NEWS

   1
   2   NEWS
   3   ====
   4
   5   This file gives a brief overview of the major changes between each OpenSSL
   6   release. For more details please read the CHANGES file.
   7
   8   Major changes between OpenSSL 1.0.1t and OpenSSL 1.0.1u [under development]
   9
  10       o
  11
  12   Major changes between OpenSSL 1.0.1s and OpenSSL 1.0.1t [3 May 2016]
  13
  14       o Prevent padding oracle in AES-NI CBC MAC check (CVE-2016-2107)
  15       o Fix EVP_EncodeUpdate overflow (CVE-2016-2105)
  16       o Fix EVP_EncryptUpdate overflow (CVE-2016-2106)
  17       o Prevent ASN.1 BIO excessive memory allocation (CVE-2016-2109)
  18       o EBCDIC overread (CVE-2016-2176)
  19       o Modify behavior of ALPN to invoke callback after SNI/servername
  20         callback, such that updates to the SSL_CTX affect ALPN.
  21       o Remove LOW from the DEFAULT cipher list.  This removes singles DES from
  22         the default.
  23       o Only remove the SSLv2 methods with the no-ssl2-method option.
  24
  25   Major changes between OpenSSL 1.0.1r and OpenSSL 1.0.1s [1 Mar 2016]
  26
  27       o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
  28       o Disable SSLv2 default build, default negotiation and weak ciphers
  29         (CVE-2016-0800)
  30       o Fix a double-free in DSA code (CVE-2016-0705)
  31       o Disable SRP fake user seed to address a server memory leak
  32         (CVE-2016-0798)
  33       o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
  34         (CVE-2016-0797)
  35       o Fix memory issues in BIO_*printf functions (CVE-2016-0799)
  36       o Fix side channel attack on modular exponentiation (CVE-2016-0702)
  37
  38   Major changes between OpenSSL 1.0.1q and OpenSSL 1.0.1r [28 Jan 2016]
  39
  40       o Protection for DH small subgroup attacks
  41       o SSLv2 doesn't block disabled ciphers (CVE-2015-3197)
  42
  43   Major changes between OpenSSL 1.0.1p and OpenSSL 1.0.1q [3 Dec 2015]
  44
  45       o Certificate verify crash with missing PSS parameter (CVE-2015-3194)
  46       o X509_ATTRIBUTE memory leak (CVE-2015-3195)
  47       o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
  48       o In DSA_generate_parameters_ex, if the provided seed is too short,
  49         return an error
  50
  51   Major changes between OpenSSL 1.0.1o and OpenSSL 1.0.1p [9 Jul 2015]
  52
  53       o Alternate chains certificate forgery (CVE-2015-1793)
  54       o Race condition handling PSK identify hint (CVE-2015-3196)
  55
  56   Major changes between OpenSSL 1.0.1n and OpenSSL 1.0.1o [12 Jun 2015]
  57
  58       o Fix HMAC ABI incompatibility
  59
  60   Major changes between OpenSSL 1.0.1m and OpenSSL 1.0.1n [11 Jun 2015]
  61
  62       o Malformed ECParameters causes infinite loop (CVE-2015-1788)
  63       o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789)
  64       o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790)
  65       o CMS verify infinite loop with unknown hash function (CVE-2015-1792)
  66       o Race condition handling NewSessionTicket (CVE-2015-1791)
  67
  68   Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.1m [19 Mar 2015]
  69
  70       o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286)
  71       o ASN.1 structure reuse memory corruption fix (CVE-2015-0287)
  72       o PKCS7 NULL pointer dereferences fix (CVE-2015-0289)
  73       o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293)
  74       o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209)
  75       o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288)
  76       o Removed the export ciphers from the DEFAULT ciphers
  77
  78   Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]
  79
  80       o Build fixes for the Windows and OpenVMS platforms
  81
  82   Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]
  83
  84       o Fix for CVE-2014-3571
  85       o Fix for CVE-2015-0206
  86       o Fix for CVE-2014-3569
  87       o Fix for CVE-2014-3572
  88       o Fix for CVE-2015-0204
  89       o Fix for CVE-2015-0205
  90       o Fix for CVE-2014-8275
  91       o Fix for CVE-2014-3570
  92
  93   Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
  94
  95       o Fix for CVE-2014-3513
  96       o Fix for CVE-2014-3567
  97       o Mitigation for CVE-2014-3566 (SSL protocol vulnerability)
  98       o Fix for CVE-2014-3568
  99
 100   Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
 101
 102       o Fix for CVE-2014-3512
 103       o Fix for CVE-2014-3511
 104       o Fix for CVE-2014-3510
 105       o Fix for CVE-2014-3507
 106       o Fix for CVE-2014-3506
 107       o Fix for CVE-2014-3505
 108       o Fix for CVE-2014-3509
 109       o Fix for CVE-2014-5139
 110       o Fix for CVE-2014-3508
 111
 112   Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
 113
 114       o Fix for CVE-2014-0224
 115       o Fix for CVE-2014-0221
 116       o Fix for CVE-2014-0198
 117       o Fix for CVE-2014-0195
 118       o Fix for CVE-2014-3470
 119       o Fix for CVE-2010-5298
 120
 121   Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
 122
 123       o Fix for CVE-2014-0160
 124       o Add TLS padding extension workaround for broken servers.
