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 1.0.1j and OpenSSL 1.0.2 [in beta]:
10 o Suite B support for TLS 1.2 and DTLS 1.2
11 o Support for DTLS 1.2
12 o TLS automatic EC curve selection.
13 o API to set TLS supported signature algorithms and curves
14 o SSL_CONF configuration API.
15 o TLS Brainpool support.
17 o CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH.
19 Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
21 o Fix for CVE-2014-3513
22 o Fix for CVE-2014-3567
23 o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
24 o Fix for CVE-2014-3568
26 Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
28 o Fix for CVE-2014-3512
29 o Fix for CVE-2014-3511
30 o Fix for CVE-2014-3510
31 o Fix for CVE-2014-3507
32 o Fix for CVE-2014-3506
33 o Fix for CVE-2014-3505
34 o Fix for CVE-2014-3509
35 o Fix for CVE-2014-5139
36 o Fix for CVE-2014-3508
38 Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
40 o Fix for CVE-2014-0224
41 o Fix for CVE-2014-0221
42 o Fix for CVE-2014-0195
43 o Fix for CVE-2014-3470
44 o Fix for CVE-2010-5298
46 Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
48 o Fix for CVE-2014-0160
49 o Add TLS padding extension workaround for broken servers.
50 o Fix for CVE-2014-0076
52 Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
54 o Don't include gmt_unix_time in TLS server and client random values
55 o Fix for TLS record tampering bug CVE-2013-4353
56 o Fix for TLS version checking bug CVE-2013-6449
57 o Fix for DTLS retransmission bug CVE-2013-6450
59 Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
61 o Corrected fix for CVE-2013-0169
63 Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
65 o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
66 o Include the fips configuration module.
67 o Fix OCSP bad key DoS attack CVE-2013-0166
68 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
69 o Fix for TLS AESNI record handling flaw CVE-2012-2686
71 Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
73 o Fix TLS/DTLS record length checking bug CVE-2012-2333
74 o Don't attempt to use non-FIPS composite ciphers in FIPS mode.
76 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
78 o Fix compilation error on non-x86 platforms.
79 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
80 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
82 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
84 o Fix for ASN1 overflow bug CVE-2012-2110
85 o Workarounds for some servers that hang on long client hellos.
86 o Fix SEGV in AES code.
88 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
90 o TLS/DTLS heartbeat support.
92 o RFC 5705 TLS key material exporter.
93 o RFC 5764 DTLS-SRTP negotiation.
94 o Next Protocol Negotiation.
95 o PSS signatures in certificates, requests and CRLs.
96 o Support for password based recipient info for CMS.
97 o Support TLS v1.2 and TLS v1.1.
98 o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
101 Major changes between OpenSSL 1.0.0j and OpenSSL 1.0.0k [5 Feb 2013]:
103 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
104 o Fix OCSP bad key DoS attack CVE-2013-0166
106 Major changes between OpenSSL 1.0.0i and OpenSSL 1.0.0j [10 May 2012]:
108 o Fix DTLS record length checking bug CVE-2012-2333
110 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.0i [19 Apr 2012]:
112 o Fix for ASN1 overflow bug CVE-2012-2110
114 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
116 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
117 o Corrected fix for CVE-2011-4619
118 o Various DTLS fixes.
120 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
122 o Fix for DTLS DoS issue CVE-2012-0050
124 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
126 o Fix for DTLS plaintext recovery attack CVE-2011-4108
127 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
128 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
129 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
130 o Check for malformed RFC3779 data CVE-2011-4577
132 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
134 o Fix for CRL vulnerability issue CVE-2011-3207
135 o Fix for ECDH crashes CVE-2011-3210
136 o Protection against EC timing attacks.
137 o Support ECDH ciphersuites for certificates using SHA2 algorithms.
138 o Various DTLS fixes.
140 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
142 o Fix for security issue CVE-2011-0014
144 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
146 o Fix for security issue CVE-2010-4180
147 o Fix for CVE-2010-4252
148 o Fix mishandling of absent EC point format extension.
149 o Fix various platform compilation issues.
150 o Corrected fix for security issue CVE-2010-3864.
152 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
154 o Fix for security issue CVE-2010-3864.
