5 This file gives a brief overview of the major changes between each OpenSSL
6 release. For more details please read the CHANGES file.
8 Major changes between OpenSSL 1.0.2h and OpenSSL 1.0.2i [22 Sep 2016]
10 o OCSP Status Request extension unbounded memory growth (CVE-2016-6304)
11 o SWEET32 Mitigation (CVE-2016-2183)
12 o OOB write in MDC2_Update() (CVE-2016-6303)
13 o Malformed SHA512 ticket DoS (CVE-2016-6302)
14 o OOB write in BN_bn2dec() (CVE-2016-2182)
15 o OOB read in TS_OBJ_print_bio() (CVE-2016-2180)
16 o Pointer arithmetic undefined behaviour (CVE-2016-2177)
17 o Constant time flag not preserved in DSA signing (CVE-2016-2178)
18 o DTLS buffered message DoS (CVE-2016-2179)
19 o DTLS replay protection DoS (CVE-2016-2181)
20 o Certificate message OOB reads (CVE-2016-6306)
22 Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016]
24 o Prevent padding oracle in AES-NI CBC MAC check (CVE-2016-2107)
25 o Fix EVP_EncodeUpdate overflow (CVE-2016-2105)
26 o Fix EVP_EncryptUpdate overflow (CVE-2016-2106)
27 o Prevent ASN.1 BIO excessive memory allocation (CVE-2016-2109)
28 o EBCDIC overread (CVE-2016-2176)
29 o Modify behavior of ALPN to invoke callback after SNI/servername
30 callback, such that updates to the SSL_CTX affect ALPN.
31 o Remove LOW from the DEFAULT cipher list. This removes singles DES from
33 o Only remove the SSLv2 methods with the no-ssl2-method option.
35 Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016]
37 o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
38 o Disable SSLv2 default build, default negotiation and weak ciphers
40 o Fix a double-free in DSA code (CVE-2016-0705)
41 o Disable SRP fake user seed to address a server memory leak
43 o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
45 o Fix memory issues in BIO_*printf functions (CVE-2016-0799)
46 o Fix side channel attack on modular exponentiation (CVE-2016-0702)
48 Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016]
50 o DH small subgroups (CVE-2016-0701)
51 o SSLv2 doesn't block disabled ciphers (CVE-2015-3197)
53 Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015]
55 o BN_mod_exp may produce incorrect results on x86_64 (CVE-2015-3193)
56 o Certificate verify crash with missing PSS parameter (CVE-2015-3194)
57 o X509_ATTRIBUTE memory leak (CVE-2015-3195)
58 o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
59 o In DSA_generate_parameters_ex, if the provided seed is too short,
62 Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015]
64 o Alternate chains certificate forgery (CVE-2015-1793)
65 o Race condition handling PSK identify hint (CVE-2015-3196)
67 Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015]
69 o Fix HMAC ABI incompatibility
71 Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015]
73 o Malformed ECParameters causes infinite loop (CVE-2015-1788)
74 o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789)
75 o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790)
76 o CMS verify infinite loop with unknown hash function (CVE-2015-1792)
77 o Race condition handling NewSessionTicket (CVE-2015-1791)
79 Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015]
81 o OpenSSL 1.0.2 ClientHello sigalgs DoS fix (CVE-2015-0291)
82 o Multiblock corrupted pointer fix (CVE-2015-0290)
83 o Segmentation fault in DTLSv1_listen fix (CVE-2015-0207)
84 o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286)
85 o Segmentation fault for invalid PSS parameters fix (CVE-2015-0208)
86 o ASN.1 structure reuse memory corruption fix (CVE-2015-0287)
87 o PKCS7 NULL pointer dereferences fix (CVE-2015-0289)
88 o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293)
89 o Empty CKE with client auth and DHE fix (CVE-2015-1787)
90 o Handshake with unseeded PRNG fix (CVE-2015-0285)
91 o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209)
92 o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288)
93 o Removed the export ciphers from the DEFAULT ciphers
95 Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]:
97 o Suite B support for TLS 1.2 and DTLS 1.2
98 o Support for DTLS 1.2
99 o TLS automatic EC curve selection.
100 o API to set TLS supported signature algorithms and curves
101 o SSL_CONF configuration API.
102 o TLS Brainpool support.
104 o CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH.
