Changes between 0.9.6 and 0.9.7 [xx XXX 2000]
+ *) Initial (incomplete) OCSP SSL support.
+ [Steve Henson]
+
+ *) Fix CPU detection on Irix 6.x.
+ [Kurt Hockenbury <khockenb@stevens-tech.edu> and
+ "Bruce W. Forsberg" <bruce.forsberg@baesystems.com>]
+
+ *) New function OCSP_parse_url(). This splits up a URL into its host,
+ port and path components: primarily to parse OCSP URLs. New -url
+ option to ocsp utility.
+ [Steve Henson]
+
+ *) New nonce behavior. The return value of OCSP_check_nonce() now
+ reflects the various checks performed. Applications can decide
+ whether to tolerate certain situations such as an absent nonce
+ in a response when one was present in a request: the ocsp application
+ just prints out a warning. New function OCSP_add1_basic_nonce()
+ this is to allow responders to include a nonce in a response even if
+ the request is nonce-less.
+ [Steve Henson]
+
+ *) Use the cached encoding of an X509_NAME structure rather than
+ copying it. This is apparently the reason for the libsafe "errors"
+ but the code is actually correct.
+ [Steve Henson]
+
+ *) Disable stdin buffering in load_cert (apps/apps.c) so that no certs are
+ skipped when using openssl x509 multiple times on a single input file,
+ e.g. "(openssl x509 -out cert1; openssl x509 -out cert2) <certs".
+ [Bodo Moeller]
+
+ *) Make ASN1_UTCTIME_set_string() and ASN1_GENERALIZEDTIME_set_string()
+ set string type: to handle setting ASN1_TIME structures. Fix ca
+ utility to correctly initialize revocation date of CRLs.
+ [Steve Henson]
+
+ *) New option SSL_OP_CIPHER_SERVER_PREFERENCE allows the server to override
+ the clients preferred ciphersuites and rather use its own preferences.
+ Should help to work around M$ SGC (Server Gated Cryptography) bug in
+ Internet Explorer by ensuring unchanged hash method during stepup.
+ [Lutz Jaenicke]
+
+ *) Make mkdef.pl recognise all DECLARE_ASN1 macros, change rijndael
+ to aes and add a new 'exist' option to print out symbols that don't
+ appear to exist.
+ [Steve Henson]
+
+ *) Additional options to ocsp utility to allow flags to be set and
+ additional certificates supplied.
+ [Steve Henson]
+
+ *) Add the option -VAfile to 'openssl ocsp', so the user can give the
+ OCSP client a number of certificate to only verify the response
+ signature against.
+ [Richard Levitte]
+
+ *) Add new function BN_rand_range(), and fix DSA_sign_setup() to prevent
+ Bleichenbacher's DSA attack.
+ [Ulf Moeller, Bodo Moeller]
+
+ *) Update Rijndael code to version 3.0 and change EVP AES ciphers to
+ handle the new API. Currently only ECB, CBC modes supported. Add new
+ AES OIDs. Add TLS AES ciphersuites as described in the "AES Ciphersuites
+ for TLS" draft-ietf-tls-ciphersuite-03.txt.
+ [Ben Laurie, Steve Henson]
+
+ *) In the NCONF_...-based implementations for CONF_... queries
+ (crypto/conf/conf_lib.c), if the input LHASH is NULL, avoid using
+ a temporary CONF structure with the data component set to NULL
+ (which gives segmentation faults in lh_retrieve).
+ Instead, use NULL for the CONF pointer in CONF_get_string and
+ CONF_get_number (which may use environment variables) and directly
+ return NULL from CONF_get_section.
+ [Bodo Moeller]
+
+ *) Fix potential buffer overrun for EBCDIC.
+ [Ulf Moeller]
+
+ *) New function OCSP_copy_nonce() to copy nonce value (if present) from
+ request to response.
+ [Steve Henson]
+
+ *) Functions for OCSP responders. OCSP_request_onereq_count(),
+ OCSP_request_onereq_get0(), OCSP_onereq_get0_id() and OCSP_id_get0_info()
+ extract information from a certificate request. OCSP_response_create()
+ creates a response and optionally adds a basic response structure.
