN1_TIME_set() if the value is not V_ASN1_UTCTIME or
1893 V_ASN1_GENERALIZEDTIME, without this it always uses GeneralizedTime.
1894 [Steve Henson, reported by Kenneth R. Robinette
1895 <support@securenetterm.com>]
1897 *) Fixes to BN_to_ASN1_INTEGER when bn is zero. This would previously
1898 result in a zero length in the ASN1_INTEGER structure which was
1899 not consistent with the structure when d2i_ASN1_INTEGER() was used
1900 and would cause ASN1_INTEGER_cmp() to fail. Enhance s2i_ASN1_INTEGER()
1901 to cope with hex and negative integers. Fix bug in i2a_ASN1_INTEGER()
1902 where it did not print out a minus for negative ASN1_INTEGER.
1905 *) Add summary printout to ocsp utility. The various functions which
1906 convert status values to strings have been renamed to:
1907 OCSP_response_status_str(), OCSP_cert_status_str() and
1908 OCSP_crl_reason_str() and are no longer static. New options
1909 to verify nonce values and to disable verification. OCSP response
1910 printout format cleaned up.
1913 *) Add additional OCSP certificate checks. These are those specified
1914 in RFC2560. This consists of two separate checks: the CA of the
1915 certificate being checked must either be the OCSP signer certificate
1916 or the issuer of the OCSP signer certificate. In the latter case the
1917 OCSP signer certificate must contain the OCSP signing extended key
1918 usage. This check is performed by attempting to match the OCSP
1919 signer or the OCSP signer CA to the issuerNameHash and issuerKeyHash
1920 in the OCSP_CERTID structures of the response.
1923 *) Initial OCSP certificate verification added to OCSP_basic_verify()
1924 and related routines. This uses the standard OpenSSL certificate
1925 verify routines to perform initial checks (just CA validity) and
1926 to obtain the certificate chain. Then additional checks will be
1927 performed on the chain. Currently the root CA is checked to see
1928 if it is explicitly trusted for OCSP signing. This is used to set
1929 a root CA as a global signing root: that is any certificate that
1930 chains to that CA is an acceptable OCSP signing certificate.
1933 *) New '-extfile ...' option to 'openssl ca' for reading X.509v3
1934 extensions from a separate configuration file.
1935 As when reading extensions from the main configuration file,
1936 the '-extensions ...' option may be used for specifying the
1938 [Massimiliano Pala <madwolf@comune.modena.it>]
1940 *) New OCSP utility. Allows OCSP requests to be generated or
1941 read. The request can be sent to a responder and the output
1942 parsed, outputed or printed in text form. Not complete yet:
1943 still needs to check the OCSP response validity.
1946 *) New subcommands for 'openssl ca':
1947 'openssl ca -status <serial>' prints the status of the cert with
1948 the given serial number (according to the index file).
1949 'openssl ca -updatedb' updates the expiry status of certificates
1951 [Massimiliano Pala <madwolf@comune.modena.it>]
1953 *) New '-newreq-nodes' command option to CA.pl. This is like
1954 '-newreq', but calls 'openssl req' with the '-nodes' option
1955 so that the resulting key is not encrypted.
1956 [Damien Miller <djm@mindrot.org>]
1958 *) New configuration for the GNU Hurd.
1959 [Jonathan Bartlett <johnnyb@wolfram.com> via Richard Levitte]
1961 *) Initial code to implement OCSP basic response verify. This
1962 is currently incomplete. Currently just finds the signer's
1963 certificate and verifies the signature on the response.
1966 *) New SSLeay_version code SSLEAY_DIR to determine the compiled-in
1967 value of OPENSSLDIR. This is available via the new '-d' option
1968 to 'openssl version', and is also included in 'openssl version -a'.
1971 *) Allowing defining memory allocation callbacks that will be given
1972 file name and line number information in additional arguments
1973 (a const char* and an int). The basic functionality remains, as
1974 well as the original possibility to just replace malloc(),
1975 realloc() and free() by functions that do not know about these
1976 additional arguments. To register and find out the current
1977 settings for extended allocation functions, the following
1978 functions are provided:
1980 CRYPTO_set_mem_ex_functions
1981 CRYPTO_set_locked_mem_ex_functions
1982 CRYPTO_get_mem_ex_functions
1983 CRYPTO_get_locked_mem_ex_functions
1985 These work the same way as CRYPTO_set_mem_functions and friends.
1986 CRYPTO_get_[locked_]mem_functions now writes 0 where such an
1987 extended allocation function is enabled.
1988 Similarly, CRYPTO_get_[locked_]mem_ex_functions writes 0 where
1989 a conventional allocation function is enabled.
1990 [Richard Levitte, Bodo Moeller]
1992 *) Finish off removing the remaining LHASH function pointer casts.
1993 There should no longer be any prototype-casting required when using
1994 the LHASH abstraction, and any casts that remain are "bugs". See
1995 the callback types and macros at the head of lhash.h for details
1996 (and "OBJ_cleanup" in crypto/objects/obj_dat.c as an example).
1999 *) Add automatic query of EGD sockets in RAND_poll() for the unix variant.
2000 If /dev/[u]random devices are not available or do not return enough
2001 entropy, EGD style sockets (served by EGD or PRNGD) will automatically
2003 The locations /var/run/egd-pool, /dev/egd-pool, /etc/egd-pool, and
2004 /etc/entropy will be queried once each in this sequence, quering stops
2005 when enough entropy was collected without querying more sockets.
2008 *) Change the Unix RAND_poll() variant to be able to poll several
2009 random devices, as specified by DEVRANDOM, until a sufficient amount
2010 of data has been collected. We spend at most 10 ms on each file
2011 (select timeout) and read in non-blocking mode. DEVRANDOM now
2012 defaults to the list "/dev/urandom", "/dev/random", "/dev/srandom"
2013 (previously it was just the string "/dev/urandom"), so on typical
2014 platforms the 10 ms delay will never occur.
2015 Also separate out the Unix variant to its own file, rand_unix.c.
2016 For VMS, there's a currently-empty rand_vms.c.
2019 *) Move OCSP client related routines to ocsp_cl.c. These
2020 provide utility functions which an application needing
2021 to issue a request to an OCSP responder and analyse the
2022 response will typically need: as opposed to those which an
2023 OCSP responder itself would need which will be added later.
2025 OCSP_request_sign() signs an OCSP request with an API similar
2026 to PKCS7_sign(). OCSP_response_status() returns status of OCSP
2027 response. OCSP_response_get1_basic() extracts basic response
2028 from response. OCSP_resp_find_status(): finds and extracts status
2029 information from an OCSP_CERTID structure (which will be created
2030 when the request structure is built). These are built from lower
2031 level functions which work on OCSP_SINGLERESP structures but
2032 wont normally be used unless the application wishes to examine
2033 extensions in the OCSP response for example.
2035 Replace nonce routines with a pair of functions.
2036 OCSP_request_add1_nonce() adds a nonce value and optionally
2037 generates a random value. OCSP_check_nonce() checks the
2038 validity of the nonce in an OCSP response.
2041 *) Change function OCSP_request_add() to OCSP_request_add0_id().
2042 This doesn't copy the supplied OCSP_CERTID and avoids the
2043 need to free up the newly created id. Change return type
2044 to OCSP_ONEREQ to return the internal OCSP_ONEREQ structure.
2045 This can then be used to add extensions to the request.
2046 Deleted OCSP_request_new(), since most of its functionality
2047 is now in OCSP_REQUEST_new() (and the case insensitive name
2048 clash) apart from the ability to set the request name which
2049 will be added elsewhere.
2052 *) Update OCSP API. Remove obsolete extensions argument from
2053 various functions. Extensions are now handled using the new
2054 OCSP extension code. New simple OCSP HTTP function which
2055 can be used to send requests and parse the response.
2058 *) Fix the PKCS#7 (S/MIME) code to work with new ASN1. Two new
2059 ASN1_ITEM structures help with sign and verify. PKCS7_ATTR_SIGN
2060 uses the special reorder version of SET OF to sort the attributes
2061 and reorder them to match the encoded order. This resolves a long
2062 standing problem: a verify on a PKCS7 structure just after signing
2063 it used to fail because the attribute order did not match the
2064 encoded order. PKCS7_ATTR_VERIFY does not reorder the attributes:
2065 it uses the received order. This is necessary to tolerate some broken
2066 software that does not order SET OF. This is handled by encoding
2067 as a SEQUENCE OF but using implicit tagging (with UNIVERSAL class)
2068 to produce the required SET OF.
2071 *) Have mk1mf.pl generate the macros OPENSSL_BUILD_SHLIBCRYPTO and
2072 OPENSSL_BUILD_SHLIBSSL and use them appropriately in the header
2073 files to get correct declarations of the ASN.1 item variables.
2076 *) Rewrite of PKCS#12 code to use new ASN1 functionality. Replace many
2077 PKCS#12 macros with real functions. Fix two unrelated ASN1 bugs:
2078 asn1_check_tlen() would sometimes attempt to use 'ctx' when it was
2079 NULL and ASN1_TYPE was not dereferenced properly in asn1_ex_c2i().
2080 New ASN1 macro: DECLARE_ASN1_ITEM() which just declares the relevant
2081 ASN1_ITEM and no wrapper functions.
2084 *) New functions or ASN1_item_d2i_fp() and ASN1_item_d2i_bio(). These
2085 replace the old function pointer based I/O routines. Change most of
2086 the *_d2i_bio() and *_d2i_fp() functions to use these.
2089 *) Enhance mkdef.pl to be more accepting about spacing in C preprocessor
2090 lines, recognice more "algorithms" that can be deselected, and make
2091 it complain about algorithm deselection that isn't recognised.
2094 *) New ASN1 functions to handle dup, sign, verify, digest, pack and
2095 unpack operations in terms of ASN1_ITEM. Modify existing wrappers
2096 to use new functions. Add NO_ASN1_OLD which can be set to remove
2097 some old style ASN1 functions: this can be used to determine if old
2098 code will still work when these eventually go away.
2101 *) New extension functions for OCSP structures, these follow the
2102 same conventions as certificates and CRLs.
2105 *) New function X509V3_add1_i2d(). This automatically encodes and
2106 adds an extension. Its behaviour can be customised with various
2107 flags to append, replace or delete. Various wrappers added for
2108 certifcates and CRLs.
2111 *) Fix to avoid calling the underlying ASN1 print routine when
2112 an extension cannot be parsed. Correct a typo in the
2113 OCSP_SERVICELOC extension. Tidy up print OCSP format.
2116 *) Make mkdef.pl parse some of the ASN1 macros and add apropriate
2117 entries for variables.
2120 *) Add functionality to apps/openssl.c for detecting locking
2121 problems: As the program is single-threaded, all we have
2122 to do is register a locking callback using an array for
2123 storing which locks are currently held by the program.
2126 *) Use a lock around the call to CRYPTO_get_ex_new_index() in
2127 SSL_get_ex_data_X509_STORE_idx(), which is used in
2128 ssl_verify_cert_chain() and thus can be called at any time
2129 during TLS/SSL handshakes so that thread-safety is essential.
2130 Unfortunately, the ex_data design is not at all suited
2131 for multi-threaded use, so it probably should be abolished.
2134 *) Added Broadcom "ubsec" ENGINE to OpenSSL.
2135 [Broadcom, tweaked and integrated by Geoff Thorpe]
2137 *) Move common extension printing code to new function
2138 X509V3_print_extensions(). Reorganise OCSP print routines and
2139 implement some needed OCSP ASN1 functions. Add OCSP extensions.
2142 *) New function X509_signature_print() to remove duplication in some
2146 *) Add a special meaning when SET OF and SEQUENCE OF flags are both
2147 set (this was treated exactly the same as SET OF previously). This
2148 is used to reorder the STACK representing the structure to match the
2149 encoding. This will be used to get round a problem where a PKCS7
2150 structure which was signed could not be verified because the STACK
2151 order did not reflect the encoded order.
2154 *) Reimplement the OCSP ASN1 module using the new code.
2157 *) Update the X509V3 code to permit the use of an ASN1_ITEM structure
2158 for its ASN1 operations. The old style function pointers still exist
2159 for now but they will eventually go away.
2162 *) Merge in replacement ASN1 code from the ASN1 branch. This almost
2163 completely replaces the old ASN1 functionality with a table driven
2164 encoder and decoder which interprets an ASN1_ITEM structure describing
2165 the ASN1 module. Compatibility with the existing ASN1 API (i2d,d2i) is
2166 largely maintained. Almost all of the old asn1_mac.h macro based ASN1
2167 has also been converted to the new form.
2170 *) Change BN_mod_exp_recp so that negative moduli are tolerated
2171 (the sign is ignored). Similarly, ignore the sign in BN_MONT_CTX_set
2172 so that BN_mod_exp_mont and BN_mod_exp_mont_word work
2173 for negative moduli.
2176 *) Fix BN_uadd and BN_usub: Always return non-negative results instead
2177 of not touching the result's sign bit.
2180 *) BN_div bugfix: If the result is 0, the sign (res->neg) must not be
2184 *) Changed the LHASH code to use prototypes for callbacks, and created
2185 macros to declare and implement thin (optionally static) functions
2186 that provide type-safety and avoid function pointer casting for the
2187 type-specific callbacks.
2190 *) Added Kerberos Cipher Suites to be used with TLS, as written in
2192 [Veers Staats <staatsvr@asc.hpc.mil>,
2193 Jeffrey Altman <jaltman@columbia.edu>, via Richard Levitte]
2195 *) Reformat the FAQ so the different questions and answers can be divided
2196 in sections depending on the subject.
2199 *) Have the zlib compression code load ZLIB.DLL dynamically under
2203 *) New function BN_mod_sqrt for computing square roots modulo a prime
2204 (using the probabilistic Tonelli-Shanks algorithm unless
2205 p == 3 (mod 4) or p == 5 (mod 8), which are cases that can
2206 be handled deterministically).
2207 [Lenka Fibikova <fibikova@exp-math.uni-essen.de>, Bodo Moeller]
2209 *) Make BN_mod_inverse faster by explicitly handling small quotients
2210 in the Euclid loop. (Speed gain about 20% for small moduli [256 or
2211 512 bits], about 30% for larger ones [1024 or 2048 bits].)
2214 *) New function BN_kronecker.
2217 *) Fix BN_gcd so that it works on negative inputs; the result is
2218 positive unless both parameters are zero.
2219 Previously something reasonably close to an infinite loop was
2220 possible because numbers could be growing instead of shrinking
2221 in the implementation of Euclid's algorithm.
2224 *) Fix BN_is_word() and BN_is_one() macros to take into account the
2225 sign of the number in question.
2227 Fix BN_is_word(a,w) to work correctly for w == 0.
2229 The old BN_is_word(a,w) macro is now called BN_abs_is_word(a,w)
2230 because its test if the absolute value of 'a' equals 'w'.
2231 Note that BN_abs_is_word does *not* handle w == 0 reliably;
2232 it exists mostly for use in the implementations of BN_is_zero(),
2233 BN_is_one(), and BN_is_word().
2236 *) New function BN_swap.
2239 *) Use BN_nnmod instead of BN_mod in crypto/bn/bn_exp.c so that
2240 the exponentiation functions are more likely to produce reasonable
2241 results on negative inputs.
2244 *) Change BN_mod_mul so that the result is always non-negative.
2245 Previously, it could be negative if one of the factors was negative;
2246 I don't think anyone really wanted that behaviour.
2249 *) Move BN_mod_... functions into new file crypto/bn/bn_mod.c
2250 (except for exponentiation, which stays in crypto/bn/bn_exp.c,
2251 and BN_mod_mul_reciprocal, which stays in crypto/bn/bn_recp.c)
2252 and add new functions:
2261 BN_mod_lshift1_quick
2265 These functions always generate non-negative results.
2267 BN_nnmod otherwise is like BN_mod (if BN_mod computes a remainder r
2268 such that |m| < r < 0, BN_nnmod will output rem + |m| instead).
2270 BN_mod_XXX_quick(r, a, [b,] m) generates the same result as
2271 BN_mod_XXX(r, a, [b,] m, ctx), but requires that a [and b]
2272 be reduced modulo m.
2273 [Lenka Fibikova <fibikova@exp-math.uni-essen.de>, Bodo Moeller]
2276 The following entry accidentily appeared in the CHANGES file
2277 distributed with OpenSSL 0.9.7. The modifications described in
2278 it do *not* apply to OpenSSL 0.9.7.
2280 *) Remove a few calls to bn_wexpand() in BN_sqr() (the one in there
2281 was actually never needed) and in BN_mul(). The removal in BN_mul()
2282 required a small change in bn_mul_part_recursive() and the addition
2283 of the functions bn_cmp_part_words(), bn_sub_part_words() and
2284 bn_add_part_words(), which do the same thing as bn_cmp_words(),
2285 bn_sub_words() and bn_add_words() except they take arrays with
2290 *) In 'openssl passwd', verify passwords read from the terminal
2291 unless the '-salt' option is used (which usually means that
2292 verification would just waste user's time since the resulting
2293 hash is going to be compared with some given password hash)
2294 or the new '-noverify' option is used.
2296 This is an incompatible change, but it does not affect
2297 non-interactive use of 'openssl passwd' (passwords on the command
2298 line, '-stdin' option, '-in ...' option) and thus should not
2302 *) Remove all references to RSAref, since there's no more need for it.
2305 *) Make DSO load along a path given through an environment variable
2306 (SHLIB_PATH) with shl_load().
2309 *) Constify the ENGINE code as a result of BIGNUM constification.
2310 Also constify the RSA code and most things related to it. In a
2311 few places, most notable in the depth of the ASN.1 code, ugly
2312 casts back to non-const were required (to be solved at a later
2316 *) Make it so the openssl application has all engines loaded by default.
2319 *) Constify the BIGNUM routines a little more.
2322 *) Add the following functions:
2324 ENGINE_load_cswift()
2326 ENGINE_load_atalla()
2328 ENGINE_load_builtin_engines()
2330 That way, an application can itself choose if external engines that
2331 are built-in in OpenSSL shall ever be used or not. The benefit is
2332 that applications won't have to be linked with libdl or other dso
2333 libraries unless it's really needed.
2335 Changed 'openssl engine' to load all engines on demand.
2336 Changed the engine header files to avoid the duplication of some
2337 declarations (they differed!).
2340 *) 'openssl engine' can now list capabilities.
2343 *) Better error reporting in 'openssl engine'.
2346 *) Never call load_dh_param(NULL) in s_server.
2349 *) Add engine application. It can currently list engines by name and
2350 identity, and test if they are actually available.
2353 *) Improve RPM specification file by forcing symbolic linking and making
2354 sure the installed documentation is also owned by root.root.
2355 [Damien Miller <djm@mindrot.org>]
2357 *) Give the OpenSSL applications more possibilities to make use of
2358 keys (public as well as private) handled by engines.
2361 *) Add OCSP code that comes from CertCo.
2364 *) Add VMS support for the Rijndael code.
2367 *) Added untested support for Nuron crypto accelerator.
2370 *) Add support for external cryptographic devices. This code was
2371 previously distributed separately as the "engine" branch.
2372 [Geoff Thorpe, Richard Levitte]
2374 *) Rework the filename-translation in the DSO code. It is now possible to
2375 have far greater control over how a "name" is turned into a filename
2376 depending on the operating environment and any oddities about the
2377 different shared library filenames on each system.
2380 *) Support threads on FreeBSD-elf in Configure.
2383 *) Fix for SHA1 assembly problem with MASM: it produces
2384 warnings about corrupt line number information when assembling
2385 with debugging information. This is caused by the overlapping
2387 [Bernd Matthes <mainbug@celocom.de>, Steve Henson]
2390 NCONF_get_number() has no error checking at all. As a replacement,
2391 NCONF_get_number_e() is defined (_e for "error checking") and is
2392 promoted strongly. The old NCONF_get_number is kept around for
2393 binary backward compatibility.
2394 Make it possible for methods to load from something other than a BIO,
2395 by providing a function pointer that is given a name instead of a BIO.
2396 For example, this could be used to load configuration data from an
2400 *) Fix for non blocking accept BIOs. Added new I/O special reason
2401 BIO_RR_ACCEPT to cover this case. Previously use of accept BIOs
2402 with non blocking I/O was not possible because no retry code was
2403 implemented. Also added new SSL code SSL_WANT_ACCEPT to cover
2407 *) Added the beginnings of Rijndael support.
2410 *) Fix for bug in DirectoryString mask setting. Add support for
2411 X509_NAME_print_ex() in 'req' and X509_print_ex() function
2412 to allow certificate printing to more controllable, additional
2413 'certopt' option to 'x509' to allow new printing options to be
2417 *) Clean old EAY MD5 hack from e_os.h.
2420 Changes between 0.9.6h and 0.9.6i [19 Feb 2003]
2422 *) In ssl3_get_record (ssl/s3_pkt.c), minimize information leaked
2423 via timing by performing a MAC computation even if incorrrect
2424 block cipher padding has been found. This is a countermeasure
2425 against active attacks where the attacker has to distinguish
2426 between bad padding and a MAC verification error. (CAN-2003-0078)
2428 [Bodo Moeller; problem pointed out by Brice Canvel (EPFL),
2429 Alain Hiltgen (UBS), Serge Vaudenay (EPFL), and
2430 Martin Vuagnoux (EPFL, Ilion)]
2432 Changes between 0.9.6g and 0.9.6h [5 Dec 2002]
2434 *) New function OPENSSL_cleanse(), which is used to cleanse a section of
2435 memory from it's contents. This is done with a counter that will
2436 place alternating values in each byte. This can be used to solve
2437 two issues: 1) the removal of calls to memset() by highly optimizing
2438 compilers, and 2) cleansing with other values than 0, since those can
2439 be read through on certain media, for example a swap space on disk.
2442 *) Bugfix: client side session caching did not work with external caching,
2443 because the session->cipher setting was not restored when reloading
2444 from the external cache. This problem was masked, when
2445 SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG (part of SSL_OP_ALL) was set.
2446 (Found by Steve Haslam <steve@araqnid.ddts.net>.)
2449 *) Fix client_certificate (ssl/s2_clnt.c): The permissible total
2450 length of the REQUEST-CERTIFICATE message is 18 .. 34, not 17 .. 33.
2451 [Zeev Lieber <zeev-l@yahoo.com>]
2453 *) Undo an undocumented change introduced in 0.9.6e which caused
2454 repeated calls to OpenSSL_add_all_ciphers() and
2455 OpenSSL_add_all_digests() to be ignored, even after calling
2459 *) Change the default configuration reader to deal with last line not
2460 being properly terminated.
2463 *) Change X509_NAME_cmp() so it applies the special rules on handling
2464 DN values that are of type PrintableString, as well as RDNs of type
2465 emailAddress where the value has the type ia5String.
2466 [stefank@valicert.com via Richard Levitte]
2468 *) Add a SSL_SESS_CACHE_NO_INTERNAL_STORE flag to take over half
2469 the job SSL_SESS_CACHE_NO_INTERNAL_LOOKUP was inconsistently
2470 doing, define a new flag (SSL_SESS_CACHE_NO_INTERNAL) to be
2471 the bitwise-OR of the two for use by the majority of applications
2472 wanting this behaviour, and update the docs. The documented
2473 behaviour and actual behaviour were inconsistent and had been
2474 changing anyway, so this is more a bug-fix than a behavioural
2476 [Geoff Thorpe, diagnosed by Nadav Har'El]
2478 *) Don't impose a 16-byte length minimum on session IDs in ssl/s3_clnt.c
2479 (the SSL 3.0 and TLS 1.0 specifications allow any length up to 32 bytes).
2482 *) Fix initialization code race conditions in
2483 SSLv23_method(), SSLv23_client_method(), SSLv23_server_method(),
2484 SSLv2_method(), SSLv2_client_method(), SSLv2_server_method(),
2485 SSLv3_method(), SSLv3_client_method(), SSLv3_server_method(),
2486 TLSv1_method(), TLSv1_client_method(), TLSv1_server_method(),
2487 ssl2_get_cipher_by_char(),
2488 ssl3_get_cipher_by_char().
2489 [Patrick McCormick <patrick@tellme.com>, Bodo Moeller]
2491 *) Reorder cleanup sequence in SSL_CTX_free(): only remove the ex_data after
2492 the cached sessions are flushed, as the remove_cb() might use ex_data
2493 contents. Bug found by Sam Varshavchik <mrsam@courier-mta.com>
2494 (see [openssl.org #212]).
2495 [Geoff Thorpe, Lutz Jaenicke]
2497 *) Fix typo in OBJ_txt2obj which incorrectly passed the content
2498 length, instead of the encoding length to d2i_ASN1_OBJECT.
2501 Changes between 0.9.6f and 0.9.6g [9 Aug 2002]
2503 *) [In 0.9.6g-engine release:]
2504 Fix crypto/engine/vendor_defns/cswift.h for WIN32 (use '_stdcall').
2505 [Lynn Gazis <lgazis@rainbow.com>]
2507 Changes between 0.9.6e and 0.9.6f [8 Aug 2002]
2509 *) Fix ASN1 checks. Check for overflow by comparing with LONG_MAX
2510 and get fix the header length calculation.
