NEWS revision 298999
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 1.0.1s and OpenSSL 1.0.1t [3 May 2016] 9 10 o Prevent padding oracle in AES-NI CBC MAC check (CVE-2016-2107) 11 o Fix EVP_EncodeUpdate overflow (CVE-2016-2105) 12 o Fix EVP_EncryptUpdate overflow (CVE-2016-2106) 13 o Prevent ASN.1 BIO excessive memory allocation (CVE-2016-2109) 14 o EBCDIC overread (CVE-2016-2176) 15 o Modify behavior of ALPN to invoke callback after SNI/servername 16 callback, such that updates to the SSL_CTX affect ALPN. 17 o Remove LOW from the DEFAULT cipher list. This removes singles DES from 18 the default. 19 o Only remove the SSLv2 methods with the no-ssl2-method option. 20 21 Major changes between OpenSSL 1.0.1r and OpenSSL 1.0.1s [1 Mar 2016] 22 23 o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL. 24 o Disable SSLv2 default build, default negotiation and weak ciphers 25 (CVE-2016-0800) 26 o Fix a double-free in DSA code (CVE-2016-0705) 27 o Disable SRP fake user seed to address a server memory leak 28 (CVE-2016-0798) 29 o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption 30 (CVE-2016-0797) 31 o Fix memory issues in BIO_*printf functions (CVE-2016-0799) 32 o Fix side channel attack on modular exponentiation (CVE-2016-0702) 33 34 Major changes between OpenSSL 1.0.1q and OpenSSL 1.0.1r [28 Jan 2016] 35 36 o Protection for DH small subgroup attacks 37 o SSLv2 doesn't block disabled ciphers (CVE-2015-3197) 38 39 Major changes between OpenSSL 1.0.1p and OpenSSL 1.0.1q [3 Dec 2015] 40 41 o Certificate verify crash with missing PSS parameter (CVE-2015-3194) 42 o X509_ATTRIBUTE memory leak (CVE-2015-3195) 43 o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs 44 o In DSA_generate_parameters_ex, if the provided seed is too short, 45 return an error 46 47 Major changes between OpenSSL 1.0.1o and OpenSSL 1.0.1p [9 Jul 2015] 48 49 o Alternate chains certificate forgery (CVE-2015-1793) 50 o Race condition handling PSK identify hint (CVE-2015-3196) 51 52 Major changes between OpenSSL 1.0.1n and OpenSSL 1.0.1o [12 Jun 2015] 53 54 o Fix HMAC ABI incompatibility 55 56 Major changes between OpenSSL 1.0.1m and OpenSSL 1.0.1n [11 Jun 2015] 57 58 o Malformed ECParameters causes infinite loop (CVE-2015-1788) 59 o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789) 60 o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790) 61 o CMS verify infinite loop with unknown hash function (CVE-2015-1792) 62 o Race condition handling NewSessionTicket (CVE-2015-1791) 63 64 Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.1m [19 Mar 2015] 65 66 o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286) 67 o ASN.1 structure reuse memory corruption fix (CVE-2015-0287) 68 o PKCS7 NULL pointer dereferences fix (CVE-2015-0289) 69 o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293) 70 o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209) 71 o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288) 72 o Removed the export ciphers from the DEFAULT ciphers 73 74 Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015] 75 76 o Build fixes for the Windows and OpenVMS platforms 77 78 Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015] 79 80 o Fix for CVE-2014-3571 81 o Fix for CVE-2015-0206 82 o Fix for CVE-2014-3569 83 o Fix for CVE-2014-3572 84 o Fix for CVE-2015-0204 85 o Fix for CVE-2015-0205 86 o Fix for CVE-2014-8275 87 o Fix for CVE-2014-3570 88 89 Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014] 90 91 o Fix for CVE-2014-3513 92 o Fix for CVE-2014-3567 93 o Mitigation for CVE-2014-3566 (SSL protocol vulnerability) 94 o Fix for CVE-2014-3568 95 96 Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014] 97 98 o Fix for CVE-2014-3512 99 o Fix for CVE-2014-3511 100 o Fix for CVE-2014-3510 101 o Fix for CVE-2014-3507 102 o Fix for CVE-2014-3506 103 o Fix for CVE-2014-3505 104 o Fix for CVE-2014-3509 105 o Fix for CVE-2014-5139 106 o Fix for CVE-2014-3508 107 108 Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014] 109 110 o Fix for CVE-2014-0224 111 o Fix for CVE-2014-0221 112 o Fix for CVE-2014-0198 113 o Fix for CVE-2014-0195 114 o Fix for CVE-2014-3470 115 o Fix for CVE-2010-5298 116 117 Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014] 118 119 o Fix for CVE-2014-0160 120 o Add TLS padding extension workaround for broken servers. 