106 Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]
108 o Build fixes for the Windows and OpenVMS platforms
110 Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]
112 o Fix for CVE-2014-3571
113 o Fix for CVE-2015-0206
114 o Fix for CVE-2014-3569
115 o Fix for CVE-2014-3572
116 o Fix for CVE-2015-0204
117 o Fix for CVE-2015-0205
118 o Fix for CVE-2014-8275
119 o Fix for CVE-2014-3570
121 Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
123 o Fix for CVE-2014-3513
124 o Fix for CVE-2014-3567
125 o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
126 o Fix for CVE-2014-3568
128 Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
130 o Fix for CVE-2014-3512
131 o Fix for CVE-2014-3511
132 o Fix for CVE-2014-3510
133 o Fix for CVE-2014-3507
134 o Fix for CVE-2014-3506
135 o Fix for CVE-2014-3505
136 o Fix for CVE-2014-3509
137 o Fix for CVE-2014-5139
138 o Fix for CVE-2014-3508
140 Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
142 o Fix for CVE-2014-0224
143 o Fix for CVE-2014-0221
144 o Fix for CVE-2014-0198
145 o Fix for CVE-2014-0195
146 o Fix for CVE-2014-3470
147 o Fix for CVE-2010-5298
149 Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
151 o Fix for CVE-2014-0160
152 o Add TLS padding extension workaround for broken servers.
153 o Fix for CVE-2014-0076
155 Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
157 o Don't include gmt_unix_time in TLS server and client random values
158 o Fix for TLS record tampering bug CVE-2013-4353
159 o Fix for TLS version checking bug CVE-2013-6449
160 o Fix for DTLS retransmission bug CVE-2013-6450
162 Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
164 o Corrected fix for CVE-2013-0169
166 Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
168 o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
169 o Include the fips configuration module.
170 o Fix OCSP bad key DoS attack CVE-2013-0166
171 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
172 o Fix for TLS AESNI record handling flaw CVE-2012-2686
174 Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
176 o Fix TLS/DTLS record length checking bug CVE-2012-2333
177 o Don't attempt to use non-FIPS composite ciphers in FIPS mode.
179 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
181 o Fix compilation error on non-x86 platforms.
182 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
183 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
185 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
187 o Fix for ASN1 overflow bug CVE-2012-2110
188 o Workarounds for some servers that hang on long client hellos.
189 o Fix SEGV in AES code.
191 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
193 o TLS/DTLS heartbeat support.
195 o RFC 5705 TLS key material exporter.
196 o RFC 5764 DTLS-SRTP negotiation.
197 o Next Protocol Negotiation.
198 o PSS signatures in certificates, requests and CRLs.
199 o Support for password based recipient info for CMS.
200 o Support TLS v1.2 and TLS v1.1.
201 o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
204 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
206 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
207 o Corrected fix for CVE-2011-4619
208 o Various DTLS fixes.
210 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
212 o Fix for DTLS DoS issue CVE-2012-0050
214 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
216 o Fix for DTLS plaintext recovery attack CVE-2011-4108
217 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
218 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
219 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
220 o Check for malformed RFC3779 data CVE-2011-4577
222 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
224 o Fix for CRL vulnerability issue CVE-2011-3207
225 o Fix for ECDH crashes CVE-2011-3210
226 o Protection against EC timing attacks.
227 o Support ECDH ciphersuites for certificates using SHA2 algorithms.
228 o Various DTLS fixes.
230 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
232 o Fix for security issue CVE-2011-0014
234 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
236 o Fix for security issue CVE-2010-4180
237 o Fix for CVE-2010-4252
238 o Fix mishandling of absent EC point format extension.
239 o Fix various platform compilation issues.
240 o Corrected fix for security issue CVE-2010-3864.
242 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
244 o Fix for security issue CVE-2010-3864.
245 o Fix for CVE-2010-2939
246 o Fix WIN32 build system for GOST ENGINE.
248 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
250 o Fix for security issue CVE-2010-1633.
251 o GOST MAC and CFB fixes.
253 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
255 o RFC3280 path validation: sufficient to process PKITS tests.
256 o Integrated support for PVK files and keyblobs.
257 o Change default private key format to PKCS#8.
258 o CMS support: able to process all examples in RFC4134
259 o Streaming ASN1 encode support for PKCS#7 and CMS.
260 o Multiple signer and signer add support for PKCS#7 and CMS.
261 o ASN1 printing support.
262 o Whirlpool hash algorithm added.
263 o RFC3161 time stamp support.
264 o New generalised public key API supporting ENGINE based algorithms.
265 o New generalised public key API utilities.
266 o New ENGINE supporting GOST algorithms.