2511 [Florian Weimer <Weimer@CERT.Uni-Stuttgart.DE>,
2512 Alon Kantor <alonk@checkpoint.com> (and others),
2515 *) Use proper error handling instead of 'assertions' in buffer
2516 overflow checks added in 0.9.6e. This prevents DoS (the
2517 assertions could call abort()).
2518 [Arne Ansper <arne@ats.cyber.ee>, Bodo Moeller]
2520 Changes between 0.9.6d and 0.9.6e [30 Jul 2002]
2522 *) Add various sanity checks to asn1_get_length() to reject
2523 the ASN1 length bytes if they exceed sizeof(long), will appear
2524 negative or the content length exceeds the length of the
2526 [Steve Henson, Adi Stav <stav@mercury.co.il>, James Yonan <jim@ntlp.com>]
2528 *) Fix cipher selection routines: ciphers without encryption had no flags
2529 for the cipher strength set and where therefore not handled correctly
2530 by the selection routines (PR #130).
2533 *) Fix EVP_dsa_sha macro.
2537 SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
2538 for disabling the SSL 3.0/TLS 1.0 CBC vulnerability countermeasure
2539 that was added in OpenSSL 0.9.6d.
2541 As the countermeasure turned out to be incompatible with some
2542 broken SSL implementations, the new option is part of SSL_OP_ALL.
2543 SSL_OP_ALL is usually employed when compatibility with weird SSL
2544 implementations is desired (e.g. '-bugs' option to 's_client' and
2545 's_server'), so the new option is automatically set in many
2549 *) Changes in security patch:
2551 Changes marked "(CHATS)" were sponsored by the Defense Advanced
2552 Research Projects Agency (DARPA) and Air Force Research Laboratory,
2553 Air Force Materiel Command, USAF, under agreement number
2556 *) Add various sanity checks to asn1_get_length() to reject
2557 the ASN1 length bytes if they exceed sizeof(long), will appear
2558 negative or the content length exceeds the length of the
2559 supplied buffer. (CAN-2002-0659)
2560 [Steve Henson, Adi Stav <stav@mercury.co.il>, James Yonan <jim@ntlp.com>]
2562 *) Assertions for various potential buffer overflows, not known to
2564 [Ben Laurie (CHATS)]
2566 *) Various temporary buffers to hold ASCII versions of integers were
2567 too small for 64 bit platforms. (CAN-2002-0655)
2568 [Matthew Byng-Maddick <mbm@aldigital.co.uk> and Ben Laurie (CHATS)>
2570 *) Remote buffer overflow in SSL3 protocol - an attacker could
2571 supply an oversized session ID to a client. (CAN-2002-0656)
2572 [Ben Laurie (CHATS)]
2574 *) Remote buffer overflow in SSL2 protocol - an attacker could
2575 supply an oversized client master key. (CAN-2002-0656)
2576 [Ben Laurie (CHATS)]
2578 Changes between 0.9.6c and 0.9.6d [9 May 2002]
2580 *) Fix crypto/asn1/a_sign.c so that 'parameters' is omitted (not
2581 encoded as NULL) with id-dsa-with-sha1.
2582 [Nils Larsch <nla@trustcenter.de>; problem pointed out by Bodo Moeller]
2584 *) Check various X509_...() return values in apps/req.c.
2585 [Nils Larsch <nla@trustcenter.de>]
2587 *) Fix BASE64 decode (EVP_DecodeUpdate) for data with CR/LF ended lines:
2588 an end-of-file condition would erronously be flagged, when the CRLF
2589 was just at the end of a processed block. The bug was discovered when
2590 processing data through a buffering memory BIO handing the data to a
2591 BASE64-decoding BIO. Bug fund and patch submitted by Pavel Tsekov
2592 <ptsekov@syntrex.com> and Nedelcho Stanev.
2595 *) Implement a countermeasure against a vulnerability recently found
2596 in CBC ciphersuites in SSL 3.0/TLS 1.0: Send an empty fragment
2597 before application data chunks to avoid the use of known IVs
2598 with data potentially chosen by the attacker.
2601 *) Fix length checks in ssl3_get_client_hello().
2604 *) TLS/SSL library bugfix: use s->s3->in_read_app_data differently
2605 to prevent ssl3_read_internal() from incorrectly assuming that
2606 ssl3_read_bytes() found application data while handshake
2607 processing was enabled when in fact s->s3->in_read_app_data was
2608 merely automatically cleared during the initial handshake.
2609 [Bodo Moeller; problem pointed out by Arne Ansper <arne@ats.cyber.ee>]
2611 *) Fix object definitions for Private and Enterprise: they were not
2612 recognized in their shortname (=lowercase) representation. Extend
2613 obj_dat.pl to issue an error when using undefined keywords instead
2614 of silently ignoring the problem (Svenning Sorensen
2615 <sss@sss.dnsalias.net>).
2618 *) Fix DH_generate_parameters() so that it works for 'non-standard'
2619 generators, i.e. generators other than 2 and 5. (Previously, the
2620 code did not properly initialise the 'add' and 'rem' values to
2621 BN_generate_prime().)
2623 In the new general case, we do not insist that 'generator' is
2624 actually a primitive root: This requirement is rather pointless;
2625 a generator of the order-q subgroup is just as good, if not
2629 *) Map new X509 verification errors to alerts. Discovered and submitted by
2630 Tom Wu <tom@arcot.com>.
2633 *) Fix ssl3_pending() (ssl/s3_lib.c) to prevent SSL_pending() from
2634 returning non-zero before the data has been completely received
2635 when using non-blocking I/O.
2636 [Bodo Moeller; problem pointed out by John Hughes]
2638 *) Some of the ciphers missed the strength entry (SSL_LOW etc).
2639 [Ben Laurie, Lutz Jaenicke]
2641 *) Fix bug in SSL_clear(): bad sessions were not removed (found by
2642 Yoram Zahavi <YoramZ@gilian.com>).
2645 *) Add information about CygWin 1.3 and on, and preserve proper
2646 configuration for the versions before that.
2647 [Corinna Vinschen <vinschen@redhat.com> and Richard Levitte]
2649 *) Make removal from session cache (SSL_CTX_remove_session()) more robust:
2650 check whether we deal with a copy of a session and do not delete from
2651 the cache in this case. Problem reported by "Izhar Shoshani Levi"
2652 <izhar@checkpoint.com>.
2655 *) Do not store session data into the internal session cache, if it
2656 is never intended to be looked up (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP
2657 flag is set). Proposed by Aslam <aslam@funk.com>.
2660 *) Have ASN1_BIT_STRING_set_bit() really clear a bit when the requested
2664 *) [In 0.9.6d-engine release:]
2665 Fix a crashbug and a logic bug in hwcrhk_load_pubkey().
2666 [Toomas Kiisk <vix@cyber.ee> via Richard Levitte]
2668 *) Add the configuration target linux-s390x.
2669 [Neale Ferguson <Neale.Ferguson@SoftwareAG-USA.com> via Richard Levitte]
2671 *) The earlier bugfix for the SSL3_ST_SW_HELLO_REQ_C case of
2672 ssl3_accept (ssl/s3_srvr.c) incorrectly used a local flag
2673 variable as an indication that a ClientHello message has been
2674 received. As the flag value will be lost between multiple
2675 invocations of ssl3_accept when using non-blocking I/O, the
2676 function may not be aware that a handshake has actually taken
2677 place, thus preventing a new session from being added to the
2680 To avoid this problem, we now set s->new_session to 2 instead of
2681 using a local variable.
2682 [Lutz Jaenicke, Bodo Moeller]
2684 *) Bugfix: Return -1 from ssl3_get_server_done (ssl3/s3_clnt.c)
2685 if the SSL_R_LENGTH_MISMATCH error is detected.
2686 [Geoff Thorpe, Bodo Moeller]
2688 *) New 'shared_ldflag' column in Configure platform table.
2691 *) Fix EVP_CIPHER_mode macro.
2692 ["Dan S. Camper" <dan@bti.net>]
2694 *) Fix ssl3_read_bytes (ssl/s3_pkt.c): To ignore messages of unknown
2695 type, we must throw them away by setting rr->length to 0.
2696 [D P Chang <dpc@qualys.com>]
2698 Changes between 0.9.6b and 0.9.6c [21 dec 2001]
2700 *) Fix BN_rand_range bug pointed out by Dominikus Scherkl
2701 <Dominikus.Scherkl@biodata.com>. (The previous implementation
2702 worked incorrectly for those cases where range = 10..._2 and
2703 3*range is two bits longer than range.)
2706 *) Only add signing time to PKCS7 structures if it is not already
2710 *) Fix crypto/objects/objects.h: "ld-ce" should be "id-ce",
2711 OBJ_ld_ce should be OBJ_id_ce.
2712 Also some ip-pda OIDs in crypto/objects/objects.txt were
2713 incorrect (cf. RFC 3039).
2714 [Matt Cooper, Frederic Giudicelli, Bodo Moeller]
2716 *) Release CRYPTO_LOCK_DYNLOCK when CRYPTO_destroy_dynlockid()
2717 returns early because it has nothing to do.
2718 [Andy Schneider <andy.schneider@bjss.co.uk>]
2720 *) [In 0.9.6c-engine release:]
2721 Fix mutex callback return values in crypto/engine/hw_ncipher.c.
2722 [Andy Schneider <andy.schneider@bjss.co.uk>]
2724 *) [In 0.9.6c-engine release:]
2725 Add support for Cryptographic Appliance's keyserver technology.
2726 (Use engine 'keyclient')
2727 [Cryptographic Appliances and Geoff Thorpe]
2729 *) Add a configuration entry for OS/390 Unix. The C compiler 'c89'
2730 is called via tools/c89.sh because arguments have to be
2731 rearranged (all '-L' options must appear before the first object
2733 [Richard Shapiro <rshapiro@abinitio.com>]
2735 *) [In 0.9.6c-engine release:]
2736 Add support for Broadcom crypto accelerator cards, backported
2738 [Broadcom, Nalin Dahyabhai <nalin@redhat.com>, Mark Cox]
2740 *) [In 0.9.6c-engine release:]
2741 Add support for SureWare crypto accelerator cards from
2742 Baltimore Technologies. (Use engine 'sureware')
2743 [Baltimore Technologies and Mark Cox]
2745 *) [In 0.9.6c-engine release:]
2746 Add support for crypto accelerator cards from Accelerated
2747 Encryption Processing, www.aep.ie. (Use engine 'aep')
2748 [AEP Inc. and Mark Cox]
2750 *) Add a configuration entry for gcc on UnixWare.
2751 [Gary Benson <gbenson@redhat.com>]
2753 *) Change ssl/s2_clnt.c and ssl/s2_srvr.c so that received handshake
2754 messages are stored in a single piece (fixed-length part and
2755 variable-length part combined) and fix various bugs found on the way.
2758 *) Disable caching in BIO_gethostbyname(), directly use gethostbyname()
2759 instead. BIO_gethostbyname() does not know what timeouts are
2760 appropriate, so entries would stay in cache even when they have
2762 [Bodo Moeller; problem pointed out by Rich Salz <rsalz@zolera.com>
2764 *) Change ssl23_get_client_hello (ssl/s23_srvr.c) behaviour when
2765 faced with a pathologically small ClientHello fragment that does
2766 not contain client_version: Instead of aborting with an error,
2767 simply choose the highest available protocol version (i.e.,
2768 TLS 1.0 unless it is disabled). In practice, ClientHello
2769 messages are never sent like this, but this change gives us
2770 strictly correct behaviour at least for TLS.
2773 *) Fix SSL handshake functions and SSL_clear() such that SSL_clear()
2774 never resets s->method to s->ctx->method when called from within
2775 one of the SSL handshake functions.
2776 [Bodo Moeller; problem pointed out by Niko Baric]
2778 *) In ssl3_get_client_hello (ssl/s3_srvr.c), generate a fatal alert
2779 (sent using the client's version number) if client_version is
2780 smaller than the protocol version in use. Also change
2781 ssl23_get_client_hello (ssl/s23_srvr.c) to select TLS 1.0 if
2782 the client demanded SSL 3.0 but only TLS 1.0 is enabled; then
2783 the client will at least see that alert.
2786 *) Fix ssl3_get_message (ssl/s3_both.c) to handle message fragmentation
2790 *) Avoid infinite loop in ssl3_get_message (ssl/s3_both.c) if a
2791 client receives HelloRequest while in a handshake.
2792 [Bodo Moeller; bug noticed by Andy Schneider <andy.schneider@bjss.co.uk>]
2794 *) Bugfix in ssl3_accept (ssl/s3_srvr.c): Case SSL3_ST_SW_HELLO_REQ_C
2795 should end in 'break', not 'goto end' which circuments various
2796 cleanups done in state SSL_ST_OK. But session related stuff
2797 must be disabled for SSL_ST_OK in the case that we just sent a
2800 Also avoid some overhead by not calling ssl_init_wbio_buffer()
2801 before just sending a HelloRequest.
2802 [Bodo Moeller, Eric Rescorla <ekr@rtfm.com>]
2804 *) Fix ssl/s3_enc.c, ssl/t1_enc.c and ssl/s3_pkt.c so that we don't
2805 reveal whether illegal block cipher padding was found or a MAC
2806 verification error occured. (Neither SSLerr() codes nor alerts
2807 are directly visible to potential attackers, but the information
2808 may leak via logfiles.)
2810 Similar changes are not required for the SSL 2.0 implementation
2811 because the number of padding bytes is sent in clear for SSL 2.0,
2812 and the extra bytes are just ignored. However ssl/s2_pkt.c
2813 failed to verify that the purported number of padding bytes is in
2817 *) Add OpenUNIX-8 support including shared libraries
2818 (Boyd Lynn Gerber <gerberb@zenez.com>).
2821 *) Improve RSA_padding_check_PKCS1_OAEP() check again to avoid
2822 'wristwatch attack' using huge encoding parameters (cf.
2823 James H. Manger's CRYPTO 2001 paper). Note that the
2824 RSA_PKCS1_OAEP_PADDING case of RSA_private_decrypt() does not use
2825 encoding parameters and hence was not vulnerable.
2828 *) BN_sqr() bug fix.
2829 [Ulf Möller, reported by Jim Ellis <jim.ellis@cavium.com>]
2831 *) Rabin-Miller test analyses assume uniformly distributed witnesses,
2832 so use BN_pseudo_rand_range() instead of using BN_pseudo_rand()
2833 followed by modular reduction.
2834 [Bodo Moeller; pointed out by Adam Young <AYoung1@NCSUS.JNJ.COM>]
2836 *) Add BN_pseudo_rand_range() with obvious functionality: BN_rand_range()
2837 equivalent based on BN_pseudo_rand() instead of BN_rand().
2840 *) s3_srvr.c: allow sending of large client certificate lists (> 16 kB).
2841 This function was broken, as the check for a new client hello message
2842 to handle SGC did not allow these large messages.
2843 (Tracked down by "Douglas E. Engert" <deengert@anl.gov>.)
2846 *) Add alert descriptions for TLSv1 to SSL_alert_desc_string[_long]().
2849 *) Fix buggy behaviour of BIO_get_num_renegotiates() and BIO_ctrl()
2850 for BIO_C_GET_WRITE_BUF_SIZE ("Stephen Hinton" <shinton@netopia.com>).
2853 *) Rework the configuration and shared library support for Tru64 Unix.
2854 The configuration part makes use of modern compiler features and
2855 still retains old compiler behavior for those that run older versions
2856 of the OS. The shared library support part includes a variant that
2857 uses the RPATH feature, and is available through the special
2858 configuration target "alpha-cc-rpath", which will never be selected
2860 [Tim Mooney <mooney@dogbert.cc.ndsu.NoDak.edu> via Richard Levitte]
2862 *) In ssl3_get_key_exchange (ssl/s3_clnt.c), call ssl3_get_message()
2863 with the same message size as in ssl3_get_certificate_request().
2864 Otherwise, if no ServerKeyExchange message occurs, CertificateRequest
2865 messages might inadvertently be reject as too long.
2866 [Petr Lampa <lampa@fee.vutbr.cz>]
2868 *) Enhanced support for IA-64 Unix platforms (well, Linux and HP-UX).
2871 *) Modified SSL library such that the verify_callback that has been set
2872 specificly for an SSL object with SSL_set_verify() is actually being
2873 used. Before the change, a verify_callback set with this function was
2874 ignored and the verify_callback() set in the SSL_CTX at the time of
2875 the call was used. New function X509_STORE_CTX_set_verify_cb() introduced
2876 to allow the necessary settings.
2879 *) Initialize static variable in crypto/dsa/dsa_lib.c and crypto/dh/dh_lib.c
2880 explicitly to NULL, as at least on Solaris 8 this seems not always to be
2881 done automatically (in contradiction to the requirements of the C
2882 standard). This made problems when used from OpenSSH.
2885 *) In OpenSSL 0.9.6a and 0.9.6b, crypto/dh/dh_key.c ignored
2886 dh->length and always used
2888 BN_rand_range(priv_key, dh->p).
2890 BN_rand_range() is not necessary for Diffie-Hellman, and this
2891 specific range makes Diffie-Hellman unnecessarily inefficient if
2892 dh->length (recommended exponent length) is much smaller than the
2893 length of dh->p. We could use BN_rand_range() if the order of
2894 the subgroup was stored in the DH structure, but we only have
2899 BN_rand(priv_key, l, ...)
2901 where 'l' is dh->length if this is defined, or BN_num_bits(dh->p)-1
2907 RSA_eay_public_encrypt
2908 RSA_eay_private_decrypt
2909 RSA_eay_private_encrypt (signing)
2910 RSA_eay_public_decrypt (signature verification)
2912 (default implementations for RSA_public_encrypt,
2913 RSA_private_decrypt, RSA_private_encrypt, RSA_public_decrypt),
2914 always reject numbers >= n.
2917 *) In crypto/rand/md_rand.c, use a new short-time lock CRYPTO_LOCK_RAND2
2918 to synchronize access to 'locking_thread'. This is necessary on
2919 systems where access to 'locking_thread' (an 'unsigned long'
2920 variable) is not atomic.
2923 *) In crypto/rand/md_rand.c, set 'locking_thread' to current thread's ID
2924 *before* setting the 'crypto_lock_rand' flag. The previous code had
2925 a race condition if 0 is a valid thread ID.
2926 [Travis Vitek <vitek@roguewave.com>]
2928 *) Add support for shared libraries under Irix.
2929 [Albert Chin-A-Young <china@thewrittenword.com>]
2931 *) Add configuration option to build on Linux on both big-endian and
2933 [Ralf Baechle <ralf@uni-koblenz.de>]
2935 *) Add the possibility to create shared libraries on HP-UX.
2938 Changes between 0.9.6a and 0.9.6b [9 Jul 2001]
2940 *) Change ssleay_rand_bytes (crypto/rand/md_rand.c)
2941 to avoid a SSLeay/OpenSSL PRNG weakness pointed out by
2942 Markku-Juhani O. Saarinen <markku-juhani.saarinen@nokia.com>:
2943 PRNG state recovery was possible based on the output of
2944 one PRNG request appropriately sized to gain knowledge on
2945 'md' followed by enough consecutive 1-byte PRNG requests
2946 to traverse all of 'state'.
2948 1. When updating 'md_local' (the current thread's copy of 'md')
2949 during PRNG output generation, hash all of the previous
2950 'md_local' value, not just the half used for PRNG output.
2952 2. Make the number of bytes from 'state' included into the hash
2953 independent from the number of PRNG bytes requested.
2955 The first measure alone would be sufficient to avoid
2956 Markku-Juhani's attack. (Actually it had never occurred
2957 to me that the half of 'md_local' used for chaining was the
2958 half from which PRNG output bytes were taken -- I had always
2959 assumed that the secret half would be used.) The second
2960 measure makes sure that additional data from 'state' is never
2961 mixed into 'md_local' in small portions; this heuristically
2962 further strengthens the PRNG.
2965 *) Fix crypto/bn/asm/mips3.s.
2968 *) When only the key is given to "enc", the IV is undefined. Print out
2969 an error message in this case.
2972 *) Handle special case when X509_NAME is empty in X509 printing routines.
2975 *) In dsa_do_verify (crypto/dsa/dsa_ossl.c), verify that r and s are
2976 positive and less than q.
2979 *) Don't change *pointer in CRYPTO_add_lock() is add_lock_callback is
2980 used: it isn't thread safe and the add_lock_callback should handle
2982 [Paul Rose <Paul.Rose@bridge.com>]
2984 *) Verify that incoming data obeys the block size in
2985 ssl3_enc (ssl/s3_enc.c) and tls1_enc (ssl/t1_enc.c).
2989 [Ulf Möller, Bodo Möller]
2991 *) The countermeasure against Bleichbacher's attack on PKCS #1 v1.5
2992 RSA encryption was accidentally removed in s3_srvr.c in OpenSSL 0.9.5
2993 when fixing the server behaviour for backwards-compatible 'client
2994 hello' messages. (Note that the attack is impractical against
2995 SSL 3.0 and TLS 1.0 anyway because length and version checking
2996 means that the probability of guessing a valid ciphertext is
2997 around 2^-40; see section 5 in Bleichenbacher's CRYPTO '98
3000 Before 0.9.5, the countermeasure (hide the error by generating a
3001 random 'decryption result') did not work properly because
3002 ERR_clear_error() was missing, meaning that SSL_get_error() would
3003 detect the supposedly ignored error.
3005 Both problems are now fixed.
3008 *) In crypto/bio/bf_buff.c, increase DEFAULT_BUFFER_SIZE to 4096
3009 (previously it was 1024).
3012 *) Fix for compatibility mode trust settings: ignore trust settings
3013 unless some valid trust or reject settings are present.
3016 *) Fix for blowfish EVP: its a variable length cipher.
3019 *) Fix various bugs related to DSA S/MIME verification. Handle missing
3020 parameters in DSA public key structures and return an error in the
3021 DSA routines if parameters are absent.
3024 *) In versions up to 0.9.6, RAND_file_name() resorted to file ".rnd"
3025 in the current directory if neither $RANDFILE nor $HOME was set.
3026 RAND_file_name() in 0.9.6a returned NULL in this case. This has
3027 caused some confusion to Windows users who haven't defined $HOME.
3028 Thus RAND_file_name() is changed again: e_os.h can define a
3029 DEFAULT_HOME, which will be used if $HOME is not set.
3030 For Windows, we use "C:"; on other platforms, we still require
3031 environment variables.
3033 *) Move 'if (!initialized) RAND_poll()' into regions protected by
3034 CRYPTO_LOCK_RAND. This is not strictly necessary, but avoids
3035 having multiple threads call RAND_poll() concurrently.
3038 *) In crypto/rand/md_rand.c, replace 'add_do_not_lock' flag by a
3039 combination of a flag and a thread ID variable.
3040 Otherwise while one thread is in ssleay_rand_bytes (which sets the
3041 flag), *other* threads can enter ssleay_add_bytes without obeying
3042 the CRYPTO_LOCK_RAND lock (and may even illegally release the lock
3043 that they do not hold after the first thread unsets add_do_not_lock).
3046 *) Change bctest again: '-x' expressions are not available in all
3050 Changes between 0.9.6 and 0.9.6a [5 Apr 2001]
3052 *) Fix a couple of memory leaks in PKCS7_dataDecode()
3053 [Steve Henson, reported by Heyun Zheng <hzheng@atdsprint.com>]
3055 *) Change Configure and Makefiles to provide EXE_EXT, which will contain
3056 the default extension for executables, if any. Also, make the perl
3057 scripts that use symlink() to test if it really exists and use "cp"
3058 if it doesn't. All this made OpenSSL compilable and installable in
3062 *) Fix for asn1_GetSequence() for indefinite length constructed data.
3063 If SEQUENCE is length is indefinite just set c->slen to the total
3064 amount of data available.
3065 [Steve Henson, reported by shige@FreeBSD.org]
3066 [This change does not apply to 0.9.7.]
3068 *) Change bctest to avoid here-documents inside command substitution
3069 (workaround for FreeBSD /bin/sh bug).
3070 For compatibility with Ultrix, avoid shell functions (introduced
3071 in the bctest version that searches along $PATH).
3074 *) Rename 'des_encrypt' to 'des_encrypt1'. This avoids the clashes
3075 with des_encrypt() defined on some operating systems, like Solaris
3079 *) Check the result of RSA-CRT (see D. Boneh, R. DeMillo, R. Lipton:
3080 On the Importance of Eliminating Errors in Cryptographic
3081 Computations, J. Cryptology 14 (2001) 2, 101-119,
3082 http://theory.stanford.edu/~dabo/papers/faults.ps.gz).
3085 *) MIPS assembler BIGNUM division bug fix.
3088 *) Disabled incorrect Alpha assembler code.
3091 *) Fix PKCS#7 decode routines so they correctly update the length
3092 after reading an EOC for the EXPLICIT tag.
3094 [This change does not apply to 0.9.7.]