155 o Fix for CVE-2010-2939
156 o Fix WIN32 build system for GOST ENGINE.
158 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
160 o Fix for security issue CVE-2010-1633.
161 o GOST MAC and CFB fixes.
163 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
165 o RFC3280 path validation: sufficient to process PKITS tests.
166 o Integrated support for PVK files and keyblobs.
167 o Change default private key format to PKCS#8.
168 o CMS support: able to process all examples in RFC4134
169 o Streaming ASN1 encode support for PKCS#7 and CMS.
170 o Multiple signer and signer add support for PKCS#7 and CMS.
171 o ASN1 printing support.
172 o Whirlpool hash algorithm added.
173 o RFC3161 time stamp support.
174 o New generalised public key API supporting ENGINE based algorithms.
175 o New generalised public key API utilities.
176 o New ENGINE supporting GOST algorithms.
177 o SSL/TLS GOST ciphersuite support.
178 o PKCS#7 and CMS GOST support.
179 o RFC4279 PSK ciphersuite support.
180 o Supported points format extension for ECC ciphersuites.
181 o ecdsa-with-SHA224/256/384/512 signature types.
182 o dsa-with-SHA224 and dsa-with-SHA256 signature types.
183 o Opaque PRF Input TLS extension support.
184 o Updated time routines to avoid OS limitations.
186 Major changes between OpenSSL 0.9.8x and OpenSSL 0.9.8y [5 Feb 2013]:
188 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
189 o Fix OCSP bad key DoS attack CVE-2013-0166
191 Major changes between OpenSSL 0.9.8w and OpenSSL 0.9.8x [10 May 2012]:
193 o Fix DTLS record length checking bug CVE-2012-2333
195 Major changes between OpenSSL 0.9.8v and OpenSSL 0.9.8w [23 Apr 2012]:
197 o Fix for CVE-2012-2131 (corrected fix for 0.9.8 and CVE-2012-2110)
199 Major changes between OpenSSL 0.9.8u and OpenSSL 0.9.8v [19 Apr 2012]:
201 o Fix for ASN1 overflow bug CVE-2012-2110
203 Major changes between OpenSSL 0.9.8t and OpenSSL 0.9.8u [12 Mar 2012]:
205 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
206 o Corrected fix for CVE-2011-4619
207 o Various DTLS fixes.
209 Major changes between OpenSSL 0.9.8s and OpenSSL 0.9.8t [18 Jan 2012]:
211 o Fix for DTLS DoS issue CVE-2012-0050
213 Major changes between OpenSSL 0.9.8r and OpenSSL 0.9.8s [4 Jan 2012]:
215 o Fix for DTLS plaintext recovery attack CVE-2011-4108
216 o Fix policy check double free error CVE-2011-4109
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 for malformed RFC3779 data CVE-2011-4577
221 Major changes between OpenSSL 0.9.8q and OpenSSL 0.9.8r [8 Feb 2011]:
223 o Fix for security issue CVE-2011-0014
225 Major changes between OpenSSL 0.9.8p and OpenSSL 0.9.8q [2 Dec 2010]:
227 o Fix for security issue CVE-2010-4180
228 o Fix for CVE-2010-4252
230 Major changes between OpenSSL 0.9.8o and OpenSSL 0.9.8p [16 Nov 2010]:
232 o Fix for security issue CVE-2010-3864.
234 Major changes between OpenSSL 0.9.8n and OpenSSL 0.9.8o [1 Jun 2010]:
236 o Fix for security issue CVE-2010-0742.
237 o Various DTLS fixes.
238 o Recognise SHA2 certificates if only SSL algorithms added.
239 o Fix for no-rc4 compilation.
240 o Chil ENGINE unload workaround.
242 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
244 o CFB cipher definition fixes.
245 o Fix security issues CVE-2010-0740 and CVE-2010-0433.
247 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
249 o Cipher definition fixes.
250 o Workaround for slow RAND_poll() on some WIN32 versions.
251 o Remove MD2 from algorithm tables.
252 o SPKAC handling fixes.
253 o Support for RFC5746 TLS renegotiation extension.
254 o Compression memory leak fixed.
255 o Compression session resumption fixed.
256 o Ticket and SNI coexistence fixes.
