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 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
10 o Fix for CVE-2014-3513
11 o Fix for CVE-2014-3567
12 o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
13 o Fix for CVE-2014-3568
15 Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
17 o Fix for CVE-2014-3512
18 o Fix for CVE-2014-3511
19 o Fix for CVE-2014-3510
20 o Fix for CVE-2014-3507
21 o Fix for CVE-2014-3506
22 o Fix for CVE-2014-3505
23 o Fix for CVE-2014-3509
24 o Fix for CVE-2014-5139
25 o Fix for CVE-2014-3508
27 Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
29 o Fix for CVE-2014-0224
30 o Fix for CVE-2014-0221
31 o Fix for CVE-2014-0198
32 o Fix for CVE-2014-0195
33 o Fix for CVE-2014-3470
34 o Fix for CVE-2010-5298
36 Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
38 o Fix for CVE-2014-0160
39 o Add TLS padding extension workaround for broken servers.
40 o Fix for CVE-2014-0076
42 Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
44 o Don't include gmt_unix_time in TLS server and client random values
45 o Fix for TLS record tampering bug CVE-2013-4353
46 o Fix for TLS version checking bug CVE-2013-6449
47 o Fix for DTLS retransmission bug CVE-2013-6450
49 Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
51 o Corrected fix for CVE-2013-0169
53 Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
55 o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
56 o Include the fips configuration module.
57 o Fix OCSP bad key DoS attack CVE-2013-0166
58 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
59 o Fix for TLS AESNI record handling flaw CVE-2012-2686
61 Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
63 o Fix TLS/DTLS record length checking bug CVE-2012-2333
64 o Don't attempt to use non-FIPS composite ciphers in FIPS mode.
66 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
68 o Fix compilation error on non-x86 platforms.
69 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
70 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
72 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
74 o Fix for ASN1 overflow bug CVE-2012-2110
75 o Workarounds for some servers that hang on long client hellos.
76 o Fix SEGV in AES code.
78 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
80 o TLS/DTLS heartbeat support.
82 o RFC 5705 TLS key material exporter.
83 o RFC 5764 DTLS-SRTP negotiation.
84 o Next Protocol Negotiation.
85 o PSS signatures in certificates, requests and CRLs.
86 o Support for password based recipient info for CMS.
87 o Support TLS v1.2 and TLS v1.1.
88 o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
91 Major changes between OpenSSL 1.0.0j and OpenSSL 1.0.0k [5 Feb 2013]:
93 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
94 o Fix OCSP bad key DoS attack CVE-2013-0166
96 Major changes between OpenSSL 1.0.0i and OpenSSL 1.0.0j [10 May 2012]:
98 o Fix DTLS record length checking bug CVE-2012-2333
100 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.0i [19 Apr 2012]:
102 o Fix for ASN1 overflow bug CVE-2012-2110
104 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
106 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
107 o Corrected fix for CVE-2011-4619
108 o Various DTLS fixes.
110 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
112 o Fix for DTLS DoS issue CVE-2012-0050
114 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
116 o Fix for DTLS plaintext recovery attack CVE-2011-4108
117 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
118 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
119 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
120 o Check for malformed RFC3779 data CVE-2011-4577
122 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
124 o Fix for CRL vulnerability issue CVE-2011-3207
125 o Fix for ECDH crashes CVE-2011-3210
126 o Protection against EC timing attacks.
127 o Support ECDH ciphersuites for certificates using SHA2 algorithms.
128 o Various DTLS fixes.
130 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
132 o Fix for security issue CVE-2011-0014
134 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
136 o Fix for security issue CVE-2010-4180
137 o Fix for CVE-2010-4252
138 o Fix mishandling of absent EC point format extension.
139 o Fix various platform compilation issues.
140 o Corrected fix for security issue CVE-2010-3864.
142 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
144 o Fix for security issue CVE-2010-3864.
145 o Fix for CVE-2010-2939
146 o Fix WIN32 build system for GOST ENGINE.
148 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
150 o Fix for security issue CVE-2010-1633.
151 o GOST MAC and CFB fixes.
153 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
155 o RFC3280 path validation: sufficient to process PKITS tests.