3096 *) Fix bug in PKCS#12 key generation routines. This was triggered
3097 if a 3DES key was generated with a 0 initial byte. Include
3098 PKCS12_BROKEN_KEYGEN compilation option to retain the old
3099 (but broken) behaviour.
3102 *) Enhance bctest to search for a working bc along $PATH and print
3104 [Tim Rice <tim@multitalents.net> via Richard Levitte]
3106 *) Fix memory leaks in err.c: free err_data string if necessary;
3107 don't write to the wrong index in ERR_set_error_data.
3110 *) Implement ssl23_peek (analogous to ssl23_read), which previously
3114 *) Replace rdtsc with _emit statements for VC++ version 5.
3115 [Jeremy Cooper <jeremy@baymoo.org>]
3117 *) Make it possible to reuse SSLv2 sessions.
3120 *) In copy_email() check for >= 0 as a return value for
3121 X509_NAME_get_index_by_NID() since 0 is a valid index.
3122 [Steve Henson reported by Massimiliano Pala <madwolf@opensca.org>]
3124 *) Avoid coredump with unsupported or invalid public keys by checking if
3125 X509_get_pubkey() fails in PKCS7_verify(). Fix memory leak when
3126 PKCS7_verify() fails with non detached data.
3129 *) Don't use getenv in library functions when run as setuid/setgid.
3130 New function OPENSSL_issetugid().
3133 *) Avoid false positives in memory leak detection code (crypto/mem_dbg.c)
3134 due to incorrect handling of multi-threading:
3136 1. Fix timing glitch in the MemCheck_off() portion of CRYPTO_mem_ctrl().
3138 2. Fix logical glitch in is_MemCheck_on() aka CRYPTO_is_mem_check_on().
3140 3. Count how many times MemCheck_off() has been called so that
3141 nested use can be treated correctly. This also avoids
3142 inband-signalling in the previous code (which relied on the
3143 assumption that thread ID 0 is impossible).
3146 *) Add "-rand" option also to s_client and s_server.
3149 *) Fix CPU detection on Irix 6.x.
3150 [Kurt Hockenbury <khockenb@stevens-tech.edu> and
3151 "Bruce W. Forsberg" <bruce.forsberg@baesystems.com>]
3153 *) Fix X509_NAME bug which produced incorrect encoding if X509_NAME
3156 [This change does not apply to 0.9.7.]
3158 *) Use the cached encoding of an X509_NAME structure rather than
3159 copying it. This is apparently the reason for the libsafe "errors"
3160 but the code is actually correct.
3163 *) Add new function BN_rand_range(), and fix DSA_sign_setup() to prevent
3164 Bleichenbacher's DSA attack.
3165 Extend BN_[pseudo_]rand: As before, top=1 forces the highest two bits
3166 to be set and top=0 forces the highest bit to be set; top=-1 is new
3167 and leaves the highest bit random.
3168 [Ulf Moeller, Bodo Moeller]
3170 *) In the NCONF_...-based implementations for CONF_... queries
3171 (crypto/conf/conf_lib.c), if the input LHASH is NULL, avoid using
3172 a temporary CONF structure with the data component set to NULL
3173 (which gives segmentation faults in lh_retrieve).
3174 Instead, use NULL for the CONF pointer in CONF_get_string and
3175 CONF_get_number (which may use environment variables) and directly
3176 return NULL from CONF_get_section.
3179 *) Fix potential buffer overrun for EBCDIC.
3182 *) Tolerate nonRepudiation as being valid for S/MIME signing and certSign
3183 keyUsage if basicConstraints absent for a CA.
3186 *) Make SMIME_write_PKCS7() write mail header values with a format that
3187 is more generally accepted (no spaces before the semicolon), since
3188 some programs can't parse those values properly otherwise. Also make
3189 sure BIO's that break lines after each write do not create invalid
3193 *) Make the CRL encoding routines work with empty SEQUENCE OF. The
3194 macros previously used would not encode an empty SEQUENCE OF
3195 and break the signature.
3197 [This change does not apply to 0.9.7.]
3199 *) Zero the premaster secret after deriving the master secret in
3203 *) Add some EVP_add_digest_alias registrations (as found in
3204 OpenSSL_add_all_digests()) to SSL_library_init()
3205 aka OpenSSL_add_ssl_algorithms(). This provides improved
3206 compatibility with peers using X.509 certificates
3207 with unconventional AlgorithmIdentifier OIDs.
3210 *) Fix for Irix with NO_ASM.
3211 ["Bruce W. Forsberg" <bruce.forsberg@baesystems.com>]
3213 *) ./config script fixes.
3214 [Ulf Moeller, Richard Levitte]
3216 *) Fix 'openssl passwd -1'.
3219 *) Change PKCS12_key_gen_asc() so it can cope with non null
3220 terminated strings whose length is passed in the passlen
3221 parameter, for example from PEM callbacks. This was done
3222 by adding an extra length parameter to asc2uni().
3223 [Steve Henson, reported by <oddissey@samsung.co.kr>]
3225 *) Fix C code generated by 'openssl dsaparam -C': If a BN_bin2bn
3226 call failed, free the DSA structure.
3229 *) Fix to uni2asc() to cope with zero length Unicode strings.
3230 These are present in some PKCS#12 files.
3233 *) Increase s2->wbuf allocation by one byte in ssl2_new (ssl/s2_lib.c).
3234 Otherwise do_ssl_write (ssl/s2_pkt.c) will write beyond buffer limits
3235 when writing a 32767 byte record.
3236 [Bodo Moeller; problem reported by Eric Day <eday@concentric.net>]
3238 *) In RSA_eay_public_{en,ed}crypt and RSA_eay_mod_exp (rsa_eay.c),
3239 obtain lock CRYPTO_LOCK_RSA before setting rsa->_method_mod_{n,p,q}.
3241 (RSA objects have a reference count access to which is protected
3242 by CRYPTO_LOCK_RSA [see rsa_lib.c, s3_srvr.c, ssl_cert.c, ssl_rsa.c],
3243 so they are meant to be shared between threads.)
3244 [Bodo Moeller, Geoff Thorpe; original patch submitted by
3245 "Reddie, Steven" <Steven.Reddie@ca.com>]
3247 *) Fix a deadlock in CRYPTO_mem_leaks().
3250 *) Use better test patterns in bntest.
3253 *) rand_win.c fix for Borland C.
3256 *) BN_rshift bugfix for n == 0.
3259 *) Add a 'bctest' script that checks for some known 'bc' bugs
3260 so that 'make test' does not abort just because 'bc' is broken.
3263 *) Store verify_result within SSL_SESSION also for client side to
3264 avoid potential security hole. (Re-used sessions on the client side
3265 always resulted in verify_result==X509_V_OK, not using the original
3266 result of the server certificate verification.)
3269 *) Fix ssl3_pending: If the record in s->s3->rrec is not of type
3270 SSL3_RT_APPLICATION_DATA, return 0.
3271 Similarly, change ssl2_pending to return 0 if SSL_in_init(s) is true.
3275 Both ssl2_peek and ssl3_peek, which were totally broken in earlier
3276 releases, have been re-implemented by renaming the previous
3277 implementations of ssl2_read and ssl3_read to ssl2_read_internal
3278 and ssl3_read_internal, respectively, and adding 'peek' parameters
3279 to them. The new ssl[23]_{read,peek} functions are calls to
3280 ssl[23]_read_internal with the 'peek' flag set appropriately.
3281 A 'peek' parameter has also been added to ssl3_read_bytes, which
3282 does the actual work for ssl3_read_internal.
3285 *) Initialise "ex_data" member of RSA/DSA/DH structures prior to calling
3286 the method-specific "init()" handler. Also clean up ex_data after
3287 calling the method-specific "finish()" handler. Previously, this was
3288 happening the other way round.
3291 *) Increase BN_CTX_NUM (the number of BIGNUMs in a BN_CTX) to 16.
3292 The previous value, 12, was not always sufficient for BN_mod_exp().
3295 *) Make sure that shared libraries get the internal name engine with
3296 the full version number and not just 0. This should mark the
3297 shared libraries as not backward compatible. Of course, this should
3298 be changed again when we can guarantee backward binary compatibility.
3301 *) Fix typo in get_cert_by_subject() in by_dir.c
3302 [Jean-Marc Desperrier <jean-marc.desperrier@certplus.com>]
3304 *) Rework the system to generate shared libraries:
3306 - Make note of the expected extension for the shared libraries and
3307 if there is a need for symbolic links from for example libcrypto.so.0
3308 to libcrypto.so.0.9.7. There is extended info in Configure for
3311 - Make as few rebuilds of the shared libraries as possible.
3313 - Still avoid linking the OpenSSL programs with the shared libraries.
3315 - When installing, install the shared libraries separately from the
3319 *) Fix SSL_CTX_set_read_ahead macro to actually use its argument.
3321 Copy SSL_CTX's read_ahead flag to SSL object directly in SSL_new
3322 and not in SSL_clear because the latter is also used by the
3323 accept/connect functions; previously, the settings made by
3324 SSL_set_read_ahead would be lost during the handshake.
3325 [Bodo Moeller; problems reported by Anders Gertz <gertz@epact.se>]
3327 *) Correct util/mkdef.pl to be selective about disabled algorithms.
3328 Previously, it would create entries for disableed algorithms no
3332 *) Added several new manual pages for SSL_* function.
3335 Changes between 0.9.5a and 0.9.6 [24 Sep 2000]
3337 *) In ssl23_get_client_hello, generate an error message when faced
3338 with an initial SSL 3.0/TLS record that is too small to contain the
3339 first two bytes of the ClientHello message, i.e. client_version.
3340 (Note that this is a pathologic case that probably has never happened
3341 in real life.) The previous approach was to use the version number
3342 from the record header as a substitute; but our protocol choice
3343 should not depend on that one because it is not authenticated
3344 by the Finished messages.
3347 *) More robust randomness gathering functions for Windows.
3348 [Jeffrey Altman <jaltman@columbia.edu>]
3350 *) For compatibility reasons if the flag X509_V_FLAG_ISSUER_CHECK is
3351 not set then we don't setup the error code for issuer check errors
3352 to avoid possibly overwriting other errors which the callback does
3353 handle. If an application does set the flag then we assume it knows
3354 what it is doing and can handle the new informational codes
3358 *) Fix for a nasty bug in ASN1_TYPE handling. ASN1_TYPE is used for
3359 a general "ANY" type, as such it should be able to decode anything
3360 including tagged types. However it didn't check the class so it would
3361 wrongly interpret tagged types in the same way as their universal
3362 counterpart and unknown types were just rejected. Changed so that the
3363 tagged and unknown types are handled in the same way as a SEQUENCE:
3364 that is the encoding is stored intact. There is also a new type
3365 "V_ASN1_OTHER" which is used when the class is not universal, in this
3366 case we have no idea what the actual type is so we just lump them all
3370 *) On VMS, stdout may very well lead to a file that is written to
3371 in a record-oriented fashion. That means that every write() will
3372 write a separate record, which will be read separately by the
3373 programs trying to read from it. This can be very confusing.
3375 The solution is to put a BIO filter in the way that will buffer
3376 text until a linefeed is reached, and then write everything a
3377 line at a time, so every record written will be an actual line,
3378 not chunks of lines and not (usually doesn't happen, but I've
3379 seen it once) several lines in one record. BIO_f_linebuffer() is
3382 Currently, it's a VMS-only method, because that's where it has
3383 been tested well enough.
3386 *) Remove 'optimized' squaring variant in BN_mod_mul_montgomery,
3387 it can return incorrect results.
3388 (Note: The buggy variant was not enabled in OpenSSL 0.9.5a,
3389 but it was in 0.9.6-beta[12].)
3392 *) Disable the check for content being present when verifying detached
3393 signatures in pk7_smime.c. Some versions of Netscape (wrongly)
3394 include zero length content when signing messages.
3397 *) New BIO_shutdown_wr macro, which invokes the BIO_C_SHUTDOWN_WR
3398 BIO_ctrl (for BIO pairs).
3401 *) Add DSO method for VMS.
3404 *) Bug fix: Montgomery multiplication could produce results with the
3408 *) Add RPM specification openssl.spec and modify it to build three
3409 packages. The default package contains applications, application
3410 documentation and run-time libraries. The devel package contains
3411 include files, static libraries and function documentation. The
3412 doc package contains the contents of the doc directory. The original
3413 openssl.spec was provided by Damien Miller <djm@mindrot.org>.
3416 *) Add a large number of documentation files for many SSL routines.
3417 [Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE>]
3419 *) Add a configuration entry for Sony News 4.
3420 [NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp>]
3422 *) Don't set the two most significant bits to one when generating a
3423 random number < q in the DSA library.
3426 *) New SSL API mode 'SSL_MODE_AUTO_RETRY'. This disables the default
3427 behaviour that SSL_read may result in SSL_ERROR_WANT_READ (even if
3428 the underlying transport is blocking) if a handshake took place.
3429 (The default behaviour is needed by applications such as s_client
3430 and s_server that use select() to determine when to use SSL_read;
3431 but for applications that know in advance when to expect data, it
3432 just makes things more complicated.)
3435 *) Add RAND_egd_bytes(), which gives control over the number of bytes read
3439 *) Add a few more EBCDIC conditionals that make `req' and `x509'
3440 work better on such systems.
3441 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>]
3443 *) Add two demo programs for PKCS12_parse() and PKCS12_create().
3444 Update PKCS12_parse() so it copies the friendlyName and the
3445 keyid to the certificates aux info.
3448 *) Fix bug in PKCS7_verify() which caused an infinite loop
3449 if there was more than one signature.
3450 [Sven Uszpelkat <su@celocom.de>]
3452 *) Major change in util/mkdef.pl to include extra information
3453 about each symbol, as well as presentig variables as well
3454 as functions. This change means that there's n more need
3455 to rebuild the .num files when some algorithms are excluded.
3458 *) Allow the verify time to be set by an application,
3459 rather than always using the current time.
3462 *) Phase 2 verify code reorganisation. The certificate
3463 verify code now looks up an issuer certificate by a
3464 number of criteria: subject name, authority key id
3465 and key usage. It also verifies self signed certificates
3466 by the same criteria. The main comparison function is
3467 X509_check_issued() which performs these checks.
3469 Lot of changes were necessary in order to support this
3470 without completely rewriting the lookup code.
3472 Authority and subject key identifier are now cached.
3474 The LHASH 'certs' is X509_STORE has now been replaced
3475 by a STACK_OF(X509_OBJECT). This is mainly because an
3476 LHASH can't store or retrieve multiple objects with
3477 the same hash value.
3479 As a result various functions (which were all internal
3480 use only) have changed to handle the new X509_STORE
3481 structure. This will break anything that messed round
3482 with X509_STORE internally.
3484 The functions X509_STORE_add_cert() now checks for an
3485 exact match, rather than just subject name.
3487 The X509_STORE API doesn't directly support the retrieval
3488 of multiple certificates matching a given criteria, however
3489 this can be worked round by performing a lookup first
3490 (which will fill the cache with candidate certificates)
3491 and then examining the cache for matches. This is probably
3492 the best we can do without throwing out X509_LOOKUP
3493 entirely (maybe later...).
3495 The X509_VERIFY_CTX structure has been enhanced considerably.
3497 All certificate lookup operations now go via a get_issuer()
3498 callback. Although this currently uses an X509_STORE it
3499 can be replaced by custom lookups. This is a simple way
3500 to bypass the X509_STORE hackery necessary to make this
3501 work and makes it possible to use more efficient techniques
3502 in future. A very simple version which uses a simple
3503 STACK for its trusted certificate store is also provided
3504 using X509_STORE_CTX_trusted_stack().
3506 The verify_cb() and verify() callbacks now have equivalents
3507 in the X509_STORE_CTX structure.
3509 X509_STORE_CTX also has a 'flags' field which can be used
3510 to customise the verify behaviour.
3513 *) Add new PKCS#7 signing option PKCS7_NOSMIMECAP which
3514 excludes S/MIME capabilities.
3517 *) When a certificate request is read in keep a copy of the
3518 original encoding of the signed data and use it when outputing
3519 again. Signatures then use the original encoding rather than
3520 a decoded, encoded version which may cause problems if the
3521 request is improperly encoded.
3524 *) For consistency with other BIO_puts implementations, call
3525 buffer_write(b, ...) directly in buffer_puts instead of calling
3528 In BIO_puts, increment b->num_write as in BIO_write.
3529 [Peter.Sylvester@EdelWeb.fr]
3531 *) Fix BN_mul_word for the case where the word is 0. (We have to use
3532 BN_zero, we may not return a BIGNUM with an array consisting of
3536 *) Avoid calling abort() from within the library when problems are
3537 detected, except if preprocessor symbols have been defined
3538 (such as REF_CHECK, BN_DEBUG etc.).
3541 *) New openssl application 'rsautl'. This utility can be
3542 used for low level RSA operations. DER public key
3543 BIO/fp routines also added.
3546 *) New Configure entry and patches for compiling on QNX 4.
3547 [Andreas Schneider <andreas@ds3.etech.fh-hamburg.de>]
3549 *) A demo state-machine implementation was sponsored by
3550 Nuron (http://www.nuron.com/) and is now available in
3551 demos/state_machine.
3554 *) New options added to the 'dgst' utility for signature
3555 generation and verification.
3558 *) Unrecognized PKCS#7 content types are now handled via a
3559 catch all ASN1_TYPE structure. This allows unsupported
3560 types to be stored as a "blob" and an application can
3561 encode and decode it manually.
3564 *) Fix various signed/unsigned issues to make a_strex.c
3566 [Oscar Jacobsson <oscar.jacobsson@celocom.com>]
3568 *) ASN1 fixes. i2d_ASN1_OBJECT was not returning the correct
3569 length if passed a buffer. ASN1_INTEGER_to_BN failed
3570 if passed a NULL BN and its argument was negative.
3571 [Steve Henson, pointed out by Sven Heiberg <sven@tartu.cyber.ee>]
3573 *) Modification to PKCS#7 encoding routines to output definite
3574 length encoding. Since currently the whole structures are in
3575 memory there's not real point in using indefinite length
3576 constructed encoding. However if OpenSSL is compiled with
3577 the flag PKCS7_INDEFINITE_ENCODING the old form is used.
3580 *) Added BIO_vprintf() and BIO_vsnprintf().
3583 *) Added more prefixes to parse for in the the strings written
3584 through a logging bio, to cover all the levels that are available
3585 through syslog. The prefixes are now:
3587 PANIC, EMERG, EMR => LOG_EMERG
3588 ALERT, ALR => LOG_ALERT
3589 CRIT, CRI => LOG_CRIT
3590 ERROR, ERR => LOG_ERR
3591 WARNING, WARN, WAR => LOG_WARNING
3592 NOTICE, NOTE, NOT => LOG_NOTICE
3593 INFO, INF => LOG_INFO
3594 DEBUG, DBG => LOG_DEBUG
3596 and as before, if none of those prefixes are present at the
3597 beginning of the string, LOG_ERR is chosen.
3599 On Win32, the LOG_* levels are mapped according to this:
3601 LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR => EVENTLOG_ERROR_TYPE
3602 LOG_WARNING => EVENTLOG_WARNING_TYPE
3603 LOG_NOTICE, LOG_INFO, LOG_DEBUG => EVENTLOG_INFORMATION_TYPE
3607 *) Made it possible to reconfigure with just the configuration
3608 argument "reconf" or "reconfigure". The command line arguments
3609 are stored in Makefile.ssl in the variable CONFIGURE_ARGS,
3610 and are retrieved from there when reconfiguring.
3614 [Assar Westerlund <assar@sics.se>, Richard Levitte]
3616 *) Add the arguments -CAfile and -CApath to the pkcs12 utility.
3619 *) The obj_dat.pl script was messing up the sorting of object
3620 names. The reason was that it compared the quoted version
3621 of strings as a result "OCSP" > "OCSP Signing" because
3622 " > SPACE. Changed script to store unquoted versions of
3623 names and add quotes on output. It was also omitting some
3624 names from the lookup table if they were given a default
3625 value (that is if SN is missing it is given the same
3626 value as LN and vice versa), these are now added on the
3627 grounds that if an object has a name we should be able to
3628 look it up. Finally added warning output when duplicate
3629 short or long names are found.
3632 *) Changes needed for Tandem NSK.
3633 [Scott Uroff <scott@xypro.com>]
3635 *) Fix SSL 2.0 rollback checking: Due to an off-by-one error in
3636 RSA_padding_check_SSLv23(), special padding was never detected
3637 and thus the SSL 3.0/TLS 1.0 countermeasure against protocol
3638 version rollback attacks was not effective.
3640 In s23_clnt.c, don't use special rollback-attack detection padding
3641 (RSA_SSLV23_PADDING) if SSL 2.0 is the only protocol enabled in the
3642 client; similarly, in s23_srvr.c, don't do the rollback check if
3643 SSL 2.0 is the only protocol enabled in the server.
3646 *) Make it possible to get hexdumps of unprintable data with 'openssl
3647 asn1parse'. By implication, the functions ASN1_parse_dump() and
3648 BIO_dump_indent() are added.
3651 *) New functions ASN1_STRING_print_ex() and X509_NAME_print_ex()
3652 these print out strings and name structures based on various
3653 flags including RFC2253 support and proper handling of
3654 multibyte characters. Added options to the 'x509' utility
3655 to allow the various flags to be set.
3658 *) Various fixes to use ASN1_TIME instead of ASN1_UTCTIME.
3659 Also change the functions X509_cmp_current_time() and
3660 X509_gmtime_adj() work with an ASN1_TIME structure,
3661 this will enable certificates using GeneralizedTime in validity
3662 dates to be checked.
3665 *) Make the NEG_PUBKEY_BUG code (which tolerates invalid
3666 negative public key encodings) on by default,
3667 NO_NEG_PUBKEY_BUG can be set to disable it.
3670 *) New function c2i_ASN1_OBJECT() which acts on ASN1_OBJECT
3671 content octets. An i2c_ASN1_OBJECT is unnecessary because
3672 the encoding can be trivially obtained from the structure.
3675 *) crypto/err.c locking bugfix: Use write locks (CRYPTO_w_[un]lock),
3676 not read locks (CRYPTO_r_[un]lock).
3679 *) A first attempt at creating official support for shared
3680 libraries through configuration. I've kept it so the
3681 default is static libraries only, and the OpenSSL programs
3682 are always statically linked for now, but there are
3683 preparations for dynamic linking in place.
3684 This has been tested on Linux and Tru64.
3687 *) Randomness polling function for Win9x, as described in:
3688 Peter Gutmann, Software Generation of Practically Strong
3692 *) Fix so PRNG is seeded in req if using an already existing
3696 *) New options to smime application. -inform and -outform
3697 allow alternative formats for the S/MIME message including
3698 PEM and DER. The -content option allows the content to be
3699 specified separately. This should allow things like Netscape
3700 form signing output easier to verify.
3703 *) Fix the ASN1 encoding of tags using the 'long form'.
3706 *) New ASN1 functions, i2c_* and c2i_* for INTEGER and BIT
3707 STRING types. These convert content octets to and from the
3708 underlying type. The actual tag and length octets are
3709 already assumed to have been read in and checked. These
3710 are needed because all other string types have virtually
3711 identical handling apart from the tag. By having versions
3712 of the ASN1 functions that just operate on content octets
3713 IMPLICIT tagging can be handled properly. It also allows
3714 the ASN1_ENUMERATED code to be cut down because ASN1_ENUMERATED
3715 and ASN1_INTEGER are identical apart from the tag.
3718 *) Change the handling of OID objects as follows:
3720 - New object identifiers are inserted in objects.txt, following
3721 the syntax given in objects.README.
3722 - objects.pl is used to process obj_mac.num and create a new
3724 - obj_dat.pl is used to create a new obj_dat.h, using the data in
3727 This is currently kind of a hack, and the perl code in objects.pl
3728 isn't very elegant, but it works as I intended. The simplest way
3729 to check that it worked correctly is to look in obj_dat.h and
3730 check the array nid_objs and make sure the objects haven't moved
3731 around (this is important!). Additions are OK, as well as
3732 consistent name changes.
3735 *) Add BSD-style MD5-based passwords to 'openssl passwd' (option '-1').
3738 *) Addition of the command line parameter '-rand file' to 'openssl req'.
3739 The given file adds to whatever has already been seeded into the
3740 random pool through the RANDFILE configuration file option or
3741 environment variable, or the default random state file.
3744 *) mkstack.pl now sorts each macro group into lexical order.
3745 Previously the output order depended on the order the files
3746 appeared in the directory, resulting in needless rewriting
3750 *) Patches to make OpenSSL compile under Win32 again. Mostly
3751 work arounds for the VC++ problem that it treats func() as
3752 func(void). Also stripped out the parts of mkdef.pl that
3753 added extra typesafe functions: these no longer exist.