121 o Fix for CVE-2014-0076 122 123 Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014] 124 125 o Don't include gmt_unix_time in TLS server and client random values 126 o Fix for TLS record tampering bug CVE-2013-4353 127 o Fix for TLS version checking bug CVE-2013-6449 128 o Fix for DTLS retransmission bug CVE-2013-6450 129 130 Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]: 131 132 o Corrected fix for CVE-2013-0169 133 134 Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]: 135 136 o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version. 137 o Include the fips configuration module. 138 o Fix OCSP bad key DoS attack CVE-2013-0166 139 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169 140 o Fix for TLS AESNI record handling flaw CVE-2012-2686 141 142 Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]: 143 144 o Fix TLS/DTLS record length checking bug CVE-2012-2333 145 o Don't attempt to use non-FIPS composite ciphers in FIPS mode. 146 147 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]: 148 149 o Fix compilation error on non-x86 platforms. 150 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode. 151 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0 152 153 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]: 154 155 o Fix for ASN1 overflow bug CVE-2012-2110 156 o Workarounds for some servers that hang on long client hellos. 157 o Fix SEGV in AES code. 158 159 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]: 160 161 o TLS/DTLS heartbeat support. 162 o SCTP support. 163 o RFC 5705 TLS key material exporter. 164 o RFC 5764 DTLS-SRTP negotiation. 165 o Next Protocol Negotiation. 166 o PSS signatures in certificates, requests and CRLs. 167 o Support for password based recipient info for CMS. 168 o Support TLS v1.2 and TLS v1.1. 169 o Preliminary FIPS capability for unvalidated 2.0 FIPS module. 170 o SRP support. 171 172 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]: 173 174 o Fix for CMS/PKCS#7 MMA CVE-2012-0884 175 o Corrected fix for CVE-2011-4619 176 o Various DTLS fixes. 177 178 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]: 179 180 o Fix for DTLS DoS issue CVE-2012-0050 181 182 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]: 183 184 o Fix for DTLS plaintext recovery attack CVE-2011-4108 185 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576 186 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619 187 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027 188 o Check for malformed RFC3779 data CVE-2011-4577 189 190 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]: 191 192 o Fix for CRL vulnerability issue CVE-2011-3207 193 o Fix for ECDH crashes CVE-2011-3210 194 o Protection against EC timing attacks. 195 o Support ECDH ciphersuites for certificates using SHA2 algorithms. 196 o Various DTLS fixes. 197 198 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]: 199 200 o Fix for security issue CVE-2011-0014 201 202 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]: 203 204 o Fix for security issue CVE-2010-4180 205 o Fix for CVE-2010-4252 206 o Fix mishandling of absent EC point format extension. 207 o Fix various platform compilation issues. 208 o Corrected fix for security issue CVE-2010-3864. 209 210 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]: 211 212 o Fix for security issue CVE-2010-3864. 213 o Fix for CVE-2010-2939 214 o Fix WIN32 build system for GOST ENGINE. 215 216 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]: 217 218 o Fix for security issue CVE-2010-1633. 219 o GOST MAC and CFB fixes. 220 221 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]: 222 223 o RFC3280 path validation: sufficient to process PKITS tests. 224 o Integrated support for PVK files and keyblobs. 225 o Change default private key format to PKCS#8. 226 o CMS support: able to process all examples in RFC4134 227 o Streaming ASN1 encode support for PKCS#7 and CMS. 228 o Multiple signer and signer add support for PKCS#7 and CMS. 229 o ASN1 printing support. 230 o Whirlpool hash algorithm added. 231 o RFC3161 time stamp support. 232 o New generalised public key API supporting ENGINE based algorithms. 233 o New generalised public key API utilities. 234 o New ENGINE supporting GOST algorithms. 235 o SSL/TLS GOST ciphersuite support. 236 o PKCS#7 and CMS GOST support. 