 125       o Fix for CVE-2014-0076
 126
 127   Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
 128
 129       o Don't include gmt_unix_time in TLS server and client random values
 130       o Fix for TLS record tampering bug CVE-2013-4353
 131       o Fix for TLS version checking bug CVE-2013-6449
 132       o Fix for DTLS retransmission bug CVE-2013-6450
 133
 134   Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]:
 135
 136       o Corrected fix for CVE-2013-0169
 137
 138   Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]:
 139
 140       o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
 141       o Include the fips configuration module.
 142       o Fix OCSP bad key DoS attack CVE-2013-0166
 143       o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
 144       o Fix for TLS AESNI record handling flaw CVE-2012-2686
 145
 146   Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]:
 147
 148       o Fix TLS/DTLS record length checking bug CVE-2012-2333
 149       o Don't attempt to use non-FIPS composite ciphers in FIPS mode.
 150
 151   Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]:
 152
 153       o Fix compilation error on non-x86 platforms.
 154       o Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
 155       o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
 156
 157   Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]:
 158
 159       o Fix for ASN1 overflow bug CVE-2012-2110
 160       o Workarounds for some servers that hang on long client hellos.
 161       o Fix SEGV in AES code.
 162
 163   Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]:
 164
 165       o TLS/DTLS heartbeat support.
 166       o SCTP support.
 167       o RFC 5705 TLS key material exporter.
 168       o RFC 5764 DTLS-SRTP negotiation.
 169       o Next Protocol Negotiation.
 170       o PSS signatures in certificates, requests and CRLs.
 171       o Support for password based recipient info for CMS.
 172       o Support TLS v1.2 and TLS v1.1.
 173       o Preliminary FIPS capability for unvalidated 2.0 FIPS module.
 174       o SRP support.
 175
 176   Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]:
 177
 178       o Fix for CMS/PKCS#7 MMA CVE-2012-0884
 179       o Corrected fix for CVE-2011-4619
 180       o Various DTLS fixes.
 181
 182   Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]:
 183
 184       o Fix for DTLS DoS issue CVE-2012-0050
 185
 186   Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]:
 187
 188       o Fix for DTLS plaintext recovery attack CVE-2011-4108
 189       o Clear block padding bytes of SSL 3.0 records CVE-2011-4576
 190       o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619
 191       o Check parameters are not NULL in GOST ENGINE CVE-2012-0027
 192       o Check for malformed RFC3779 data CVE-2011-4577
 193
 194   Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]:
 195
 196       o Fix for CRL vulnerability issue CVE-2011-3207
 197       o Fix for ECDH crashes CVE-2011-3210
 198       o Protection against EC timing attacks.
 199       o Support ECDH ciphersuites for certificates using SHA2 algorithms.
 200       o Various DTLS fixes.
 201
 202   Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]:
 203
 204       o Fix for security issue CVE-2011-0014
 205
 206   Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]:
 207
 208       o Fix for security issue CVE-2010-4180
 209       o Fix for CVE-2010-4252
 210       o Fix mishandling of absent EC point format extension.
 211       o Fix various platform compilation issues.
 212       o Corrected fix for security issue CVE-2010-3864.
 213
 214   Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]:
 215
 216       o Fix for security issue CVE-2010-3864.