257 o Many fixes to DTLS handling.
259 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
261 o Temporary work around for CVE-2009-3555: disable renegotiation.
263 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
265 o Fix various build issues.
266 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
268 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
270 o Fix security issue (CVE-2008-5077)
271 o Merge FIPS 140-2 branch code.
273 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
275 o CryptoAPI ENGINE support.
276 o Various precautionary measures.
277 o Fix for bugs affecting certificate request creation.
278 o Support for local machine keyset attribute in PKCS#12 files.
280 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
282 o Backport of CMS functionality to 0.9.8.
283 o Fixes for bugs introduced with 0.9.8f.
285 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
287 o Add gcc 4.2 support.
288 o Add support for AES and SSE2 assembly lanugauge optimization
290 o Support for RFC4507bis and server name extensions if explicitly
291 selected at compile time.
293 o RFC4507bis support.
294 o TLS Extensions support.
296 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
298 o Various ciphersuite selection fixes.
301 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
303 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
304 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
305 o Changes to ciphersuite selection algorithm
307 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
309 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
310 o New cipher Camellia
312 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
314 o Cipher string fixes.
315 o Fixes for VC++ 2005.
316 o Updated ECC cipher suite support.
317 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
318 o Zlib compression usage fixes.
319 o Built in dynamic engine compilation support on Win32.
320 o Fixes auto dynamic engine loading in Win32.
322 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
324 o Fix potential SSL 2.0 rollback, CVE-2005-2969
325 o Extended Windows CE support
327 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
329 o Major work on the BIGNUM library for higher efficiency and to
330 make operations more streamlined and less contradictory. This
331 is the result of a major audit of the BIGNUM library.
332 o Addition of BIGNUM functions for fields GF(2^m) and NIST
333 curves, to support the Elliptic Crypto functions.
334 o Major work on Elliptic Crypto; ECDH and ECDSA added, including
335 the use through EVP, X509 and ENGINE.
336 o New ASN.1 mini-compiler that's usable through the OpenSSL
338 o Added support for ASN.1 indefinite length constructed encoding.
339 o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
340 o Complete rework of shared library construction and linking
341 programs with shared or static libraries, through a separate
343 o Rework of the passing of parameters from one Makefile to another.
344 o Changed ENGINE framework to load dynamic engine modules
345 automatically from specifically given directories.
346 o New structure and ASN.1 functions for CertificatePair.
347 o Changed the ZLIB compression method to be stateful.
348 o Changed the key-generation and primality testing "progress"
349 mechanism to take a structure that contains the ticker
350 function and an argument.
351 o New engine module: GMP (performs private key exponentiation).
352 o New engine module: VIA PadLOck ACE extension in VIA C3
354 o Added support for IPv6 addresses in certificate extensions.
355 See RFC 1884, section 2.2.
356 o Added support for certificate policy mappings, policy
357 constraints and name constraints.
358 o Added support for multi-valued AVAs in the OpenSSL
360 o Added support for multiple certificates with the same subject
361 in the 'openssl ca' index file.
362 o Make it possible to create self-signed certificates using
363 'openssl ca -selfsign'.
364 o Make it possible to generate a serial number file with
365 'openssl ca -create_serial'.
366 o New binary search functions with extended functionality.
368 o New STORE structure and library to provide an interface to all
369 sorts of data repositories. Supports storage of public and
370 private keys, certificates, CRLs, numbers and arbitrary blobs.
371 This library is unfortunately unfinished and unused withing
373 o New control functions for the error stack.
374 o Changed the PKCS#7 library to support one-pass S/MIME
376 o Added the possibility to compile without old deprecated
377 functionality with the OPENSSL_NO_DEPRECATED macro or the
378 'no-deprecated' argument to the config and Configure scripts.
379 o Constification of all ASN.1 conversion functions, and other
381 o Improved platform support for PowerPC.
382 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
383 o New X509_VERIFY_PARAM structure to support parametrisation
384 of X.509 path validation.
385 o Major overhaul of RC4 performance on Intel P4, IA-64 and
387 o Changed the Configure script to have some algorithms disabled
388 by default. Those can be explicitely enabled with the new
389 argument form 'enable-xxx'.
