NEWS revision 267258
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 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014] 9 10 o Fix for CVE-2014-0224 11 o Fix for CVE-2014-0221 12 o Fix for CVE-2014-0195 13 o Fix for CVE-2014-3470 14 o Fix for CVE-2010-5298 15 16 Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014] 17 18 o Fix for CVE-2014-0160 19 o Add TLS padding extension workaround for broken servers. 20 o Fix for CVE-2014-0076 21 22 Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014] 23 24 o Don't include gmt_unix_time in TLS server and client random values 25 o Fix for TLS record tampering bug CVE-2013-4353 26 o Fix for TLS version checking bug CVE-2013-6449 27 o Fix for DTLS retransmission bug CVE-2013-6450 28 29 Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]: 30 31 o Corrected fix for CVE-2013-0169 32 33 Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]: 34 35 o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version. 36 o Include the fips configuration module. 37 o Fix OCSP bad key DoS attack CVE-2013-0166 38 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169 39 o Fix for TLS AESNI record handling flaw CVE-2012-2686 40 41 Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]: 42 43 o Fix TLS/DTLS record length checking bug CVE-2012-2333 44 o Don't attempt to use non-FIPS composite ciphers in FIPS mode. 45 46 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]: 47 48 o Fix compilation error on non-x86 platforms. 49 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode. 50 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0 51 52 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]: 53 54 o Fix for ASN1 overflow bug CVE-2012-2110 55 o Workarounds for some servers that hang on long client hellos. 56 o Fix SEGV in AES code. 57 58 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]: 59 60 o TLS/DTLS heartbeat support. 61 o SCTP support. 62 o RFC 5705 TLS key material exporter. 63 o RFC 5764 DTLS-SRTP negotiation. 64 o Next Protocol Negotiation. 65 o PSS signatures in certificates, requests and CRLs. 66 o Support for password based recipient info for CMS. 67 o Support TLS v1.2 and TLS v1.1. 68 o Preliminary FIPS capability for unvalidated 2.0 FIPS module. 69 o SRP support. 70 71 Major changes between OpenSSL 1.0.0j and OpenSSL 1.0.0k [5 Feb 2013]: 72 73 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169 74 o Fix OCSP bad key DoS attack CVE-2013-0166 75 76 Major changes between OpenSSL 1.0.0i and OpenSSL 1.0.0j [10 May 2012]: 77 78 o Fix DTLS record length checking bug CVE-2012-2333 79 80 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.0i [19 Apr 2012]: 81 82 o Fix for ASN1 overflow bug CVE-2012-2110 83 84 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]: 85 86 o Fix for CMS/PKCS#7 MMA CVE-2012-0884 87 o Corrected fix for CVE-2011-4619 88 o Various DTLS fixes. 89 90 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]: 91 92 o Fix for DTLS DoS issue CVE-2012-0050 93 94 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]: 95 96 o Fix for DTLS plaintext recovery attack CVE-2011-4108 97 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576 98 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619 99 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027 100 o Check for malformed RFC3779 data CVE-2011-4577 101 102 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]: 103 104 o Fix for CRL vulnerability issue CVE-2011-3207 105 o Fix for ECDH crashes CVE-2011-3210 106 o Protection against EC timing attacks. 107 o Support ECDH ciphersuites for certificates using SHA2 algorithms. 108 o Various DTLS fixes. 109 110 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]: 111 112 o Fix for security issue CVE-2011-0014 113 114 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]: 115 116 o Fix for security issue CVE-2010-4180 117 o Fix for CVE-2010-4252 118 o Fix mishandling of absent EC point format extension. 119 o Fix various platform compilation issues. 120 o Corrected fix for security issue CVE-2010-3864. 121 122 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]: 123 124 o Fix for security issue CVE-2010-3864. 125 o Fix for CVE-2010-2939 126 o Fix WIN32 build system for GOST ENGINE. 127 128 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]: 129 130 o Fix for security issue CVE-2010-1633. 131 o GOST MAC and CFB fixes. 132 133 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]: 134 135 o RFC3280 path validation: sufficient to process PKITS tests. 136 o Integrated support for PVK files and keyblobs. 137 o Change default private key format to PKCS#8. 138 o CMS support: able to process all examples in RFC4134 139 o Streaming ASN1 encode support for PKCS#7 and CMS. 140 o Multiple signer and signer add support for PKCS#7 and CMS. 141 o ASN1 printing support. 