 217       o Fix for CVE-2010-2939
 218       o Fix WIN32 build system for GOST ENGINE.
 219
 220   Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]:
 221
 222       o Fix for security issue CVE-2010-1633.
 223       o GOST MAC and CFB fixes.
 224
 225   Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]:
 226
 227       o RFC3280 path validation: sufficient to process PKITS tests.
 228       o Integrated support for PVK files and keyblobs.
 229       o Change default private key format to PKCS#8.
 230       o CMS support: able to process all examples in RFC4134
 231       o Streaming ASN1 encode support for PKCS#7 and CMS.
 232       o Multiple signer and signer add support for PKCS#7 and CMS.
 233       o ASN1 printing support.
 234       o Whirlpool hash algorithm added.
 235       o RFC3161 time stamp support.
 236       o New generalised public key API supporting ENGINE based algorithms.
 237       o New generalised public key API utilities.
 238       o New ENGINE supporting GOST algorithms.
 239       o SSL/TLS GOST ciphersuite support.
 240       o PKCS#7 and CMS GOST support.
 241       o RFC4279 PSK ciphersuite support.
 242       o Supported points format extension for ECC ciphersuites.
 243       o ecdsa-with-SHA224/256/384/512 signature types.
 244       o dsa-with-SHA224 and dsa-with-SHA256 signature types.
 245       o Opaque PRF Input TLS extension support.
 246       o Updated time routines to avoid OS limitations.
 247
 248   Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]:
 249
 250       o CFB cipher definition fixes.
 251       o Fix security issues CVE-2010-0740 and CVE-2010-0433.
 252
 253   Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]:
 254
 255       o Cipher definition fixes.
 256       o Workaround for slow RAND_poll() on some WIN32 versions.
 257       o Remove MD2 from algorithm tables.
 258       o SPKAC handling fixes.
 259       o Support for RFC5746 TLS renegotiation extension.
 260       o Compression memory leak fixed.
 261       o Compression session resumption fixed.
 262       o Ticket and SNI coexistence fixes.
 263       o Many fixes to DTLS handling.
 264
 265   Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]:
 266
 267       o Temporary work around for CVE-2009-3555: disable renegotiation.
 268
 269   Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]:
 270
 271       o Fix various build issues.
 272       o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
 273
 274   Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]:
 275
 276       o Fix security issue (CVE-2008-5077)
 277       o Merge FIPS 140-2 branch code.
 278
 279   Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]:
 280
 281       o CryptoAPI ENGINE support.
 282       o Various precautionary measures.
 283       o Fix for bugs affecting certificate request creation.
 284       o Support for local machine keyset attribute in PKCS#12 files.
 285
 286   Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]:
 287
 288       o Backport of CMS functionality to 0.9.8.
 289       o Fixes for bugs introduced with 0.9.8f.
 290
 291   Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]:
 292
 293       o Add gcc 4.2 support.
 294       o Add support for AES and SSE2 assembly lanugauge optimization
 295         for VC++ build.
 296       o Support for RFC4507bis and server name extensions if explicitly
 297         selected at compile time.
 298       o DTLS improvements.
 299       o RFC4507bis support.
 300       o TLS Extensions support.
 301
 302   Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]:
 303
 304       o Various ciphersuite selection fixes.
 305       o RFC3779 support.
 306
 307   Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]:
 308
 309       o Introduce limits to prevent malicious key DoS  (CVE-2006-2940)
 310       o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
 311       o Changes to ciphersuite selection algorithm
 312
 313   Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]:
 314
 315       o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
 316       o New cipher Camellia
 317
 318   Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]:
 319
 320       o Cipher string fixes.
 321       o Fixes for VC++ 2005.
 322       o Updated ECC cipher suite support.
 323       o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
 324       o Zlib compression usage fixes.
 325       o Built in dynamic engine compilation support on Win32.
 326       o Fixes auto dynamic engine loading in Win32.
 327
 328   Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]:
 329
 330       o Fix potential SSL 2.0 rollback, CVE-2005-2969
 331       o Extended Windows CE support
 332
 333   Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]:
 334
 335       o Major work on the BIGNUM library for higher efficiency and to
 336         make operations more streamlined and less contradictory.  This
 337         is the result of a major audit of the BIGNUM library.
 338       o Addition of BIGNUM functions for fields GF(2^m) and NIST
 339         curves, to support the Elliptic Crypto functions.