390 o Change the default digest in 'openssl' commands from MD5 to
392 o Added support for DTLS.
393 o New BIGNUM blinding.
394 o Added support for the RSA-PSS encryption scheme
395 o Added support for the RSA X.931 padding.
396 o Added support for BSD sockets on NetWare.
397 o Added support for files larger than 2GB.
398 o Added initial support for Win64.
399 o Added alternate pkg-config files.
401 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
403 o FIPS 1.1.1 module linking.
404 o Various ciphersuite selection fixes.
406 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
408 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
409 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
411 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
413 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
415 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
417 o Visual C++ 2005 fixes.
418 o Update Windows build system for FIPS.
420 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
422 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
424 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
426 o Fix SSL 2.0 Rollback, CVE-2005-2969
427 o Allow use of fixed-length exponent on DSA signing
428 o Default fixed-window RSA, DSA, DH private-key operations
430 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
432 o More compilation issues fixed.
433 o Adaptation to more modern Kerberos API.
434 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
435 o Enhanced x86_64 assembler BIGNUM module.
436 o More constification.
437 o Added processing of proxy certificates (RFC 3820).
439 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
441 o Several compilation issues fixed.
442 o Many memory allocation failure checks added.
443 o Improved comparison of X509 Name type.
444 o Mandatory basic checks on certificates.
445 o Performance improvements.
447 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
449 o Fix race condition in CRL checking code.
450 o Fixes to PKCS#7 (S/MIME) code.
452 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
454 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
455 o Security: Fix null-pointer assignment in do_change_cipher_spec()
456 o Allow multiple active certificates with same subject in CA index
457 o Multiple X509 verification fixes
458 o Speed up HMAC and other operations
460 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
462 o Security: fix various ASN1 parsing bugs.
463 o New -ignore_err option to OCSP utility.
464 o Various interop and bug fixes in S/MIME code.
465 o SSL/TLS protocol fix for unrequested client certificates.
467 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
469 o Security: counter the Klima-Pokorny-Rosa extension of
470 Bleichbacher's attack
471 o Security: make RSA blinding default.
472 o Configuration: Irix fixes, AIX fixes, better mingw support.
473 o Support for new platforms: linux-ia64-ecc.
474 o Build: shared library support fixes.
475 o ASN.1: treat domainComponent correctly.
476 o Documentation: fixes and additions.
478 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
480 o Security: Important security related bugfixes.
481 o Enhanced compatibility with MIT Kerberos.
482 o Can be built without the ENGINE framework.
483 o IA32 assembler enhancements.
484 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
485 o Configuration: the no-err option now works properly.
486 o SSL/TLS: now handles manual certificate chain building.
487 o SSL/TLS: certain session ID malfunctions corrected.
489 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
491 o New library section OCSP.
492 o Complete rewrite of ASN1 code.
493 o CRL checking in verify code and openssl utility.
494 o Extension copying in 'ca' utility.
495 o Flexible display options in 'ca' utility.
496 o Provisional support for international characters with UTF8.
497 o Support for external crypto devices ('engine') is no longer
498 a separate distribution.
499 o New elliptic curve library section.
500 o New AES (Rijndael) library section.
501 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
502 Linux x86_64, Linux 64-bit on Sparc v9
503 o Extended support for some platforms: VxWorks
504 o Enhanced support for shared libraries.
505 o Now only builds PIC code when shared library support is requested.
506 o Support for pkg-config.
507 o Lots of new manuals.
508 o Makes symbolic links to or copies of manuals to cover all described
510 o Change DES API to clean up the namespace (some applications link also
511 against libdes providing similar functions having the same name).
512 Provide macros for backward compatibility (will be removed in the
514 o Unify handling of cryptographic algorithms (software and engine)
515 to be available via EVP routines for asymmetric and symmetric ciphers.
516 o NCONF: new configuration handling routines.
517 o Change API to use more 'const' modifiers to improve error checking
519 o Finally remove references to RSAref.
520 o Reworked parts of the BIGNUM code.
521 o Support for new engines: Broadcom ubsec, Accelerated Encryption
522 Processing, IBM 4758.
523 o A few new engines added in the demos area.
524 o Extended and corrected OID (object identifier) table.