142 o Whirlpool hash algorithm added. 143 o RFC3161 time stamp support. 144 o New generalised public key API supporting ENGINE based algorithms. 145 o New generalised public key API utilities. 146 o New ENGINE supporting GOST algorithms. 147 o SSL/TLS GOST ciphersuite support. 148 o PKCS#7 and CMS GOST support. 149 o RFC4279 PSK ciphersuite support. 150 o Supported points format extension for ECC ciphersuites. 151 o ecdsa-with-SHA224/256/384/512 signature types. 152 o dsa-with-SHA224 and dsa-with-SHA256 signature types. 153 o Opaque PRF Input TLS extension support. 154 o Updated time routines to avoid OS limitations. 155 156 Major changes between OpenSSL 0.9.8x and OpenSSL 0.9.8y [5 Feb 2013]: 157 158 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169 159 o Fix OCSP bad key DoS attack CVE-2013-0166 160 161 Major changes between OpenSSL 0.9.8w and OpenSSL 0.9.8x [10 May 2012]: 162 163 o Fix DTLS record length checking bug CVE-2012-2333 164 165 Major changes between OpenSSL 0.9.8v and OpenSSL 0.9.8w [23 Apr 2012]: 166 167 o Fix for CVE-2012-2131 (corrected fix for 0.9.8 and CVE-2012-2110) 168 169 Major changes between OpenSSL 0.9.8u and OpenSSL 0.9.8v [19 Apr 2012]: 170 171 o Fix for ASN1 overflow bug CVE-2012-2110 172 173 Major changes between OpenSSL 0.9.8t and OpenSSL 0.9.8u [12 Mar 2012]: 174 175 o Fix for CMS/PKCS#7 MMA CVE-2012-0884 176 o Corrected fix for CVE-2011-4619 177 o Various DTLS fixes. 178 179 Major changes between OpenSSL 0.9.8s and OpenSSL 0.9.8t [18 Jan 2012]: 180 181 o Fix for DTLS DoS issue CVE-2012-0050 182 183 Major changes between OpenSSL 0.9.8r and OpenSSL 0.9.8s [4 Jan 2012]: 184 185 o Fix for DTLS plaintext recovery attack CVE-2011-4108 186 o Fix policy check double free error CVE-2011-4109 187 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576 188 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619 189 o Check for malformed RFC3779 data CVE-2011-4577 190 191 Major changes between OpenSSL 0.9.8q and OpenSSL 0.9.8r [8 Feb 2011]: 192 193 o Fix for security issue CVE-2011-0014 194 195 Major changes between OpenSSL 0.9.8p and OpenSSL 0.9.8q [2 Dec 2010]: 196 197 o Fix for security issue CVE-2010-4180 198 o Fix for CVE-2010-4252 199 200 Major changes between OpenSSL 0.9.8o and OpenSSL 0.9.8p [16 Nov 2010]: 201 202 o Fix for security issue CVE-2010-3864. 203 204 Major changes between OpenSSL 0.9.8n and OpenSSL 0.9.8o [1 Jun 2010]: 205 206 o Fix for security issue CVE-2010-0742. 207 o Various DTLS fixes. 208 o Recognise SHA2 certificates if only SSL algorithms added. 209 o Fix for no-rc4 compilation. 210 o Chil ENGINE unload workaround. 211 212 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]: 213 214 o CFB cipher definition fixes. 215 o Fix security issues CVE-2010-0740 and CVE-2010-0433. 216 217 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]: 218 219 o Cipher definition fixes. 220 o Workaround for slow RAND_poll() on some WIN32 versions. 221 o Remove MD2 from algorithm tables. 222 o SPKAC handling fixes. 223 o Support for RFC5746 TLS renegotiation extension. 224 o Compression memory leak fixed. 225 o Compression session resumption fixed. 226 o Ticket and SNI coexistence fixes. 227 o Many fixes to DTLS handling. 228 229 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]: 230 231 o Temporary work around for CVE-2009-3555: disable renegotiation. 232 233 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]: 234 235 o Fix various build issues. 236 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789) 237 238 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]: 239 240 o Fix security issue (CVE-2008-5077) 241 o Merge FIPS 140-2 branch code. 242 243 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]: 244 245 o CryptoAPI ENGINE support. 246 o Various precautionary measures. 247 o Fix for bugs affecting certificate request creation. 248 o Support for local machine keyset attribute in PKCS#12 files. 249 250 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]: 251 252 o Backport of CMS functionality to 0.9.8. 253 o Fixes for bugs introduced with 0.9.8f. 254 255 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]: 256 257 o Add gcc 4.2 support. 258 o Add support for AES and SSE2 assembly lanugauge optimization 259 for VC++ build. 260 o Support for RFC4507bis and server name extensions if explicitly 261 selected at compile time. 262 o DTLS improvements. 263 o RFC4507bis support. 264 o TLS Extensions support. 265 266 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]: 267 268 o Various ciphersuite selection fixes. 269 o RFC3779 support. 