267 o SSL/TLS GOST ciphersuite support.
268 o PKCS#7 and CMS GOST support.
269 o RFC4279 PSK ciphersuite support.
270 o Supported points format extension for ECC ciphersuites.
271 o ecdsa-with-SHA224/256/384/512 signature types.
272 o dsa-with-SHA224 and dsa-with-SHA256 signature types.
273 o Opaque PRF Input TLS extension support.
274 o Updated time routines to avoid OS limitations.
276 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
278 o CFB cipher definition fixes.
279 o Fix security issues CVE-2010-0740 and CVE-2010-0433.
281 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
283 o Cipher definition fixes.
284 o Workaround for slow RAND_poll() on some WIN32 versions.
285 o Remove MD2 from algorithm tables.
286 o SPKAC handling fixes.
287 o Support for RFC5746 TLS renegotiation extension.
288 o Compression memory leak fixed.
289 o Compression session resumption fixed.
290 o Ticket and SNI coexistence fixes.
291 o Many fixes to DTLS handling.
293 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
295 o Temporary work around for CVE-2009-3555: disable renegotiation.
297 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
299 o Fix various build issues.
300 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
302 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
304 o Fix security issue (CVE-2008-5077)
305 o Merge FIPS 140-2 branch code.
307 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
309 o CryptoAPI ENGINE support.
310 o Various precautionary measures.
311 o Fix for bugs affecting certificate request creation.
312 o Support for local machine keyset attribute in PKCS#12 files.
314 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
316 o Backport of CMS functionality to 0.9.8.
317 o Fixes for bugs introduced with 0.9.8f.
319 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
321 o Add gcc 4.2 support.
322 o Add support for AES and SSE2 assembly lanugauge optimization
324 o Support for RFC4507bis and server name extensions if explicitly
325 selected at compile time.
327 o RFC4507bis support.
328 o TLS Extensions support.
330 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
332 o Various ciphersuite selection fixes.
335 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
337 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
338 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
339 o Changes to ciphersuite selection algorithm
341 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
343 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
344 o New cipher Camellia
346 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
348 o Cipher string fixes.
349 o Fixes for VC++ 2005.
350 o Updated ECC cipher suite support.
351 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
352 o Zlib compression usage fixes.
353 o Built in dynamic engine compilation support on Win32.
354 o Fixes auto dynamic engine loading in Win32.
356 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
358 o Fix potential SSL 2.0 rollback, CVE-2005-2969
359 o Extended Windows CE support
361 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
363 o Major work on the BIGNUM library for higher efficiency and to
364 make operations more streamlined and less contradictory. This
365 is the result of a major audit of the BIGNUM library.
366 o Addition of BIGNUM functions for fields GF(2^m) and NIST
367 curves, to support the Elliptic Crypto functions.
368 o Major work on Elliptic Crypto; ECDH and ECDSA added, including
369 the use through EVP, X509 and ENGINE.
370 o New ASN.1 mini-compiler that's usable through the OpenSSL
372 o Added support for ASN.1 indefinite length constructed encoding.
373 o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
374 o Complete rework of shared library construction and linking
375 programs with shared or static libraries, through a separate
377 o Rework of the passing of parameters from one Makefile to another.
378 o Changed ENGINE framework to load dynamic engine modules
379 automatically from specifically given directories.
380 o New structure and ASN.1 functions for CertificatePair.
381 o Changed the ZLIB compression method to be stateful.
382 o Changed the key-generation and primality testing "progress"
383 mechanism to take a structure that contains the ticker
384 function and an argument.
385 o New engine module: GMP (performs private key exponentiation).
386 o New engine module: VIA PadLOck ACE extension in VIA C3
388 o Added support for IPv6 addresses in certificate extensions.
389 See RFC 1884, section 2.2.
390 o Added support for certificate policy mappings, policy
391 constraints and name constraints.
392 o Added support for multi-valued AVAs in the OpenSSL
394 o Added support for multiple certificates with the same subject
395 in the 'openssl ca' index file.
396 o Make it possible to create self-signed certificates using
397 'openssl ca -selfsign'.
398 o Make it possible to generate a serial number file with
399 'openssl ca -create_serial'.
400 o New binary search functions with extended functionality.
402 o New STORE structure and library to provide an interface to all
403 sorts of data repositories. Supports storage of public and
404 private keys, certificates, CRLs, numbers and arbitrary blobs.