525 o PRNG: query at more locations for a random device, automatic query for
526 EGD style random sources at several locations.
527 o SSL/TLS: allow optional cipher choice according to server's preference.
528 o SSL/TLS: allow server to explicitly set new session ids.
529 o SSL/TLS: support Kerberos cipher suites (RFC2712).
530 Only supports MIT Kerberos for now.
531 o SSL/TLS: allow more precise control of renegotiations and sessions.
532 o SSL/TLS: add callback to retrieve SSL/TLS messages.
533 o SSL/TLS: support AES cipher suites (RFC3268).
535 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
537 o Security: fix various ASN1 parsing bugs.
538 o SSL/TLS protocol fix for unrequested client certificates.
540 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
542 o Security: counter the Klima-Pokorny-Rosa extension of
543 Bleichbacher's attack
544 o Security: make RSA blinding default.
545 o Build: shared library support fixes.
547 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
549 o Important security related bugfixes.
551 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
553 o New configuration targets for Tandem OSS and A/UX.
554 o New OIDs for Microsoft attributes.
555 o Better handling of SSL session caching.
556 o Better comparison of distinguished names.
557 o Better handling of shared libraries in a mixed GNU/non-GNU environment.
558 o Support assembler code with Borland C.
559 o Fixes for length problems.
560 o Fixes for uninitialised variables.
561 o Fixes for memory leaks, some unusual crashes and some race conditions.
562 o Fixes for smaller building problems.
563 o Updates of manuals, FAQ and other instructive documents.
565 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
567 o Important building fixes on Unix.
569 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
571 o Various important bugfixes.
573 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
575 o Important security related bugfixes.
576 o Various SSL/TLS library bugfixes.
578 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
580 o Various SSL/TLS library bugfixes.
581 o Fix DH parameter generation for 'non-standard' generators.
583 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
585 o Various SSL/TLS library bugfixes.
586 o BIGNUM library fixes.
587 o RSA OAEP and random number generation fixes.
588 o Object identifiers corrected and added.
589 o Add assembler BN routines for IA64.
590 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
591 MIPS Linux; shared library support for Irix, HP-UX.
592 o Add crypto accelerator support for AEP, Baltimore SureWare,
593 Broadcom and Cryptographic Appliance's keyserver
594 [in 0.9.6c-engine release].
596 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
598 o Security fix: PRNG improvements.
599 o Security fix: RSA OAEP check.
600 o Security fix: Reinsert and fix countermeasure to Bleichbacher's
602 o MIPS bug fix in BIGNUM.
603 o Bug fix in "openssl enc".
604 o Bug fix in X.509 printing routine.
605 o Bug fix in DSA verification routine and DSA S/MIME verification.
606 o Bug fix to make PRNG thread-safe.
607 o Bug fix in RAND_file_name().
608 o Bug fix in compatibility mode trust settings.
609 o Bug fix in blowfish EVP.
610 o Increase default size for BIO buffering filter.
611 o Compatibility fixes in some scripts.
613 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
615 o Security fix: change behavior of OpenSSL to avoid using
616 environment variables when running as root.
617 o Security fix: check the result of RSA-CRT to reduce the
618 possibility of deducing the private key from an incorrectly
619 calculated signature.
620 o Security fix: prevent Bleichenbacher's DSA attack.
621 o Security fix: Zero the premaster secret after deriving the
622 master secret in DH ciphersuites.
623 o Reimplement SSL_peek(), which had various problems.
624 o Compatibility fix: the function des_encrypt() renamed to
625 des_encrypt1() to avoid clashes with some Unixen libc.
626 o Bug fixes for Win32, HP/UX and Irix.
627 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
628 memory checking routines.
629 o Bug fixes for RSA operations in threaded environments.
630 o Bug fixes in misc. openssl applications.
631 o Remove a few potential memory leaks.
632 o Add tighter checks of BIGNUM routines.
633 o Shared library support has been reworked for generality.
634 o More documentation.
635 o New function BN_rand_range().
636 o Add "-rand" option to openssl s_client and s_server.
638 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
640 o Some documentation for BIO and SSL libraries.
641 o Enhanced chain verification using key identifiers.
642 o New sign and verify options to 'dgst' application.