270 271 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]: 272 273 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 274 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 275 o Changes to ciphersuite selection algorithm 276 277 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]: 278 279 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 280 o New cipher Camellia 281 282 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]: 283 284 o Cipher string fixes. 285 o Fixes for VC++ 2005. 286 o Updated ECC cipher suite support. 287 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free(). 288 o Zlib compression usage fixes. 289 o Built in dynamic engine compilation support on Win32. 290 o Fixes auto dynamic engine loading in Win32. 291 292 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]: 293 294 o Fix potential SSL 2.0 rollback, CVE-2005-2969 295 o Extended Windows CE support 296 297 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]: 298 299 o Major work on the BIGNUM library for higher efficiency and to 300 make operations more streamlined and less contradictory. This 301 is the result of a major audit of the BIGNUM library. 302 o Addition of BIGNUM functions for fields GF(2^m) and NIST 303 curves, to support the Elliptic Crypto functions. 304 o Major work on Elliptic Crypto; ECDH and ECDSA added, including 305 the use through EVP, X509 and ENGINE. 306 o New ASN.1 mini-compiler that's usable through the OpenSSL 307 configuration file. 308 o Added support for ASN.1 indefinite length constructed encoding. 309 o New PKCS#12 'medium level' API to manipulate PKCS#12 files. 310 o Complete rework of shared library construction and linking 311 programs with shared or static libraries, through a separate 312 Makefile.shared. 313 o Rework of the passing of parameters from one Makefile to another. 314 o Changed ENGINE framework to load dynamic engine modules 315 automatically from specifically given directories. 316 o New structure and ASN.1 functions for CertificatePair. 317 o Changed the ZLIB compression method to be stateful. 318 o Changed the key-generation and primality testing "progress" 319 mechanism to take a structure that contains the ticker 320 function and an argument. 321 o New engine module: GMP (performs private key exponentiation). 322 o New engine module: VIA PadLOck ACE extension in VIA C3 323 Nehemiah processors. 324 o Added support for IPv6 addresses in certificate extensions. 325 See RFC 1884, section 2.2. 326 o Added support for certificate policy mappings, policy 327 constraints and name constraints. 328 o Added support for multi-valued AVAs in the OpenSSL 329 configuration file. 330 o Added support for multiple certificates with the same subject 331 in the 'openssl ca' index file. 332 o Make it possible to create self-signed certificates using 333 'openssl ca -selfsign'. 334 o Make it possible to generate a serial number file with 335 'openssl ca -create_serial'. 336 o New binary search functions with extended functionality. 337 o New BUF functions. 338 o New STORE structure and library to provide an interface to all 339 sorts of data repositories. Supports storage of public and 340 private keys, certificates, CRLs, numbers and arbitrary blobs. 341 This library is unfortunately unfinished and unused withing 342 OpenSSL. 343 o New control functions for the error stack. 344 o Changed the PKCS#7 library to support one-pass S/MIME 345 processing. 346 o Added the possibility to compile without old deprecated 347 functionality with the OPENSSL_NO_DEPRECATED macro or the 348 'no-deprecated' argument to the config and Configure scripts. 349 o Constification of all ASN.1 conversion functions, and other 350 affected functions. 351 o Improved platform support for PowerPC. 352 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512). 353 o New X509_VERIFY_PARAM structure to support parametrisation 354 of X.509 path validation. 355 o Major overhaul of RC4 performance on Intel P4, IA-64 and 356 AMD64. 357 o Changed the Configure script to have some algorithms disabled 358 by default. Those can be explicitely enabled with the new 359 argument form 'enable-xxx'. 360 o Change the default digest in 'openssl' commands from MD5 to 361 SHA-1. 362 o Added support for DTLS. 363 o New BIGNUM blinding. 364 o Added support for the RSA-PSS encryption scheme 365 o Added support for the RSA X.931 padding. 366 o Added support for BSD sockets on NetWare. 367 o Added support for files larger than 2GB. 368 o Added initial support for Win64. 369 o Added alternate pkg-config files. 370 371 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]: 372 373 o FIPS 1.1.1 module linking. 374 o Various ciphersuite selection fixes. 375 376 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]: 377 378 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 379 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 380 381 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]: 382 383 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 384 385 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]: 386 387 o Visual C++ 2005 fixes. 