237 o RFC4279 PSK ciphersuite support. 238 o Supported points format extension for ECC ciphersuites. 239 o ecdsa-with-SHA224/256/384/512 signature types. 240 o dsa-with-SHA224 and dsa-with-SHA256 signature types. 241 o Opaque PRF Input TLS extension support. 242 o Updated time routines to avoid OS limitations. 243 244 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]: 245 246 o CFB cipher definition fixes. 247 o Fix security issues CVE-2010-0740 and CVE-2010-0433. 248 249 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]: 250 251 o Cipher definition fixes. 252 o Workaround for slow RAND_poll() on some WIN32 versions. 253 o Remove MD2 from algorithm tables. 254 o SPKAC handling fixes. 255 o Support for RFC5746 TLS renegotiation extension. 256 o Compression memory leak fixed. 257 o Compression session resumption fixed. 258 o Ticket and SNI coexistence fixes. 259 o Many fixes to DTLS handling. 260 261 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]: 262 263 o Temporary work around for CVE-2009-3555: disable renegotiation. 264 265 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]: 266 267 o Fix various build issues. 268 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789) 269 270 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]: 271 272 o Fix security issue (CVE-2008-5077) 273 o Merge FIPS 140-2 branch code. 274 275 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]: 276 277 o CryptoAPI ENGINE support. 278 o Various precautionary measures. 279 o Fix for bugs affecting certificate request creation. 280 o Support for local machine keyset attribute in PKCS#12 files. 281 282 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]: 283 284 o Backport of CMS functionality to 0.9.8. 285 o Fixes for bugs introduced with 0.9.8f. 286 287 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]: 288 289 o Add gcc 4.2 support. 290 o Add support for AES and SSE2 assembly lanugauge optimization 291 for VC++ build. 292 o Support for RFC4507bis and server name extensions if explicitly 293 selected at compile time. 294 o DTLS improvements. 295 o RFC4507bis support. 296 o TLS Extensions support. 297 298 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]: 299 300 o Various ciphersuite selection fixes. 301 o RFC3779 support. 302 303 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]: 304 305 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 306 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 307 o Changes to ciphersuite selection algorithm 308 309 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]: 310 311 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 312 o New cipher Camellia 313 314 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]: 315 316 o Cipher string fixes. 317 o Fixes for VC++ 2005. 318 o Updated ECC cipher suite support. 319 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free(). 320 o Zlib compression usage fixes. 321 o Built in dynamic engine compilation support on Win32. 322 o Fixes auto dynamic engine loading in Win32. 323 324 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]: 325 326 o Fix potential SSL 2.0 rollback, CVE-2005-2969 327 o Extended Windows CE support 328 329 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]: 330 331 o Major work on the BIGNUM library for higher efficiency and to 332 make operations more streamlined and less contradictory. This 333 is the result of a major audit of the BIGNUM library. 334 o Addition of BIGNUM functions for fields GF(2^m) and NIST 335 curves, to support the Elliptic Crypto functions. 336 o Major work on Elliptic Crypto; ECDH and ECDSA added, including 337 the use through EVP, X509 and ENGINE. 338 o New ASN.1 mini-compiler that's usable through the OpenSSL 339 configuration file. 340 o Added support for ASN.1 indefinite length constructed encoding. 341 o New PKCS#12 'medium level' API to manipulate PKCS#12 files. 342 o Complete rework of shared library construction and linking 343 programs with shared or static libraries, through a separate 344 Makefile.shared. 345 o Rework of the passing of parameters from one Makefile to another. 346 o Changed ENGINE framework to load dynamic engine modules 347 automatically from specifically given directories. 348 o New structure and ASN.1 functions for CertificatePair. 349 o Changed the ZLIB compression method to be stateful. 