405 This library is unfortunately unfinished and unused withing
407 o New control functions for the error stack.
408 o Changed the PKCS#7 library to support one-pass S/MIME
410 o Added the possibility to compile without old deprecated
411 functionality with the OPENSSL_NO_DEPRECATED macro or the
412 'no-deprecated' argument to the config and Configure scripts.
413 o Constification of all ASN.1 conversion functions, and other
415 o Improved platform support for PowerPC.
416 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
417 o New X509_VERIFY_PARAM structure to support parametrisation
418 of X.509 path validation.
419 o Major overhaul of RC4 performance on Intel P4, IA-64 and
421 o Changed the Configure script to have some algorithms disabled
422 by default. Those can be explicitely enabled with the new
423 argument form 'enable-xxx'.
424 o Change the default digest in 'openssl' commands from MD5 to
426 o Added support for DTLS.
427 o New BIGNUM blinding.
428 o Added support for the RSA-PSS encryption scheme
429 o Added support for the RSA X.931 padding.
430 o Added support for BSD sockets on NetWare.
431 o Added support for files larger than 2GB.
432 o Added initial support for Win64.
433 o Added alternate pkg-config files.
435 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
437 o FIPS 1.1.1 module linking.
438 o Various ciphersuite selection fixes.
440 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
442 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
443 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
445 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
447 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
449 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
451 o Visual C++ 2005 fixes.
452 o Update Windows build system for FIPS.
454 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
456 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
458 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
460 o Fix SSL 2.0 Rollback, CVE-2005-2969
461 o Allow use of fixed-length exponent on DSA signing
462 o Default fixed-window RSA, DSA, DH private-key operations
464 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
466 o More compilation issues fixed.
467 o Adaptation to more modern Kerberos API.
468 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
469 o Enhanced x86_64 assembler BIGNUM module.
470 o More constification.
471 o Added processing of proxy certificates (RFC 3820).
473 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
475 o Several compilation issues fixed.
476 o Many memory allocation failure checks added.
477 o Improved comparison of X509 Name type.
478 o Mandatory basic checks on certificates.
479 o Performance improvements.
481 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
483 o Fix race condition in CRL checking code.
484 o Fixes to PKCS#7 (S/MIME) code.
486 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
488 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
489 o Security: Fix null-pointer assignment in do_change_cipher_spec()
490 o Allow multiple active certificates with same subject in CA index
491 o Multiple X509 verification fixes
492 o Speed up HMAC and other operations
494 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
496 o Security: fix various ASN1 parsing bugs.
497 o New -ignore_err option to OCSP utility.
498 o Various interop and bug fixes in S/MIME code.
499 o SSL/TLS protocol fix for unrequested client certificates.
501 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
503 o Security: counter the Klima-Pokorny-Rosa extension of
504 Bleichbacher's attack
505 o Security: make RSA blinding default.
506 o Configuration: Irix fixes, AIX fixes, better mingw support.
507 o Support for new platforms: linux-ia64-ecc.
508 o Build: shared library support fixes.
509 o ASN.1: treat domainComponent correctly.
510 o Documentation: fixes and additions.
512 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
514 o Security: Important security related bugfixes.
515 o Enhanced compatibility with MIT Kerberos.
516 o Can be built without the ENGINE framework.
517 o IA32 assembler enhancements.
518 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
519 o Configuration: the no-err option now works properly.
520 o SSL/TLS: now handles manual certificate chain building.
521 o SSL/TLS: certain session ID malfunctions corrected.
523 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
525 o New library section OCSP.
526 o Complete rewrite of ASN1 code.
527 o CRL checking in verify code and openssl utility.
528 o Extension copying in 'ca' utility.
529 o Flexible display options in 'ca' utility.
530 o Provisional support for international characters with UTF8.
531 o Support for external crypto devices ('engine') is no longer
532 a separate distribution.
533 o New elliptic curve library section.
534 o New AES (Rijndael) library section.
535 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
536 Linux x86_64, Linux 64-bit on Sparc v9
537 o Extended support for some platforms: VxWorks
538 o Enhanced support for shared libraries.
539 o Now only builds PIC code when shared library support is requested.
540 o Support for pkg-config.
541 o Lots of new manuals.
542 o Makes symbolic links to or copies of manuals to cover all described
544 o Change DES API to clean up the namespace (some applications link also
545 against libdes providing similar functions having the same name).
