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 1.0.1n and OpenSSL 1.0.1o [under development]
12 Major changes between OpenSSL 1.0.1m and OpenSSL 1.0.1n [11 Jun 2015]
14 o Malformed ECParameters causes infinite loop (CVE-2015-1788)
15 o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789)
16 o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790)
17 o CMS verify infinite loop with unknown hash function (CVE-2015-1792)
18 o Race condition handling NewSessionTicket (CVE-2015-1791)
20 Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.1m [19 Mar 2015]
22 o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286)
23 o ASN.1 structure reuse memory corruption fix (CVE-2015-0287)
24 o PKCS7 NULL pointer dereferences fix (CVE-2015-0289)
25 o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293)
26 o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209)
27 o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288)
28 o Removed the export ciphers from the DEFAULT ciphers
30 Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]
32 o Build fixes for the Windows and OpenVMS platforms
34 Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]
36 o Fix for CVE-2014-3571
37 o Fix for CVE-2015-0206
38 o Fix for CVE-2014-3569
39 o Fix for CVE-2014-3572
40 o Fix for CVE-2015-0204
41 o Fix for CVE-2015-0205
42 o Fix for CVE-2014-8275
43 o Fix for CVE-2014-3570
45 Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
47 o Fix for CVE-2014-3513
48 o Fix for CVE-2014-3567
49 o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
50 o Fix for CVE-2014-3568
52 Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
54 o Fix for CVE-2014-3512
55 o Fix for CVE-2014-3511
56 o Fix for CVE-2014-3510
57 o Fix for CVE-2014-3507
58 o Fix for CVE-2014-3506
59 o Fix for CVE-2014-3505
60 o Fix for CVE-2014-3509
61 o Fix for CVE-2014-5139
62 o Fix for CVE-2014-3508
64 Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
66 o Fix for CVE-2014-0224
67 o Fix for CVE-2014-0221
68 o Fix for CVE-2014-0198
69 o Fix for CVE-2014-0195
70 o Fix for CVE-2014-3470
71 o Fix for CVE-2010-5298
73 Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
75 o Fix for CVE-2014-0160
76 o Add TLS padding extension workaround for broken servers.
77 o Fix for CVE-2014-0076
79 Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
81 o Don't include gmt_unix_time in TLS server and client random values
82 o Fix for TLS record tampering bug CVE-2013-4353
83 o Fix for TLS version checking bug CVE-2013-6449
84 o Fix for DTLS retransmission bug CVE-2013-6450
86 Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
88 o Corrected fix for CVE-2013-0169
90 Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
92 o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
93 o Include the fips configuration module.
94 o Fix OCSP bad key DoS attack CVE-2013-0166
95 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
96 o Fix for TLS AESNI record handling flaw CVE-2012-2686
98 Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
100 o Fix TLS/DTLS record length checking bug CVE-2012-2333
101 o Don't attempt to use non-FIPS composite ciphers in FIPS mode.
103 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
105 o Fix compilation error on non-x86 platforms.
106 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
107 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
109 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
111 o Fix for ASN1 overflow bug CVE-2012-2110
112 o Workarounds for some servers that hang on long client hellos.
113 o Fix SEGV in AES code.
115 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
117 o TLS/DTLS heartbeat support.
119 o RFC 5705 TLS key material exporter.
120 o RFC 5764 DTLS-SRTP negotiation.
121 o Next Protocol Negotiation.
122 o PSS signatures in certificates, requests and CRLs.
123 o Support for password based recipient info for CMS.
124 o Support TLS v1.2 and TLS v1.1.
125 o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
128 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
130 o Fix for CMS/PKCS#7 MMA CVE-2012-0884
131 o Corrected fix for CVE-2011-4619
132 o Various DTLS fixes.