 340       o Major work on Elliptic Crypto; ECDH and ECDSA added, including
 341         the use through EVP, X509 and ENGINE.
 342       o New ASN.1 mini-compiler that's usable through the OpenSSL
 343         configuration file.
 344       o Added support for ASN.1 indefinite length constructed encoding.
 345       o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
 346       o Complete rework of shared library construction and linking
 347         programs with shared or static libraries, through a separate
 348         Makefile.shared.
 349       o Rework of the passing of parameters from one Makefile to another.
 350       o Changed ENGINE framework to load dynamic engine modules
 351         automatically from specifically given directories.
 352       o New structure and ASN.1 functions for CertificatePair.
 353       o Changed the ZLIB compression method to be stateful.
 354       o Changed the key-generation and primality testing "progress"
 355         mechanism to take a structure that contains the ticker
 356         function and an argument.
 357       o New engine module: GMP (performs private key exponentiation).
 358       o New engine module: VIA PadLOck ACE extension in VIA C3
 359         Nehemiah processors.
 360       o Added support for IPv6 addresses in certificate extensions.
 361         See RFC 1884, section 2.2.
 362       o Added support for certificate policy mappings, policy
 363         constraints and name constraints.
 364       o Added support for multi-valued AVAs in the OpenSSL
 365         configuration file.
 366       o Added support for multiple certificates with the same subject
 367         in the 'openssl ca' index file.
 368       o Make it possible to create self-signed certificates using
 369         'openssl ca -selfsign'.
 370       o Make it possible to generate a serial number file with
 371         'openssl ca -create_serial'.
 372       o New binary search functions with extended functionality.
 373       o New BUF functions.
 374       o New STORE structure and library to provide an interface to all
 375         sorts of data repositories.  Supports storage of public and
 376         private keys, certificates, CRLs, numbers and arbitrary blobs.
 377         This library is unfortunately unfinished and unused withing
 378         OpenSSL.
 379       o New control functions for the error stack.
 380       o Changed the PKCS#7 library to support one-pass S/MIME
 381         processing.
 382       o Added the possibility to compile without old deprecated
 383         functionality with the OPENSSL_NO_DEPRECATED macro or the
 384         'no-deprecated' argument to the config and Configure scripts.
 385       o Constification of all ASN.1 conversion functions, and other
 386         affected functions.
 387       o Improved platform support for PowerPC.
 388       o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
 389       o New X509_VERIFY_PARAM structure to support parametrisation
 390         of X.509 path validation.
 391       o Major overhaul of RC4 performance on Intel P4, IA-64 and
 392         AMD64.
 393       o Changed the Configure script to have some algorithms disabled
 394         by default.  Those can be explicitely enabled with the new
 395         argument form 'enable-xxx'.
 396       o Change the default digest in 'openssl' commands from MD5 to
 397         SHA-1.
 398       o Added support for DTLS.
 399       o New BIGNUM blinding.
 400       o Added support for the RSA-PSS encryption scheme
 401       o Added support for the RSA X.931 padding.
 402       o Added support for BSD sockets on NetWare.
 403       o Added support for files larger than 2GB.
 404       o Added initial support for Win64.
 405       o Added alternate pkg-config files.
 406
 407   Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]:
 408
 409       o FIPS 1.1.1 module linking.
 410       o Various ciphersuite selection fixes.
 411
 412   Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]:
 413
 414       o Introduce limits to prevent malicious key DoS  (CVE-2006-2940)
 415       o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
 416
 417   Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]:
 418
 419       o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
 420
 421   Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]:
 422
 423       o Visual C++ 2005 fixes.
 424       o Update Windows build system for FIPS.
 425
 426   Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
 427
 428       o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
 429
 430   Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]:
 431
 432       o Fix SSL 2.0 Rollback, CVE-2005-2969
 433       o Allow use of fixed-length exponent on DSA signing
 434       o Default fixed-window RSA, DSA, DH private-key operations
 435
 436   Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]:
 437
 438       o More compilation issues fixed.
 439       o Adaptation to more modern Kerberos API.
 440       o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
 441       o Enhanced x86_64 assembler BIGNUM module.
 442       o More constification.
 443       o Added processing of proxy certificates (RFC 3820).