156 o Integrated support for PVK files and keyblobs.
157 o Change default private key format to PKCS#8.
158 o CMS support: able to process all examples in RFC4134
159 o Streaming ASN1 encode support for PKCS#7 and CMS.
160 o Multiple signer and signer add support for PKCS#7 and CMS.
161 o ASN1 printing support.
162 o Whirlpool hash algorithm added.
163 o RFC3161 time stamp support.
164 o New generalised public key API supporting ENGINE based algorithms.
165 o New generalised public key API utilities.
166 o New ENGINE supporting GOST algorithms.
167 o SSL/TLS GOST ciphersuite support.
168 o PKCS#7 and CMS GOST support.
169 o RFC4279 PSK ciphersuite support.
170 o Supported points format extension for ECC ciphersuites.
171 o ecdsa-with-SHA224/256/384/512 signature types.
172 o dsa-with-SHA224 and dsa-with-SHA256 signature types.
173 o Opaque PRF Input TLS extension support.
174 o Updated time routines to avoid OS limitations.
176 Major changes between OpenSSL 0.9.8x and OpenSSL 0.9.8y [5 Feb 2013]:
178 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
179 o Fix OCSP bad key DoS attack CVE-2013-0166
181 Major changes between OpenSSL 0.9.8w and OpenSSL 0.9.8x [10 May 2012]:
183 o Fix DTLS record length checking bug CVE-2012-2333
185 Major changes between OpenSSL 0.9.8v and OpenSSL 0.9.8w [23 Apr 2012]:
187 o Fix for CVE-2012-2131 (corrected fix for 0.9.8 and CVE-2012-2110)
189 Major changes between OpenSSL 0.9.8u and OpenSSL 0.9.8v [19 Apr 2012]:
191 o Fix for ASN1 overflow bug CVE-2012-2110
193 Major changes between OpenSSL 0.9.8t and OpenSSL 0.9.8u [12 Mar 2012]:
195 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
196 o Corrected fix for CVE-2011-4619
197 o Various DTLS fixes.
199 Major changes between OpenSSL 0.9.8s and OpenSSL 0.9.8t [18 Jan 2012]:
201 o Fix for DTLS DoS issue CVE-2012-0050
203 Major changes between OpenSSL 0.9.8r and OpenSSL 0.9.8s [4 Jan 2012]:
205 o Fix for DTLS plaintext recovery attack CVE-2011-4108
206 o Fix policy check double free error CVE-2011-4109
207 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
208 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
209 o Check for malformed RFC3779 data CVE-2011-4577
211 Major changes between OpenSSL 0.9.8q and OpenSSL 0.9.8r [8 Feb 2011]:
213 o Fix for security issue CVE-2011-0014
215 Major changes between OpenSSL 0.9.8p and OpenSSL 0.9.8q [2 Dec 2010]:
217 o Fix for security issue CVE-2010-4180
218 o Fix for CVE-2010-4252
220 Major changes between OpenSSL 0.9.8o and OpenSSL 0.9.8p [16 Nov 2010]:
222 o Fix for security issue CVE-2010-3864.
224 Major changes between OpenSSL 0.9.8n and OpenSSL 0.9.8o [1 Jun 2010]:
226 o Fix for security issue CVE-2010-0742.
227 o Various DTLS fixes.
228 o Recognise SHA2 certificates if only SSL algorithms added.
229 o Fix for no-rc4 compilation.
230 o Chil ENGINE unload workaround.
232 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
234 o CFB cipher definition fixes.
235 o Fix security issues CVE-2010-0740 and CVE-2010-0433.
237 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
239 o Cipher definition fixes.
240 o Workaround for slow RAND_poll() on some WIN32 versions.
241 o Remove MD2 from algorithm tables.
242 o SPKAC handling fixes.
243 o Support for RFC5746 TLS renegotiation extension.
244 o Compression memory leak fixed.
245 o Compression session resumption fixed.
246 o Ticket and SNI coexistence fixes.
247 o Many fixes to DTLS handling.
249 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
251 o Temporary work around for CVE-2009-3555: disable renegotiation.
253 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
255 o Fix various build issues.