134 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
136 o Fix for DTLS DoS issue CVE-2012-0050
138 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
140 o Fix for DTLS plaintext recovery attack CVE-2011-4108
141 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
142 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
143 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
144 o Check for malformed RFC3779 data CVE-2011-4577
146 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
148 o Fix for CRL vulnerability issue CVE-2011-3207
149 o Fix for ECDH crashes CVE-2011-3210
150 o Protection against EC timing attacks.
151 o Support ECDH ciphersuites for certificates using SHA2 algorithms.
152 o Various DTLS fixes.
154 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
156 o Fix for security issue CVE-2011-0014
158 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
160 o Fix for security issue CVE-2010-4180
161 o Fix for CVE-2010-4252
162 o Fix mishandling of absent EC point format extension.
163 o Fix various platform compilation issues.
164 o Corrected fix for security issue CVE-2010-3864.
166 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
168 o Fix for security issue CVE-2010-3864.
169 o Fix for CVE-2010-2939
170 o Fix WIN32 build system for GOST ENGINE.
172 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
174 o Fix for security issue CVE-2010-1633.
175 o GOST MAC and CFB fixes.
177 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
179 o RFC3280 path validation: sufficient to process PKITS tests.
180 o Integrated support for PVK files and keyblobs.
181 o Change default private key format to PKCS#8.
182 o CMS support: able to process all examples in RFC4134
183 o Streaming ASN1 encode support for PKCS#7 and CMS.
184 o Multiple signer and signer add support for PKCS#7 and CMS.
185 o ASN1 printing support.
186 o Whirlpool hash algorithm added.
187 o RFC3161 time stamp support.
188 o New generalised public key API supporting ENGINE based algorithms.
189 o New generalised public key API utilities.
190 o New ENGINE supporting GOST algorithms.
191 o SSL/TLS GOST ciphersuite support.
192 o PKCS#7 and CMS GOST support.
193 o RFC4279 PSK ciphersuite support.
194 o Supported points format extension for ECC ciphersuites.
195 o ecdsa-with-SHA224/256/384/512 signature types.
196 o dsa-with-SHA224 and dsa-with-SHA256 signature types.
197 o Opaque PRF Input TLS extension support.
198 o Updated time routines to avoid OS limitations.
200 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
202 o CFB cipher definition fixes.
203 o Fix security issues CVE-2010-0740 and CVE-2010-0433.
205 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
207 o Cipher definition fixes.
208 o Workaround for slow RAND_poll() on some WIN32 versions.
209 o Remove MD2 from algorithm tables.
210 o SPKAC handling fixes.
211 o Support for RFC5746 TLS renegotiation extension.
212 o Compression memory leak fixed.
213 o Compression session resumption fixed.
214 o Ticket and SNI coexistence fixes.
215 o Many fixes to DTLS handling.
217 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
219 o Temporary work around for CVE-2009-3555: disable renegotiation.
221 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
223 o Fix various build issues.
224 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
226 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
228 o Fix security issue (CVE-2008-5077)
229 o Merge FIPS 140-2 branch code.
231 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
233 o CryptoAPI ENGINE support.
234 o Various precautionary measures.
235 o Fix for bugs affecting certificate request creation.
236 o Support for local machine keyset attribute in PKCS#12 files.
238 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
240 o Backport of CMS functionality to 0.9.8.
241 o Fixes for bugs introduced with 0.9.8f.
243 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
245 o Add gcc 4.2 support.
246 o Add support for AES and SSE2 assembly lanugauge optimization
248 o Support for RFC4507bis and server name extensions if explicitly
249 selected at compile time.
251 o RFC4507bis support.
252 o TLS Extensions support.
254 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
256 o Various ciphersuite selection fixes.
259 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
261 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
262 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
263 o Changes to ciphersuite selection algorithm
265 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
267 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
268 o New cipher Camellia
270 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
272 o Cipher string fixes.
273 o Fixes for VC++ 2005.
274 o Updated ECC cipher suite support.
275 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
276 o Zlib compression usage fixes.