546 Provide macros for backward compatibility (will be removed in the
548 o Unify handling of cryptographic algorithms (software and engine)
549 to be available via EVP routines for asymmetric and symmetric ciphers.
550 o NCONF: new configuration handling routines.
551 o Change API to use more 'const' modifiers to improve error checking
553 o Finally remove references to RSAref.
554 o Reworked parts of the BIGNUM code.
555 o Support for new engines: Broadcom ubsec, Accelerated Encryption
556 Processing, IBM 4758.
557 o A few new engines added in the demos area.
558 o Extended and corrected OID (object identifier) table.
559 o PRNG: query at more locations for a random device, automatic query for
560 EGD style random sources at several locations.
561 o SSL/TLS: allow optional cipher choice according to server's preference.
562 o SSL/TLS: allow server to explicitly set new session ids.
563 o SSL/TLS: support Kerberos cipher suites (RFC2712).
564 Only supports MIT Kerberos for now.
565 o SSL/TLS: allow more precise control of renegotiations and sessions.
566 o SSL/TLS: add callback to retrieve SSL/TLS messages.
567 o SSL/TLS: support AES cipher suites (RFC3268).
569 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
571 o Security: fix various ASN1 parsing bugs.
572 o SSL/TLS protocol fix for unrequested client certificates.
574 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
576 o Security: counter the Klima-Pokorny-Rosa extension of
577 Bleichbacher's attack
578 o Security: make RSA blinding default.
579 o Build: shared library support fixes.
581 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
583 o Important security related bugfixes.
585 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
587 o New configuration targets for Tandem OSS and A/UX.
588 o New OIDs for Microsoft attributes.
589 o Better handling of SSL session caching.
590 o Better comparison of distinguished names.
591 o Better handling of shared libraries in a mixed GNU/non-GNU environment.
592 o Support assembler code with Borland C.
593 o Fixes for length problems.
594 o Fixes for uninitialised variables.
595 o Fixes for memory leaks, some unusual crashes and some race conditions.
596 o Fixes for smaller building problems.
597 o Updates of manuals, FAQ and other instructive documents.
599 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
601 o Important building fixes on Unix.
603 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
605 o Various important bugfixes.
607 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
609 o Important security related bugfixes.
610 o Various SSL/TLS library bugfixes.
612 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
614 o Various SSL/TLS library bugfixes.
615 o Fix DH parameter generation for 'non-standard' generators.
617 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
619 o Various SSL/TLS library bugfixes.
620 o BIGNUM library fixes.
621 o RSA OAEP and random number generation fixes.
622 o Object identifiers corrected and added.
623 o Add assembler BN routines for IA64.
624 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
625 MIPS Linux; shared library support for Irix, HP-UX.
626 o Add crypto accelerator support for AEP, Baltimore SureWare,
627 Broadcom and Cryptographic Appliance's keyserver
628 [in 0.9.6c-engine release].
630 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
632 o Security fix: PRNG improvements.
633 o Security fix: RSA OAEP check.
634 o Security fix: Reinsert and fix countermeasure to Bleichbacher's
636 o MIPS bug fix in BIGNUM.
637 o Bug fix in "openssl enc".
638 o Bug fix in X.509 printing routine.
639 o Bug fix in DSA verification routine and DSA S/MIME verification.
640 o Bug fix to make PRNG thread-safe.
641 o Bug fix in RAND_file_name().
642 o Bug fix in compatibility mode trust settings.
643 o Bug fix in blowfish EVP.
644 o Increase default size for BIO buffering filter.
645 o Compatibility fixes in some scripts.
647 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
649 o Security fix: change behavior of OpenSSL to avoid using
650 environment variables when running as root.
651 o Security fix: check the result of RSA-CRT to reduce the
652 possibility of deducing the private key from an incorrectly
653 calculated signature.
654 o Security fix: prevent Bleichenbacher's DSA attack.
655 o Security fix: Zero the premaster secret after deriving the
656 master secret in DH ciphersuites.
657 o Reimplement SSL_peek(), which had various problems.
658 o Compatibility fix: the function des_encrypt() renamed to
659 des_encrypt1() to avoid clashes with some Unixen libc.
660 o Bug fixes for Win32, HP/UX and Irix.
661 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
662 memory checking routines.
663 o Bug fixes for RSA operations in threaded environments.
664 o Bug fixes in misc. openssl applications.
665 o Remove a few potential memory leaks.
666 o Add tighter checks of BIGNUM routines.
667 o Shared library support has been reworked for generality.
668 o More documentation.