256 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
258 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
260 o Fix security issue (CVE-2008-5077)
261 o Merge FIPS 140-2 branch code.
263 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
265 o CryptoAPI ENGINE support.
266 o Various precautionary measures.
267 o Fix for bugs affecting certificate request creation.
268 o Support for local machine keyset attribute in PKCS#12 files.
270 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
272 o Backport of CMS functionality to 0.9.8.
273 o Fixes for bugs introduced with 0.9.8f.
275 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
277 o Add gcc 4.2 support.
278 o Add support for AES and SSE2 assembly lanugauge optimization
280 o Support for RFC4507bis and server name extensions if explicitly
281 selected at compile time.
283 o RFC4507bis support.
284 o TLS Extensions support.
286 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
288 o Various ciphersuite selection fixes.
291 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
293 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
294 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
295 o Changes to ciphersuite selection algorithm
297 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
299 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
300 o New cipher Camellia
302 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
304 o Cipher string fixes.
305 o Fixes for VC++ 2005.
306 o Updated ECC cipher suite support.
307 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
308 o Zlib compression usage fixes.
309 o Built in dynamic engine compilation support on Win32.
310 o Fixes auto dynamic engine loading in Win32.
312 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
314 o Fix potential SSL 2.0 rollback, CVE-2005-2969
315 o Extended Windows CE support
317 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
319 o Major work on the BIGNUM library for higher efficiency and to
320 make operations more streamlined and less contradictory. This
321 is the result of a major audit of the BIGNUM library.
322 o Addition of BIGNUM functions for fields GF(2^m) and NIST
323 curves, to support the Elliptic Crypto functions.
324 o Major work on Elliptic Crypto; ECDH and ECDSA added, including
325 the use through EVP, X509 and ENGINE.
326 o New ASN.1 mini-compiler that's usable through the OpenSSL
328 o Added support for ASN.1 indefinite length constructed encoding.
329 o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
330 o Complete rework of shared library construction and linking
331 programs with shared or static libraries, through a separate
333 o Rework of the passing of parameters from one Makefile to another.
334 o Changed ENGINE framework to load dynamic engine modules
335 automatically from specifically given directories.
336 o New structure and ASN.1 functions for CertificatePair.
337 o Changed the ZLIB compression method to be stateful.
338 o Changed the key-generation and primality testing "progress"
339 mechanism to take a structure that contains the ticker
340 function and an argument.
341 o New engine module: GMP (performs private key exponentiation).
342 o New engine module: VIA PadLOck ACE extension in VIA C3
344 o Added support for IPv6 addresses in certificate extensions.
345 See RFC 1884, section 2.2.
346 o Added support for certificate policy mappings, policy
347 constraints and name constraints.
348 o Added support for multi-valued AVAs in the OpenSSL
350 o Added support for multiple certificates with the same subject
351 in the 'openssl ca' index file.
352 o Make it possible to create self-signed certificates using
353 'openssl ca -selfsign'.
354 o Make it possible to generate a serial number file with
355 'openssl ca -create_serial'.
356 o New binary search functions with extended functionality.
358 o New STORE structure and library to provide an interface to all
359 sorts of data repositories. Supports storage of public and
360 private keys, certificates, CRLs, numbers and arbitrary blobs.
361 This library is unfortunately unfinished and unused withing
363 o New control functions for the error stack.
364 o Changed the PKCS#7 library to support one-pass S/MIME
366 o Added the possibility to compile without old deprecated
367 functionality with the OPENSSL_NO_DEPRECATED macro or the
368 'no-deprecated' argument to the config and Configure scripts.
369 o Constification of all ASN.1 conversion functions, and other
371 o Improved platform support for PowerPC.
372 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
373 o New X509_VERIFY_PARAM structure to support parametrisation
374 of X.509 path validation.
375 o Major overhaul of RC4 performance on Intel P4, IA-64 and
377 o Changed the Configure script to have some algorithms disabled
378 by default. Those can be explicitely enabled with the new
379 argument form 'enable-xxx'.
380 o Change the default digest in 'openssl' commands from MD5 to
382 o Added support for DTLS.
383 o New BIGNUM blinding.