+ OCSP_basic_add1_status() adds a complete single response to a basic
+ reponse and returns the OCSP_SINGLERESP structure just added (to allow
+ extensions to be included for example). OCSP_basic_add1_cert() adds a
+ certificate to a basic response and OCSP_basic_sign() signs a basic
+ response with various flags. New helper functions ASN1_TIME_check()
+ (checks validity of ASN1_TIME structure) and ASN1_TIME_to_generalizedtime()
+ (converts ASN1_TIME to GeneralizedTime).
+ [Steve Henson]
+
+ *) Various new functions. EVP_Digest() combines EVP_Digest{Init,Update,Final}()
+ in a single operation. X509_get0_pubkey_bitstr() extracts the public_key
+ structure from a certificate. X509_pubkey_digest() digests tha public_key
+ contents: this is used in various key identifiers.
+ [Steve Henson]
+
+ *) Tolerate nonRepudiation as being valid for S/MIME signing and certSign
+ keyUsage if basicConstraints absent for a CA.
+ [Steve Henson]
+
+ *) Make SMIME_write_PKCS7() write mail header values with a format that
+ is more generally accepted (no spaces before the semicolon), since
+ some programs can't parse those values properly otherwise. Also make
+ sure BIO's that break lines after each write do not create invalid
+ headers.
+ [Richard Levitte]
+
+ *) Make sk_sort() tolerate a NULL argument.
+ [Steve Henson reported by Massimiliano Pala <madwolf@comune.modena.it>]
+
+ *) New OCSP verify flag OCSP_TRUSTOTHER. When set the "other" certificates
+ passed by the function are trusted implicitly. If any of them signed the
+ reponse then it is assumed to be valid and is not verified.
+ [Steve Henson]
+
+ *) Zero the premaster secret after deriving the master secret in
+ DH ciphersuites.
+ [Steve Henson]
+
+ *) In PKCS7_set_type() initialise content_type in PKCS7_ENC_CONTENT
+ to data. This was previously part of the PKCS7 ASN1 code. This
+ was causing problems with OpenSSL created PKCS#12 and PKCS#7 structures.
+ [Steve Henson, reported by Kenneth R. Robinette
+ <support@securenetterm.com>]
+
+ *) Add CRYPTO_push_info() and CRYPTO_pop_info() calls to new ASN1
+ routines: without these tracing memory leaks is very painful.
+ Fix leaks in PKCS12 and PKCS7 routines.
+ [Steve Henson]
+
+ *) Fix for Irix with NO_ASM.
+ ["Bruce W. Forsberg" <bruce.forsberg@baesystems.com>]
+
+ *) Add some EVP_add_digest_alias registrations (as found in
+ OpenSSL_add_all_digests()), to SSL_library_init()
+ aka OpenSSL_add_ssl_algorithms(). This provides improved
+ compatibility with peers using X.509 certificates
+ with unconventional AlgorithmIdentifier OIDs.
+ [Bodo Moeller]
+
+ *) ./config script fixes.
+ [Ulf Moeller, Richard Levitte]
+
+ *) Make X509_time_adj() cope with the new behaviour of ASN1_TIME_new().
+ Previously it initialised the 'type' argument to V_ASN1_UTCTIME which
+ effectively meant GeneralizedTime would never be used. Now it
+ is initialised to -1 but X509_time_adj() now has to check the value
+ and use ASN1_TIME_set() if the value is not V_ASN1_UTCTIME or
+ V_ASN1_GENERALIZEDTIME, without this it always uses GeneralizedTime.
+ [Steve Henson, reported by Kenneth R. Robinette
+ <support@securenetterm.com>]
+
+ *) Fixes to BN_to_ASN1_INTEGER when bn is zero. This would previously
+ result in a zero length in the ASN1_INTEGER structure which was
+ not consistent with the structure when d2i_ASN1_INTEGER() was used
+ and would cause ASN1_INTEGER_cmp() to fail. Enhance s2i_ASN1_INTEGER()
+ to cope with hex and negative integers. Fix bug in i2a_ASN1_INTEGER()
+ where it did not print out a minus for negative ASN1_INTEGER.
+ [Steve Henson]
+
+ *) Fix 'openssl passwd -1'.