643 o Support for DER and PEM encoded messages in 'smime' application.
644 o New 'rsautl' application, low level RSA utility.
646 o Bugfix for SSL rollback padding check.
647 o Support for external crypto devices [1].
648 o Enhanced EVP interface.
650 [1] The support for external crypto devices is currently a separate
651 distribution. See the file README.ENGINE.
653 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
655 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
656 o Shared library support for HPUX and Solaris-gcc
657 o Support of Linux/IA64
658 o Assembler support for Mingw32
659 o New 'rand' application
660 o New way to check for existence of algorithms from scripts
662 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
664 o S/MIME support in new 'smime' command
665 o Documentation for the OpenSSL command line application
666 o Automation of 'req' application
667 o Fixes to make s_client, s_server work under Windows
668 o Support for multiple fieldnames in SPKACs
669 o New SPKAC command line utilty and associated library functions
670 o Options to allow passwords to be obtained from various sources
671 o New public key PEM format and options to handle it
672 o Many other fixes and enhancements to command line utilities
673 o Usable certificate chain verification
674 o Certificate purpose checking
675 o Certificate trust settings
676 o Support of authority information access extension
677 o Extensions in certificate requests
678 o Simplified X509 name and attribute routines
679 o Initial (incomplete) support for international character sets
680 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
681 o Read only memory BIOs and simplified creation function
682 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
683 record; allow fragmentation and interleaving of handshake and other
685 o TLS/SSL code now "tolerates" MS SGC
686 o Work around for Netscape client certificate hang bug
687 o RSA_NULL option that removes RSA patent code but keeps other
689 o Memory leak detection now allows applications to add extra information
690 via a per-thread stack
691 o PRNG robustness improved
693 o BIGNUM library bug fixes
694 o Faster DSA parameter generation
695 o Enhanced support for Alpha Linux
696 o Experimental MacOS support
698 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
700 o Transparent support for PKCS#8 format private keys: these are used
701 by several software packages and are more secure than the standard
703 o PKCS#5 v2.0 implementation
704 o Password callbacks have a new void * argument for application data
705 o Avoid various memory leaks
706 o New pipe-like BIO that allows using the SSL library when actual I/O
707 must be handled by the application (BIO pair)
709 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
710 o Lots of enhancements and cleanups to the Configuration mechanism
711 o RSA OEAP related fixes
712 o Added `openssl ca -revoke' option for revoking a certificate
713 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
714 o Source tree cleanups: removed lots of obsolete files
715 o Thawte SXNet, certificate policies and CRL distribution points
717 o Preliminary (experimental) S/MIME support
718 o Support for ASN.1 UTF8String and VisibleString
719 o Full integration of PKCS#12 code
720 o Sparc assembler bignum implementation, optimized hash functions
721 o Option to disable selected ciphers
723 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
724 o Fixed a security hole related to session resumption
725 o Fixed RSA encryption routines for the p < q case
726 o "ALL" in cipher lists now means "everything except NULL ciphers"
727 o Support for Triple-DES CBCM cipher
728 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
729 o First support for new TLSv1 ciphers
730 o Added a few new BIOs (syslog BIO, reliable BIO)
731 o Extended support for DSA certificate/keys.
732 o Extended support for Certificate Signing Requests (CSR)
733 o Initial support for X.509v3 extensions
734 o Extended support for compression inside the SSL record layer
735 o Overhauled Win32 builds
736 o Cleanups and fixes to the Big Number (BN) library
737 o Support for ASN.1 GeneralizedTime
738 o Splitted ASN.1 SETs from SEQUENCEs
739 o ASN1 and PEM support for Netscape Certificate Sequences
740 o Overhauled Perl interface
741 o Lots of source tree cleanups.
742 o Lots of memory leak fixes.
745 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
746 o Integration of the popular NO_RSA/NO_DSA patches
747 o Initial support for compression inside the SSL record layer
748 o Added BIO proxy and filtering functionality
749 o Extended Big Number (BN) library
750 o Added RIPE MD160 message digest
751 o Addeed support for RC2/64bit cipher
752 o Extended ASN.1 parser routines
753 o Adjustations of the source tree for CVS
754 o Support for various new platforms