384 o Added support for the RSA-PSS encryption scheme
385 o Added support for the RSA X.931 padding.
386 o Added support for BSD sockets on NetWare.
387 o Added support for files larger than 2GB.
388 o Added initial support for Win64.
389 o Added alternate pkg-config files.
391 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
393 o FIPS 1.1.1 module linking.
394 o Various ciphersuite selection fixes.
396 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
398 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
399 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
401 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
403 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
405 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
407 o Visual C++ 2005 fixes.
408 o Update Windows build system for FIPS.
410 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
412 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
414 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
416 o Fix SSL 2.0 Rollback, CVE-2005-2969
417 o Allow use of fixed-length exponent on DSA signing
418 o Default fixed-window RSA, DSA, DH private-key operations
420 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
422 o More compilation issues fixed.
423 o Adaptation to more modern Kerberos API.
424 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
425 o Enhanced x86_64 assembler BIGNUM module.
426 o More constification.
427 o Added processing of proxy certificates (RFC 3820).
429 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
431 o Several compilation issues fixed.
432 o Many memory allocation failure checks added.
433 o Improved comparison of X509 Name type.
434 o Mandatory basic checks on certificates.
435 o Performance improvements.
437 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
439 o Fix race condition in CRL checking code.
440 o Fixes to PKCS#7 (S/MIME) code.
442 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
444 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
445 o Security: Fix null-pointer assignment in do_change_cipher_spec()
446 o Allow multiple active certificates with same subject in CA index
447 o Multiple X509 verification fixes
448 o Speed up HMAC and other operations
450 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
452 o Security: fix various ASN1 parsing bugs.
453 o New -ignore_err option to OCSP utility.
454 o Various interop and bug fixes in S/MIME code.
455 o SSL/TLS protocol fix for unrequested client certificates.
457 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
459 o Security: counter the Klima-Pokorny-Rosa extension of
460 Bleichbacher's attack
461 o Security: make RSA blinding default.
462 o Configuration: Irix fixes, AIX fixes, better mingw support.
463 o Support for new platforms: linux-ia64-ecc.
464 o Build: shared library support fixes.
465 o ASN.1: treat domainComponent correctly.
466 o Documentation: fixes and additions.
468 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
470 o Security: Important security related bugfixes.
471 o Enhanced compatibility with MIT Kerberos.
472 o Can be built without the ENGINE framework.
473 o IA32 assembler enhancements.
474 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
475 o Configuration: the no-err option now works properly.
476 o SSL/TLS: now handles manual certificate chain building.
477 o SSL/TLS: certain session ID malfunctions corrected.
479 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
481 o New library section OCSP.
482 o Complete rewrite of ASN1 code.
483 o CRL checking in verify code and openssl utility.
484 o Extension copying in 'ca' utility.
485 o Flexible display options in 'ca' utility.
486 o Provisional support for international characters with UTF8.
487 o Support for external crypto devices ('engine') is no longer
488 a separate distribution.
489 o New elliptic curve library section.
490 o New AES (Rijndael) library section.
491 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
492 Linux x86_64, Linux 64-bit on Sparc v9
493 o Extended support for some platforms: VxWorks
494 o Enhanced support for shared libraries.
495 o Now only builds PIC code when shared library support is requested.
496 o Support for pkg-config.
497 o Lots of new manuals.
498 o Makes symbolic links to or copies of manuals to cover all described
500 o Change DES API to clean up the namespace (some applications link also
501 against libdes providing similar functions having the same name).
502 Provide macros for backward compatibility (will be removed in the
504 o Unify handling of cryptographic algorithms (software and engine)
505 to be available via EVP routines for asymmetric and symmetric ciphers.
506 o NCONF: new configuration handling routines.
507 o Change API to use more 'const' modifiers to improve error checking
509 o Finally remove references to RSAref.
510 o Reworked parts of the BIGNUM code.
511 o Support for new engines: Broadcom ubsec, Accelerated Encryption
512 Processing, IBM 4758.
513 o A few new engines added in the demos area.
514 o Extended and corrected OID (object identifier) table.
515 o PRNG: query at more locations for a random device, automatic query for
516 EGD style random sources at several locations.
517 o SSL/TLS: allow optional cipher choice according to server's preference.