+ [Bodo Moeller]
+
+ *) Add summary printout to ocsp utility. The various functions which
+ convert status values to strings have been renamed to:
+ OCSP_response_status_str(), OCSP_cert_status_str() and
+ OCSP_crl_reason_str() and are no longer static. New options
+ to verify nonce values and to disable verification. OCSP response
+ printout format cleaned up.
+ [Steve Henson]
+
+ *) Add additional OCSP certificate checks. These are those specified
+ in RFC2560. This consists of two separate checks: the CA of the
+ certificate being checked must either be the OCSP signer certificate
+ or the issuer of the OCSP signer certificate. In the latter case the
+ OCSP signer certificate must contain the OCSP signing extended key
+ usage. This check is performed by attempting to match the OCSP
+ signer or the OCSP signer CA to the issuerNameHash and issuerKeyHash
+ in the OCSP_CERTID structures of the response.
+ [Steve Henson]
+
+ *) Initial OCSP certificate verification added to OCSP_basic_verify()
+ and related routines. This uses the standard OpenSSL certificate
+ verify routines to perform initial checks (just CA validity) and
+ to obtain the certificate chain. Then additional checks will be
+ performed on the chain. Currently the root CA is checked to see
+ if it is explicitly trusted for OCSP signing. This is used to set
+ a root CA as a global signing root: that is any certificate that
+ chains to that CA is an acceptable OCSP signing certificate.
+ [Steve Henson]
+
+ *) New '-extfile ...' option to 'openssl ca' for reading X.509v3
+ extensions from a separate configuration file.
+ As when reading extensions from the main configuration file,
+ the '-extensions ...' option may be used for specifying the
+ section to use.
+ [Massimiliano Pala <madwolf@comune.modena.it>]
+
+ *) Change PKCS12_key_gen_asc() so it can cope with non null
+ terminated strings whose length is passed in the passlen
+ parameter, for example from PEM callbacks. This was done
+ by adding an extra length parameter to asc2uni().
+ [Steve Henson, reported by <oddissey@samsung.co.kr>]
+
+ *) New OCSP utility. Allows OCSP requests to be generated or
+ read. The request can be sent to a responder and the output
+ parsed, outputed or printed in text form. Not complete yet:
+ still needs to check the OCSP response validity.
+ [Steve Henson]
+
+ *) New subcommands for 'openssl ca':
+ 'openssl ca -status <serial>' prints the status of the cert with
+ the given serial number (according to the index file).
+ 'openssl ca -updatedb' updates the expiry status of certificates
+ in the index file.
+ [Massimiliano Pala <madwolf@comune.modena.it>]
+
+ *) New '-newreq-nodes' command option to CA.pl. This is like
+ '-newreq', but calls 'openssl req' with the '-nodes' option
+ so that the resulting key is not encrypted.
+ [Damien Miller <djm@mindrot.org>]
+
+ *) New configuration for the GNU Hurd.
+ [Jonathan Bartlett <johnnyb@wolfram.com> via Richard Levitte]
+
+ *) Initial code to implement OCSP basic response verify. This
+ is currently incomplete. Currently just finds the signer's
+ certificate and verifies the signature on the response.
+ [Steve Henson]
+
+ *) New SSLeay_version code SSLEAY_DIR to determine the compiled-in
+ value of OPENSSLDIR. This is available via the new '-d' option
+ to 'openssl version', and is also included in 'openssl version -a'.
+ [Bodo Moeller]
+
+ *) Fix C code generated by 'openssl dsaparam -C': If a BN_bin2bn
+ call failed, free the DSA structure.
+ [Bodo Moeller]
+
+ *) Allowing defining memory allocation callbacks that will be given
+ file name and line number information in additional arguments
+ (a const char* and an int). The basic functionality remains, as
+ well as the original possibility to just replace malloc(),
+ realloc() and free() by functions that do not know about these
+ additional arguments. To register and find out the current
+ settings for extended allocation functions, the following
+ functions are provided:
+
+ CRYPTO_set_mem_ex_functions
+ CRYPTO_set_locked_mem_ex_functions
+ CRYPTO_get_mem_ex_functions
+ CRYPTO_get_locked_mem_ex_functions
+
+ These work the same way as CRYPTO_set_mem_functions and friends.