669 o New function BN_rand_range().
670 o Add "-rand" option to openssl s_client and s_server.
672 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
674 o Some documentation for BIO and SSL libraries.
675 o Enhanced chain verification using key identifiers.
676 o New sign and verify options to 'dgst' application.
677 o Support for DER and PEM encoded messages in 'smime' application.
678 o New 'rsautl' application, low level RSA utility.
680 o Bugfix for SSL rollback padding check.
681 o Support for external crypto devices [1].
682 o Enhanced EVP interface.
684 [1] The support for external crypto devices is currently a separate
685 distribution. See the file README.ENGINE.
687 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
689 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
690 o Shared library support for HPUX and Solaris-gcc
691 o Support of Linux/IA64
692 o Assembler support for Mingw32
693 o New 'rand' application
694 o New way to check for existence of algorithms from scripts
696 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
698 o S/MIME support in new 'smime' command
699 o Documentation for the OpenSSL command line application
700 o Automation of 'req' application
701 o Fixes to make s_client, s_server work under Windows
702 o Support for multiple fieldnames in SPKACs
703 o New SPKAC command line utilty and associated library functions
704 o Options to allow passwords to be obtained from various sources
705 o New public key PEM format and options to handle it
706 o Many other fixes and enhancements to command line utilities
707 o Usable certificate chain verification
708 o Certificate purpose checking
709 o Certificate trust settings
710 o Support of authority information access extension
711 o Extensions in certificate requests
712 o Simplified X509 name and attribute routines
713 o Initial (incomplete) support for international character sets
714 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
715 o Read only memory BIOs and simplified creation function
716 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
717 record; allow fragmentation and interleaving of handshake and other
719 o TLS/SSL code now "tolerates" MS SGC
720 o Work around for Netscape client certificate hang bug
721 o RSA_NULL option that removes RSA patent code but keeps other
723 o Memory leak detection now allows applications to add extra information
724 via a per-thread stack
725 o PRNG robustness improved
727 o BIGNUM library bug fixes
728 o Faster DSA parameter generation
729 o Enhanced support for Alpha Linux
730 o Experimental MacOS support
732 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
734 o Transparent support for PKCS#8 format private keys: these are used
735 by several software packages and are more secure than the standard
737 o PKCS#5 v2.0 implementation
738 o Password callbacks have a new void * argument for application data
739 o Avoid various memory leaks
740 o New pipe-like BIO that allows using the SSL library when actual I/O
741 must be handled by the application (BIO pair)
743 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
744 o Lots of enhancements and cleanups to the Configuration mechanism
745 o RSA OEAP related fixes
746 o Added `openssl ca -revoke' option for revoking a certificate
747 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
748 o Source tree cleanups: removed lots of obsolete files
749 o Thawte SXNet, certificate policies and CRL distribution points
751 o Preliminary (experimental) S/MIME support
752 o Support for ASN.1 UTF8String and VisibleString
753 o Full integration of PKCS#12 code
754 o Sparc assembler bignum implementation, optimized hash functions
755 o Option to disable selected ciphers
757 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
758 o Fixed a security hole related to session resumption
759 o Fixed RSA encryption routines for the p < q case
760 o "ALL" in cipher lists now means "everything except NULL ciphers"
761 o Support for Triple-DES CBCM cipher
762 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
763 o First support for new TLSv1 ciphers
764 o Added a few new BIOs (syslog BIO, reliable BIO)
765 o Extended support for DSA certificate/keys.
766 o Extended support for Certificate Signing Requests (CSR)
767 o Initial support for X.509v3 extensions
768 o Extended support for compression inside the SSL record layer
769 o Overhauled Win32 builds
770 o Cleanups and fixes to the Big Number (BN) library
771 o Support for ASN.1 GeneralizedTime
772 o Splitted ASN.1 SETs from SEQUENCEs
773 o ASN1 and PEM support for Netscape Certificate Sequences
774 o Overhauled Perl interface
775 o Lots of source tree cleanups.
776 o Lots of memory leak fixes.
779 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
780 o Integration of the popular NO_RSA/NO_DSA patches
781 o Initial support for compression inside the SSL record layer
782 o Added BIO proxy and filtering functionality
783 o Extended Big Number (BN) library
784 o Added RIPE MD160 message digest
785 o Addeed support for RC2/64bit cipher
786 o Extended ASN.1 parser routines
787 o Adjustations of the source tree for CVS
788 o Support for various new platforms