 444
 445   Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]:
 446
 447       o Several compilation issues fixed.
 448       o Many memory allocation failure checks added.
 449       o Improved comparison of X509 Name type.
 450       o Mandatory basic checks on certificates.
 451       o Performance improvements.
 452
 453   Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]:
 454
 455       o Fix race condition in CRL checking code.
 456       o Fixes to PKCS#7 (S/MIME) code.
 457
 458   Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]:
 459
 460       o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
 461       o Security: Fix null-pointer assignment in do_change_cipher_spec()
 462       o Allow multiple active certificates with same subject in CA index
 463       o Multiple X509 verification fixes
 464       o Speed up HMAC and other operations
 465
 466   Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]:
 467
 468       o Security: fix various ASN1 parsing bugs.
 469       o New -ignore_err option to OCSP utility.
 470       o Various interop and bug fixes in S/MIME code.
 471       o SSL/TLS protocol fix for unrequested client certificates.
 472
 473   Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]:
 474
 475       o Security: counter the Klima-Pokorny-Rosa extension of
 476         Bleichbacher's attack
 477       o Security: make RSA blinding default.
 478       o Configuration: Irix fixes, AIX fixes, better mingw support.
 479       o Support for new platforms: linux-ia64-ecc.
 480       o Build: shared library support fixes.
 481       o ASN.1: treat domainComponent correctly.
 482       o Documentation: fixes and additions.
 483
 484   Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]:
 485
 486       o Security: Important security related bugfixes.
 487       o Enhanced compatibility with MIT Kerberos.
 488       o Can be built without the ENGINE framework.
 489       o IA32 assembler enhancements.
 490       o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
 491       o Configuration: the no-err option now works properly.
 492       o SSL/TLS: now handles manual certificate chain building.
 493       o SSL/TLS: certain session ID malfunctions corrected.
 494
 495   Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]:
 496
 497       o New library section OCSP.
 498       o Complete rewrite of ASN1 code.
 499       o CRL checking in verify code and openssl utility.
 500       o Extension copying in 'ca' utility.
 501       o Flexible display options in 'ca' utility.
 502       o Provisional support for international characters with UTF8.
 503       o Support for external crypto devices ('engine') is no longer
 504         a separate distribution.
 505       o New elliptic curve library section.
 506       o New AES (Rijndael) library section.
 507       o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
 508         Linux x86_64, Linux 64-bit on Sparc v9
 509       o Extended support for some platforms: VxWorks
 510       o Enhanced support for shared libraries.
 511       o Now only builds PIC code when shared library support is requested.
 512       o Support for pkg-config.
 513       o Lots of new manuals.
 514       o Makes symbolic links to or copies of manuals to cover all described
 515         functions.
 516       o Change DES API to clean up the namespace (some applications link also
 517         against libdes providing similar functions having the same name).
 518         Provide macros for backward compatibility (will be removed in the
 519         future).
 520       o Unify handling of cryptographic algorithms (software and engine)
 521         to be available via EVP routines for asymmetric and symmetric ciphers.
 522       o NCONF: new configuration handling routines.
 523       o Change API to use more 'const' modifiers to improve error checking
 524         and help optimizers.
 525       o Finally remove references to RSAref.
 526       o Reworked parts of the BIGNUM code.
 527       o Support for new engines: Broadcom ubsec, Accelerated Encryption
 528         Processing, IBM 4758.
 529       o A few new engines added in the demos area.
 530       o Extended and corrected OID (object identifier) table.
 531       o PRNG: query at more locations for a random device, automatic query for
 532         EGD style random sources at several locations.
 533       o SSL/TLS: allow optional cipher choice according to server's preference.
 534       o SSL/TLS: allow server to explicitly set new session ids.
 535       o SSL/TLS: support Kerberos cipher suites (RFC2712).
 536         Only supports MIT Kerberos for now.
 537       o SSL/TLS: allow more precise control of renegotiations and sessions.
 538       o SSL/TLS: add callback to retrieve SSL/TLS messages.
 539       o SSL/TLS: support AES cipher suites (RFC3268).
 540
 541   Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]:
 542
 543       o Security: fix various ASN1 parsing bugs.
 544       o SSL/TLS protocol fix for unrequested client certificates.
 545
 546   Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]:
 547
 548       o Security: counter the Klima-Pokorny-Rosa extension of
 549         Bleichbacher's attack
 550       o Security: make RSA blinding default.