277 o Built in dynamic engine compilation support on Win32.
278 o Fixes auto dynamic engine loading in Win32.
280 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
282 o Fix potential SSL 2.0 rollback, CVE-2005-2969
283 o Extended Windows CE support
285 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
287 o Major work on the BIGNUM library for higher efficiency and to
288 make operations more streamlined and less contradictory. This
289 is the result of a major audit of the BIGNUM library.
290 o Addition of BIGNUM functions for fields GF(2^m) and NIST
291 curves, to support the Elliptic Crypto functions.
292 o Major work on Elliptic Crypto; ECDH and ECDSA added, including
293 the use through EVP, X509 and ENGINE.
294 o New ASN.1 mini-compiler that's usable through the OpenSSL
296 o Added support for ASN.1 indefinite length constructed encoding.
297 o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
298 o Complete rework of shared library construction and linking
299 programs with shared or static libraries, through a separate
301 o Rework of the passing of parameters from one Makefile to another.
302 o Changed ENGINE framework to load dynamic engine modules
303 automatically from specifically given directories.
304 o New structure and ASN.1 functions for CertificatePair.
305 o Changed the ZLIB compression method to be stateful.
306 o Changed the key-generation and primality testing "progress"
307 mechanism to take a structure that contains the ticker
308 function and an argument.
309 o New engine module: GMP (performs private key exponentiation).
310 o New engine module: VIA PadLOck ACE extension in VIA C3
312 o Added support for IPv6 addresses in certificate extensions.
313 See RFC 1884, section 2.2.
314 o Added support for certificate policy mappings, policy
315 constraints and name constraints.
316 o Added support for multi-valued AVAs in the OpenSSL
318 o Added support for multiple certificates with the same subject
319 in the 'openssl ca' index file.
320 o Make it possible to create self-signed certificates using
321 'openssl ca -selfsign'.
322 o Make it possible to generate a serial number file with
323 'openssl ca -create_serial'.
324 o New binary search functions with extended functionality.
326 o New STORE structure and library to provide an interface to all
327 sorts of data repositories. Supports storage of public and
328 private keys, certificates, CRLs, numbers and arbitrary blobs.
329 This library is unfortunately unfinished and unused withing
331 o New control functions for the error stack.
332 o Changed the PKCS#7 library to support one-pass S/MIME
334 o Added the possibility to compile without old deprecated
335 functionality with the OPENSSL_NO_DEPRECATED macro or the
336 'no-deprecated' argument to the config and Configure scripts.
337 o Constification of all ASN.1 conversion functions, and other
339 o Improved platform support for PowerPC.
340 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
341 o New X509_VERIFY_PARAM structure to support parametrisation
342 of X.509 path validation.
343 o Major overhaul of RC4 performance on Intel P4, IA-64 and
345 o Changed the Configure script to have some algorithms disabled
346 by default. Those can be explicitely enabled with the new
347 argument form 'enable-xxx'.
348 o Change the default digest in 'openssl' commands from MD5 to
350 o Added support for DTLS.
351 o New BIGNUM blinding.
352 o Added support for the RSA-PSS encryption scheme
353 o Added support for the RSA X.931 padding.
354 o Added support for BSD sockets on NetWare.
355 o Added support for files larger than 2GB.
356 o Added initial support for Win64.
357 o Added alternate pkg-config files.
359 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
361 o FIPS 1.1.1 module linking.
362 o Various ciphersuite selection fixes.
364 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
366 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
367 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
369 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
371 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
373 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
375 o Visual C++ 2005 fixes.
376 o Update Windows build system for FIPS.
378 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
380 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
382 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
384 o Fix SSL 2.0 Rollback, CVE-2005-2969
385 o Allow use of fixed-length exponent on DSA signing
386 o Default fixed-window RSA, DSA, DH private-key operations
388 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
390 o More compilation issues fixed.
391 o Adaptation to more modern Kerberos API.