+ CRYPTO_get_[locked_]mem_functions now writes 0 where such an
+ extended allocation function is enabled.
+ Similarly, CRYPTO_get_[locked_]mem_ex_functions writes 0 where
+ a conventional allocation function is enabled.
+ [Richard Levitte, Bodo Moeller]
+
+ *) Fix to uni2asc() to cope with zero length Unicode strings.
+ These are present in some PKCS#12 files.
+ [Steve Henson]
+
+ *) Finish off removing the remaining LHASH function pointer casts.
+ There should no longer be any prototype-casting required when using
+ the LHASH abstraction, and any casts that remain are "bugs". See
+ the callback types and macros at the head of lhash.h for details
+ (and "OBJ_cleanup" in crypto/objects/obj_dat.c as an example).
+ [Geoff Thorpe]
+
+ *) Add automatic query of EGD sockets in RAND_poll() for the unix variant.
+ If an EGD or PRNGD is running and enough entropy is returned, automatic
+ seeding like with /dev/[u]random will be performed.
+ Positions tried are: /etc/entropy, /var/run/egd-pool.
+ [Lutz Jaenicke]
+
+ *) Change the Unix RAND_poll() variant to be able to poll several
+ random devices, as specified by DEVRANDOM, until a sufficient amount
+ of data has been collected. We spend at most 10 ms on each file
+ (select timeout) and read in non-blocking mode. DEVRANDOM now
+ defaults to the list "/dev/urandom", "/dev/random", "/dev/srandom"
+ (previously it was just the string "/dev/urandom"), so on typical
+ platforms the 10 ms delay will never occur.
+ Also separate out the Unix variant to its own file, rand_unix.c.
+ For VMS, there's a currently-empty rand_vms.c.
+ [Richard Levitte]
+
+ *) Move OCSP client related routines to ocsp_cl.c. These
+ provide utility functions which an application needing
+ to issue a request to an OCSP responder and analyse the
+ response will typically need: as opposed to those which an
+ OCSP responder itself would need which will be added later.
+
+ OCSP_request_sign() signs an OCSP request with an API similar
+ to PKCS7_sign(). OCSP_response_status() returns status of OCSP
+ response. OCSP_response_get1_basic() extracts basic response
+ from response. OCSP_resp_find_status(): finds and extracts status
+ information from an OCSP_CERTID structure (which will be created
+ when the request structure is built). These are built from lower
+ level functions which work on OCSP_SINGLERESP structures but
+ wont normally be used unless the application wishes to examine
+ extensions in the OCSP response for example.
+
+ Replace nonce routines with a pair of functions.
+ OCSP_request_add1_nonce() adds a nonce value and optionally
+ generates a random value. OCSP_check_nonce() checks the
+ validity of the nonce in an OCSP response.
+ [Steve Henson]
+
+ *) Change function OCSP_request_add() to OCSP_request_add0_id().
+ This doesn't copy the supplied OCSP_CERTID and avoids the
+ need to free up the newly created id. Change return type
+ to OCSP_ONEREQ to return the internal OCSP_ONEREQ structure.
+ This can then be used to add extensions to the request.
+ Deleted OCSP_request_new(), since most of its functionality
+ is now in OCSP_REQUEST_new() (and the case insensitive name
+ clash) apart from the ability to set the request name which
+ will be added elsewhere.
+ [Steve Henson]
+
+ *) Update OCSP API. Remove obsolete extensions argument from
+ various functions. Extensions are now handled using the new
+ OCSP extension code. New simple OCSP HTTP function which
+ can be used to send requests and parse the response.
+ [Steve Henson]
+
+ *) Fix the PKCS#7 (S/MIME) code to work with new ASN1. Two new
+ ASN1_ITEM structures help with sign and verify. PKCS7_ATTR_SIGN
+ uses the special reorder version of SET OF to sort the attributes
+ and reorder them to match the encoded order. This resolves a long
+ standing problem: a verify on a PKCS7 structure just after signing
+ it used to fail because the attribute order did not match the
+ encoded order. PKCS7_ATTR_VERIFY does not reorder the attributes:
+ it uses the received order. This is necessary to tolerate some broken
+ software that does not order SET OF. This is handled by encoding
+ as a SEQUENCE OF but using implicit tagging (with UNIVERSAL class)
+ to produce the required SET OF.