3756 *) Reorganisation of the stack code. The macros are now all
3757 collected in safestack.h . Each macro is defined in terms of
3758 a "stack macro" of the form SKM_<name>(type, a, b). The
3759 DEBUG_SAFESTACK is now handled in terms of function casts,
3760 this has the advantage of retaining type safety without the
3761 use of additional functions. If DEBUG_SAFESTACK is not defined
3762 then the non typesafe macros are used instead. Also modified the
3763 mkstack.pl script to handle the new form. Needs testing to see
3764 if which (if any) compilers it chokes and maybe make DEBUG_SAFESTACK
3765 the default if no major problems. Similar behaviour for ASN1_SET_OF
3766 and PKCS12_STACK_OF.
3769 *) When some versions of IIS use the 'NET' form of private key the
3770 key derivation algorithm is different. Normally MD5(password) is
3771 used as a 128 bit RC4 key. In the modified case
3772 MD5(MD5(password) + "SGCKEYSALT") is used insted. Added some
3773 new functions i2d_RSA_NET(), d2i_RSA_NET() etc which are the same
3774 as the old Netscape_RSA functions except they have an additional
3775 'sgckey' parameter which uses the modified algorithm. Also added
3776 an -sgckey command line option to the rsa utility. Thanks to
3777 Adrian Peck <bertie@ncipher.com> for posting details of the modified
3778 algorithm to openssl-dev.
3781 *) The evp_local.h macros were using 'c.##kname' which resulted in
3782 invalid expansion on some systems (SCO 5.0.5 for example).
3783 Corrected to 'c.kname'.
3784 [Phillip Porch <root@theporch.com>]
3786 *) New X509_get1_email() and X509_REQ_get1_email() functions that return
3787 a STACK of email addresses from a certificate or request, these look
3788 in the subject name and the subject alternative name extensions and
3789 omit any duplicate addresses.
3792 *) Re-implement BN_mod_exp2_mont using independent (and larger) windows.
3793 This makes DSA verification about 2 % faster.
3796 *) Increase maximum window size in BN_mod_exp_... to 6 bits instead of 5
3797 (meaning that now 2^5 values will be precomputed, which is only 4 KB
3798 plus overhead for 1024 bit moduli).
3799 This makes exponentiations about 0.5 % faster for 1024 bit
3800 exponents (as measured by "openssl speed rsa2048").
3803 *) Rename memory handling macros to avoid conflicts with other
3805 Malloc => OPENSSL_malloc
3806 Malloc_locked => OPENSSL_malloc_locked
3807 Realloc => OPENSSL_realloc
3808 Free => OPENSSL_free
3811 *) New function BN_mod_exp_mont_word for small bases (roughly 15%
3812 faster than BN_mod_exp_mont, i.e. 7% for a full DH exchange).
3815 *) CygWin32 support.
3816 [John Jarvie <jjarvie@newsguy.com>]
3818 *) The type-safe stack code has been rejigged. It is now only compiled
3819 in when OpenSSL is configured with the DEBUG_SAFESTACK option and
3820 by default all type-specific stack functions are "#define"d back to
3821 standard stack functions. This results in more streamlined output
3822 but retains the type-safety checking possibilities of the original
3826 *) The STACK code has been cleaned up, and certain type declarations
3827 that didn't make a lot of sense have been brought in line. This has
3828 also involved a cleanup of sorts in safestack.h to more correctly
3829 map type-safe stack functions onto their plain stack counterparts.
3830 This work has also resulted in a variety of "const"ifications of
3831 lots of the code, especially "_cmp" operations which should normally
3832 be prototyped with "const" parameters anyway.
3835 *) When generating bytes for the first time in md_rand.c, 'stir the pool'
3836 by seeding with STATE_SIZE dummy bytes (with zero entropy count).
3837 (The PRNG state consists of two parts, the large pool 'state' and 'md',
3838 where all of 'md' is used each time the PRNG is used, but 'state'
3839 is used only indexed by a cyclic counter. As entropy may not be
3840 well distributed from the beginning, 'md' is important as a
3841 chaining variable. However, the output function chains only half
3842 of 'md', i.e. 80 bits. ssleay_rand_add, on the other hand, chains
3843 all of 'md', and seeding with STATE_SIZE dummy bytes will result
3844 in all of 'state' being rewritten, with the new values depending
3845 on virtually all of 'md'. This overcomes the 80 bit limitation.)
3848 *) In ssl/s2_clnt.c and ssl/s3_clnt.c, call ERR_clear_error() when
3849 the handshake is continued after ssl_verify_cert_chain();
3850 otherwise, if SSL_VERIFY_NONE is set, remaining error codes
3851 can lead to 'unexplainable' connection aborts later.
3852 [Bodo Moeller; problem tracked down by Lutz Jaenicke]
3854 *) Major EVP API cipher revision.
3855 Add hooks for extra EVP features. This allows various cipher
3856 parameters to be set in the EVP interface. Support added for variable
3857 key length ciphers via the EVP_CIPHER_CTX_set_key_length() function and
3858 setting of RC2 and RC5 parameters.
3860 Modify EVP_OpenInit() and EVP_SealInit() to cope with variable key length
3863 Remove lots of duplicated code from the EVP library. For example *every*
3864 cipher init() function handles the 'iv' in the same way according to the
3865 cipher mode. They also all do nothing if the 'key' parameter is NULL and
3866 for CFB and OFB modes they zero ctx->num.
3868 New functionality allows removal of S/MIME code RC2 hack.
3870 Most of the routines have the same form and so can be declared in terms
3873 By shifting this to the top level EVP_CipherInit() it can be removed from
3874 all individual ciphers. If the cipher wants to handle IVs or keys
3875 differently it can set the EVP_CIPH_CUSTOM_IV or EVP_CIPH_ALWAYS_CALL_INIT
3878 Change lots of functions like EVP_EncryptUpdate() to now return a
3879 value: although software versions of the algorithms cannot fail
3880 any installed hardware versions can.
3883 *) Implement SSL_OP_TLS_ROLLBACK_BUG: In ssl3_get_client_key_exchange, if
3884 this option is set, tolerate broken clients that send the negotiated
3885 protocol version number instead of the requested protocol version
3889 *) Call dh_tmp_cb (set by ..._TMP_DH_CB) with correct 'is_export' flag;
3890 i.e. non-zero for export ciphersuites, zero otherwise.
3891 Previous versions had this flag inverted, inconsistent with
3892 rsa_tmp_cb (..._TMP_RSA_CB).
3893 [Bodo Moeller; problem reported by Amit Chopra]
3895 *) Add missing DSA library text string. Work around for some IIS
3896 key files with invalid SEQUENCE encoding.
3899 *) Add a document (doc/standards.txt) that list all kinds of standards
3900 and so on that are implemented in OpenSSL.
3903 *) Enhance c_rehash script. Old version would mishandle certificates
3904 with the same subject name hash and wouldn't handle CRLs at all.
3905 Added -fingerprint option to crl utility, to support new c_rehash
3909 *) Eliminate non-ANSI declarations in crypto.h and stack.h.
3912 *) Fix for SSL server purpose checking. Server checking was
3913 rejecting certificates which had extended key usage present
3914 but no ssl client purpose.
3915 [Steve Henson, reported by Rene Grosser <grosser@hisolutions.com>]
3917 *) Make PKCS#12 code work with no password. The PKCS#12 spec
3918 is a little unclear about how a blank password is handled.
3919 Since the password in encoded as a BMPString with terminating
3920 double NULL a zero length password would end up as just the
3921 double NULL. However no password at all is different and is
3922 handled differently in the PKCS#12 key generation code. NS
3923 treats a blank password as zero length. MSIE treats it as no
3924 password on export: but it will try both on import. We now do
3925 the same: PKCS12_parse() tries zero length and no password if
3926 the password is set to "" or NULL (NULL is now a valid password:
3927 it wasn't before) as does the pkcs12 application.
3930 *) Bugfixes in apps/x509.c: Avoid a memory leak; and don't use
3931 perror when PEM_read_bio_X509_REQ fails, the error message must
3932 be obtained from the error queue.
3935 *) Avoid 'thread_hash' memory leak in crypto/err/err.c by freeing
3936 it in ERR_remove_state if appropriate, and change ERR_get_state
3937 accordingly to avoid race conditions (this is necessary because
3938 thread_hash is no longer constant once set).
3941 *) Bugfix for linux-elf makefile.one.
3944 *) RSA_get_default_method() will now cause a default
3945 RSA_METHOD to be chosen if one doesn't exist already.
3946 Previously this was only set during a call to RSA_new()
3947 or RSA_new_method(NULL) meaning it was possible for
3948 RSA_get_default_method() to return NULL.
3951 *) Added native name translation to the existing DSO code
3952 that will convert (if the flag to do so is set) filenames
3953 that are sufficiently small and have no path information
3954 into a canonical native form. Eg. "blah" converted to
3955 "libblah.so" or "blah.dll" etc.
3958 *) New function ERR_error_string_n(e, buf, len) which is like
3959 ERR_error_string(e, buf), but writes at most 'len' bytes
3960 including the 0 terminator. For ERR_error_string_n, 'buf'
3962 [Damien Miller <djm@mindrot.org>, Bodo Moeller]
3964 *) CONF library reworked to become more general. A new CONF
3965 configuration file reader "class" is implemented as well as a
3966 new functions (NCONF_*, for "New CONF") to handle it. The now
3967 old CONF_* functions are still there, but are reimplemented to
3968 work in terms of the new functions. Also, a set of functions
3969 to handle the internal storage of the configuration data is
3970 provided to make it easier to write new configuration file
3971 reader "classes" (I can definitely see something reading a
3972 configuration file in XML format, for example), called _CONF_*,
3973 or "the configuration storage API"...
3975 The new configuration file reading functions are:
3977 NCONF_new, NCONF_free, NCONF_load, NCONF_load_fp, NCONF_load_bio,
3978 NCONF_get_section, NCONF_get_string, NCONF_get_numbre
3980 NCONF_default, NCONF_WIN32
3982 NCONF_dump_fp, NCONF_dump_bio
3984 NCONF_default and NCONF_WIN32 are method (or "class") choosers,
3985 NCONF_new creates a new CONF object. This works in the same way
3986 as other interfaces in OpenSSL, like the BIO interface.
3987 NCONF_dump_* dump the internal storage of the configuration file,
3988 which is useful for debugging. All other functions take the same
3989 arguments as the old CONF_* functions wth the exception of the
3990 first that must be a `CONF *' instead of a `LHASH *'.
3992 To make it easer to use the new classes with the old CONF_* functions,
3993 the function CONF_set_default_method is provided.
3996 *) Add '-tls1' option to 'openssl ciphers', which was already
3997 mentioned in the documentation but had not been implemented.
3998 (This option is not yet really useful because even the additional
3999 experimental TLS 1.0 ciphers are currently treated as SSL 3.0 ciphers.)
4002 *) Initial DSO code added into libcrypto for letting OpenSSL (and
4003 OpenSSL-based applications) load shared libraries and bind to
4004 them in a portable way.
4005 [Geoff Thorpe, with contributions from Richard Levitte]
4007 Changes between 0.9.5 and 0.9.5a [1 Apr 2000]
4009 *) Make sure _lrotl and _lrotr are only used with MSVC.
4011 *) Use lock CRYPTO_LOCK_RAND correctly in ssleay_rand_status
4012 (the default implementation of RAND_status).
4014 *) Rename openssl x509 option '-crlext', which was added in 0.9.5,
4015 to '-clrext' (= clear extensions), as intended and documented.
4016 [Bodo Moeller; inconsistency pointed out by Michael Attili
4019 *) Fix for HMAC. It wasn't zeroing the rest of the block if the key length
4020 was larger than the MD block size.
4021 [Steve Henson, pointed out by Yost William <YostW@tce.com>]
4023 *) Modernise PKCS12_parse() so it uses STACK_OF(X509) for its ca argument
4024 fix a leak when the ca argument was passed as NULL. Stop X509_PUBKEY_set()
4025 using the passed key: if the passed key was a private key the result
4026 of X509_print(), for example, would be to print out all the private key
4030 *) des_quad_cksum() byte order bug fix.
4031 [Ulf Möller, using the problem description in krb4-0.9.7, where
4032 the solution is attributed to Derrick J Brashear <shadow@DEMENTIA.ORG>]
4034 *) Fix so V_ASN1_APP_CHOOSE works again: however its use is strongly
4036 [Steve Henson, pointed out by Brian Korver <briank@cs.stanford.edu>]
4038 *) For easily testing in shell scripts whether some command
4039 'openssl XXX' exists, the new pseudo-command 'openssl no-XXX'
4040 returns with exit code 0 iff no command of the given name is available.
4041 'no-XXX' is printed in this case, 'XXX' otherwise. In both cases,
4042 the output goes to stdout and nothing is printed to stderr.
4043 Additional arguments are always ignored.
4045 Since for each cipher there is a command of the same name,
4046 the 'no-cipher' compilation switches can be tested this way.
4048 ('openssl no-XXX' is not able to detect pseudo-commands such
4049 as 'quit', 'list-XXX-commands', or 'no-XXX' itself.)
4052 *) Update test suite so that 'make test' succeeds in 'no-rsa' configuration.
4055 *) For SSL_[CTX_]set_tmp_dh, don't create a DH key if SSL_OP_SINGLE_DH_USE
4056 is set; it will be thrown away anyway because each handshake creates
4058 ssl_cert_dup, which is used by SSL_new, now copies DH keys in addition
4059 to parameters -- in previous versions (since OpenSSL 0.9.3) the
4060 'default key' from SSL_CTX_set_tmp_dh would always be lost, meanining
4061 you effectivly got SSL_OP_SINGLE_DH_USE when using this macro.
4064 *) New s_client option -ign_eof: EOF at stdin is ignored, and
4065 'Q' and 'R' lose their special meanings (quit/renegotiate).
4066 This is part of what -quiet does; unlike -quiet, -ign_eof
4067 does not suppress any output.
4070 *) Add compatibility options to the purpose and trust code. The
4071 purpose X509_PURPOSE_ANY is "any purpose" which automatically
4072 accepts a certificate or CA, this was the previous behaviour,
4073 with all the associated security issues.
4075 X509_TRUST_COMPAT is the old trust behaviour: only and
4076 automatically trust self signed roots in certificate store. A
4077 new trust setting X509_TRUST_DEFAULT is used to specify that
4078 a purpose has no associated trust setting and it should instead
4079 use the value in the default purpose.
4082 *) Fix the PKCS#8 DSA private key code so it decodes keys again
4083 and fix a memory leak.
4086 *) In util/mkerr.pl (which implements 'make errors'), preserve
4087 reason strings from the previous version of the .c file, as
4088 the default to have only downcase letters (and digits) in
4089 automatically generated reasons codes is not always appropriate.
4092 *) In ERR_load_ERR_strings(), build an ERR_LIB_SYS error reason table
4093 using strerror. Previously, ERR_reason_error_string() returned
4094 library names as reason strings for SYSerr; but SYSerr is a special
4095 case where small numbers are errno values, not library numbers.
4098 *) Add '-dsaparam' option to 'openssl dhparam' application. This
4099 converts DSA parameters into DH parameters. (When creating parameters,
4100 DSA_generate_parameters is used.)
4103 *) Include 'length' (recommended exponent length) in C code generated
4104 by 'openssl dhparam -C'.
4107 *) The second argument to set_label in perlasm was already being used
4108 so couldn't be used as a "file scope" flag. Moved to third argument
4112 *) In PEM_ASN1_write_bio and some other functions, use RAND_pseudo_bytes
4113 instead of RAND_bytes for encryption IVs and salts.
4116 *) Include RAND_status() into RAND_METHOD instead of implementing
4117 it only for md_rand.c Otherwise replacing the PRNG by calling
4118 RAND_set_rand_method would be impossible.
4121 *) Don't let DSA_generate_key() enter an infinite loop if the random
4122 number generation fails.
4125 *) New 'rand' application for creating pseudo-random output.
4128 *) Added configuration support for Linux/IA64
4129 [Rolf Haberrecker <rolf@suse.de>]
4131 *) Assembler module support for Mingw32.
4134 *) Shared library support for HPUX (in shlib/).
4135 [Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE> and Anonymous]
4137 *) Shared library support for Solaris gcc.
4138 [Lutz Behnke <behnke@trustcenter.de>]
4140 Changes between 0.9.4 and 0.9.5 [28 Feb 2000]
4142 *) PKCS7_encrypt() was adding text MIME headers twice because they
4143 were added manually and by SMIME_crlf_copy().
4146 *) In bntest.c don't call BN_rand with zero bits argument.
4147 [Steve Henson, pointed out by Andrew W. Gray <agray@iconsinc.com>]
4149 *) BN_mul bugfix: In bn_mul_part_recursion() only the a>a[n] && b>b[n]
4150 case was implemented. This caused BN_div_recp() to fail occasionally.
4153 *) Add an optional second argument to the set_label() in the perl
4154 assembly language builder. If this argument exists and is set
4155 to 1 it signals that the assembler should use a symbol whose
4156 scope is the entire file, not just the current function. This
4157 is needed with MASM which uses the format label:: for this scope.
4158 [Steve Henson, pointed out by Peter Runestig <peter@runestig.com>]
4160 *) Change the ASN1 types so they are typedefs by default. Before
4161 almost all types were #define'd to ASN1_STRING which was causing
4162 STACK_OF() problems: you couldn't declare STACK_OF(ASN1_UTF8STRING)
4166 *) Change names of new functions to the new get1/get0 naming
4167 convention: After 'get1', the caller owns a reference count
4168 and has to call ..._free; 'get0' returns a pointer to some
4169 data structure without incrementing reference counters.
4170 (Some of the existing 'get' functions increment a reference
4171 counter, some don't.)
4172 Similarly, 'set1' and 'add1' functions increase reference
4173 counters or duplicate objects.
4176 *) Allow for the possibility of temp RSA key generation failure:
4177 the code used to assume it always worked and crashed on failure.
4180 *) Fix potential buffer overrun problem in BIO_printf().
4181 [Ulf Möller, using public domain code by Patrick Powell; problem
4182 pointed out by David Sacerdote <das33@cornell.edu>]
4184 *) Support EGD <http://www.lothar.com/tech/crypto/>. New functions
4185 RAND_egd() and RAND_status(). In the command line application,
4186 the EGD socket can be specified like a seed file using RANDFILE
4190 *) Allow the string CERTIFICATE to be tolerated in PKCS#7 structures.
4191 Some CAs (e.g. Verisign) distribute certificates in this form.
4194 *) Remove the SSL_ALLOW_ADH compile option and set the default cipher
4195 list to exclude them. This means that no special compilation option
4196 is needed to use anonymous DH: it just needs to be included in the
4200 *) Change the EVP_MD_CTX_type macro so its meaning consistent with
4201 EVP_MD_type. The old functionality is available in a new macro called
4202 EVP_MD_md(). Change code that uses it and update docs.
4205 *) ..._ctrl functions now have corresponding ..._callback_ctrl functions
4206 where the 'void *' argument is replaced by a function pointer argument.
4207 Previously 'void *' was abused to point to functions, which works on
4208 many platforms, but is not correct. As these functions are usually
4209 called by macros defined in OpenSSL header files, most source code
4210 should work without changes.
4213 *) <openssl/opensslconf.h> (which is created by Configure) now contains
4214 sections with information on -D... compiler switches used for
4215 compiling the library so that applications can see them. To enable
4216 one of these sections, a pre-processor symbol OPENSSL_..._DEFINES
4217 must be defined. E.g.,
4218 #define OPENSSL_ALGORITHM_DEFINES
4219 #include <openssl/opensslconf.h>
4220 defines all pertinent NO_<algo> symbols, such as NO_IDEA, NO_RSA, etc.
4221 [Richard Levitte, Ulf and Bodo Möller]
4223 *) Bugfix: Tolerate fragmentation and interleaving in the SSL 3/TLS
4227 *) Change the 'other' type in certificate aux info to a STACK_OF
4228 X509_ALGOR. Although not an AlgorithmIdentifier as such it has
4229 the required ASN1 format: arbitrary types determined by an OID.
4232 *) Add some PEM_write_X509_REQ_NEW() functions and a command line
4233 argument to 'req'. This is not because the function is newer or
4234 better than others it just uses the work 'NEW' in the certificate
4235 request header lines. Some software needs this.
4238 *) Reorganise password command line arguments: now passwords can be
4239 obtained from various sources. Delete the PEM_cb function and make
4240 it the default behaviour: i.e. if the callback is NULL and the
4241 usrdata argument is not NULL interpret it as a null terminated pass
4242 phrase. If usrdata and the callback are NULL then the pass phrase
4243 is prompted for as usual.
4246 *) Add support for the Compaq Atalla crypto accelerator. If it is installed,
4247 the support is automatically enabled. The resulting binaries will
4248 autodetect the card and use it if present.
4249 [Ben Laurie and Compaq Inc.]
4251 *) Work around for Netscape hang bug. This sends certificate request
4252 and server done in one record. Since this is perfectly legal in the
4253 SSL/TLS protocol it isn't a "bug" option and is on by default. See
4254 the bugs/SSLv3 entry for more info.
4257 *) HP-UX tune-up: new unified configs, HP C compiler bug workaround.
4260 *) Add -rand argument to smime and pkcs12 applications and read/write
4264 *) New 'passwd' tool for crypt(3) and apr1 password hashes.
4267 *) Add command line password options to the remaining applications.
4270 *) Bug fix for BN_div_recp() for numerators with an even number of
4274 *) More tests in bntest.c, and changed test_bn output.
4277 *) ./config recognizes MacOS X now.
4280 *) Bug fix for BN_div() when the first words of num and divsor are
4281 equal (it gave wrong results if (rem=(n1-q*d0)&BN_MASK2) < d0).
4284 *) Add support for various broken PKCS#8 formats, and command line
4285 options to produce them.
4288 *) New functions BN_CTX_start(), BN_CTX_get() and BT_CTX_end() to
4289 get temporary BIGNUMs from a BN_CTX.
4292 *) Correct return values in BN_mod_exp_mont() and BN_mod_exp2_mont()
4296 *) Change the SSLeay_add_all_*() functions to OpenSSL_add_all_*() and
4297 include a #define from the old name to the new. The original intent
4298 was that statically linked binaries could for example just call
4299 SSLeay_add_all_ciphers() to just add ciphers to the table and not
4300 link with digests. This never worked becayse SSLeay_add_all_digests()
4301 and SSLeay_add_all_ciphers() were in the same source file so calling
4302 one would link with the other. They are now in separate source files.
4305 *) Add a new -notext option to 'ca' and a -pubkey option to 'spkac'.
4308 *) Use a less unusual form of the Miller-Rabin primality test (it used
4309 a binary algorithm for exponentiation integrated into the Miller-Rabin
4310 loop, our standard modexp algorithms are faster).
4313 *) Support for the EBCDIC character set completed.
4314 [Martin Kraemer <Martin.Kraemer@Mch.SNI.De>]
4316 *) Source code cleanups: use const where appropriate, eliminate casts,
4317 use void * instead of char * in lhash.
4320 *) Bugfix: ssl3_send_server_key_exchange was not restartable
4321 (the state was not changed to SSL3_ST_SW_KEY_EXCH_B, and because of
4322 this the server could overwrite ephemeral keys that the client
4326 *) Turn DSA_is_prime into a macro that calls BN_is_prime,
4327 using 50 iterations of the Rabin-Miller test.
4329 DSA_generate_parameters now uses BN_is_prime_fasttest (with 50
4330 iterations of the Rabin-Miller test as required by the appendix
4331 to FIPS PUB 186[-1]) instead of DSA_is_prime.
4332 As BN_is_prime_fasttest includes trial division, DSA parameter
4333 generation becomes much faster.
4335 This implies a change for the callback functions in DSA_is_prime
4336 and DSA_generate_parameters: The callback function is called once
4337 for each positive witness in the Rabin-Miller test, not just
4338 occasionally in the inner loop; and the parameters to the
4339 callback function now provide an iteration count for the outer
4340 loop rather than for the current invocation of the inner loop.
4341 DSA_generate_parameters additionally can call the callback
4342 function with an 'iteration count' of -1, meaning that a
4343 candidate has passed the trial division test (when q is generated
4344 from an application-provided seed, trial division is skipped).
4347 *) New function BN_is_prime_fasttest that optionally does trial
4348 division before starting the Rabin-Miller test and has
4349 an additional BN_CTX * argument (whereas BN_is_prime always
4350 has to allocate at least one BN_CTX).
4351 'callback(1, -1, cb_arg)' is called when a number has passed the
4352 trial division stage.
4355 *) Fix for bug in CRL encoding. The validity dates weren't being handled
4359 *) New -pkcs12 option to CA.pl script to write out a PKCS#12 file.
4362 *) New function BN_pseudo_rand().
4365 *) Clean up BN_mod_mul_montgomery(): replace the broken (and unreadable)
4366 bignum version of BN_from_montgomery() with the working code from
4367 SSLeay 0.9.0 (the word based version is faster anyway), and clean up
4371 *) Avoid a race condition in s2_clnt.c (function get_server_hello) that
4372 made it impossible to use the same SSL_SESSION data structure in
4373 SSL2 clients in multiple threads.
4376 *) The return value of RAND_load_file() no longer counts bytes obtained
4377 by stat(). RAND_load_file(..., -1) is new and uses the complete file
4378 to seed the PRNG (previously an explicit byte count was required).