392 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
393 o Enhanced x86_64 assembler BIGNUM module.
394 o More constification.
395 o Added processing of proxy certificates (RFC 3820).
397 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
399 o Several compilation issues fixed.
400 o Many memory allocation failure checks added.
401 o Improved comparison of X509 Name type.
402 o Mandatory basic checks on certificates.
403 o Performance improvements.
405 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
407 o Fix race condition in CRL checking code.
408 o Fixes to PKCS#7 (S/MIME) code.
410 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
412 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
413 o Security: Fix null-pointer assignment in do_change_cipher_spec()
414 o Allow multiple active certificates with same subject in CA index
415 o Multiple X509 verification fixes
416 o Speed up HMAC and other operations
418 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
420 o Security: fix various ASN1 parsing bugs.
421 o New -ignore_err option to OCSP utility.
422 o Various interop and bug fixes in S/MIME code.
423 o SSL/TLS protocol fix for unrequested client certificates.
425 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
427 o Security: counter the Klima-Pokorny-Rosa extension of
428 Bleichbacher's attack
429 o Security: make RSA blinding default.
430 o Configuration: Irix fixes, AIX fixes, better mingw support.
431 o Support for new platforms: linux-ia64-ecc.
432 o Build: shared library support fixes.
433 o ASN.1: treat domainComponent correctly.
434 o Documentation: fixes and additions.
436 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
438 o Security: Important security related bugfixes.
439 o Enhanced compatibility with MIT Kerberos.
440 o Can be built without the ENGINE framework.
441 o IA32 assembler enhancements.
442 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
443 o Configuration: the no-err option now works properly.
444 o SSL/TLS: now handles manual certificate chain building.
445 o SSL/TLS: certain session ID malfunctions corrected.
447 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
449 o New library section OCSP.
450 o Complete rewrite of ASN1 code.
451 o CRL checking in verify code and openssl utility.
452 o Extension copying in 'ca' utility.
453 o Flexible display options in 'ca' utility.
454 o Provisional support for international characters with UTF8.
455 o Support for external crypto devices ('engine') is no longer
456 a separate distribution.
457 o New elliptic curve library section.
458 o New AES (Rijndael) library section.
459 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
460 Linux x86_64, Linux 64-bit on Sparc v9
461 o Extended support for some platforms: VxWorks
462 o Enhanced support for shared libraries.
463 o Now only builds PIC code when shared library support is requested.
464 o Support for pkg-config.
465 o Lots of new manuals.
466 o Makes symbolic links to or copies of manuals to cover all described
468 o Change DES API to clean up the namespace (some applications link also
469 against libdes providing similar functions having the same name).
470 Provide macros for backward compatibility (will be removed in the
472 o Unify handling of cryptographic algorithms (software and engine)
473 to be available via EVP routines for asymmetric and symmetric ciphers.
474 o NCONF: new configuration handling routines.
475 o Change API to use more 'const' modifiers to improve error checking
477 o Finally remove references to RSAref.
478 o Reworked parts of the BIGNUM code.
479 o Support for new engines: Broadcom ubsec, Accelerated Encryption
480 Processing, IBM 4758.
481 o A few new engines added in the demos area.
482 o Extended and corrected OID (object identifier) table.
483 o PRNG: query at more locations for a random device, automatic query for
484 EGD style random sources at several locations.
485 o SSL/TLS: allow optional cipher choice according to server's preference.
486 o SSL/TLS: allow server to explicitly set new session ids.
487 o SSL/TLS: support Kerberos cipher suites (RFC2712).
488 Only supports MIT Kerberos for now.
489 o SSL/TLS: allow more precise control of renegotiations and sessions.
490 o SSL/TLS: add callback to retrieve SSL/TLS messages.
491 o SSL/TLS: support AES cipher suites (RFC3268).
493 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
495 o Security: fix various ASN1 parsing bugs.