518 o SSL/TLS: allow server to explicitly set new session ids.
519 o SSL/TLS: support Kerberos cipher suites (RFC2712).
520 Only supports MIT Kerberos for now.
521 o SSL/TLS: allow more precise control of renegotiations and sessions.
522 o SSL/TLS: add callback to retrieve SSL/TLS messages.
523 o SSL/TLS: support AES cipher suites (RFC3268).
525 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
527 o Security: fix various ASN1 parsing bugs.
528 o SSL/TLS protocol fix for unrequested client certificates.
530 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
532 o Security: counter the Klima-Pokorny-Rosa extension of
533 Bleichbacher's attack
534 o Security: make RSA blinding default.
535 o Build: shared library support fixes.
537 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
539 o Important security related bugfixes.
541 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
543 o New configuration targets for Tandem OSS and A/UX.
544 o New OIDs for Microsoft attributes.
545 o Better handling of SSL session caching.
546 o Better comparison of distinguished names.
547 o Better handling of shared libraries in a mixed GNU/non-GNU environment.
548 o Support assembler code with Borland C.
549 o Fixes for length problems.
550 o Fixes for uninitialised variables.
551 o Fixes for memory leaks, some unusual crashes and some race conditions.
552 o Fixes for smaller building problems.
553 o Updates of manuals, FAQ and other instructive documents.
555 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
557 o Important building fixes on Unix.
559 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
561 o Various important bugfixes.
563 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
565 o Important security related bugfixes.
566 o Various SSL/TLS library bugfixes.
568 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
570 o Various SSL/TLS library bugfixes.
571 o Fix DH parameter generation for 'non-standard' generators.
573 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
575 o Various SSL/TLS library bugfixes.
576 o BIGNUM library fixes.
577 o RSA OAEP and random number generation fixes.
578 o Object identifiers corrected and added.
579 o Add assembler BN routines for IA64.
580 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
581 MIPS Linux; shared library support for Irix, HP-UX.
582 o Add crypto accelerator support for AEP, Baltimore SureWare,
583 Broadcom and Cryptographic Appliance's keyserver
584 [in 0.9.6c-engine release].
586 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
588 o Security fix: PRNG improvements.
589 o Security fix: RSA OAEP check.
590 o Security fix: Reinsert and fix countermeasure to Bleichbacher's
592 o MIPS bug fix in BIGNUM.
593 o Bug fix in "openssl enc".
594 o Bug fix in X.509 printing routine.
595 o Bug fix in DSA verification routine and DSA S/MIME verification.
596 o Bug fix to make PRNG thread-safe.
597 o Bug fix in RAND_file_name().
598 o Bug fix in compatibility mode trust settings.
599 o Bug fix in blowfish EVP.
600 o Increase default size for BIO buffering filter.
601 o Compatibility fixes in some scripts.
603 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
605 o Security fix: change behavior of OpenSSL to avoid using
606 environment variables when running as root.
607 o Security fix: check the result of RSA-CRT to reduce the
608 possibility of deducing the private key from an incorrectly
609 calculated signature.
610 o Security fix: prevent Bleichenbacher's DSA attack.
611 o Security fix: Zero the premaster secret after deriving the
612 master secret in DH ciphersuites.
613 o Reimplement SSL_peek(), which had various problems.
614 o Compatibility fix: the function des_encrypt() renamed to
615 des_encrypt1() to avoid clashes with some Unixen libc.
616 o Bug fixes for Win32, HP/UX and Irix.
617 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
618 memory checking routines.
619 o Bug fixes for RSA operations in threaded environments.
620 o Bug fixes in misc. openssl applications.
621 o Remove a few potential memory leaks.
622 o Add tighter checks of BIGNUM routines.
623 o Shared library support has been reworked for generality.
624 o More documentation.
625 o New function BN_rand_range().
626 o Add "-rand" option to openssl s_client and s_server.
628 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
630 o Some documentation for BIO and SSL libraries.
631 o Enhanced chain verification using key identifiers.
632 o New sign and verify options to 'dgst' application.
633 o Support for DER and PEM encoded messages in 'smime' application.