388 o Update Windows build system for FIPS. 389 390 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]: 391 392 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build. 393 394 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]: 395 396 o Fix SSL 2.0 Rollback, CVE-2005-2969 397 o Allow use of fixed-length exponent on DSA signing 398 o Default fixed-window RSA, DSA, DH private-key operations 399 400 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]: 401 402 o More compilation issues fixed. 403 o Adaptation to more modern Kerberos API. 404 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin. 405 o Enhanced x86_64 assembler BIGNUM module. 406 o More constification. 407 o Added processing of proxy certificates (RFC 3820). 408 409 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]: 410 411 o Several compilation issues fixed. 412 o Many memory allocation failure checks added. 413 o Improved comparison of X509 Name type. 414 o Mandatory basic checks on certificates. 415 o Performance improvements. 416 417 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]: 418 419 o Fix race condition in CRL checking code. 420 o Fixes to PKCS#7 (S/MIME) code. 421 422 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]: 423 424 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 425 o Security: Fix null-pointer assignment in do_change_cipher_spec() 426 o Allow multiple active certificates with same subject in CA index 427 o Multiple X509 verification fixes 428 o Speed up HMAC and other operations 429 430 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]: 431 432 o Security: fix various ASN1 parsing bugs. 433 o New -ignore_err option to OCSP utility. 434 o Various interop and bug fixes in S/MIME code. 435 o SSL/TLS protocol fix for unrequested client certificates. 436 437 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]: 438 439 o Security: counter the Klima-Pokorny-Rosa extension of 440 Bleichbacher's attack 441 o Security: make RSA blinding default. 442 o Configuration: Irix fixes, AIX fixes, better mingw support. 443 o Support for new platforms: linux-ia64-ecc. 444 o Build: shared library support fixes. 445 o ASN.1: treat domainComponent correctly. 446 o Documentation: fixes and additions. 447 448 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]: 449 450 o Security: Important security related bugfixes. 451 o Enhanced compatibility with MIT Kerberos. 452 o Can be built without the ENGINE framework. 453 o IA32 assembler enhancements. 454 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 455 o Configuration: the no-err option now works properly. 456 o SSL/TLS: now handles manual certificate chain building. 457 o SSL/TLS: certain session ID malfunctions corrected. 458 459 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]: 460 461 o New library section OCSP. 462 o Complete rewrite of ASN1 code. 463 o CRL checking in verify code and openssl utility. 464 o Extension copying in 'ca' utility. 465 o Flexible display options in 'ca' utility. 466 o Provisional support for international characters with UTF8. 467 o Support for external crypto devices ('engine') is no longer 468 a separate distribution. 469 o New elliptic curve library section. 470 o New AES (Rijndael) library section. 471 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 472 Linux x86_64, Linux 64-bit on Sparc v9 473 o Extended support for some platforms: VxWorks 474 o Enhanced support for shared libraries. 475 o Now only builds PIC code when shared library support is requested. 476 o Support for pkg-config. 477 o Lots of new manuals. 478 o Makes symbolic links to or copies of manuals to cover all described 479 functions. 480 o Change DES API to clean up the namespace (some applications link also 481 against libdes providing similar functions having the same name). 482 Provide macros for backward compatibility (will be removed in the 483 future). 484 o Unify handling of cryptographic algorithms (software and engine) 485 to be available via EVP routines for asymmetric and symmetric ciphers. 486 o NCONF: new configuration handling routines. 487 o Change API to use more 'const' modifiers to improve error checking 488 and help optimizers. 489 o Finally remove references to RSAref. 490 o Reworked parts of the BIGNUM code. 491 o Support for new engines: Broadcom ubsec, Accelerated Encryption 492 Processing, IBM 4758. 493 o A few new engines added in the demos area. 494 o Extended and corrected OID (object identifier) table. 495 o PRNG: query at more locations for a random device, automatic query for 496 EGD style random sources at several locations. 497 o SSL/TLS: allow optional cipher choice according to server's preference. 