4379 [Ulf Möller, Bodo Möller]
4381 *) Clean up CRYPTO_EX_DATA functions, some of these didn't have prototypes
4382 used (char *) instead of (void *) and had casts all over the place.
4385 *) Make BN_generate_prime() return NULL on error if ret!=NULL.
4388 *) Retain source code compatibility for BN_prime_checks macro:
4389 BN_is_prime(..., BN_prime_checks, ...) now uses
4390 BN_prime_checks_for_size to determine the appropriate number of
4391 Rabin-Miller iterations.
4394 *) Diffie-Hellman uses "safe" primes: DH_check() return code renamed to
4395 DH_CHECK_P_NOT_SAFE_PRIME.
4396 (Check if this is true? OpenPGP calls them "strong".)
4399 *) Merge the functionality of "dh" and "gendh" programs into a new program
4400 "dhparam". The old programs are retained for now but will handle DH keys
4401 (instead of parameters) in future.
4404 *) Make the ciphers, s_server and s_client programs check the return values
4405 when a new cipher list is set.
4408 *) Enhance the SSL/TLS cipher mechanism to correctly handle the TLS 56bit
4409 ciphers. Before when the 56bit ciphers were enabled the sorting was
4412 The syntax for the cipher sorting has been extended to support sorting by
4413 cipher-strength (using the strength_bits hard coded in the tables).
4414 The new command is "@STRENGTH" (see also doc/apps/ciphers.pod).
4416 Fix a bug in the cipher-command parser: when supplying a cipher command
4417 string with an "undefined" symbol (neither command nor alphanumeric
4418 [A-Za-z0-9], ssl_set_cipher_list used to hang in an endless loop. Now
4419 an error is flagged.
4421 Due to the strength-sorting extension, the code of the
4422 ssl_create_cipher_list() function was completely rearranged. I hope that
4423 the readability was also increased :-)
4424 [Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE>]
4426 *) Minor change to 'x509' utility. The -CAcreateserial option now uses 1
4427 for the first serial number and places 2 in the serial number file. This
4428 avoids problems when the root CA is created with serial number zero and
4429 the first user certificate has the same issuer name and serial number
4433 *) Fixes to X509_ATTRIBUTE utilities, change the 'req' program so it uses
4434 the new code. Add documentation for this stuff.
4437 *) Changes to X509_ATTRIBUTE utilities. These have been renamed from
4438 X509_*() to X509at_*() on the grounds that they don't handle X509
4439 structures and behave in an analagous way to the X509v3 functions:
4440 they shouldn't be called directly but wrapper functions should be used
4443 So we also now have some wrapper functions that call the X509at functions
4444 when passed certificate requests. (TO DO: similar things can be done with
4445 PKCS#7 signed and unsigned attributes, PKCS#12 attributes and a few other
4446 things. Some of these need some d2i or i2d and print functionality
4447 because they handle more complex structures.)
4450 *) Add missing #ifndefs that caused missing symbols when building libssl
4451 as a shared library without RSA. Use #ifndef NO_SSL2 instead of
4452 NO_RSA in ssl/s2*.c.
4453 [Kris Kennaway <kris@hub.freebsd.org>, modified by Ulf Möller]
4455 *) Precautions against using the PRNG uninitialized: RAND_bytes() now
4456 has a return value which indicates the quality of the random data
4457 (1 = ok, 0 = not seeded). Also an error is recorded on the thread's
4458 error queue. New function RAND_pseudo_bytes() generates output that is
4459 guaranteed to be unique but not unpredictable. RAND_add is like
4460 RAND_seed, but takes an extra argument for an entropy estimate
4461 (RAND_seed always assumes full entropy).
4464 *) Do more iterations of Rabin-Miller probable prime test (specifically,
4465 3 for 1024-bit primes, 6 for 512-bit primes, 12 for 256-bit primes
4466 instead of only 2 for all lengths; see BN_prime_checks_for_size definition
4467 in crypto/bn/bn_prime.c for the complete table). This guarantees a
4468 false-positive rate of at most 2^-80 for random input.
4471 *) Rewrite ssl3_read_n (ssl/s3_pkt.c) avoiding a couple of bugs.
4474 *) New function X509_CTX_rget_chain() (renamed to X509_CTX_get1_chain
4475 in the 0.9.5 release), this returns the chain
4476 from an X509_CTX structure with a dup of the stack and all
4477 the X509 reference counts upped: so the stack will exist
4478 after X509_CTX_cleanup() has been called. Modify pkcs12.c
4481 Also make SSL_SESSION_print() print out the verify return
4485 *) Add manpage for the pkcs12 command. Also change the default
4486 behaviour so MAC iteration counts are used unless the new
4487 -nomaciter option is used. This improves file security and
4488 only older versions of MSIE (4.0 for example) need it.
4491 *) Honor the no-xxx Configure options when creating .DEF files.
4494 *) Add PKCS#10 attributes to field table: challengePassword,
4495 unstructuredName and unstructuredAddress. These are taken from
4496 draft PKCS#9 v2.0 but are compatible with v1.2 provided no
4497 international characters are used.
4499 More changes to X509_ATTRIBUTE code: allow the setting of types
4500 based on strings. Remove the 'loc' parameter when adding
4501 attributes because these will be a SET OF encoding which is sorted
4505 *) Initial changes to the 'req' utility to allow request generation
4506 automation. This will allow an application to just generate a template
4507 file containing all the field values and have req construct the
4510 Initial support for X509_ATTRIBUTE handling. Stacks of these are
4511 used all over the place including certificate requests and PKCS#7
4512 structures. They are currently handled manually where necessary with
4513 some primitive wrappers for PKCS#7. The new functions behave in a
4514 manner analogous to the X509 extension functions: they allow
4515 attributes to be looked up by NID and added.
4517 Later something similar to the X509V3 code would be desirable to
4518 automatically handle the encoding, decoding and printing of the
4519 more complex types. The string types like challengePassword can
4520 be handled by the string table functions.
4522 Also modified the multi byte string table handling. Now there is
4523 a 'global mask' which masks out certain types. The table itself
4524 can use the flag STABLE_NO_MASK to ignore the mask setting: this
4525 is useful when for example there is only one permissible type
4526 (as in countryName) and using the mask might result in no valid
4530 *) Clean up 'Finished' handling, and add functions SSL_get_finished and
4531 SSL_get_peer_finished to allow applications to obtain the latest
4532 Finished messages sent to the peer or expected from the peer,
4533 respectively. (SSL_get_peer_finished is usually the Finished message
4534 actually received from the peer, otherwise the protocol will be aborted.)
4536 As the Finished message are message digests of the complete handshake
4537 (with a total of 192 bits for TLS 1.0 and more for SSL 3.0), they can
4538 be used for external authentication procedures when the authentication
4539 provided by SSL/TLS is not desired or is not enough.
4542 *) Enhanced support for Alpha Linux is added. Now ./config checks if
4543 the host supports BWX extension and if Compaq C is present on the
4544 $PATH. Just exploiting of the BWX extension results in 20-30%
4545 performance kick for some algorithms, e.g. DES and RC4 to mention
4546 a couple. Compaq C in turn generates ~20% faster code for MD5 and
4550 *) Add support for MS "fast SGC". This is arguably a violation of the
4551 SSL3/TLS protocol. Netscape SGC does two handshakes: the first with
4552 weak crypto and after checking the certificate is SGC a second one
4553 with strong crypto. MS SGC stops the first handshake after receiving
4554 the server certificate message and sends a second client hello. Since
4555 a server will typically do all the time consuming operations before
4556 expecting any further messages from the client (server key exchange
4557 is the most expensive) there is little difference between the two.
4559 To get OpenSSL to support MS SGC we have to permit a second client
4560 hello message after we have sent server done. In addition we have to
4561 reset the MAC if we do get this second client hello.
4564 *) Add a function 'd2i_AutoPrivateKey()' this will automatically decide
4565 if a DER encoded private key is RSA or DSA traditional format. Changed
4566 d2i_PrivateKey_bio() to use it. This is only needed for the "traditional"
4567 format DER encoded private key. Newer code should use PKCS#8 format which
4568 has the key type encoded in the ASN1 structure. Added DER private key
4569 support to pkcs8 application.
4572 *) SSL 3/TLS 1 servers now don't request certificates when an anonymous
4573 ciphersuites has been selected (as required by the SSL 3/TLS 1
4574 specifications). Exception: When SSL_VERIFY_FAIL_IF_NO_PEER_CERT
4575 is set, we interpret this as a request to violate the specification
4576 (the worst that can happen is a handshake failure, and 'correct'
4577 behaviour would result in a handshake failure anyway).
4580 *) In SSL_CTX_add_session, take into account that there might be multiple
4581 SSL_SESSION structures with the same session ID (e.g. when two threads
4582 concurrently obtain them from an external cache).
4583 The internal cache can handle only one SSL_SESSION with a given ID,
4584 so if there's a conflict, we now throw out the old one to achieve
4588 *) Add OIDs for idea and blowfish in CBC mode. This will allow both
4589 to be used in PKCS#5 v2.0 and S/MIME. Also add checking to
4590 some routines that use cipher OIDs: some ciphers do not have OIDs
4591 defined and so they cannot be used for S/MIME and PKCS#5 v2.0 for
4595 *) Simplify the trust setting structure and code. Now we just have
4596 two sequences of OIDs for trusted and rejected settings. These will
4597 typically have values the same as the extended key usage extension
4598 and any application specific purposes.
4600 The trust checking code now has a default behaviour: it will just
4601 check for an object with the same NID as the passed id. Functions can
4602 be provided to override either the default behaviour or the behaviour
4603 for a given id. SSL client, server and email already have functions
4604 in place for compatibility: they check the NID and also return "trusted"
4605 if the certificate is self signed.
4608 *) Add d2i,i2d bio/fp functions for PrivateKey: these convert the
4609 traditional format into an EVP_PKEY structure.
4612 *) Add a password callback function PEM_cb() which either prompts for
4613 a password if usr_data is NULL or otherwise assumes it is a null
4614 terminated password. Allow passwords to be passed on command line
4615 environment or config files in a few more utilities.
4618 *) Add a bunch of DER and PEM functions to handle PKCS#8 format private
4619 keys. Add some short names for PKCS#8 PBE algorithms and allow them
4620 to be specified on the command line for the pkcs8 and pkcs12 utilities.
4621 Update documentation.
4624 *) Support for ASN1 "NULL" type. This could be handled before by using
4625 ASN1_TYPE but there wasn't any function that would try to read a NULL
4626 and produce an error if it couldn't. For compatibility we also have
4627 ASN1_NULL_new() and ASN1_NULL_free() functions but these are faked and
4628 don't allocate anything because they don't need to.
4631 *) Initial support for MacOS is now provided. Examine INSTALL.MacOS
4633 [Andy Polyakov, Roy Woods <roy@centicsystems.ca>]
4635 *) Rebuild of the memory allocation routines used by OpenSSL code and
4636 possibly others as well. The purpose is to make an interface that
4637 provide hooks so anyone can build a separate set of allocation and
4638 deallocation routines to be used by OpenSSL, for example memory
4639 pool implementations, or something else, which was previously hard
4640 since Malloc(), Realloc() and Free() were defined as macros having
4641 the values malloc, realloc and free, respectively (except for Win32
4642 compilations). The same is provided for memory debugging code.
4643 OpenSSL already comes with functionality to find memory leaks, but
4644 this gives people a chance to debug other memory problems.
4646 With these changes, a new set of functions and macros have appeared:
4648 CRYPTO_set_mem_debug_functions() [F]
4649 CRYPTO_get_mem_debug_functions() [F]
4650 CRYPTO_dbg_set_options() [F]
4651 CRYPTO_dbg_get_options() [F]
4652 CRYPTO_malloc_debug_init() [M]
4654 The memory debug functions are NULL by default, unless the library
4655 is compiled with CRYPTO_MDEBUG or friends is defined. If someone
4656 wants to debug memory anyway, CRYPTO_malloc_debug_init() (which
4657 gives the standard debugging functions that come with OpenSSL) or
4658 CRYPTO_set_mem_debug_functions() (tells OpenSSL to use functions
4659 provided by the library user) must be used. When the standard
4660 debugging functions are used, CRYPTO_dbg_set_options can be used to
4661 request additional information:
4662 CRYPTO_dbg_set_options(V_CYRPTO_MDEBUG_xxx) corresponds to setting
4663 the CRYPTO_MDEBUG_xxx macro when compiling the library.
4665 Also, things like CRYPTO_set_mem_functions will always give the
4666 expected result (the new set of functions is used for allocation
4667 and deallocation) at all times, regardless of platform and compiler
4670 To finish it up, some functions that were never use in any other
4671 way than through macros have a new API and new semantic:
4674 CRYPTO_dbg_realloc()
4677 All macros of value have retained their old syntax.
4678 [Richard Levitte and Bodo Moeller]
4680 *) Some S/MIME fixes. The OID for SMIMECapabilities was wrong, the
4681 ordering of SMIMECapabilities wasn't in "strength order" and there
4682 was a missing NULL in the AlgorithmIdentifier for the SHA1 signature
4686 *) Some ASN1 types with illegal zero length encoding (INTEGER,
4687 ENUMERATED and OBJECT IDENTIFIER) choked the ASN1 routines.
4688 [Frans Heymans <fheymans@isaserver.be>, modified by Steve Henson]
4690 *) Merge in my S/MIME library for OpenSSL. This provides a simple
4691 S/MIME API on top of the PKCS#7 code, a MIME parser (with enough
4692 functionality to handle multipart/signed properly) and a utility
4693 called 'smime' to call all this stuff. This is based on code I
4694 originally wrote for Celo who have kindly allowed it to be
4695 included in OpenSSL.
4698 *) Add variants des_set_key_checked and des_set_key_unchecked of
4699 des_set_key (aka des_key_sched). Global variable des_check_key
4700 decides which of these is called by des_set_key; this way
4701 des_check_key behaves as it always did, but applications and
4702 the library itself, which was buggy for des_check_key == 1,
4703 have a cleaner way to pick the version they need.
4706 *) New function PKCS12_newpass() which changes the password of a
4710 *) Modify X509_TRUST and X509_PURPOSE so it also uses a static and
4711 dynamic mix. In both cases the ids can be used as an index into the
4712 table. Also modified the X509_TRUST_add() and X509_PURPOSE_add()
4713 functions so they accept a list of the field values and the
4714 application doesn't need to directly manipulate the X509_TRUST
4718 *) Modify the ASN1_STRING_TABLE stuff so it also uses bsearch and doesn't
4722 *) Modify the way the V3 extension code looks up extensions. This now
4723 works in a similar way to the object code: we have some "standard"
4724 extensions in a static table which is searched with OBJ_bsearch()
4725 and the application can add dynamic ones if needed. The file
4726 crypto/x509v3/ext_dat.h now has the info: this file needs to be
4727 updated whenever a new extension is added to the core code and kept
4728 in ext_nid order. There is a simple program 'tabtest.c' which checks
4729 this. New extensions are not added too often so this file can readily
4730 be maintained manually.
4732 There are two big advantages in doing things this way. The extensions
4733 can be looked up immediately and no longer need to be "added" using
4734 X509V3_add_standard_extensions(): this function now does nothing.
4735 [Side note: I get *lots* of email saying the extension code doesn't
4736 work because people forget to call this function]
4737 Also no dynamic allocation is done unless new extensions are added:
4738 so if we don't add custom extensions there is no need to call
4739 X509V3_EXT_cleanup().
4742 *) Modify enc utility's salting as follows: make salting the default. Add a
4743 magic header, so unsalted files fail gracefully instead of just decrypting
4744 to garbage. This is because not salting is a big security hole, so people
4745 should be discouraged from doing it.
4748 *) Fixes and enhancements to the 'x509' utility. It allowed a message
4749 digest to be passed on the command line but it only used this
4750 parameter when signing a certificate. Modified so all relevant
4751 operations are affected by the digest parameter including the
4752 -fingerprint and -x509toreq options. Also -x509toreq choked if a
4753 DSA key was used because it didn't fix the digest.
4756 *) Initial certificate chain verify code. Currently tests the untrusted
4757 certificates for consistency with the verify purpose (which is set
4758 when the X509_STORE_CTX structure is set up) and checks the pathlength.
4760 There is a NO_CHAIN_VERIFY compilation option to keep the old behaviour:
4761 this is because it will reject chains with invalid extensions whereas
4762 every previous version of OpenSSL and SSLeay made no checks at all.
4764 Trust code: checks the root CA for the relevant trust settings. Trust
4765 settings have an initial value consistent with the verify purpose: e.g.
4766 if the verify purpose is for SSL client use it expects the CA to be
4767 trusted for SSL client use. However the default value can be changed to
4768 permit custom trust settings: one example of this would be to only trust
4769 certificates from a specific "secure" set of CAs.
4771 Also added X509_STORE_CTX_new() and X509_STORE_CTX_free() functions
4772 which should be used for version portability: especially since the
4773 verify structure is likely to change more often now.
4775 SSL integration. Add purpose and trust to SSL_CTX and SSL and functions
4776 to set them. If not set then assume SSL clients will verify SSL servers
4779 Two new options to the verify program: -untrusted allows a set of
4780 untrusted certificates to be passed in and -purpose which sets the
4781 intended purpose of the certificate. If a purpose is set then the
4782 new chain verify code is used to check extension consistency.
4785 *) Support for the authority information access extension.
4788 *) Modify RSA and DSA PEM read routines to transparently handle
4789 PKCS#8 format private keys. New *_PUBKEY_* functions that handle
4790 public keys in a format compatible with certificate
4791 SubjectPublicKeyInfo structures. Unfortunately there were already
4792 functions called *_PublicKey_* which used various odd formats so
4793 these are retained for compatibility: however the DSA variants were
4794 never in a public release so they have been deleted. Changed dsa/rsa
4795 utilities to handle the new format: note no releases ever handled public
4796 keys so we should be OK.
4798 The primary motivation for this change is to avoid the same fiasco
4799 that dogs private keys: there are several incompatible private key
4800 formats some of which are standard and some OpenSSL specific and
4801 require various evil hacks to allow partial transparent handling and
4802 even then it doesn't work with DER formats. Given the option anything
4803 other than PKCS#8 should be dumped: but the other formats have to
4804 stay in the name of compatibility.
4806 With public keys and the benefit of hindsight one standard format
4807 is used which works with EVP_PKEY, RSA or DSA structures: though
4808 it clearly returns an error if you try to read the wrong kind of key.
4810 Added a -pubkey option to the 'x509' utility to output the public key.
4811 Also rename the EVP_PKEY_get_*() to EVP_PKEY_rget_*()
4812 (renamed to EVP_PKEY_get1_*() in the OpenSSL 0.9.5 release) and add
4813 EVP_PKEY_rset_*() functions (renamed to EVP_PKEY_set1_*())
4814 that do the same as the EVP_PKEY_assign_*() except they up the
4815 reference count of the added key (they don't "swallow" the
4819 *) Fixes to crypto/x509/by_file.c the code to read in certificates and
4820 CRLs would fail if the file contained no certificates or no CRLs:
4821 added a new function to read in both types and return the number
4822 read: this means that if none are read it will be an error. The
4823 DER versions of the certificate and CRL reader would always fail
4824 because it isn't possible to mix certificates and CRLs in DER format
4825 without choking one or the other routine. Changed this to just read
4826 a certificate: this is the best we can do. Also modified the code
4827 in apps/verify.c to take notice of return codes: it was previously
4828 attempting to read in certificates from NULL pointers and ignoring
4829 any errors: this is one reason why the cert and CRL reader seemed
4830 to work. It doesn't check return codes from the default certificate
4831 routines: these may well fail if the certificates aren't installed.
4834 *) Code to support otherName option in GeneralName.
4837 *) First update to verify code. Change the verify utility
4838 so it warns if it is passed a self signed certificate:
4839 for consistency with the normal behaviour. X509_verify
4840 has been modified to it will now verify a self signed
4841 certificate if *exactly* the same certificate appears
4842 in the store: it was previously impossible to trust a
4843 single self signed certificate. This means that:
4844 openssl verify ss.pem
4845 now gives a warning about a self signed certificate but
4846 openssl verify -CAfile ss.pem ss.pem
4850 *) For servers, store verify_result in SSL_SESSION data structure
4851 (and add it to external session representation).
4852 This is needed when client certificate verifications fails,
4853 but an application-provided verification callback (set by
4854 SSL_CTX_set_cert_verify_callback) allows accepting the session
4855 anyway (i.e. leaves x509_store_ctx->error != X509_V_OK
4856 but returns 1): When the session is reused, we have to set
4857 ssl->verify_result to the appropriate error code to avoid
4859 [Bodo Moeller, problem pointed out by Lutz Jaenicke]
4861 *) Fix a bug in the new PKCS#7 code: it didn't consider the
4862 case in PKCS7_dataInit() where the signed PKCS7 structure
4863 didn't contain any existing data because it was being created.
4864 [Po-Cheng Chen <pocheng@nst.com.tw>, slightly modified by Steve Henson]
4866 *) Add a salt to the key derivation routines in enc.c. This
4867 forms the first 8 bytes of the encrypted file. Also add a
4868 -S option to allow a salt to be input on the command line.
4871 *) New function X509_cmp(). Oddly enough there wasn't a function
4872 to compare two certificates. We do this by working out the SHA1
4873 hash and comparing that. X509_cmp() will be needed by the trust
4877 *) SSL_get1_session() is like SSL_get_session(), but increments
4878 the reference count in the SSL_SESSION returned.
4879 [Geoff Thorpe <geoff@eu.c2.net>]
4881 *) Fix for 'req': it was adding a null to request attributes.
4882 Also change the X509_LOOKUP and X509_INFO code to handle
4883 certificate auxiliary information.
4886 *) Add support for 40 and 64 bit RC2 and RC4 algorithms: document
4890 *) Add the possibility to add extra information to the memory leak
4891 detecting output, to form tracebacks, showing from where each
4892 allocation was originated: CRYPTO_push_info("constant string") adds
4893 the string plus current file name and line number to a per-thread
4894 stack, CRYPTO_pop_info() does the obvious, CRYPTO_remove_all_info()
4895 is like calling CYRPTO_pop_info() until the stack is empty.
4896 Also updated memory leak detection code to be multi-thread-safe.
4899 *) Add options -text and -noout to pkcs7 utility and delete the
4900 encryption options which never did anything. Update docs.
4903 *) Add options to some of the utilities to allow the pass phrase
4904 to be included on either the command line (not recommended on
4905 OSes like Unix) or read from the environment. Update the
4906 manpages and fix a few bugs.
4909 *) Add a few manpages for some of the openssl commands.
4912 *) Fix the -revoke option in ca. It was freeing up memory twice,
4913 leaking and not finding already revoked certificates.
4916 *) Extensive changes to support certificate auxiliary information.
4917 This involves the use of X509_CERT_AUX structure and X509_AUX
4918 functions. An X509_AUX function such as PEM_read_X509_AUX()
4919 can still read in a certificate file in the usual way but it
4920 will also read in any additional "auxiliary information". By
4921 doing things this way a fair degree of compatibility can be
4922 retained: existing certificates can have this information added
4923 using the new 'x509' options.
4925 Current auxiliary information includes an "alias" and some trust
4926 settings. The trust settings will ultimately be used in enhanced
4927 certificate chain verification routines: currently a certificate
4928 can only be trusted if it is self signed and then it is trusted
4932 *) Fix assembler for Alpha (tested only on DEC OSF not Linux or *BSD).
4933 The problem was that one of the replacement routines had not been working
4934 since SSLeay releases. For now the offending routine has been replaced
4935 with non-optimised assembler. Even so, this now gives around 95%
4936 performance improvement for 1024 bit RSA signs.
4939 *) Hack to fix PKCS#7 decryption when used with some unorthodox RC2
4940 handling. Most clients have the effective key size in bits equal to
4941 the key length in bits: so a 40 bit RC2 key uses a 40 bit (5 byte) key.
4942 A few however don't do this and instead use the size of the decrypted key
4943 to determine the RC2 key length and the AlgorithmIdentifier to determine
4944 the effective key length. In this case the effective key length can still
4945 be 40 bits but the key length can be 168 bits for example. This is fixed
4946 by manually forcing an RC2 key into the EVP_PKEY structure because the
4947 EVP code can't currently handle unusual RC2 key sizes: it always assumes
4948 the key length and effective key length are equal.
4951 *) Add a bunch of functions that should simplify the creation of
4952 X509_NAME structures. Now you should be able to do:
4953 X509_NAME_add_entry_by_txt(nm, "CN", MBSTRING_ASC, "Steve", -1, -1, 0);
4954 and have it automatically work out the correct field type and fill in
4955 the structures. The more adventurous can try:
4956 X509_NAME_add_entry_by_txt(nm, field, MBSTRING_UTF8, str, -1, -1, 0);
4957 and it will (hopefully) work out the correct multibyte encoding.
