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