498 o SSL/TLS: allow server to explicitly set new session ids. 499 o SSL/TLS: support Kerberos cipher suites (RFC2712). 500 Only supports MIT Kerberos for now. 501 o SSL/TLS: allow more precise control of renegotiations and sessions. 502 o SSL/TLS: add callback to retrieve SSL/TLS messages. 503 o SSL/TLS: support AES cipher suites (RFC3268). 504 505 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]: 506 507 o Security: fix various ASN1 parsing bugs. 508 o SSL/TLS protocol fix for unrequested client certificates. 509 510 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]: 511 512 o Security: counter the Klima-Pokorny-Rosa extension of 513 Bleichbacher's attack 514 o Security: make RSA blinding default. 515 o Build: shared library support fixes. 516 517 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]: 518 519 o Important security related bugfixes. 520 521 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]: 522 523 o New configuration targets for Tandem OSS and A/UX. 524 o New OIDs for Microsoft attributes. 525 o Better handling of SSL session caching. 526 o Better comparison of distinguished names. 527 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 528 o Support assembler code with Borland C. 529 o Fixes for length problems. 530 o Fixes for uninitialised variables. 531 o Fixes for memory leaks, some unusual crashes and some race conditions. 532 o Fixes for smaller building problems. 533 o Updates of manuals, FAQ and other instructive documents. 534 535 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]: 536 537 o Important building fixes on Unix. 538 539 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]: 540 541 o Various important bugfixes. 542 543 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]: 544 545 o Important security related bugfixes. 546 o Various SSL/TLS library bugfixes. 547 548 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]: 549 550 o Various SSL/TLS library bugfixes. 551 o Fix DH parameter generation for 'non-standard' generators. 552 553 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]: 554 555 o Various SSL/TLS library bugfixes. 556 o BIGNUM library fixes. 557 o RSA OAEP and random number generation fixes. 558 o Object identifiers corrected and added. 559 o Add assembler BN routines for IA64. 560 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 561 MIPS Linux; shared library support for Irix, HP-UX. 562 o Add crypto accelerator support for AEP, Baltimore SureWare, 563 Broadcom and Cryptographic Appliance's keyserver 564 [in 0.9.6c-engine release]. 565 566 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]: 567 568 o Security fix: PRNG improvements. 569 o Security fix: RSA OAEP check. 570 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 571 attack. 572 o MIPS bug fix in BIGNUM. 573 o Bug fix in "openssl enc". 574 o Bug fix in X.509 printing routine. 575 o Bug fix in DSA verification routine and DSA S/MIME verification. 576 o Bug fix to make PRNG thread-safe. 577 o Bug fix in RAND_file_name(). 578 o Bug fix in compatibility mode trust settings. 579 o Bug fix in blowfish EVP. 580 o Increase default size for BIO buffering filter. 581 o Compatibility fixes in some scripts. 582 583 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]: 584 585 o Security fix: change behavior of OpenSSL to avoid using 586 environment variables when running as root. 587 o Security fix: check the result of RSA-CRT to reduce the 588 possibility of deducing the private key from an incorrectly 589 calculated signature. 590 o Security fix: prevent Bleichenbacher's DSA attack. 591 o Security fix: Zero the premaster secret after deriving the 592 master secret in DH ciphersuites. 593 o Reimplement SSL_peek(), which had various problems. 594 o Compatibility fix: the function des_encrypt() renamed to 595 des_encrypt1() to avoid clashes with some Unixen libc. 596 o Bug fixes for Win32, HP/UX and Irix. 597 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 598 memory checking routines. 599 o Bug fixes for RSA operations in threaded environments. 600 o Bug fixes in misc. openssl applications. 601 o Remove a few potential memory leaks. 602 o Add tighter checks of BIGNUM routines. 603 o Shared library support has been reworked for generality. 604 o More documentation. 605 o New function BN_rand_range(). 606 o Add "-rand" option to openssl s_client and s_server. 607 608 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]: 609 610 o Some documentation for BIO and SSL libraries. 611 o Enhanced chain verification using key identifiers. 612 o New sign and verify options to 'dgst' application. 613 o Support for DER and PEM encoded messages in 'smime' application. 614 o New 'rsautl' application, low level RSA utility. 615 o MD4 now included. 616 o Bugfix for SSL rollback padding check. 617 o Support for external crypto devices [1]. 