350 o Changed the key-generation and primality testing "progress" 351 mechanism to take a structure that contains the ticker 352 function and an argument. 353 o New engine module: GMP (performs private key exponentiation). 354 o New engine module: VIA PadLOck ACE extension in VIA C3 355 Nehemiah processors. 356 o Added support for IPv6 addresses in certificate extensions. 357 See RFC 1884, section 2.2. 358 o Added support for certificate policy mappings, policy 359 constraints and name constraints. 360 o Added support for multi-valued AVAs in the OpenSSL 361 configuration file. 362 o Added support for multiple certificates with the same subject 363 in the 'openssl ca' index file. 364 o Make it possible to create self-signed certificates using 365 'openssl ca -selfsign'. 366 o Make it possible to generate a serial number file with 367 'openssl ca -create_serial'. 368 o New binary search functions with extended functionality. 369 o New BUF functions. 370 o New STORE structure and library to provide an interface to all 371 sorts of data repositories. Supports storage of public and 372 private keys, certificates, CRLs, numbers and arbitrary blobs. 373 This library is unfortunately unfinished and unused withing 374 OpenSSL. 375 o New control functions for the error stack. 376 o Changed the PKCS#7 library to support one-pass S/MIME 377 processing. 378 o Added the possibility to compile without old deprecated 379 functionality with the OPENSSL_NO_DEPRECATED macro or the 380 'no-deprecated' argument to the config and Configure scripts. 381 o Constification of all ASN.1 conversion functions, and other 382 affected functions. 383 o Improved platform support for PowerPC. 384 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512). 385 o New X509_VERIFY_PARAM structure to support parametrisation 386 of X.509 path validation. 387 o Major overhaul of RC4 performance on Intel P4, IA-64 and 388 AMD64. 389 o Changed the Configure script to have some algorithms disabled 390 by default. Those can be explicitely enabled with the new 391 argument form 'enable-xxx'. 392 o Change the default digest in 'openssl' commands from MD5 to 393 SHA-1. 394 o Added support for DTLS. 395 o New BIGNUM blinding. 396 o Added support for the RSA-PSS encryption scheme 397 o Added support for the RSA X.931 padding. 398 o Added support for BSD sockets on NetWare. 399 o Added support for files larger than 2GB. 400 o Added initial support for Win64. 401 o Added alternate pkg-config files. 402 403 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]: 404 405 o FIPS 1.1.1 module linking. 406 o Various ciphersuite selection fixes. 407 408 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]: 409 410 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 411 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 412 413 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]: 414 415 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 416 417 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]: 418 419 o Visual C++ 2005 fixes. 420 o Update Windows build system for FIPS. 421 422 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]: 423 424 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build. 425 426 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]: 427 428 o Fix SSL 2.0 Rollback, CVE-2005-2969 429 o Allow use of fixed-length exponent on DSA signing 430 o Default fixed-window RSA, DSA, DH private-key operations 431 432 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]: 433 434 o More compilation issues fixed. 435 o Adaptation to more modern Kerberos API. 436 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin. 437 o Enhanced x86_64 assembler BIGNUM module. 438 o More constification. 439 o Added processing of proxy certificates (RFC 3820). 440 441 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]: 442 443 o Several compilation issues fixed. 444 o Many memory allocation failure checks added. 445 o Improved comparison of X509 Name type. 446 o Mandatory basic checks on certificates. 447 o Performance improvements. 