+ [Steve Henson]
+
+ *) Have mk1mf.pl generate the macros OPENSSL_BUILD_SHLIBCRYPTO and
+ OPENSSL_BUILD_SHLIBSSL and use them appropriately in the header
+ files to get correct declarations of the ASN.1 item variables.
+ [Richard Levitte]
+
+ *) Rewrite of PKCS#12 code to use new ASN1 functionality. Replace many
+ PKCS#12 macros with real functions. Fix two unrelated ASN1 bugs:
+ asn1_check_tlen() would sometimes attempt to use 'ctx' when it was
+ NULL and ASN1_TYPE was not dereferenced properly in asn1_ex_c2i().
+ New ASN1 macro: DECLARE_ASN1_ITEM() which just declares the relevant
+ ASN1_ITEM and no wrapper functions.
+ [Steve Henson]
+
+ *) New functions or ASN1_item_d2i_fp() and ASN1_item_d2i_bio(). These
+ replace the old function pointer based I/O routines. Change most of
+ the *_d2i_bio() and *_d2i_fp() functions to use these.
+ [Steve Henson]
+
+ *) Enhance mkdef.pl to be more accepting about spacing in C preprocessor
+ lines, recognice more "algorithms" that can be deselected, and make
+ it complain about algorithm deselection that isn't recognised.
+ [Richard Levitte]
+
+ *) New ASN1 functions to handle dup, sign, verify, digest, pack and
+ unpack operations in terms of ASN1_ITEM. Modify existing wrappers
+ to use new functions. Add NO_ASN1_OLD which can be set to remove
+ some old style ASN1 functions: this can be used to determine if old
+ code will still work when these eventually go away.
+ [Steve Henson]
+
+ *) New extension functions for OCSP structures, these follow the
+ same conventions as certificates and CRLs.
+ [Steve Henson]
+
+ *) New function X509V3_add1_i2d(). This automatically encodes and
+ adds an extension. Its behaviour can be customised with various
+ flags to append, replace or delete. Various wrappers added for
+ certifcates and CRLs.
+ [Steve Henson]
+
+ *) Fix to avoid calling the underlying ASN1 print routine when
+ an extension cannot be parsed. Correct a typo in the
+ OCSP_SERVICELOC extension. Tidy up print OCSP format.
+ [Steve Henson]
+
+ *) Increase s2->wbuf allocation by one byte in ssl2_new (ssl/s2_lib.c).
+ Otherwise do_ssl_write (ssl/s2_pkt.c) will write beyond buffer limits
+ when writing a 32767 byte record.
+ [Bodo Moeller; problem reported by Eric Day <eday@concentric.net>]
+
+ *) In RSA_eay_public_{en,ed}crypt and RSA_eay_mod_exp (rsa_eay.c),
+ obtain lock CRYPTO_LOCK_RSA before setting rsa->_method_mod_{n,p,q}.
+
+ (RSA objects have a reference count access to which is protected
+ by CRYPTO_LOCK_RSA [see rsa_lib.c, s3_srvr.c, ssl_cert.c, ssl_rsa.c],
+ so they are meant to be shared between threads.)
+ [Bodo Moeller, Geoff Thorpe; original patch submitted by
+ "Reddie, Steven" <Steven.Reddie@ca.com>]
+
+ *) Make mkdef.pl parse some of the ASN1 macros and add apropriate
+ entries for variables.
+ [Steve Henson]
+
+ *) Fix a deadlock in CRYPTO_mem_leaks().
+ [Bodo Moeller]
+
+ *) Add functionality to apps/openssl.c for detecting locking
+ problems: As the program is single-threaded, all we have
+ to do is register a locking callback using an array for
+ storing which locks are currently held by the program.
+ [Bodo Moeller]
+
+ *) Use a lock around the call to CRYPTO_get_ex_new_index() in
+ SSL_get_ex_data_X509_STORE_idx(), which is used in
+ ssl_verify_cert_chain() and thus can be called at any time
+ during TLS/SSL handshakes so that thread-safety is essential.