496 o SSL/TLS protocol fix for unrequested client certificates.
498 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
500 o Security: counter the Klima-Pokorny-Rosa extension of
501 Bleichbacher's attack
502 o Security: make RSA blinding default.
503 o Build: shared library support fixes.
505 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
507 o Important security related bugfixes.
509 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
511 o New configuration targets for Tandem OSS and A/UX.
512 o New OIDs for Microsoft attributes.
513 o Better handling of SSL session caching.
514 o Better comparison of distinguished names.
515 o Better handling of shared libraries in a mixed GNU/non-GNU environment.
516 o Support assembler code with Borland C.
517 o Fixes for length problems.
518 o Fixes for uninitialised variables.
519 o Fixes for memory leaks, some unusual crashes and some race conditions.
520 o Fixes for smaller building problems.
521 o Updates of manuals, FAQ and other instructive documents.
523 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
525 o Important building fixes on Unix.
527 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
529 o Various important bugfixes.
531 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
533 o Important security related bugfixes.
534 o Various SSL/TLS library bugfixes.
536 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
538 o Various SSL/TLS library bugfixes.
539 o Fix DH parameter generation for 'non-standard' generators.
541 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
543 o Various SSL/TLS library bugfixes.
544 o BIGNUM library fixes.
545 o RSA OAEP and random number generation fixes.
546 o Object identifiers corrected and added.
547 o Add assembler BN routines for IA64.
548 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
549 MIPS Linux; shared library support for Irix, HP-UX.
550 o Add crypto accelerator support for AEP, Baltimore SureWare,
551 Broadcom and Cryptographic Appliance's keyserver
552 [in 0.9.6c-engine release].
554 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
556 o Security fix: PRNG improvements.
557 o Security fix: RSA OAEP check.
558 o Security fix: Reinsert and fix countermeasure to Bleichbacher's
560 o MIPS bug fix in BIGNUM.
561 o Bug fix in "openssl enc".
562 o Bug fix in X.509 printing routine.
563 o Bug fix in DSA verification routine and DSA S/MIME verification.
564 o Bug fix to make PRNG thread-safe.
565 o Bug fix in RAND_file_name().
566 o Bug fix in compatibility mode trust settings.
567 o Bug fix in blowfish EVP.
568 o Increase default size for BIO buffering filter.
569 o Compatibility fixes in some scripts.
571 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
573 o Security fix: change behavior of OpenSSL to avoid using
574 environment variables when running as root.
575 o Security fix: check the result of RSA-CRT to reduce the
576 possibility of deducing the private key from an incorrectly
577 calculated signature.
578 o Security fix: prevent Bleichenbacher's DSA attack.
579 o Security fix: Zero the premaster secret after deriving the
580 master secret in DH ciphersuites.
581 o Reimplement SSL_peek(), which had various problems.
582 o Compatibility fix: the function des_encrypt() renamed to
583 des_encrypt1() to avoid clashes with some Unixen libc.
584 o Bug fixes for Win32, HP/UX and Irix.
585 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
586 memory checking routines.
587 o Bug fixes for RSA operations in threaded environments.
588 o Bug fixes in misc. openssl applications.
589 o Remove a few potential memory leaks.
590 o Add tighter checks of BIGNUM routines.
591 o Shared library support has been reworked for generality.
592 o More documentation.
593 o New function BN_rand_range().
594 o Add "-rand" option to openssl s_client and s_server.
596 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
598 o Some documentation for BIO and SSL libraries.
599 o Enhanced chain verification using key identifiers.
600 o New sign and verify options to 'dgst' application.
601 o Support for DER and PEM encoded messages in 'smime' application.
602 o New 'rsautl' application, low level RSA utility.
604 o Bugfix for SSL rollback padding check.
605 o Support for external crypto devices [1].
606 o Enhanced EVP interface.
608 [1] The support for external crypto devices is currently a separate
609 distribution. See the file README.ENGINE.