4960 *) Change the 'req' utility to use the new field handling and multibyte
4961 copy routines. Before the DN field creation was handled in an ad hoc
4962 way in req, ca, and x509 which was rather broken and didn't support
4963 BMPStrings or UTF8Strings. Since some software doesn't implement
4964 BMPStrings or UTF8Strings yet, they can be enabled using the config file
4965 using the dirstring_type option. See the new comment in the default
4966 openssl.cnf for more info.
4969 *) Make crypto/rand/md_rand.c more robust:
4970 - Assure unique random numbers after fork().
4971 - Make sure that concurrent threads access the global counter and
4972 md serializably so that we never lose entropy in them
4973 or use exactly the same state in multiple threads.
4974 Access to the large state is not always serializable because
4975 the additional locking could be a performance killer, and
4976 md should be large enough anyway.
4979 *) New file apps/app_rand.c with commonly needed functionality
4980 for handling the random seed file.
4982 Use the random seed file in some applications that previously did not:
4984 dsaparam -genkey (which also ignored its '-rand' option),
4987 x509 (when signing).
4988 Except on systems with /dev/urandom, it is crucial to have a random
4989 seed file at least for key creation, DSA signing, and for DH exchanges;
4990 for RSA signatures we could do without one.
4992 gendh and gendsa (unlike genrsa) used to read only the first byte
4993 of each file listed in the '-rand' option. The function as previously
4994 found in genrsa is now in app_rand.c and is used by all programs
4995 that support '-rand'.
4998 *) In RAND_write_file, use mode 0600 for creating files;
4999 don't just chmod when it may be too late.
5002 *) Report an error from X509_STORE_load_locations
5003 when X509_LOOKUP_load_file or X509_LOOKUP_add_dir failed.
5006 *) New function ASN1_mbstring_copy() this copies a string in either
5007 ASCII, Unicode, Universal (4 bytes per character) or UTF8 format
5008 into an ASN1_STRING type. A mask of permissible types is passed
5009 and it chooses the "minimal" type to use or an error if not type
5013 *) Add function equivalents to the various macros in asn1.h. The old
5014 macros are retained with an M_ prefix. Code inside the library can
5015 use the M_ macros. External code (including the openssl utility)
5016 should *NOT* in order to be "shared library friendly".
5019 *) Add various functions that can check a certificate's extensions
5020 to see if it usable for various purposes such as SSL client,
5021 server or S/MIME and CAs of these types. This is currently
5022 VERY EXPERIMENTAL but will ultimately be used for certificate chain
5023 verification. Also added a -purpose flag to x509 utility to
5024 print out all the purposes.
5027 *) Add a CRYPTO_EX_DATA to X509 certificate structure and associated
5031 *) New X509V3_{X509,CRL,REVOKED}_get_d2i() functions. These will search
5032 for, obtain and decode and extension and obtain its critical flag.
5033 This allows all the necessary extension code to be handled in a
5034 single function call.
5037 *) RC4 tune-up featuring 30-40% performance improvement on most RISC
5038 platforms. See crypto/rc4/rc4_enc.c for further details.
5041 *) New -noout option to asn1parse. This causes no output to be produced
5042 its main use is when combined with -strparse and -out to extract data
5043 from a file (which may not be in ASN.1 format).
5046 *) Fix for pkcs12 program. It was hashing an invalid certificate pointer
5047 when producing the local key id.
5048 [Richard Levitte <levitte@stacken.kth.se>]
5050 *) New option -dhparam in s_server. This allows a DH parameter file to be
5051 stated explicitly. If it is not stated then it tries the first server
5052 certificate file. The previous behaviour hard coded the filename
5056 *) Add -pubin and -pubout options to the rsa and dsa commands. These allow
5057 a public key to be input or output. For example:
5058 openssl rsa -in key.pem -pubout -out pubkey.pem
5059 Also added necessary DSA public key functions to handle this.
5062 *) Fix so PKCS7_dataVerify() doesn't crash if no certificates are contained
5063 in the message. This was handled by allowing
5064 X509_find_by_issuer_and_serial() to tolerate a NULL passed to it.
5065 [Steve Henson, reported by Sampo Kellomaki <sampo@mail.neuronio.pt>]
5067 *) Fix for bug in d2i_ASN1_bytes(): other ASN1 functions add an extra null
5068 to the end of the strings whereas this didn't. This would cause problems
5069 if strings read with d2i_ASN1_bytes() were later modified.
5070 [Steve Henson, reported by Arne Ansper <arne@ats.cyber.ee>]
5072 *) Fix for base64 decode bug. When a base64 bio reads only one line of
5073 data and it contains EOF it will end up returning an error. This is
5074 caused by input 46 bytes long. The cause is due to the way base64
5075 BIOs find the start of base64 encoded data. They do this by trying a
5076 trial decode on each line until they find one that works. When they
5077 do a flag is set and it starts again knowing it can pass all the
5078 data directly through the decoder. Unfortunately it doesn't reset
5079 the context it uses. This means that if EOF is reached an attempt
5080 is made to pass two EOFs through the context and this causes the
5081 resulting error. This can also cause other problems as well. As is
5082 usual with these problems it takes *ages* to find and the fix is
5083 trivial: move one line.
5084 [Steve Henson, reported by ian@uns.ns.ac.yu (Ivan Nejgebauer) ]
5086 *) Ugly workaround to get s_client and s_server working under Windows. The
5087 old code wouldn't work because it needed to select() on sockets and the
5088 tty (for keypresses and to see if data could be written). Win32 only
5089 supports select() on sockets so we select() with a 1s timeout on the
5090 sockets and then see if any characters are waiting to be read, if none
5091 are present then we retry, we also assume we can always write data to
5092 the tty. This isn't nice because the code then blocks until we've
5093 received a complete line of data and it is effectively polling the
5094 keyboard at 1s intervals: however it's quite a bit better than not
5095 working at all :-) A dedicated Windows application might handle this
5096 with an event loop for example.
5099 *) Enhance RSA_METHOD structure. Now there are two extra methods, rsa_sign
5100 and rsa_verify. When the RSA_FLAGS_SIGN_VER option is set these functions
5101 will be called when RSA_sign() and RSA_verify() are used. This is useful
5102 if rsa_pub_dec() and rsa_priv_enc() equivalents are not available.
5103 For this to work properly RSA_public_decrypt() and RSA_private_encrypt()
5104 should *not* be used: RSA_sign() and RSA_verify() must be used instead.
5105 This necessitated the support of an extra signature type NID_md5_sha1
5106 for SSL signatures and modifications to the SSL library to use it instead
5107 of calling RSA_public_decrypt() and RSA_private_encrypt().
5110 *) Add new -verify -CAfile and -CApath options to the crl program, these
5111 will lookup a CRL issuers certificate and verify the signature in a
5112 similar way to the verify program. Tidy up the crl program so it
5113 no longer accesses structures directly. Make the ASN1 CRL parsing a bit
5114 less strict. It will now permit CRL extensions even if it is not
5115 a V2 CRL: this will allow it to tolerate some broken CRLs.
5118 *) Initialize all non-automatic variables each time one of the openssl
5119 sub-programs is started (this is necessary as they may be started
5120 multiple times from the "OpenSSL>" prompt).
5121 [Lennart Bang, Bodo Moeller]
5123 *) Preliminary compilation option RSA_NULL which disables RSA crypto without
5124 removing all other RSA functionality (this is what NO_RSA does). This
5125 is so (for example) those in the US can disable those operations covered
5126 by the RSA patent while allowing storage and parsing of RSA keys and RSA
5130 *) Non-copying interface to BIO pairs.
5131 (still largely untested)
5134 *) New function ANS1_tag2str() to convert an ASN1 tag to a descriptive
5135 ASCII string. This was handled independently in various places before.
5138 *) New functions UTF8_getc() and UTF8_putc() that parse and generate
5139 UTF8 strings a character at a time.
5142 *) Use client_version from client hello to select the protocol
5143 (s23_srvr.c) and for RSA client key exchange verification
5144 (s3_srvr.c), as required by the SSL 3.0/TLS 1.0 specifications.
5147 *) Add various utility functions to handle SPKACs, these were previously
5148 handled by poking round in the structure internals. Added new function
5149 NETSCAPE_SPKI_print() to print out SPKAC and a new utility 'spkac' to
5150 print, verify and generate SPKACs. Based on an original idea from
5151 Massimiliano Pala <madwolf@comune.modena.it> but extensively modified.
5154 *) RIPEMD160 is operational on all platforms and is back in 'make test'.
5157 *) Allow the config file extension section to be overwritten on the
5158 command line. Based on an original idea from Massimiliano Pala
5159 <madwolf@comune.modena.it>. The new option is called -extensions
5160 and can be applied to ca, req and x509. Also -reqexts to override
5161 the request extensions in req and -crlexts to override the crl extensions
5165 *) Add new feature to the SPKAC handling in ca. Now you can include
5166 the same field multiple times by preceding it by "XXXX." for example:
5169 this is the same syntax as used in the req config file.
5172 *) Allow certificate extensions to be added to certificate requests. These
5173 are specified in a 'req_extensions' option of the req section of the
5174 config file. They can be printed out with the -text option to req but
5175 are otherwise ignored at present.
5178 *) Fix a horrible bug in enc_read() in crypto/evp/bio_enc.c: if the first
5179 data read consists of only the final block it would not decrypted because
5180 EVP_CipherUpdate() would correctly report zero bytes had been decrypted.
5181 A misplaced 'break' also meant the decrypted final block might not be
5182 copied until the next read.
5185 *) Initial support for DH_METHOD. Again based on RSA_METHOD. Also added
5186 a few extra parameters to the DH structure: these will be useful if
5187 for example we want the value of 'q' or implement X9.42 DH.
5190 *) Initial support for DSA_METHOD. This is based on the RSA_METHOD and
5191 provides hooks that allow the default DSA functions or functions on a
5192 "per key" basis to be replaced. This allows hardware acceleration and
5193 hardware key storage to be handled without major modification to the
5194 library. Also added low level modexp hooks and CRYPTO_EX structure and
5195 associated functions.
5198 *) Add a new flag to memory BIOs, BIO_FLAG_MEM_RDONLY. This marks the BIO
5199 as "read only": it can't be written to and the buffer it points to will
5200 not be freed. Reading from a read only BIO is much more efficient than
5201 a normal memory BIO. This was added because there are several times when
5202 an area of memory needs to be read from a BIO. The previous method was
5203 to create a memory BIO and write the data to it, this results in two
5204 copies of the data and an O(n^2) reading algorithm. There is a new
5205 function BIO_new_mem_buf() which creates a read only memory BIO from
5206 an area of memory. Also modified the PKCS#7 routines to use read only
5210 *) Bugfix: ssl23_get_client_hello did not work properly when called in
5211 state SSL23_ST_SR_CLNT_HELLO_B, i.e. when the first 7 bytes of
5212 a SSLv2-compatible client hello for SSLv3 or TLSv1 could be read,
5213 but a retry condition occured while trying to read the rest.
5216 *) The PKCS7_ENC_CONTENT_new() function was setting the content type as
5217 NID_pkcs7_encrypted by default: this was wrong since this should almost
5218 always be NID_pkcs7_data. Also modified the PKCS7_set_type() to handle
5219 the encrypted data type: this is a more sensible place to put it and it
5220 allows the PKCS#12 code to be tidied up that duplicated this
5224 *) Changed obj_dat.pl script so it takes its input and output files on
5225 the command line. This should avoid shell escape redirection problems
5229 *) Initial support for certificate extension requests, these are included
5230 in things like Xenroll certificate requests. Included functions to allow
5231 extensions to be obtained and added.
5234 *) -crlf option to s_client and s_server for sending newlines as
5235 CRLF (as required by many protocols).
5238 Changes between 0.9.3a and 0.9.4 [09 Aug 1999]
5240 *) Install libRSAglue.a when OpenSSL is built with RSAref.
5241 [Ralf S. Engelschall]
5243 *) A few more ``#ifndef NO_FP_API / #endif'' pairs for consistency.
5244 [Andrija Antonijevic <TheAntony2@bigfoot.com>]
5246 *) Fix -startdate and -enddate (which was missing) arguments to 'ca'
5250 *) New function DSA_dup_DH, which duplicates DSA parameters/keys as
5251 DH parameters/keys (q is lost during that conversion, but the resulting
5252 DH parameters contain its length).
5254 For 1024-bit p, DSA_generate_parameters followed by DSA_dup_DH is
5255 much faster than DH_generate_parameters (which creates parameters
5256 where p = 2*q + 1), and also the smaller q makes DH computations
5257 much more efficient (160-bit exponentiation instead of 1024-bit
5258 exponentiation); so this provides a convenient way to support DHE
5259 ciphersuites in SSL/TLS servers (see ssl/ssltest.c). It is of
5260 utter importance to use
5261 SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
5263 SSL_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
5264 when such DH parameters are used, because otherwise small subgroup
5265 attacks may become possible!
5268 *) Avoid memory leak in i2d_DHparams.
5271 *) Allow the -k option to be used more than once in the enc program:
5272 this allows the same encrypted message to be read by multiple recipients.
5275 *) New function OBJ_obj2txt(buf, buf_len, a, no_name), this converts
5276 an ASN1_OBJECT to a text string. If the "no_name" parameter is set then
5277 it will always use the numerical form of the OID, even if it has a short
5281 *) Added an extra RSA flag: RSA_FLAG_EXT_PKEY. Previously the rsa_mod_exp
5282 method only got called if p,q,dmp1,dmq1,iqmp components were present,
5283 otherwise bn_mod_exp was called. In the case of hardware keys for example
5284 no private key components need be present and it might store extra data
5285 in the RSA structure, which cannot be accessed from bn_mod_exp.
5286 By setting RSA_FLAG_EXT_PKEY rsa_mod_exp will always be called for
5287 private key operations.
5290 *) Added support for SPARC Linux.
5293 *) pem_password_cb function type incompatibly changed from
5294 typedef int pem_password_cb(char *buf, int size, int rwflag);
5296 ....(char *buf, int size, int rwflag, void *userdata);
5297 so that applications can pass data to their callbacks:
5298 The PEM[_ASN1]_{read,write}... functions and macros now take an
5299 additional void * argument, which is just handed through whenever
5300 the password callback is called.
5301 [Damien Miller <dmiller@ilogic.com.au>; tiny changes by Bodo Moeller]
5303 New function SSL_CTX_set_default_passwd_cb_userdata.
5305 Compatibility note: As many C implementations push function arguments
5306 onto the stack in reverse order, the new library version is likely to
5307 interoperate with programs that have been compiled with the old
5308 pem_password_cb definition (PEM_whatever takes some data that
5309 happens to be on the stack as its last argument, and the callback
5310 just ignores this garbage); but there is no guarantee whatsoever that
5313 *) The -DPLATFORM="\"$(PLATFORM)\"" definition and the similar -DCFLAGS=...
5314 (both in crypto/Makefile.ssl for use by crypto/cversion.c) caused
5315 problems not only on Windows, but also on some Unix platforms.
5316 To avoid problematic command lines, these definitions are now in an
5317 auto-generated file crypto/buildinf.h (created by crypto/Makefile.ssl
5318 for standard "make" builds, by util/mk1mf.pl for "mk1mf" builds).
5321 *) MIPS III/IV assembler module is reimplemented.
5324 *) More DES library cleanups: remove references to srand/rand and
5325 delete an unused file.
5328 *) Add support for the the free Netwide assembler (NASM) under Win32,
5329 since not many people have MASM (ml) and it can be hard to obtain.
5330 This is currently experimental but it seems to work OK and pass all
5331 the tests. Check out INSTALL.W32 for info.
5334 *) Fix memory leaks in s3_clnt.c: All non-anonymous SSL3/TLS1 connections
5335 without temporary keys kept an extra copy of the server key,
5336 and connections with temporary keys did not free everything in case
5340 *) New function RSA_check_key and new openssl rsa option -check
5341 for verifying the consistency of RSA keys.
5342 [Ulf Moeller, Bodo Moeller]
5344 *) Various changes to make Win32 compile work:
5345 1. Casts to avoid "loss of data" warnings in p5_crpt2.c
5346 2. Change unsigned int to int in b_dump.c to avoid "signed/unsigned
5347 comparison" warnings.
5348 3. Add sk_<TYPE>_sort to DEF file generator and do make update.
5351 *) Add a debugging option to PKCS#5 v2 key generation function: when
5352 you #define DEBUG_PKCS5V2 passwords, salts, iteration counts and
5353 derived keys are printed to stderr.
5356 *) Copy the flags in ASN1_STRING_dup().
5357 [Roman E. Pavlov <pre@mo.msk.ru>]
5359 *) The x509 application mishandled signing requests containing DSA
5360 keys when the signing key was also DSA and the parameters didn't match.
5362 It was supposed to omit the parameters when they matched the signing key:
5363 the verifying software was then supposed to automatically use the CA's
5364 parameters if they were absent from the end user certificate.
5366 Omitting parameters is no longer recommended. The test was also
5367 the wrong way round! This was probably due to unusual behaviour in
5368 EVP_cmp_parameters() which returns 1 if the parameters match.
5369 This meant that parameters were omitted when they *didn't* match and
5370 the certificate was useless. Certificates signed with 'ca' didn't have
5372 [Steve Henson, reported by Doug Erickson <Doug.Erickson@Part.NET>]
5374 *) Memory leak checking (-DCRYPTO_MDEBUG) had some problems.
5375 The interface is as follows:
5376 Applications can use
5377 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON) aka MemCheck_start(),
5378 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF) aka MemCheck_stop();
5379 "off" is now the default.
5380 The library internally uses
5381 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE) aka MemCheck_off(),
5382 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE) aka MemCheck_on()
5383 to disable memory-checking temporarily.
5385 Some inconsistent states that previously were possible (and were
5386 even the default) are now avoided.
5388 -DCRYPTO_MDEBUG_TIME is new and additionally stores the current time
5389 with each memory chunk allocated; this is occasionally more helpful
5390 than just having a counter.
5392 -DCRYPTO_MDEBUG_THREAD is also new and adds the thread ID.
5394 -DCRYPTO_MDEBUG_ALL enables all of the above, plus any future
5398 *) Introduce "mode" for SSL structures (with defaults in SSL_CTX),
5399 which largely parallels "options", but is for changing API behaviour,
5400 whereas "options" are about protocol behaviour.
5401 Initial "mode" flags are:
5403 SSL_MODE_ENABLE_PARTIAL_WRITE Allow SSL_write to report success when
5404 a single record has been written.
5405 SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER Don't insist that SSL_write
5406 retries use the same buffer location.
5407 (But all of the contents must be
5411 *) Bugfix: SSL_set_options ignored its parameter, only SSL_CTX_set_options
5414 *) Fix problems with no-hmac etc.
5415 [Ulf Möller, pointed out by Brian Wellington <bwelling@tislabs.com>]
5417 *) New functions RSA_get_default_method(), RSA_set_method() and
5418 RSA_get_method(). These allows replacement of RSA_METHODs without having
5419 to mess around with the internals of an RSA structure.
5422 *) Fix memory leaks in DSA_do_sign and DSA_is_prime.
5423 Also really enable memory leak checks in openssl.c and in some
5425 [Chad C. Mulligan, Bodo Moeller]
5427 *) Fix a bug in d2i_ASN1_INTEGER() and i2d_ASN1_INTEGER() which can mess
5428 up the length of negative integers. This has now been simplified to just
5429 store the length when it is first determined and use it later, rather
5430 than trying to keep track of where data is copied and updating it to
5432 [Steve Henson, reported by Brien Wheeler
5433 <bwheeler@authentica-security.com>]
5435 *) Add a new function PKCS7_signatureVerify. This allows the verification
5436 of a PKCS#7 signature but with the signing certificate passed to the
5437 function itself. This contrasts with PKCS7_dataVerify which assumes the
5438 certificate is present in the PKCS#7 structure. This isn't always the
5439 case: certificates can be omitted from a PKCS#7 structure and be
5440 distributed by "out of band" means (such as a certificate database).
5443 *) Complete the PEM_* macros with DECLARE_PEM versions to replace the
5444 function prototypes in pem.h, also change util/mkdef.pl to add the
5445 necessary function names.
5448 *) mk1mf.pl (used by Windows builds) did not properly read the
5449 options set by Configure in the top level Makefile, and Configure
5450 was not even able to write more than one option correctly.
5451 Fixed, now "no-idea no-rc5 -DCRYPTO_MDEBUG" etc. works as intended.
5454 *) New functions CONF_load_bio() and CONF_load_fp() to allow a config
5455 file to be loaded from a BIO or FILE pointer. The BIO version will
5456 for example allow memory BIOs to contain config info.
5459 *) New function "CRYPTO_num_locks" that returns CRYPTO_NUM_LOCKS.
5460 Whoever hopes to achieve shared-library compatibility across versions
5461 must use this, not the compile-time macro.
5462 (Exercise 0.9.4: Which is the minimum library version required by
5464 Note: All this applies only to multi-threaded programs, others don't
5468 *) Add missing case to s3_clnt.c state machine -- one of the new SSL tests
5469 through a BIO pair triggered the default case, i.e.
5470 SSLerr(...,SSL_R_UNKNOWN_STATE).
5473 *) New "BIO pair" concept (crypto/bio/bss_bio.c) so that applications
5474 can use the SSL library even if none of the specific BIOs is
5478 *) Fix a bug in i2d_DSAPublicKey() which meant it returned the wrong value
5479 for the encoded length.
5480 [Jeon KyoungHo <khjeon@sds.samsung.co.kr>]
5482 *) Add initial documentation of the X509V3 functions.
5485 *) Add a new pair of functions PEM_write_PKCS8PrivateKey() and
5486 PEM_write_bio_PKCS8PrivateKey() that are equivalent to
5487 PEM_write_PrivateKey() and PEM_write_bio_PrivateKey() but use the more
5488 secure PKCS#8 private key format with a high iteration count.
5491 *) Fix determination of Perl interpreter: A perl or perl5
5492 _directory_ in $PATH was also accepted as the interpreter.
5493 [Ralf S. Engelschall]
5495 *) Fix demos/sign/sign.c: well there wasn't anything strictly speaking
5496 wrong with it but it was very old and did things like calling
5497 PEM_ASN1_read() directly and used MD5 for the hash not to mention some
5501 *) Fix demos/selfsign.c: it used obsolete and deleted functions, changed
5502 to use the new extension code.
5505 *) Implement the PEM_read/PEM_write functions in crypto/pem/pem_all.c
5506 with macros. This should make it easier to change their form, add extra
5507 arguments etc. Fix a few PEM prototypes which didn't have cipher as a
5511 *) Add to configuration table a new entry that can specify an alternative
5512 name for unistd.h (for pre-POSIX systems); we need this for NeXTstep,
5513 according to Mark Crispin <MRC@Panda.COM>.
5517 *) DES CBC did not update the IV. Weird.
5520 des_cbc_encrypt does not update the IV, but des_ncbc_encrypt does.
5521 Changing the behaviour of the former might break existing programs --
5522 where IV updating is needed, des_ncbc_encrypt can be used.
5525 *) When bntest is run from "make test" it drives bc to check its
5526 calculations, as well as internally checking them. If an internal check
5527 fails, it needs to cause bc to give a non-zero result or make test carries
5528 on without noticing the failure. Fixed.
5531 *) DES library cleanups.
5534 *) Add support for PKCS#5 v2.0 PBE algorithms. This will permit PKCS#8 to be
5535 used with any cipher unlike PKCS#5 v1.5 which can at most handle 64 bit
5536 ciphers. NOTE: although the key derivation function has been verified
5537 against some published test vectors it has not been extensively tested
5538 yet. Added a -v2 "cipher" option to pkcs8 application to allow the use
5542 *) Instead of "mkdir -p", which is not fully portable, use new
5543 Perl script "util/mkdir-p.pl".
5546 *) Rewrite the way password based encryption (PBE) is handled. It used to
5547 assume that the ASN1 AlgorithmIdentifier parameter was a PBEParameter
5548 structure. This was true for the PKCS#5 v1.5 and PKCS#12 PBE algorithms
5549 but doesn't apply to PKCS#5 v2.0 where it can be something else. Now
5550 the 'parameter' field of the AlgorithmIdentifier is passed to the
5551 underlying key generation function so it must do its own ASN1 parsing.
5552 This has also changed the EVP_PBE_CipherInit() function which now has a
5553 'parameter' argument instead of literal salt and iteration count values
5554 and the function EVP_PBE_ALGOR_CipherInit() has been deleted.
5557 *) Support for PKCS#5 v1.5 compatible password based encryption algorithms
5558 and PKCS#8 functionality. New 'pkcs8' application linked to openssl.
5559 Needed to change the PEM_STRING_EVP_PKEY value which was just "PRIVATE
5560 KEY" because this clashed with PKCS#8 unencrypted string. Since this
5561 value was just used as a "magic string" and not used directly its
5562 value doesn't matter.
5565 *) Introduce some semblance of const correctness to BN. Shame C doesn't
5569 *) "linux-sparc64" configuration (ultrapenguin).