634 o New 'rsautl' application, low level RSA utility.
636 o Bugfix for SSL rollback padding check.
637 o Support for external crypto devices [1].
638 o Enhanced EVP interface.
640 [1] The support for external crypto devices is currently a separate
641 distribution. See the file README.ENGINE.
643 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
645 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
646 o Shared library support for HPUX and Solaris-gcc
647 o Support of Linux/IA64
648 o Assembler support for Mingw32
649 o New 'rand' application
650 o New way to check for existence of algorithms from scripts
652 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
654 o S/MIME support in new 'smime' command
655 o Documentation for the OpenSSL command line application
656 o Automation of 'req' application
657 o Fixes to make s_client, s_server work under Windows
658 o Support for multiple fieldnames in SPKACs
659 o New SPKAC command line utilty and associated library functions
660 o Options to allow passwords to be obtained from various sources
661 o New public key PEM format and options to handle it
662 o Many other fixes and enhancements to command line utilities
663 o Usable certificate chain verification
664 o Certificate purpose checking
665 o Certificate trust settings
666 o Support of authority information access extension
667 o Extensions in certificate requests
668 o Simplified X509 name and attribute routines
669 o Initial (incomplete) support for international character sets
670 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
671 o Read only memory BIOs and simplified creation function
672 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
673 record; allow fragmentation and interleaving of handshake and other
675 o TLS/SSL code now "tolerates" MS SGC
676 o Work around for Netscape client certificate hang bug
677 o RSA_NULL option that removes RSA patent code but keeps other
679 o Memory leak detection now allows applications to add extra information
680 via a per-thread stack
681 o PRNG robustness improved
683 o BIGNUM library bug fixes
684 o Faster DSA parameter generation
685 o Enhanced support for Alpha Linux
686 o Experimental MacOS support
688 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
690 o Transparent support for PKCS#8 format private keys: these are used
691 by several software packages and are more secure than the standard
693 o PKCS#5 v2.0 implementation
694 o Password callbacks have a new void * argument for application data
695 o Avoid various memory leaks
696 o New pipe-like BIO that allows using the SSL library when actual I/O
697 must be handled by the application (BIO pair)
699 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
700 o Lots of enhancements and cleanups to the Configuration mechanism
701 o RSA OEAP related fixes
702 o Added `openssl ca -revoke' option for revoking a certificate
703 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
704 o Source tree cleanups: removed lots of obsolete files
705 o Thawte SXNet, certificate policies and CRL distribution points
707 o Preliminary (experimental) S/MIME support
708 o Support for ASN.1 UTF8String and VisibleString
709 o Full integration of PKCS#12 code
710 o Sparc assembler bignum implementation, optimized hash functions
711 o Option to disable selected ciphers
713 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
714 o Fixed a security hole related to session resumption
715 o Fixed RSA encryption routines for the p < q case
716 o "ALL" in cipher lists now means "everything except NULL ciphers"
717 o Support for Triple-DES CBCM cipher
718 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
719 o First support for new TLSv1 ciphers
720 o Added a few new BIOs (syslog BIO, reliable BIO)
721 o Extended support for DSA certificate/keys.
722 o Extended support for Certificate Signing Requests (CSR)
723 o Initial support for X.509v3 extensions
724 o Extended support for compression inside the SSL record layer
725 o Overhauled Win32 builds
726 o Cleanups and fixes to the Big Number (BN) library
727 o Support for ASN.1 GeneralizedTime
728 o Splitted ASN.1 SETs from SEQUENCEs
729 o ASN1 and PEM support for Netscape Certificate Sequences
730 o Overhauled Perl interface
731 o Lots of source tree cleanups.
732 o Lots of memory leak fixes.
735 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
736 o Integration of the popular NO_RSA/NO_DSA patches
737 o Initial support for compression inside the SSL record layer
738 o Added BIO proxy and filtering functionality
739 o Extended Big Number (BN) library
740 o Added RIPE MD160 message digest
741 o Addeed support for RC2/64bit cipher
742 o Extended ASN.1 parser routines
743 o Adjustations of the source tree for CVS
744 o Support for various new platforms