611 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
613 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
614 o Shared library support for HPUX and Solaris-gcc
615 o Support of Linux/IA64
616 o Assembler support for Mingw32
617 o New 'rand' application
618 o New way to check for existence of algorithms from scripts
620 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
622 o S/MIME support in new 'smime' command
623 o Documentation for the OpenSSL command line application
624 o Automation of 'req' application
625 o Fixes to make s_client, s_server work under Windows
626 o Support for multiple fieldnames in SPKACs
627 o New SPKAC command line utilty and associated library functions
628 o Options to allow passwords to be obtained from various sources
629 o New public key PEM format and options to handle it
630 o Many other fixes and enhancements to command line utilities
631 o Usable certificate chain verification
632 o Certificate purpose checking
633 o Certificate trust settings
634 o Support of authority information access extension
635 o Extensions in certificate requests
636 o Simplified X509 name and attribute routines
637 o Initial (incomplete) support for international character sets
638 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
639 o Read only memory BIOs and simplified creation function
640 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
641 record; allow fragmentation and interleaving of handshake and other
643 o TLS/SSL code now "tolerates" MS SGC
644 o Work around for Netscape client certificate hang bug
645 o RSA_NULL option that removes RSA patent code but keeps other
647 o Memory leak detection now allows applications to add extra information
648 via a per-thread stack
649 o PRNG robustness improved
651 o BIGNUM library bug fixes
652 o Faster DSA parameter generation
653 o Enhanced support for Alpha Linux
654 o Experimental MacOS support
656 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
658 o Transparent support for PKCS#8 format private keys: these are used
659 by several software packages and are more secure than the standard
661 o PKCS#5 v2.0 implementation
662 o Password callbacks have a new void * argument for application data
663 o Avoid various memory leaks
664 o New pipe-like BIO that allows using the SSL library when actual I/O
665 must be handled by the application (BIO pair)
667 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
668 o Lots of enhancements and cleanups to the Configuration mechanism
669 o RSA OEAP related fixes
670 o Added `openssl ca -revoke' option for revoking a certificate
671 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
672 o Source tree cleanups: removed lots of obsolete files
673 o Thawte SXNet, certificate policies and CRL distribution points
675 o Preliminary (experimental) S/MIME support
676 o Support for ASN.1 UTF8String and VisibleString
677 o Full integration of PKCS#12 code
678 o Sparc assembler bignum implementation, optimized hash functions
679 o Option to disable selected ciphers
681 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
682 o Fixed a security hole related to session resumption
683 o Fixed RSA encryption routines for the p < q case
684 o "ALL" in cipher lists now means "everything except NULL ciphers"
685 o Support for Triple-DES CBCM cipher
686 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
687 o First support for new TLSv1 ciphers
688 o Added a few new BIOs (syslog BIO, reliable BIO)
689 o Extended support for DSA certificate/keys.
690 o Extended support for Certificate Signing Requests (CSR)
691 o Initial support for X.509v3 extensions
692 o Extended support for compression inside the SSL record layer
693 o Overhauled Win32 builds
694 o Cleanups and fixes to the Big Number (BN) library
695 o Support for ASN.1 GeneralizedTime
696 o Splitted ASN.1 SETs from SEQUENCEs
697 o ASN1 and PEM support for Netscape Certificate Sequences
698 o Overhauled Perl interface
699 o Lots of source tree cleanups.
700 o Lots of memory leak fixes.
703 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
704 o Integration of the popular NO_RSA/NO_DSA patches
705 o Initial support for compression inside the SSL record layer
706 o Added BIO proxy and filtering functionality
707 o Extended Big Number (BN) library
708 o Added RIPE MD160 message digest
709 o Addeed support for RC2/64bit cipher
710 o Extended ASN.1 parser routines
711 o Adjustations of the source tree for CVS
712 o Support for various new platforms