+ Unfortunately, the ex_data design is not at all suited
+ for multi-threaded use, so it probably should be abolished.
+ [Bodo Moeller]
+
+ *) Added Broadcom "ubsec" ENGINE to OpenSSL.
+ [Broadcom, tweaked and integrated by Geoff Thorpe]
+
+ *) Move common extension printing code to new function
+ X509V3_print_extensions(). Reorganise OCSP print routines and
+ implement some needed OCSP ASN1 functions. Add OCSP extensions.
+ [Steve Henson]
+
+ *) New function X509_signature_print() to remove duplication in some
+ print routines.
+ [Steve Henson]
+
+ *) Add a special meaning when SET OF and SEQUENCE OF flags are both
+ set (this was treated exactly the same as SET OF previously). This
+ is used to reorder the STACK representing the structure to match the
+ encoding. This will be used to get round a problem where a PKCS7
+ structure which was signed could not be verified because the STACK
+ order did not reflect the encoded order.
+ [Steve Henson]
+
+ *) Reimplement the OCSP ASN1 module using the new code.
+ [Steve Henson]
+
+ *) Update the X509V3 code to permit the use of an ASN1_ITEM structure
+ for its ASN1 operations. The old style function pointers still exist
+ for now but they will eventually go away.
+ [Steve Henson]
+
+ *) Merge in replacement ASN1 code from the ASN1 branch. This almost
+ completely replaces the old ASN1 functionality with a table driven
+ encoder and decoder which interprets an ASN1_ITEM structure describing
+ the ASN1 module. Compatibility with the existing ASN1 API (i2d,d2i) is
+ largely maintained. Almost all of the old asn1_mac.h macro based ASN1
+ has also been converted to the new form.
+ [Steve Henson]
+
+ *) Change BN_mod_exp_recp so that negative moduli are tolerated
+ (the sign is ignored). Similarly, ignore the sign in BN_MONT_CTX_set
+ so that BN_mod_exp_mont and BN_mod_exp_mont_word work
+ for negative moduli.
+ [Bodo Moeller]
+
+ *) Fix BN_uadd and BN_usub: Always return non-negative results instead
+ of not touching the result's sign bit.
+ [Bodo Moeller]
+
+ *) BN_div bugfix: If the result is 0, the sign (res->neg) must not be
+ set.
+ [Bodo Moeller]
+
*) Changed the LHASH code to use prototypes for callbacks, and created
macros to declare and implement thin (optionally static) functions
that provide type-safety and avoid function pointer casting for the
[Richard Levitte]
*) New function BN_mod_sqrt for computing square roots modulo a prime
- (Tonelli-Shanks algorithm).
+ (using the probabilistic Tonelli-Shanks algorithm unless
+ p == 3 (mod 4) or p == 5 (mod 8), which are cases that can
+ be handled deterministically).
[Lenka Fibikova <fibikova@exp-math.uni-essen.de>, Bodo Moeller]
*) Store verify_result within SSL_SESSION also for client side to
512 bits], about 30% for larger ones [1024 or 2048 bits].)
[Bodo Moeller]
- *) Disable ssl2_peek and ssl3_peek (i.e., both implementations
- of SSL_peek) because they both are completely broken.
- They will be fixed RSN by adding an additional 'peek' parameter
- to the internal read functions.
+ *) Fix ssl3_pending: If the record in s->s3->rrec is not of type
+ SSL3_RT_APPLICATION_DATA, return 0.
+ Similarly, change ssl2_pending to return 0 if SSL_in_init(s) is true.
+ [Bodo Moeller]
+
+ *) Fix SSL_peek:
+ Both ssl2_peek and ssl3_peek, which were totally broken in earlier
+ releases, have been re-implemented by renaming the previous
+ implementations of ssl2_read and ssl3_read to ssl2_read_internal
+ and ssl3_read_internal, respectively, and adding 'peek' parameters
+ to them. The new ssl[23]_{read,peek} functions are calls to
+ ssl[23]_read_internal with the 'peek' flag set appropriately.
+ A 'peek' parameter has also been added to ssl3_read_bytes, which
+ does the actual work for ssl3_read_internal.
[Bodo Moeller]
*) New function BN_kronecker.
projects / openssl.git / blobdiff