 551       o Build: shared library support fixes.
 552
 553   Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]:
 554
 555       o Important security related bugfixes.
 556
 557   Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]:
 558
 559       o New configuration targets for Tandem OSS and A/UX.
 560       o New OIDs for Microsoft attributes.
 561       o Better handling of SSL session caching.
 562       o Better comparison of distinguished names.
 563       o Better handling of shared libraries in a mixed GNU/non-GNU environment.
 564       o Support assembler code with Borland C.
 565       o Fixes for length problems.
 566       o Fixes for uninitialised variables.
 567       o Fixes for memory leaks, some unusual crashes and some race conditions.
 568       o Fixes for smaller building problems.
 569       o Updates of manuals, FAQ and other instructive documents.
 570
 571   Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]:
 572
 573       o Important building fixes on Unix.
 574
 575   Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]:
 576
 577       o Various important bugfixes.
 578
 579   Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]:
 580
 581       o Important security related bugfixes.
 582       o Various SSL/TLS library bugfixes.
 583
 584   Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]:
 585
 586       o Various SSL/TLS library bugfixes.
 587       o Fix DH parameter generation for 'non-standard' generators.
 588
 589   Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]:
 590
 591       o Various SSL/TLS library bugfixes.
 592       o BIGNUM library fixes.
 593       o RSA OAEP and random number generation fixes.
 594       o Object identifiers corrected and added.
 595       o Add assembler BN routines for IA64.
 596       o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
 597         MIPS Linux; shared library support for Irix, HP-UX.
 598       o Add crypto accelerator support for AEP, Baltimore SureWare,
 599         Broadcom and Cryptographic Appliance's keyserver
 600         [in 0.9.6c-engine release].
 601
 602   Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]:
 603
 604       o Security fix: PRNG improvements.
 605       o Security fix: RSA OAEP check.
 606       o Security fix: Reinsert and fix countermeasure to Bleichbacher's
 607         attack.
 608       o MIPS bug fix in BIGNUM.
 609       o Bug fix in "openssl enc".
 610       o Bug fix in X.509 printing routine.
 611       o Bug fix in DSA verification routine and DSA S/MIME verification.
 612       o Bug fix to make PRNG thread-safe.
 613       o Bug fix in RAND_file_name().
 614       o Bug fix in compatibility mode trust settings.
 615       o Bug fix in blowfish EVP.
 616       o Increase default size for BIO buffering filter.
 617       o Compatibility fixes in some scripts.
 618
 619   Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]:
 620
 621       o Security fix: change behavior of OpenSSL to avoid using
 622         environment variables when running as root.
 623       o Security fix: check the result of RSA-CRT to reduce the
 624         possibility of deducing the private key from an incorrectly
 625         calculated signature.
 626       o Security fix: prevent Bleichenbacher's DSA attack.
 627       o Security fix: Zero the premaster secret after deriving the
 628         master secret in DH ciphersuites.
 629       o Reimplement SSL_peek(), which had various problems.
 630       o Compatibility fix: the function des_encrypt() renamed to
 631         des_encrypt1() to avoid clashes with some Unixen libc.
 632       o Bug fixes for Win32, HP/UX and Irix.
 633       o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
 634         memory checking routines.
 635       o Bug fixes for RSA operations in threaded environments.
 636       o Bug fixes in misc. openssl applications.
 637       o Remove a few potential memory leaks.
 638       o Add tighter checks of BIGNUM routines.
 639       o Shared library support has been reworked for generality.
 640       o More documentation.
 641       o New function BN_rand_range().
 642       o Add "-rand" option to openssl s_client and s_server.
 643
 644   Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]:
 645
 646       o Some documentation for BIO and SSL libraries.
 647       o Enhanced chain verification using key identifiers.
 648       o New sign and verify options to 'dgst' application.
 649       o Support for DER and PEM encoded messages in 'smime' application.
 650       o New 'rsautl' application, low level RSA utility.
 651       o MD4 now included.
 652       o Bugfix for SSL rollback padding check.
 653       o Support for external crypto devices [1].
 654       o Enhanced EVP interface.
 655
 656     [1] The support for external crypto devices is currently a separate
 657         distribution.  See the file README.ENGINE.