448 449 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]: 450 451 o Fix race condition in CRL checking code. 452 o Fixes to PKCS#7 (S/MIME) code. 453 454 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]: 455 456 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 457 o Security: Fix null-pointer assignment in do_change_cipher_spec() 458 o Allow multiple active certificates with same subject in CA index 459 o Multiple X509 verification fixes 460 o Speed up HMAC and other operations 461 462 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]: 463 464 o Security: fix various ASN1 parsing bugs. 465 o New -ignore_err option to OCSP utility. 466 o Various interop and bug fixes in S/MIME code. 467 o SSL/TLS protocol fix for unrequested client certificates. 468 469 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]: 470 471 o Security: counter the Klima-Pokorny-Rosa extension of 472 Bleichbacher's attack 473 o Security: make RSA blinding default. 474 o Configuration: Irix fixes, AIX fixes, better mingw support. 475 o Support for new platforms: linux-ia64-ecc. 476 o Build: shared library support fixes. 477 o ASN.1: treat domainComponent correctly. 478 o Documentation: fixes and additions. 479 480 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]: 481 482 o Security: Important security related bugfixes. 483 o Enhanced compatibility with MIT Kerberos. 484 o Can be built without the ENGINE framework. 485 o IA32 assembler enhancements. 486 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 487 o Configuration: the no-err option now works properly. 488 o SSL/TLS: now handles manual certificate chain building. 489 o SSL/TLS: certain session ID malfunctions corrected. 490 491 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]: 492 493 o New library section OCSP. 494 o Complete rewrite of ASN1 code. 495 o CRL checking in verify code and openssl utility. 496 o Extension copying in 'ca' utility. 497 o Flexible display options in 'ca' utility. 498 o Provisional support for international characters with UTF8. 499 o Support for external crypto devices ('engine') is no longer 500 a separate distribution. 501 o New elliptic curve library section. 502 o New AES (Rijndael) library section. 503 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 504 Linux x86_64, Linux 64-bit on Sparc v9 505 o Extended support for some platforms: VxWorks 506 o Enhanced support for shared libraries. 507 o Now only builds PIC code when shared library support is requested. 508 o Support for pkg-config. 509 o Lots of new manuals. 510 o Makes symbolic links to or copies of manuals to cover all described 511 functions. 512 o Change DES API to clean up the namespace (some applications link also 513 against libdes providing similar functions having the same name). 514 Provide macros for backward compatibility (will be removed in the 515 future). 516 o Unify handling of cryptographic algorithms (software and engine) 517 to be available via EVP routines for asymmetric and symmetric ciphers. 518 o NCONF: new configuration handling routines. 519 o Change API to use more 'const' modifiers to improve error checking 520 and help optimizers. 521 o Finally remove references to RSAref. 522 o Reworked parts of the BIGNUM code. 523 o Support for new engines: Broadcom ubsec, Accelerated Encryption 524 Processing, IBM 4758. 525 o A few new engines added in the demos area. 526 o Extended and corrected OID (object identifier) table. 527 o PRNG: query at more locations for a random device, automatic query for 528 EGD style random sources at several locations. 529 o SSL/TLS: allow optional cipher choice according to server's preference. 530 o SSL/TLS: allow server to explicitly set new session ids. 531 o SSL/TLS: support Kerberos cipher suites (RFC2712). 532 Only supports MIT Kerberos for now. 533 o SSL/TLS: allow more precise control of renegotiations and sessions. 534 o SSL/TLS: add callback to retrieve SSL/TLS messages. 535 o SSL/TLS: support AES cipher suites (RFC3268). 536 537 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]: 538 539 o Security: fix various ASN1 parsing bugs. 540 o SSL/TLS protocol fix for unrequested client certificates. 541 542 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]: 543 544 o Security: counter the Klima-Pokorny-Rosa extension of 545 Bleichbacher's attack 546 o Security: make RSA blinding default. 547 o Build: shared library support fixes. 548 549 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]: 550 551 o Important security related bugfixes. 552 553 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]: 554 555 o New configuration targets for Tandem OSS and A/UX. 556 o New OIDs for Microsoft attributes. 