5570 [Ray Miller <ray.miller@oucs.ox.ac.uk>]
5571 "linux-sparc" configuration.
5572 [Christian Forster <fo@hawo.stw.uni-erlangen.de>]
5574 *) config now generates no-xxx options for missing ciphers.
5577 *) Support the EBCDIC character set (work in progress).
5578 File ebcdic.c not yet included because it has a different license.
5579 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>]
5581 *) Support BS2000/OSD-POSIX.
5582 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>]
5584 *) Make callbacks for key generation use void * instead of char *.
5587 *) Make S/MIME samples compile (not yet tested).
5590 *) Additional typesafe stacks.
5593 *) New configuration variants "bsdi-elf-gcc" (BSD/OS 4.x).
5597 Changes between 0.9.3 and 0.9.3a [29 May 1999]
5599 *) New configuration variant "sco5-gcc".
5601 *) Updated some demos.
5602 [Sean O Riordain, Wade Scholine]
5604 *) Add missing BIO_free at exit of pkcs12 application.
5607 *) Fix memory leak in conf.c.
5610 *) Updates for Win32 to assembler version of MD5.
5613 *) Set #! path to perl in apps/der_chop to where we found it
5614 instead of using a fixed path.
5617 *) SHA library changes for irix64-mips4-cc.
5620 *) Improvements for VMS support.
5624 Changes between 0.9.2b and 0.9.3 [24 May 1999]
5626 *) Bignum library bug fix. IRIX 6 passes "make test" now!
5627 This also avoids the problems with SC4.2 and unpatched SC5.
5628 [Andy Polyakov <appro@fy.chalmers.se>]
5630 *) New functions sk_num, sk_value and sk_set to replace the previous macros.
5631 These are required because of the typesafe stack would otherwise break
5632 existing code. If old code used a structure member which used to be STACK
5633 and is now STACK_OF (for example cert in a PKCS7_SIGNED structure) with
5634 sk_num or sk_value it would produce an error because the num, data members
5635 are not present in STACK_OF. Now it just produces a warning. sk_set
5636 replaces the old method of assigning a value to sk_value
5637 (e.g. sk_value(x, i) = y) which the library used in a few cases. Any code
5638 that does this will no longer work (and should use sk_set instead) but
5639 this could be regarded as a "questionable" behaviour anyway.
5642 *) Fix most of the other PKCS#7 bugs. The "experimental" code can now
5643 correctly handle encrypted S/MIME data.
5646 *) Change type of various DES function arguments from des_cblock
5647 (which means, in function argument declarations, pointer to char)
5648 to des_cblock * (meaning pointer to array with 8 char elements),
5649 which allows the compiler to do more typechecking; it was like
5650 that back in SSLeay, but with lots of ugly casts.
5652 Introduce new type const_des_cblock.
5655 *) Reorganise the PKCS#7 library and get rid of some of the more obvious
5656 problems: find RecipientInfo structure that matches recipient certificate
5657 and initialise the ASN1 structures properly based on passed cipher.
5660 *) Belatedly make the BN tests actually check the results.
5663 *) Fix the encoding and decoding of negative ASN1 INTEGERS and conversion
5664 to and from BNs: it was completely broken. New compilation option
5665 NEG_PUBKEY_BUG to allow for some broken certificates that encode public
5666 key elements as negative integers.
5669 *) Reorganize and speed up MD5.
5670 [Andy Polyakov <appro@fy.chalmers.se>]
5673 [Richard Levitte <richard@levitte.org>]
5675 *) New option -out to asn1parse to allow the parsed structure to be
5676 output to a file. This is most useful when combined with the -strparse
5677 option to examine the output of things like OCTET STRINGS.
5680 *) Make SSL library a little more fool-proof by not requiring any longer
5681 that SSL_set_{accept,connect}_state be called before
5682 SSL_{accept,connect} may be used (SSL_set_..._state is omitted
5683 in many applications because usually everything *appeared* to work as
5684 intended anyway -- now it really works as intended).
5687 *) Move openssl.cnf out of lib/.
5690 *) Fix various things to let OpenSSL even pass ``egcc -pipe -O2 -Wall
5691 -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes
5692 -Wmissing-declarations -Wnested-externs -Winline'' with EGCS 1.1.2+
5693 [Ralf S. Engelschall]
5695 *) Various fixes to the EVP and PKCS#7 code. It may now be able to
5696 handle PKCS#7 enveloped data properly.
5697 [Sebastian Akerman <sak@parallelconsulting.com>, modified by Steve]
5699 *) Create a duplicate of the SSL_CTX's CERT in SSL_new instead of
5700 copying pointers. The cert_st handling is changed by this in
5701 various ways (and thus what used to be known as ctx->default_cert
5702 is now called ctx->cert, since we don't resort to s->ctx->[default_]cert
5703 any longer when s->cert does not give us what we need).
5704 ssl_cert_instantiate becomes obsolete by this change.
5705 As soon as we've got the new code right (possibly it already is?),
5706 we have solved a couple of bugs of the earlier code where s->cert
5707 was used as if it could not have been shared with other SSL structures.
5709 Note that using the SSL API in certain dirty ways now will result
5710 in different behaviour than observed with earlier library versions:
5711 Changing settings for an SSL_CTX *ctx after having done s = SSL_new(ctx)
5712 does not influence s as it used to.
5714 In order to clean up things more thoroughly, inside SSL_SESSION
5715 we don't use CERT any longer, but a new structure SESS_CERT
5716 that holds per-session data (if available); currently, this is
5717 the peer's certificate chain and, for clients, the server's certificate
5718 and temporary key. CERT holds only those values that can have
5719 meaningful defaults in an SSL_CTX.
5722 *) New function X509V3_EXT_i2d() to create an X509_EXTENSION structure
5723 from the internal representation. Various PKCS#7 fixes: remove some
5724 evil casts and set the enc_dig_alg field properly based on the signing
5728 *) Allow PKCS#12 password to be set from the command line or the
5729 environment. Let 'ca' get its config file name from the environment
5730 variables "OPENSSL_CONF" or "SSLEAY_CONF" (for consistency with 'req'
5734 *) Allow certificate policies extension to use an IA5STRING for the
5735 organization field. This is contrary to the PKIX definition but
5736 VeriSign uses it and IE5 only recognises this form. Document 'x509'
5740 *) Add PEDANTIC compiler flag to allow compilation with gcc -pedantic,
5741 without disallowing inline assembler and the like for non-pedantic builds.
5744 *) Support Borland C++ builder.
5745 [Janez Jere <jj@void.si>, modified by Ulf Möller]
5750 *) SHA-1 cleanups and performance enhancements.
5751 [Andy Polyakov <appro@fy.chalmers.se>]
5753 *) Sparc v8plus assembler for the bignum library.
5754 [Andy Polyakov <appro@fy.chalmers.se>]
5756 *) Accept any -xxx and +xxx compiler options in Configure.
5759 *) Update HPUX configuration.
5762 *) Add missing sk_<type>_unshift() function to safestack.h
5763 [Ralf S. Engelschall]
5765 *) New function SSL_CTX_use_certificate_chain_file that sets the
5766 "extra_cert"s in addition to the certificate. (This makes sense
5767 only for "PEM" format files, as chains as a whole are not
5771 *) Support verify_depth from the SSL API.
5772 x509_vfy.c had what can be considered an off-by-one-error:
5773 Its depth (which was not part of the external interface)
5774 was actually counting the number of certificates in a chain;
5775 now it really counts the depth.
5778 *) Bugfix in crypto/x509/x509_cmp.c: The SSLerr macro was used
5779 instead of X509err, which often resulted in confusing error
5780 messages since the error codes are not globally unique
5781 (e.g. an alleged error in ssl3_accept when a certificate
5782 didn't match the private key).
5784 *) New function SSL_CTX_set_session_id_context that allows to set a default
5785 value (so that you don't need SSL_set_session_id_context for each
5786 connection using the SSL_CTX).
5789 *) OAEP decoding bug fix.
5792 *) Support INSTALL_PREFIX for package builders, as proposed by
5796 *) New Configure options "threads" and "no-threads". For systems
5797 where the proper compiler options are known (currently Solaris
5798 and Linux), "threads" is the default.
5801 *) New script util/mklink.pl as a faster substitute for util/mklink.sh.
5804 *) Install various scripts to $(OPENSSLDIR)/misc, not to
5805 $(INSTALLTOP)/bin -- they shouldn't clutter directories
5806 such as /usr/local/bin.
5809 *) "make linux-shared" to build shared libraries.
5810 [Niels Poppe <niels@netbox.org>]
5812 *) New Configure option no-<cipher> (rsa, idea, rc5, ...).
5815 *) Add the PKCS#12 API documentation to openssl.txt. Preliminary support for
5816 extension adding in x509 utility.
5819 *) Remove NOPROTO sections and error code comments.
5822 *) Partial rewrite of the DEF file generator to now parse the ANSI
5826 *) New Configure options --prefix=DIR and --openssldir=DIR.
5829 *) Complete rewrite of the error code script(s). It is all now handled
5830 by one script at the top level which handles error code gathering,
5831 header rewriting and C source file generation. It should be much better
5832 than the old method: it now uses a modified version of Ulf's parser to
5833 read the ANSI prototypes in all header files (thus the old K&R definitions
5834 aren't needed for error creation any more) and do a better job of
5835 translating function codes into names. The old 'ASN1 error code imbedded
5836 in a comment' is no longer necessary and it doesn't use .err files which
5837 have now been deleted. Also the error code call doesn't have to appear all
5838 on one line (which resulted in some large lines...).
5841 *) Change #include filenames from <foo.h> to <openssl/foo.h>.
5844 *) Change behaviour of ssl2_read when facing length-0 packets: Don't return
5845 0 (which usually indicates a closed connection), but continue reading.
5848 *) Fix some race conditions.
5851 *) Add support for CRL distribution points extension. Add Certificate
5852 Policies and CRL distribution points documentation.
5855 *) Move the autogenerated header file parts to crypto/opensslconf.h.
5858 *) Fix new 56-bit DES export ciphersuites: they were using 7 bytes instead of
5859 8 of keying material. Merlin has also confirmed interop with this fix
5860 between OpenSSL and Baltimore C/SSL 2.0 and J/SSL 2.0.
5861 [Merlin Hughes <merlin@baltimore.ie>]
5863 *) Fix lots of warnings.
5864 [Richard Levitte <levitte@stacken.kth.se>]
5866 *) In add_cert_dir() in crypto/x509/by_dir.c, break out of the loop if
5867 the directory spec didn't end with a LIST_SEPARATOR_CHAR.
5868 [Richard Levitte <levitte@stacken.kth.se>]
5870 *) Fix problems with sizeof(long) == 8.
5871 [Andy Polyakov <appro@fy.chalmers.se>]
5873 *) Change functions to ANSI C.
5876 *) Fix typos in error codes.
5877 [Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>, Ulf Möller]
5879 *) Remove defunct assembler files from Configure.
5882 *) SPARC v8 assembler BIGNUM implementation.
5883 [Andy Polyakov <appro@fy.chalmers.se>]
5885 *) Support for Certificate Policies extension: both print and set.
5886 Various additions to support the r2i method this uses.
5889 *) A lot of constification, and fix a bug in X509_NAME_oneline() that could
5890 return a const string when you are expecting an allocated buffer.
5893 *) Add support for ASN1 types UTF8String and VISIBLESTRING, also the CHOICE
5894 types DirectoryString and DisplayText.
5897 *) Add code to allow r2i extensions to access the configuration database,
5898 add an LHASH database driver and add several ctx helper functions.
5901 *) Fix an evil bug in bn_expand2() which caused various BN functions to
5902 fail when they extended the size of a BIGNUM.
5905 *) Various utility functions to handle SXNet extension. Modify mkdef.pl to
5906 support typesafe stack.
5909 *) Fix typo in SSL_[gs]et_options().
5910 [Nils Frostberg <nils@medcom.se>]
5912 *) Delete various functions and files that belonged to the (now obsolete)
5913 old X509V3 handling code.
5916 *) New Configure option "rsaref".
5919 *) Don't auto-generate pem.h.
5922 *) Introduce type-safe ASN.1 SETs.
5925 *) Convert various additional casted stacks to type-safe STACK_OF() variants.
5926 [Ben Laurie, Ralf S. Engelschall, Steve Henson]
5928 *) Introduce type-safe STACKs. This will almost certainly break lots of code
5929 that links with OpenSSL (well at least cause lots of warnings), but fear
5930 not: the conversion is trivial, and it eliminates loads of evil casts. A
5931 few STACKed things have been converted already. Feel free to convert more.
5932 In the fullness of time, I'll do away with the STACK type altogether.
5935 *) Add `openssl ca -revoke <certfile>' facility which revokes a certificate
5936 specified in <certfile> by updating the entry in the index.txt file.
5937 This way one no longer has to edit the index.txt file manually for
5938 revoking a certificate. The -revoke option does the gory details now.
5939 [Massimiliano Pala <madwolf@openca.org>, Ralf S. Engelschall]
5941 *) Fix `openssl crl -noout -text' combination where `-noout' killed the
5942 `-text' option at all and this way the `-noout -text' combination was
5943 inconsistent in `openssl crl' with the friends in `openssl x509|rsa|dsa'.
5944 [Ralf S. Engelschall]
5946 *) Make sure a corresponding plain text error message exists for the
5947 X509_V_ERR_CERT_REVOKED/23 error number which can occur when a
5948 verify callback function determined that a certificate was revoked.
5949 [Ralf S. Engelschall]
5951 *) Bugfix: In test/testenc, don't test "openssl <cipher>" for
5952 ciphers that were excluded, e.g. by -DNO_IDEA. Also, test
5953 all available cipers including rc5, which was forgotten until now.
5954 In order to let the testing shell script know which algorithms
5955 are available, a new (up to now undocumented) command
5956 "openssl list-cipher-commands" is used.
5959 *) Bugfix: s_client occasionally would sleep in select() when
5960 it should have checked SSL_pending() first.
5963 *) New functions DSA_do_sign and DSA_do_verify to provide access to
5964 the raw DSA values prior to ASN.1 encoding.
5967 *) Tweaks to Configure
5968 [Niels Poppe <niels@netbox.org>]
5970 *) Add support for PKCS#5 v2.0 ASN1 PBES2 structures. No other support,
5974 *) New variables $(RANLIB) and $(PERL) in the Makefiles.
5977 *) New config option to avoid instructions that are illegal on the 80386.
5978 The default code is faster, but requires at least a 486.
5981 *) Got rid of old SSL2_CLIENT_VERSION (inconsistently used) and
5982 SSL2_SERVER_VERSION (not used at all) macros, which are now the
5983 same as SSL2_VERSION anyway.
5986 *) New "-showcerts" option for s_client.
5989 *) Still more PKCS#12 integration. Add pkcs12 application to openssl
5990 application. Various cleanups and fixes.
5993 *) More PKCS#12 integration. Add new pkcs12 directory with Makefile.ssl and
5994 modify error routines to work internally. Add error codes and PBE init
5995 to library startup routines.
5998 *) Further PKCS#12 integration. Added password based encryption, PKCS#8 and
5999 packing functions to asn1 and evp. Changed function names and error
6000 codes along the way.
6003 *) PKCS12 integration: and so it begins... First of several patches to
6004 slowly integrate PKCS#12 functionality into OpenSSL. Add PKCS#12
6005 objects to objects.h
6008 *) Add a new 'indent' option to some X509V3 extension code. Initial ASN1
6009 and display support for Thawte strong extranet extension.
6012 *) Add LinuxPPC support.
6013 [Jeff Dubrule <igor@pobox.org>]
6015 *) Get rid of redundant BN file bn_mulw.c, and rename bn_div64 to
6016 bn_div_words in alpha.s.
6017 [Hannes Reinecke <H.Reinecke@hw.ac.uk> and Ben Laurie]
6019 *) Make sure the RSA OAEP test is skipped under -DRSAref because
6020 OAEP isn't supported when OpenSSL is built with RSAref.
6021 [Ulf Moeller <ulf@fitug.de>]
6023 *) Move definitions of IS_SET/IS_SEQUENCE inside crypto/asn1/asn1.h
6024 so they no longer are missing under -DNOPROTO.
6025 [Soren S. Jorvang <soren@t.dk>]
6028 Changes between 0.9.1c and 0.9.2b [22 Mar 1999]
6030 *) Make SSL_get_peer_cert_chain() work in servers. Unfortunately, it still
6031 doesn't work when the session is reused. Coming soon!
6034 *) Fix a security hole, that allows sessions to be reused in the wrong
6035 context thus bypassing client cert protection! All software that uses
6036 client certs and session caches in multiple contexts NEEDS PATCHING to
6037 allow session reuse! A fuller solution is in the works.
6038 [Ben Laurie, problem pointed out by Holger Reif, Bodo Moeller (and ???)]
6040 *) Some more source tree cleanups (removed obsolete files
6041 crypto/bf/asm/bf586.pl, test/test.txt and crypto/sha/asm/f.s; changed
6042 permission on "config" script to be executable) and a fix for the INSTALL
6044 [Ulf Moeller <ulf@fitug.de>]
6046 *) Remove some legacy and erroneous uses of malloc, free instead of
6048 [Lennart Bang <lob@netstream.se>, with minor changes by Steve]
6050 *) Make rsa_oaep_test return non-zero on error.
6051 [Ulf Moeller <ulf@fitug.de>]
6053 *) Add support for native Solaris shared libraries. Configure
6054 solaris-sparc-sc4-pic, make, then run shlib/solaris-sc4.sh. It'd be nice
6055 if someone would make that last step automatic.
6056 [Matthias Loepfe <Matthias.Loepfe@AdNovum.CH>]
6058 *) ctx_size was not built with the right compiler during "make links". Fixed.
6061 *) Change the meaning of 'ALL' in the cipher list. It now means "everything
6062 except NULL ciphers". This means the default cipher list will no longer
6063 enable NULL ciphers. They need to be specifically enabled e.g. with
6064 the string "DEFAULT:eNULL".
6067 *) Fix to RSA private encryption routines: if p < q then it would
6068 occasionally produce an invalid result. This will only happen with
6069 externally generated keys because OpenSSL (and SSLeay) ensure p > q.
6072 *) Be less restrictive and allow also `perl util/perlpath.pl
6073 /path/to/bin/perl' in addition to `perl util/perlpath.pl /path/to/bin',
6074 because this way one can also use an interpreter named `perl5' (which is
6075 usually the name of Perl 5.xxx on platforms where an Perl 4.x is still
6076 installed as `perl').
6077 [Matthias Loepfe <Matthias.Loepfe@adnovum.ch>]
6079 *) Let util/clean-depend.pl work also with older Perl 5.00x versions.
6080 [Matthias Loepfe <Matthias.Loepfe@adnovum.ch>]
6082 *) Fix Makefile.org so CC,CFLAG etc are passed to 'make links' add
6083 advapi32.lib to Win32 build and change the pem test comparision
6084 to fc.exe (thanks to Ulrich Kroener <kroneru@yahoo.com> for the
6085 suggestion). Fix misplaced ASNI prototypes and declarations in evp.h
6086 and crypto/des/ede_cbcm_enc.c.
6089 *) DES quad checksum was broken on big-endian architectures. Fixed.
6092 *) Comment out two functions in bio.h that aren't implemented. Fix up the
6093 Win32 test batch file so it (might) work again. The Win32 test batch file
6094 is horrible: I feel ill....
6097 *) Move various #ifdefs around so NO_SYSLOG, NO_DIRENT etc are now selected
6098 in e_os.h. Audit of header files to check ANSI and non ANSI
6099 sections: 10 functions were absent from non ANSI section and not exported
6100 from Windows DLLs. Fixed up libeay.num for new functions.
6103 *) Make `openssl version' output lines consistent.
6104 [Ralf S. Engelschall]
6106 *) Fix Win32 symbol export lists for BIO functions: Added
6107 BIO_get_ex_new_index, BIO_get_ex_num, BIO_get_ex_data and BIO_set_ex_data
6108 to ms/libeay{16,32}.def.
6109 [Ralf S. Engelschall]
6111 *) Second round of fixing the OpenSSL perl/ stuff. It now at least compiled
6112 fine under Unix and passes some trivial tests I've now added. But the
6113 whole stuff is horribly incomplete, so a README.1ST with a disclaimer was
6114 added to make sure no one expects that this stuff really works in the
6115 OpenSSL 0.9.2 release. Additionally I've started to clean the XS sources
6116 up and fixed a few little bugs and inconsistencies in OpenSSL.{pm,xs} and
6118 [Ralf S. Engelschall]
6120 *) Fix the generation of two part addresses in perl.
6121 [Kenji Miyake <kenji@miyake.org>, integrated by Ben Laurie]
6123 *) Add config entry for Linux on MIPS.
6124 [John Tobey <jtobey@channel1.com>]
6126 *) Make links whenever Configure is run, unless we are on Windoze.
6129 *) Permit extensions to be added to CRLs using crl_section in openssl.cnf.
6130 Currently only issuerAltName and AuthorityKeyIdentifier make any sense
6134 *) Add a useful kludge to allow package maintainers to specify compiler and
6135 other platforms details on the command line without having to patch the
6136 Configure script everytime: One now can use ``perl Configure
6137 <id>:<details>'', i.e. platform ids are allowed to have details appended
6138 to them (seperated by colons). This is treated as there would be a static
6139 pre-configured entry in Configure's %table under key <id> with value
6140 <details> and ``perl Configure <id>'' is called. So, when you want to
6141 perform a quick test-compile under FreeBSD 3.1 with pgcc and without
6142 assembler stuff you can use ``perl Configure "FreeBSD-elf:pgcc:-O6:::"''
6143 now, which overrides the FreeBSD-elf entry on-the-fly.
6144 [Ralf S. Engelschall]
6146 *) Disable new TLS1 ciphersuites by default: they aren't official yet.
6149 *) Allow DSO flags like -fpic, -fPIC, -KPIC etc. to be specified
6150 on the `perl Configure ...' command line. This way one can compile
6151 OpenSSL libraries with Position Independent Code (PIC) which is needed
6152 for linking it into DSOs.
6153 [Ralf S. Engelschall]
6155 *) Remarkably, export ciphers were totally broken and no-one had noticed!
6159 *) Cleaned up the LICENSE document: The official contact for any license
6160 questions now is the OpenSSL core team under openssl-core@openssl.org.
6161 And add a paragraph about the dual-license situation to make sure people
6162 recognize that _BOTH_ the OpenSSL license _AND_ the SSLeay license apply
6163 to the OpenSSL toolkit.
6164 [Ralf S. Engelschall]
6166 *) General source tree makefile cleanups: Made `making xxx in yyy...'
6167 display consistent in the source tree and replaced `/bin/rm' by `rm'.
6168 Additonally cleaned up the `make links' target: Remove unnecessary
6169 semicolons, subsequent redundant removes, inline point.sh into mklink.sh
6170 to speed processing and no longer clutter the display with confusing
6171 stuff. Instead only the actually done links are displayed.
6172 [Ralf S. Engelschall]
6174 *) Permit null encryption ciphersuites, used for authentication only. It used
6175 to be necessary to set the preprocessor define SSL_ALLOW_ENULL to do this.
6176 It is now necessary to set SSL_FORBID_ENULL to prevent the use of null
6180 *) Add a bunch of fixes to the PKCS#7 stuff. It used to sometimes reorder
6181 signed attributes when verifying signatures (this would break them),
6182 the detached data encoding was wrong and public keys obtained using
6183 X509_get_pubkey() weren't freed.
6186 *) Add text documentation for the BUFFER functions. Also added a work around
6187 to a Win95 console bug. This was triggered by the password read stuff: the
6188 last character typed gets carried over to the next fread(). If you were
6189 generating a new cert request using 'req' for example then the last
6190 character of the passphrase would be CR which would then enter the first
6194 *) Added the new `Includes OpenSSL Cryptography Software' button as
6195 doc/openssl_button.{gif,html} which is similar in style to the old SSLeay
6196 button and can be used by applications based on OpenSSL to show the
6197 relationship to the OpenSSL project.
6198 [Ralf S. Engelschall]
6200 *) Remove confusing variables in function signatures in files
6201 ssl/ssl_lib.c and ssl/ssl.h.
6202 [Lennart Bong <lob@kulthea.stacken.kth.se>]
6204 *) Don't install bss_file.c under PREFIX/include/
6205 [Lennart Bong <lob@kulthea.stacken.kth.se>]
6207 *) Get the Win32 compile working again. Modify mkdef.pl so it can handle
6208 functions that return function pointers and has support for NT specific
6209 stuff. Fix mk1mf.pl and VC-32.pl to support NT differences also. Various
6210 #ifdef WIN32 and WINNTs sprinkled about the place and some changes from
6211 unsigned to signed types: this was killing the Win32 compile.
6214 *) Add new certificate file to stack functions,
6215 SSL_add_dir_cert_subjects_to_stack() and
6216 SSL_add_file_cert_subjects_to_stack(). These largely supplant
6217 SSL_load_client_CA_file(), and can be used to add multiple certs easily
6218 to a stack (usually this is then handed to SSL_CTX_set_client_CA_list()).