 658
 659   Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]:
 660
 661       o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
 662       o Shared library support for HPUX and Solaris-gcc
 663       o Support of Linux/IA64
 664       o Assembler support for Mingw32
 665       o New 'rand' application
 666       o New way to check for existence of algorithms from scripts
 667
 668   Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]:
 669
 670       o S/MIME support in new 'smime' command
 671       o Documentation for the OpenSSL command line application
 672       o Automation of 'req' application
 673       o Fixes to make s_client, s_server work under Windows
 674       o Support for multiple fieldnames in SPKACs
 675       o New SPKAC command line utilty and associated library functions
 676       o Options to allow passwords to be obtained from various sources
 677       o New public key PEM format and options to handle it
 678       o Many other fixes and enhancements to command line utilities
 679       o Usable certificate chain verification
 680       o Certificate purpose checking
 681       o Certificate trust settings
 682       o Support of authority information access extension
 683       o Extensions in certificate requests
 684       o Simplified X509 name and attribute routines
 685       o Initial (incomplete) support for international character sets
 686       o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
 687       o Read only memory BIOs and simplified creation function
 688       o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
 689         record; allow fragmentation and interleaving of handshake and other
 690         data
 691       o TLS/SSL code now "tolerates" MS SGC
 692       o Work around for Netscape client certificate hang bug
 693       o RSA_NULL option that removes RSA patent code but keeps other
 694         RSA functionality
 695       o Memory leak detection now allows applications to add extra information
 696         via a per-thread stack
 697       o PRNG robustness improved
 698       o EGD support
 699       o BIGNUM library bug fixes
 700       o Faster DSA parameter generation
 701       o Enhanced support for Alpha Linux
 702       o Experimental MacOS support
 703
 704   Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]:
 705
 706       o Transparent support for PKCS#8 format private keys: these are used
 707         by several software packages and are more secure than the standard
 708         form
 709       o PKCS#5 v2.0 implementation
 710       o Password callbacks have a new void * argument for application data
 711       o Avoid various memory leaks
 712       o New pipe-like BIO that allows using the SSL library when actual I/O
 713         must be handled by the application (BIO pair)
 714
 715   Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]:
 716       o Lots of enhancements and cleanups to the Configuration mechanism
 717       o RSA OEAP related fixes
 718       o Added `openssl ca -revoke' option for revoking a certificate
 719       o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
 720       o Source tree cleanups: removed lots of obsolete files
 721       o Thawte SXNet, certificate policies and CRL distribution points
 722         extension support
 723       o Preliminary (experimental) S/MIME support
 724       o Support for ASN.1 UTF8String and VisibleString
 725       o Full integration of PKCS#12 code
 726       o Sparc assembler bignum implementation, optimized hash functions
 727       o Option to disable selected ciphers
 728
 729   Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]:
 730       o Fixed a security hole related to session resumption
 731       o Fixed RSA encryption routines for the p < q case
 732       o "ALL" in cipher lists now means "everything except NULL ciphers"
 733       o Support for Triple-DES CBCM cipher
 734       o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
 735       o First support for new TLSv1 ciphers
 736       o Added a few new BIOs (syslog BIO, reliable BIO)
 737       o Extended support for DSA certificate/keys.
 738       o Extended support for Certificate Signing Requests (CSR)
 739       o Initial support for X.509v3 extensions
 740       o Extended support for compression inside the SSL record layer
 741       o Overhauled Win32 builds
 742       o Cleanups and fixes to the Big Number (BN) library
 743       o Support for ASN.1 GeneralizedTime
 744       o Splitted ASN.1 SETs from SEQUENCEs
 745       o ASN1 and PEM support for Netscape Certificate Sequences
 746       o Overhauled Perl interface
 747       o Lots of source tree cleanups.
 748       o Lots of memory leak fixes.
 749       o Lots of bug fixes.
 750
 751   Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]:
 752       o Integration of the popular NO_RSA/NO_DSA patches
 753       o Initial support for compression inside the SSL record layer
 754       o Added BIO proxy and filtering functionality
 755       o Extended Big Number (BN) library
 756       o Added RIPE MD160 message digest
 757       o Addeed support for RC2/64bit cipher
 758       o Extended ASN.1 parser routines
 759       o Adjustations of the source tree for CVS
 760       o Support for various new platforms
 761