557 o Better handling of SSL session caching. 558 o Better comparison of distinguished names. 559 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 560 o Support assembler code with Borland C. 561 o Fixes for length problems. 562 o Fixes for uninitialised variables. 563 o Fixes for memory leaks, some unusual crashes and some race conditions. 564 o Fixes for smaller building problems. 565 o Updates of manuals, FAQ and other instructive documents. 566 567 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]: 568 569 o Important building fixes on Unix. 570 571 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]: 572 573 o Various important bugfixes. 574 575 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]: 576 577 o Important security related bugfixes. 578 o Various SSL/TLS library bugfixes. 579 580 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]: 581 582 o Various SSL/TLS library bugfixes. 583 o Fix DH parameter generation for 'non-standard' generators. 584 585 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]: 586 587 o Various SSL/TLS library bugfixes. 588 o BIGNUM library fixes. 589 o RSA OAEP and random number generation fixes. 590 o Object identifiers corrected and added. 591 o Add assembler BN routines for IA64. 592 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 593 MIPS Linux; shared library support for Irix, HP-UX. 594 o Add crypto accelerator support for AEP, Baltimore SureWare, 595 Broadcom and Cryptographic Appliance's keyserver 596 [in 0.9.6c-engine release]. 597 598 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]: 599 600 o Security fix: PRNG improvements. 601 o Security fix: RSA OAEP check. 602 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 603 attack. 604 o MIPS bug fix in BIGNUM. 605 o Bug fix in "openssl enc". 606 o Bug fix in X.509 printing routine. 607 o Bug fix in DSA verification routine and DSA S/MIME verification. 608 o Bug fix to make PRNG thread-safe. 609 o Bug fix in RAND_file_name(). 610 o Bug fix in compatibility mode trust settings. 611 o Bug fix in blowfish EVP. 612 o Increase default size for BIO buffering filter. 613 o Compatibility fixes in some scripts. 614 615 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]: 616 617 o Security fix: change behavior of OpenSSL to avoid using 618 environment variables when running as root. 619 o Security fix: check the result of RSA-CRT to reduce the 620 possibility of deducing the private key from an incorrectly 621 calculated signature. 622 o Security fix: prevent Bleichenbacher's DSA attack. 623 o Security fix: Zero the premaster secret after deriving the 624 master secret in DH ciphersuites. 625 o Reimplement SSL_peek(), which had various problems. 626 o Compatibility fix: the function des_encrypt() renamed to 627 des_encrypt1() to avoid clashes with some Unixen libc. 628 o Bug fixes for Win32, HP/UX and Irix. 629 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 630 memory checking routines. 631 o Bug fixes for RSA operations in threaded environments. 632 o Bug fixes in misc. openssl applications. 633 o Remove a few potential memory leaks. 634 o Add tighter checks of BIGNUM routines. 635 o Shared library support has been reworked for generality. 636 o More documentation. 637 o New function BN_rand_range(). 638 o Add "-rand" option to openssl s_client and s_server. 639 640 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]: 641 642 o Some documentation for BIO and SSL libraries. 643 o Enhanced chain verification using key identifiers. 644 o New sign and verify options to 'dgst' application. 645 o Support for DER and PEM encoded messages in 'smime' application. 646 o New 'rsautl' application, low level RSA utility. 647 o MD4 now included. 648 o Bugfix for SSL rollback padding check. 649 o Support for external crypto devices [1]. 650 o Enhanced EVP interface. 651 652 [1] The support for external crypto devices is currently a separate 653 distribution. See the file README.ENGINE. 