618 o Enhanced EVP interface. 619 620 [1] The support for external crypto devices is currently a separate 621 distribution. See the file README.ENGINE. 622 623 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]: 624 625 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 626 o Shared library support for HPUX and Solaris-gcc 627 o Support of Linux/IA64 628 o Assembler support for Mingw32 629 o New 'rand' application 630 o New way to check for existence of algorithms from scripts 631 632 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]: 633 634 o S/MIME support in new 'smime' command 635 o Documentation for the OpenSSL command line application 636 o Automation of 'req' application 637 o Fixes to make s_client, s_server work under Windows 638 o Support for multiple fieldnames in SPKACs 639 o New SPKAC command line utilty and associated library functions 640 o Options to allow passwords to be obtained from various sources 641 o New public key PEM format and options to handle it 642 o Many other fixes and enhancements to command line utilities 643 o Usable certificate chain verification 644 o Certificate purpose checking 645 o Certificate trust settings 646 o Support of authority information access extension 647 o Extensions in certificate requests 648 o Simplified X509 name and attribute routines 649 o Initial (incomplete) support for international character sets 650 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 651 o Read only memory BIOs and simplified creation function 652 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 653 record; allow fragmentation and interleaving of handshake and other 654 data 655 o TLS/SSL code now "tolerates" MS SGC 656 o Work around for Netscape client certificate hang bug 657 o RSA_NULL option that removes RSA patent code but keeps other 658 RSA functionality 659 o Memory leak detection now allows applications to add extra information 660 via a per-thread stack 661 o PRNG robustness improved 662 o EGD support 663 o BIGNUM library bug fixes 664 o Faster DSA parameter generation 665 o Enhanced support for Alpha Linux 666 o Experimental MacOS support 667 668 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]: 669 670 o Transparent support for PKCS#8 format private keys: these are used 671 by several software packages and are more secure than the standard 672 form 673 o PKCS#5 v2.0 implementation 674 o Password callbacks have a new void * argument for application data 675 o Avoid various memory leaks 676 o New pipe-like BIO that allows using the SSL library when actual I/O 677 must be handled by the application (BIO pair) 678 679 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]: 680 o Lots of enhancements and cleanups to the Configuration mechanism 681 o RSA OEAP related fixes 682 o Added `openssl ca -revoke' option for revoking a certificate 683 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 684 o Source tree cleanups: removed lots of obsolete files 685 o Thawte SXNet, certificate policies and CRL distribution points 686 extension support 687 o Preliminary (experimental) S/MIME support 688 o Support for ASN.1 UTF8String and VisibleString 689 o Full integration of PKCS#12 code 690 o Sparc assembler bignum implementation, optimized hash functions 691 o Option to disable selected ciphers 692 693 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]: 694 o Fixed a security hole related to session resumption 695 o Fixed RSA encryption routines for the p < q case 696 o "ALL" in cipher lists now means "everything except NULL ciphers" 697 o Support for Triple-DES CBCM cipher 698 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 699 o First support for new TLSv1 ciphers 700 o Added a few new BIOs (syslog BIO, reliable BIO) 701 o Extended support for DSA certificate/keys. 702 o Extended support for Certificate Signing Requests (CSR) 703 o Initial support for X.509v3 extensions 704 o Extended support for compression inside the SSL record layer 705 o Overhauled Win32 builds 706 o Cleanups and fixes to the Big Number (BN) library 707 o Support for ASN.1 GeneralizedTime 708 o Splitted ASN.1 SETs from SEQUENCEs 709 o ASN1 and PEM support for Netscape Certificate Sequences 710 o Overhauled Perl interface 711 o Lots of source tree cleanups. 712 o Lots of memory leak fixes. 713 o Lots of bug fixes. 714 715 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]: 716 o Integration of the popular NO_RSA/NO_DSA patches 717 o Initial support for compression inside the SSL record layer 718 o Added BIO proxy and filtering functionality 719 o Extended Big Number (BN) library 720 o Added RIPE MD160 message digest 721 o Addeed support for RC2/64bit cipher 722 o Extended ASN.1 parser routines 723 o Adjustations of the source tree for CVS 724 o Support for various new platforms 725 726