6219 This means that Apache-SSL and similar packages don't have to mess around
6220 to add as many CAs as they want to the preferred list.
6223 *) Experiment with doxygen documentation. Currently only partially applied to
6225 See http://www.stack.nl/~dimitri/doxygen/index.html, and run doxygen with
6226 openssl.doxy as the configuration file.
6229 *) Get rid of remaining C++-style comments which strict C compilers hate.
6230 [Ralf S. Engelschall, pointed out by Carlos Amengual]
6232 *) Changed BN_RECURSION in bn_mont.c to BN_RECURSION_MONT so it is not
6233 compiled in by default: it has problems with large keys.
6236 *) Add a bunch of SSL_xxx() functions for configuring the temporary RSA and
6237 DH private keys and/or callback functions which directly correspond to
6238 their SSL_CTX_xxx() counterparts but work on a per-connection basis. This
6239 is needed for applications which have to configure certificates on a
6240 per-connection basis (e.g. Apache+mod_ssl) instead of a per-context basis
6242 For the RSA certificate situation is makes no difference, but
6243 for the DSA certificate situation this fixes the "no shared cipher"
6244 problem where the OpenSSL cipher selection procedure failed because the
6245 temporary keys were not overtaken from the context and the API provided
6246 no way to reconfigure them.
6247 The new functions now let applications reconfigure the stuff and they
6248 are in detail: SSL_need_tmp_RSA, SSL_set_tmp_rsa, SSL_set_tmp_dh,
6249 SSL_set_tmp_rsa_callback and SSL_set_tmp_dh_callback. Additionally a new
6250 non-public-API function ssl_cert_instantiate() is used as a helper
6251 function and also to reduce code redundancy inside ssl_rsa.c.
6252 [Ralf S. Engelschall]
6254 *) Move s_server -dcert and -dkey options out of the undocumented feature
6255 area because they are useful for the DSA situation and should be
6256 recognized by the users.
6257 [Ralf S. Engelschall]
6259 *) Fix the cipher decision scheme for export ciphers: the export bits are
6260 *not* within SSL_MKEY_MASK or SSL_AUTH_MASK, they are within
6261 SSL_EXP_MASK. So, the original variable has to be used instead of the
6262 already masked variable.
6263 [Richard Levitte <levitte@stacken.kth.se>]
6265 *) Fix 'port' variable from `int' to `unsigned int' in crypto/bio/b_sock.c
6266 [Richard Levitte <levitte@stacken.kth.se>]
6268 *) Change type of another md_len variable in pk7_doit.c:PKCS7_dataFinal()
6269 from `int' to `unsigned int' because it's a length and initialized by
6270 EVP_DigestFinal() which expects an `unsigned int *'.
6271 [Richard Levitte <levitte@stacken.kth.se>]
6273 *) Don't hard-code path to Perl interpreter on shebang line of Configure
6274 script. Instead use the usual Shell->Perl transition trick.
6275 [Ralf S. Engelschall]
6277 *) Make `openssl x509 -noout -modulus' functional also for DSA certificates
6278 (in addition to RSA certificates) to match the behaviour of `openssl dsa
6279 -noout -modulus' as it's already the case for `openssl rsa -noout
6280 -modulus'. For RSA the -modulus is the real "modulus" while for DSA
6281 currently the public key is printed (a decision which was already done by
6282 `openssl dsa -modulus' in the past) which serves a similar purpose.
6283 Additionally the NO_RSA no longer completely removes the whole -modulus
6284 option; it now only avoids using the RSA stuff. Same applies to NO_DSA
6286 [Ralf S. Engelschall]
6288 *) Add Arne Ansper's reliable BIO - this is an encrypted, block-digested
6289 BIO. See the source (crypto/evp/bio_ok.c) for more info.
6290 [Arne Ansper <arne@ats.cyber.ee>]
6292 *) Dump the old yucky req code that tried (and failed) to allow raw OIDs
6293 to be added. Now both 'req' and 'ca' can use new objects defined in the
6297 *) Add cool BIO that does syslog (or event log on NT).
6298 [Arne Ansper <arne@ats.cyber.ee>, integrated by Ben Laurie]
6300 *) Add support for new TLS ciphersuites, TLS_RSA_EXPORT56_WITH_RC4_56_MD5,
6301 TLS_RSA_EXPORT56_WITH_RC2_CBC_56_MD5 and
6302 TLS_RSA_EXPORT56_WITH_DES_CBC_SHA, as specified in "56-bit Export Cipher
6303 Suites For TLS", draft-ietf-tls-56-bit-ciphersuites-00.txt.
6306 *) Add preliminary config info for new extension code.
6309 *) Make RSA_NO_PADDING really use no padding.
6310 [Ulf Moeller <ulf@fitug.de>]
6312 *) Generate errors when private/public key check is done.
6315 *) Overhaul for 'crl' utility. New function X509_CRL_print. Partial support
6316 for some CRL extensions and new objects added.
6319 *) Really fix the ASN1 IMPLICIT bug this time... Partial support for private
6320 key usage extension and fuller support for authority key id.
6323 *) Add OAEP encryption for the OpenSSL crypto library. OAEP is the improved
6324 padding method for RSA, which is recommended for new applications in PKCS
6325 #1 v2.0 (RFC 2437, October 1998).
6326 OAEP (Optimal Asymmetric Encryption Padding) has better theoretical
6327 foundations than the ad-hoc padding used in PKCS #1 v1.5. It is secure
6328 against Bleichbacher's attack on RSA.
6329 [Ulf Moeller <ulf@fitug.de>, reformatted, corrected and integrated by
6332 *) Updates to the new SSL compression code
6333 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
6335 *) Fix so that the version number in the master secret, when passed
6336 via RSA, checks that if TLS was proposed, but we roll back to SSLv3
6337 (because the server will not accept higher), that the version number
6338 is 0x03,0x01, not 0x03,0x00
6339 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
6341 *) Run extensive memory leak checks on SSL apps. Fixed *lots* of memory
6342 leaks in ssl/ relating to new X509_get_pubkey() behaviour. Also fixes
6343 in apps/ and an unrelated leak in crypto/dsa/dsa_vrf.c
6346 *) Support for RAW extensions where an arbitrary extension can be
6347 created by including its DER encoding. See apps/openssl.cnf for
6351 *) Make sure latest Perl versions don't interpret some generated C array
6352 code as Perl array code in the crypto/err/err_genc.pl script.
6353 [Lars Weber <3weber@informatik.uni-hamburg.de>]
6355 *) Modify ms/do_ms.bat to not generate assembly language makefiles since
6356 not many people have the assembler. Various Win32 compilation fixes and
6357 update to the INSTALL.W32 file with (hopefully) more accurate Win32
6361 *) Modify configure script 'Configure' to automatically create crypto/date.h
6362 file under Win32 and also build pem.h from pem.org. New script
6363 util/mkfiles.pl to create the MINFO file on environments that can't do a
6364 'make files': perl util/mkfiles.pl >MINFO should work.
6367 *) Major rework of DES function declarations, in the pursuit of correctness
6368 and purity. As a result, many evil casts evaporated, and some weirdness,
6369 too. You may find this causes warnings in your code. Zapping your evil
6370 casts will probably fix them. Mostly.
6373 *) Fix for a typo in asn1.h. Bug fix to object creation script
6374 obj_dat.pl. It considered a zero in an object definition to mean
6375 "end of object": none of the objects in objects.h have any zeros
6376 so it wasn't spotted.
6377 [Steve Henson, reported by Erwann ABALEA <eabalea@certplus.com>]
6379 *) Add support for Triple DES Cipher Block Chaining with Output Feedback
6380 Masking (CBCM). In the absence of test vectors, the best I have been able
6381 to do is check that the decrypt undoes the encrypt, so far. Send me test
6382 vectors if you have them.
6385 *) Correct calculation of key length for export ciphers (too much space was
6386 allocated for null ciphers). This has not been tested!
6389 *) Modifications to the mkdef.pl for Win32 DEF file creation. The usage
6390 message is now correct (it understands "crypto" and "ssl" on its
6391 command line). There is also now an "update" option. This will update
6392 the util/ssleay.num and util/libeay.num files with any new functions.
6394 perl util/mkdef.pl crypto ssl update
6395 it will update them.
6398 *) Overhauled the Perl interface (perl/*):
6399 - ported BN stuff to OpenSSL's different BN library
6400 - made the perl/ source tree CVS-aware
6401 - renamed the package from SSLeay to OpenSSL (the files still contain
6402 their history because I've copied them in the repository)
6403 - removed obsolete files (the test scripts will be replaced
6404 by better Test::Harness variants in the future)
6405 [Ralf S. Engelschall]
6407 *) First cut for a very conservative source tree cleanup:
6408 1. merge various obsolete readme texts into doc/ssleay.txt
6409 where we collect the old documents and readme texts.
6410 2. remove the first part of files where I'm already sure that we no
6411 longer need them because of three reasons: either they are just temporary
6412 files which were left by Eric or they are preserved original files where
6413 I've verified that the diff is also available in the CVS via "cvs diff
6414 -rSSLeay_0_8_1b" or they were renamed (as it was definitely the case for
6415 the crypto/md/ stuff).
6416 [Ralf S. Engelschall]
6418 *) More extension code. Incomplete support for subject and issuer alt
6419 name, issuer and authority key id. Change the i2v function parameters
6420 and add an extra 'crl' parameter in the X509V3_CTX structure: guess
6421 what that's for :-) Fix to ASN1 macro which messed up
6422 IMPLICIT tag and add f_enum.c which adds a2i, i2a for ENUMERATED.
6425 *) Preliminary support for ENUMERATED type. This is largely copied from the
6429 *) Add new function, EVP_MD_CTX_copy() to replace frequent use of memcpy.
6430 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
6432 *) Make sure `make rehash' target really finds the `openssl' program.
6433 [Ralf S. Engelschall, Matthias Loepfe <Matthias.Loepfe@adnovum.ch>]
6435 *) Squeeze another 7% of speed out of MD5 assembler, at least on a P2. I'd
6436 like to hear about it if this slows down other processors.
6439 *) Add CygWin32 platform information to Configure script.
6440 [Alan Batie <batie@aahz.jf.intel.com>]
6442 *) Fixed ms/32all.bat script: `no_asm' -> `no-asm'
6443 [Rainer W. Gerling <gerling@mpg-gv.mpg.de>]
6445 *) New program nseq to manipulate netscape certificate sequences
6448 *) Modify crl2pkcs7 so it supports multiple -certfile arguments. Fix a
6452 *) Fixes to BN code. Previously the default was to define BN_RECURSION
6453 but the BN code had some problems that would cause failures when
6454 doing certificate verification and some other functions.
6455 [Eric A. Young, (from changes to C2Net SSLeay, integrated by Mark Cox)]
6457 *) Add ASN1 and PEM code to support netscape certificate sequences.
6460 *) Add ASN1 and PEM code to support netscape certificate sequences.
6463 *) Add several PKIX and private extended key usage OIDs.
6466 *) Modify the 'ca' program to handle the new extension code. Modify
6467 openssl.cnf for new extension format, add comments.
6470 *) More X509 V3 changes. Fix typo in v3_bitstr.c. Add support to 'req'
6471 and add a sample to openssl.cnf so req -x509 now adds appropriate
6475 *) Continued X509 V3 changes. Add to other makefiles, integrate with the
6476 error code, add initial support to X509_print() and x509 application.
6479 *) Takes a deep breath and start addding X509 V3 extension support code. Add
6480 files in crypto/x509v3. Move original stuff to crypto/x509v3/old. All this
6481 stuff is currently isolated and isn't even compiled yet.
6484 *) Continuing patches for GeneralizedTime. Fix up certificate and CRL
6485 ASN1 to use ASN1_TIME and modify print routines to use ASN1_TIME_print.
6486 Removed the versions check from X509 routines when loading extensions:
6487 this allows certain broken certificates that don't set the version
6488 properly to be processed.
6491 *) Deal with irritating shit to do with dependencies, in YAAHW (Yet Another
6492 Ad Hoc Way) - Makefile.ssls now all contain local dependencies, which
6493 can still be regenerated with "make depend".
6496 *) Spelling mistake in C version of CAST-128.
6497 [Ben Laurie, reported by Jeremy Hylton <jeremy@cnri.reston.va.us>]
6499 *) Changes to the error generation code. The perl script err-code.pl
6500 now reads in the old error codes and retains the old numbers, only
6501 adding new ones if necessary. It also only changes the .err files if new
6502 codes are added. The makefiles have been modified to only insert errors
6503 when needed (to avoid needlessly modifying header files). This is done
6504 by only inserting errors if the .err file is newer than the auto generated
6505 C file. To rebuild all the error codes from scratch (the old behaviour)
6506 either modify crypto/Makefile.ssl to pass the -regen flag to err_code.pl
6507 or delete all the .err files.
6510 *) CAST-128 was incorrectly implemented for short keys. The C version has
6511 been fixed, but is untested. The assembler versions are also fixed, but
6512 new assembler HAS NOT BEEN GENERATED FOR WIN32 - the Makefile needs fixing
6513 to regenerate it if needed.
6514 [Ben Laurie, reported (with fix for C version) by Jun-ichiro itojun
6515 Hagino <itojun@kame.net>]
6517 *) File was opened incorrectly in randfile.c.
6518 [Ulf Möller <ulf@fitug.de>]
6520 *) Beginning of support for GeneralizedTime. d2i, i2d, check and print
6521 functions. Also ASN1_TIME suite which is a CHOICE of UTCTime or
6522 GeneralizedTime. ASN1_TIME is the proper type used in certificates et
6523 al: it's just almost always a UTCTime. Note this patch adds new error
6524 codes so do a "make errors" if there are problems.
6527 *) Correct Linux 1 recognition in config.
6528 [Ulf Möller <ulf@fitug.de>]
6530 *) Remove pointless MD5 hash when using DSA keys in ca.
6531 [Anonymous <nobody@replay.com>]
6533 *) Generate an error if given an empty string as a cert directory. Also
6534 generate an error if handed NULL (previously returned 0 to indicate an
6535 error, but didn't set one).
6536 [Ben Laurie, reported by Anonymous <nobody@replay.com>]
6538 *) Add prototypes to SSL methods. Make SSL_write's buffer const, at last.
6541 *) Fix the dummy function BN_ref_mod_exp() in rsaref.c to have the correct
6542 parameters. This was causing a warning which killed off the Win32 compile.
6545 *) Remove C++ style comments from crypto/bn/bn_local.h.
6546 [Neil Costigan <neil.costigan@celocom.com>]
6548 *) The function OBJ_txt2nid was broken. It was supposed to return a nid
6549 based on a text string, looking up short and long names and finally
6550 "dot" format. The "dot" format stuff didn't work. Added new function
6551 OBJ_txt2obj to do the same but return an ASN1_OBJECT and rewrote
6552 OBJ_txt2nid to use it. OBJ_txt2obj can also return objects even if the
6553 OID is not part of the table.
6556 *) Add prototypes to X509 lookup/verify methods, fixing a bug in
6557 X509_LOOKUP_by_alias().
6560 *) Sort openssl functions by name.
6563 *) Get the gendsa program working (hopefully) and add it to app list. Remove
6564 encryption from sample DSA keys (in case anyone is interested the password
6568 *) Make _all_ *_free functions accept a NULL pointer.
6569 [Frans Heymans <fheymans@isaserver.be>]
6571 *) If a DH key is generated in s3_srvr.c, don't blow it by trying to use
6573 [Anonymous <nobody@replay.com>]
6575 *) s_server should send the CAfile as acceptable CAs, not its own cert.
6576 [Bodo Moeller <3moeller@informatik.uni-hamburg.de>]
6578 *) Don't blow it for numeric -newkey arguments to apps/req.
6579 [Bodo Moeller <3moeller@informatik.uni-hamburg.de>]
6581 *) Temp key "for export" tests were wrong in s3_srvr.c.
6582 [Anonymous <nobody@replay.com>]
6584 *) Add prototype for temp key callback functions
6585 SSL_CTX_set_tmp_{rsa,dh}_callback().
6588 *) Make DH_free() tolerate being passed a NULL pointer (like RSA_free() and
6589 DSA_free()). Make X509_PUBKEY_set() check for errors in d2i_PublicKey().
6592 *) X509_name_add_entry() freed the wrong thing after an error.
6593 [Arne Ansper <arne@ats.cyber.ee>]
6595 *) rsa_eay.c would attempt to free a NULL context.
6596 [Arne Ansper <arne@ats.cyber.ee>]
6598 *) BIO_s_socket() had a broken should_retry() on Windoze.
6599 [Arne Ansper <arne@ats.cyber.ee>]
6601 *) BIO_f_buffer() didn't pass on BIO_CTRL_FLUSH.
6602 [Arne Ansper <arne@ats.cyber.ee>]
6604 *) Make sure the already existing X509_STORE->depth variable is initialized
6605 in X509_STORE_new(), but document the fact that this variable is still
6606 unused in the certificate verification process.
6607 [Ralf S. Engelschall]
6609 *) Fix the various library and apps files to free up pkeys obtained from
6610 X509_PUBKEY_get() et al. Also allow x509.c to handle netscape extensions.
6613 *) Fix reference counting in X509_PUBKEY_get(). This makes
6614 demos/maurice/example2.c work, amongst others, probably.
6615 [Steve Henson and Ben Laurie]
6617 *) First cut of a cleanup for apps/. First the `ssleay' program is now named
6618 `openssl' and second, the shortcut symlinks for the `openssl <command>'
6619 are no longer created. This way we have a single and consistent command
6620 line interface `openssl <command>', similar to `cvs <command>'.
6621 [Ralf S. Engelschall, Paul Sutton and Ben Laurie]
6623 *) ca.c: move test for DSA keys inside #ifndef NO_DSA. Make pubkey
6624 BIT STRING wrapper always have zero unused bits.
6627 *) Add CA.pl, perl version of CA.sh, add extended key usage OID.
6630 *) Make the top-level INSTALL documentation easier to understand.
6633 *) Makefiles updated to exit if an error occurs in a sub-directory
6634 make (including if user presses ^C) [Paul Sutton]
6636 *) Make Montgomery context stuff explicit in RSA data structure.
6639 *) Fix build order of pem and err to allow for generated pem.h.
6642 *) Fix renumbering bug in X509_NAME_delete_entry().
6645 *) Enhanced the err-ins.pl script so it makes the error library number
6646 global and can add a library name. This is needed for external ASN1 and
6647 other error libraries.
6650 *) Fixed sk_insert which never worked properly.
6653 *) Fix ASN1 macros so they can handle indefinite length construted
6654 EXPLICIT tags. Some non standard certificates use these: they can now
6658 *) Merged the various old/obsolete SSLeay documentation files (doc/xxx.doc)
6659 into a single doc/ssleay.txt bundle. This way the information is still
6660 preserved but no longer messes up this directory. Now it's new room for
6661 the new set of documenation files.
6662 [Ralf S. Engelschall]
6664 *) SETs were incorrectly DER encoded. This was a major pain, because they
6665 shared code with SEQUENCEs, which aren't coded the same. This means that
6666 almost everything to do with SETs or SEQUENCEs has either changed name or
6667 number of arguments.
6668 [Ben Laurie, based on a partial fix by GP Jayan <gp@nsj.co.jp>]
6670 *) Fix test data to work with the above.
6673 *) Fix the RSA header declarations that hid a bug I fixed in 0.9.0b but
6674 was already fixed by Eric for 0.9.1 it seems.
6675 [Ben Laurie - pointed out by Ulf Möller <ulf@fitug.de>]
6677 *) Autodetect FreeBSD3.
6680 *) Fix various bugs in Configure. This affects the following platforms:
6684 unixware-2.0-pentium
6688 *) Eliminate generated files from CVS. Reorder tests to regenerate files
6689 before they are needed.
6692 *) Generate Makefile.ssl from Makefile.org (to keep CVS happy).
6696 Changes between 0.9.1b and 0.9.1c [23-Dec-1998]
6698 *) Added OPENSSL_VERSION_NUMBER to crypto/crypto.h and
6699 changed SSLeay to OpenSSL in version strings.
6700 [Ralf S. Engelschall]
6702 *) Some fixups to the top-level documents.
6705 *) Fixed the nasty bug where rsaref.h was not found under compile-time
6706 because the symlink to include/ was missing.
6707 [Ralf S. Engelschall]
6709 *) Incorporated the popular no-RSA/DSA-only patches
6710 which allow to compile a RSA-free SSLeay.
6711 [Andrew Cooke / Interrader Ldt., Ralf S. Engelschall]
6713 *) Fixed nasty rehash problem under `make -f Makefile.ssl links'
6714 when "ssleay" is still not found.
6715 [Ralf S. Engelschall]
6717 *) Added more platforms to Configure: Cray T3E, HPUX 11,
6718 [Ralf S. Engelschall, Beckmann <beckman@acl.lanl.gov>]
6720 *) Updated the README file.
6721 [Ralf S. Engelschall]
6723 *) Added various .cvsignore files in the CVS repository subdirs
6724 to make a "cvs update" really silent.
6725 [Ralf S. Engelschall]
6727 *) Recompiled the error-definition header files and added
6728 missing symbols to the Win32 linker tables.
6729 [Ralf S. Engelschall]
6731 *) Cleaned up the top-level documents;
6732 o new files: CHANGES and LICENSE
6733 o merged VERSION, HISTORY* and README* files a CHANGES.SSLeay
6734 o merged COPYRIGHT into LICENSE
6735 o removed obsolete TODO file
6736 o renamed MICROSOFT to INSTALL.W32
6737 [Ralf S. Engelschall]
6739 *) Removed dummy files from the 0.9.1b source tree:
6740 crypto/asn1/x crypto/bio/cd crypto/bio/fg crypto/bio/grep crypto/bio/vi
6741 crypto/bn/asm/......add.c crypto/bn/asm/a.out crypto/dsa/f crypto/md5/f
6742 crypto/pem/gmon.out crypto/perlasm/f crypto/pkcs7/build crypto/rsa/f
6743 crypto/sha/asm/f crypto/threads/f ms/zzz ssl/f ssl/f.mak test/f
6744 util/f.mak util/pl/f util/pl/f.mak crypto/bf/bf_locl.old apps/f
6745 [Ralf S. Engelschall]
6747 *) Added various platform portability fixes.
6750 *) The Genesis of the OpenSSL rpject:
6751 We start with the latest (unreleased) SSLeay version 0.9.1b which Eric A.
6752 Young and Tim J. Hudson created while they were working for C2Net until
6754 [The OpenSSL Project]
6757 Changes between 0.9.0b and 0.9.1b [not released]
6759 *) Updated a few CA certificates under certs/
6762 *) Changed some BIGNUM api stuff.
6765 *) Various platform ports: OpenBSD, Ultrix, IRIX 64bit, NetBSD,
6766 DGUX x86, Linux Alpha, etc.
6769 *) New COMP library [crypto/comp/] for SSL Record Layer Compression:
6770 RLE (dummy implemented) and ZLIB (really implemented when ZLIB is
6774 *) Add -strparse option to asn1pars program which parses nested
6776 [Dr Stephen Henson <shenson@bigfoot.com>]
6778 *) Added "oid_file" to ssleay.cnf for "ca" and "req" programs.
6781 *) DSA fix for "ca" program.
6784 *) Added "-genkey" option to "dsaparam" program.
6787 *) Added RIPE MD160 (rmd160) message digest.
6790 *) Added -a (all) option to "ssleay version" command.
6793 *) Added PLATFORM define which is the id given to Configure.
6796 *) Added MemCheck_XXXX functions to crypto/mem.c for memory checking.
6799 *) Extended the ASN.1 parser routines.
6802 *) Extended BIO routines to support REUSEADDR, seek, tell, etc.
6805 *) Added a BN_CTX to the BN library.
6808 *) Fixed the weak key values in DES library
6811 *) Changed API in EVP library for cipher aliases.
6814 *) Added support for RC2/64bit cipher.
6817 *) Converted the lhash library to the crypto/mem.c functions.
6820 *) Added more recognized ASN.1 object ids.
6823 *) Added more RSA padding checks for SSL/TLS.
6826 *) Added BIO proxy/filter functionality.
6829 *) Added extra_certs to SSL_CTX which can be used
6830 send extra CA certificates to the client in the CA cert chain sending
6831 process. It can be configured with SSL_CTX_add_extra_chain_cert().
6834 *) Now Fortezza is denied in the authentication phase because
6835 this is key exchange mechanism is not supported by SSLeay at all.
6838 *) Additional PKCS1 checks.
6841 *) Support the string "TLSv1" for all TLS v1 ciphers.
6844 *) Added function SSL_get_ex_data_X509_STORE_CTX_idx() which gives the
6845 ex_data index of the SSL context in the X509_STORE_CTX ex_data.
6848 *) Fixed a few memory leaks.
6851 *) Fixed various code and comment typos.
6854 *) A minor bug in ssl/s3_clnt.c where there would always be 4 0
6855 bytes sent in the client random.
6856 [Edward Bishop <ebishop@spyglass.com>]