654 655 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]: 656 657 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 658 o Shared library support for HPUX and Solaris-gcc 659 o Support of Linux/IA64 660 o Assembler support for Mingw32 661 o New 'rand' application 662 o New way to check for existence of algorithms from scripts 663 664 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]: 665 666 o S/MIME support in new 'smime' command 667 o Documentation for the OpenSSL command line application 668 o Automation of 'req' application 669 o Fixes to make s_client, s_server work under Windows 670 o Support for multiple fieldnames in SPKACs 671 o New SPKAC command line utilty and associated library functions 672 o Options to allow passwords to be obtained from various sources 673 o New public key PEM format and options to handle it 674 o Many other fixes and enhancements to command line utilities 675 o Usable certificate chain verification 676 o Certificate purpose checking 677 o Certificate trust settings 678 o Support of authority information access extension 679 o Extensions in certificate requests 680 o Simplified X509 name and attribute routines 681 o Initial (incomplete) support for international character sets 682 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 683 o Read only memory BIOs and simplified creation function 684 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 685 record; allow fragmentation and interleaving of handshake and other 686 data 687 o TLS/SSL code now "tolerates" MS SGC 688 o Work around for Netscape client certificate hang bug 689 o RSA_NULL option that removes RSA patent code but keeps other 690 RSA functionality 691 o Memory leak detection now allows applications to add extra information 692 via a per-thread stack 693 o PRNG robustness improved 694 o EGD support 695 o BIGNUM library bug fixes 696 o Faster DSA parameter generation 697 o Enhanced support for Alpha Linux 698 o Experimental MacOS support 699 700 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]: 701 702 o Transparent support for PKCS#8 format private keys: these are used 703 by several software packages and are more secure than the standard 704 form 705 o PKCS#5 v2.0 implementation 706 o Password callbacks have a new void * argument for application data 707 o Avoid various memory leaks 708 o New pipe-like BIO that allows using the SSL library when actual I/O 709 must be handled by the application (BIO pair) 710 711 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]: 712 o Lots of enhancements and cleanups to the Configuration mechanism 713 o RSA OEAP related fixes 714 o Added `openssl ca -revoke' option for revoking a certificate 715 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 716 o Source tree cleanups: removed lots of obsolete files 717 o Thawte SXNet, certificate policies and CRL distribution points 718 extension support 719 o Preliminary (experimental) S/MIME support 720 o Support for ASN.1 UTF8String and VisibleString 721 o Full integration of PKCS#12 code 722 o Sparc assembler bignum implementation, optimized hash functions 723 o Option to disable selected ciphers 724 725 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]: 726 o Fixed a security hole related to session resumption 727 o Fixed RSA encryption routines for the p < q case 728 o "ALL" in cipher lists now means "everything except NULL ciphers" 729 o Support for Triple-DES CBCM cipher 730 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 731 o First support for new TLSv1 ciphers 732 o Added a few new BIOs (syslog BIO, reliable BIO) 733 o Extended support for DSA certificate/keys. 734 o Extended support for Certificate Signing Requests (CSR) 735 o Initial support for X.509v3 extensions 736 o Extended support for compression inside the SSL record layer 737 o Overhauled Win32 builds 738 o Cleanups and fixes to the Big Number (BN) library 739 o Support for ASN.1 GeneralizedTime 740 o Splitted ASN.1 SETs from SEQUENCEs 741 o ASN1 and PEM support for Netscape Certificate Sequences 742 o Overhauled Perl interface 743 o Lots of source tree cleanups. 744 o Lots of memory leak fixes. 745 o Lots of bug fixes. 746 747 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]: 748 o Integration of the popular NO_RSA/NO_DSA patches 749 o Initial support for compression inside the SSL record layer 750 o Added BIO proxy and filtering functionality 751 o Extended Big Number (BN) library 752 o Added RIPE MD160 message digest 753 o Addeed support for RC2/64bit cipher 754 o Extended ASN.1 parser routines 755 o Adjustations of the source tree for CVS 756 o Support for various new platforms 757 758