NEWS revision 306196
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 [22 Sep 2016] 9 10 o OCSP Status Request extension unbounded memory growth (CVE-2016-6304) 11 o SWEET32 Mitigation (CVE-2016-2183) 12 o OOB write in MDC2_Update() (CVE-2016-6303) 13 o Malformed SHA512 ticket DoS (CVE-2016-6302) 14 o OOB write in BN_bn2dec() (CVE-2016-2182) 15 o OOB read in TS_OBJ_print_bio() (CVE-2016-2180) 16 o Pointer arithmetic undefined behaviour (CVE-2016-2177) 17 o Constant time flag not preserved in DSA signing (CVE-2016-2178) 18 o DTLS buffered message DoS (CVE-2016-2179) 19 o DTLS replay protection DoS (CVE-2016-2181) 20 o Certificate message OOB reads (CVE-2016-6306) 21 22 Major changes between OpenSSL 1.0.1s and OpenSSL 1.0.1t [3 May 2016] 23 24 o Prevent padding oracle in AES-NI CBC MAC check (CVE-2016-2107) 25 o Fix EVP_EncodeUpdate overflow (CVE-2016-2105) 26 o Fix EVP_EncryptUpdate overflow (CVE-2016-2106) 27 o Prevent ASN.1 BIO excessive memory allocation (CVE-2016-2109) 28 o EBCDIC overread (CVE-2016-2176) 29 o Modify behavior of ALPN to invoke callback after SNI/servername 30 callback, such that updates to the SSL_CTX affect ALPN. 31 o Remove LOW from the DEFAULT cipher list. This removes singles DES from 32 the default. 33 o Only remove the SSLv2 methods with the no-ssl2-method option. 34 35 Major changes between OpenSSL 1.0.1r and OpenSSL 1.0.1s [1 Mar 2016] 36 37 o Disable weak ciphers in SSLv3 and up in default builds of OpenSSL. 38 o Disable SSLv2 default build, default negotiation and weak ciphers 39 (CVE-2016-0800) 40 o Fix a double-free in DSA code (CVE-2016-0705) 41 o Disable SRP fake user seed to address a server memory leak 42 (CVE-2016-0798) 43 o Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption 44 (CVE-2016-0797) 45 o Fix memory issues in BIO_*printf functions (CVE-2016-0799) 46 o Fix side channel attack on modular exponentiation (CVE-2016-0702) 47 48 Major changes between OpenSSL 1.0.1q and OpenSSL 1.0.1r [28 Jan 2016] 49 50 o Protection for DH small subgroup attacks 51 o SSLv2 doesn't block disabled ciphers (CVE-2015-3197) 52 53 Major changes between OpenSSL 1.0.1p and OpenSSL 1.0.1q [3 Dec 2015] 54 55 o Certificate verify crash with missing PSS parameter (CVE-2015-3194) 56 o X509_ATTRIBUTE memory leak (CVE-2015-3195) 57 o Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs 58 o In DSA_generate_parameters_ex, if the provided seed is too short, 59 return an error 60 61 Major changes between OpenSSL 1.0.1o and OpenSSL 1.0.1p [9 Jul 2015] 62 63 o Alternate chains certificate forgery (CVE-2015-1793) 64 o Race condition handling PSK identify hint (CVE-2015-3196) 65 66 Major changes between OpenSSL 1.0.1n and OpenSSL 1.0.1o [12 Jun 2015] 67 68 o Fix HMAC ABI incompatibility 69 70 Major changes between OpenSSL 1.0.1m and OpenSSL 1.0.1n [11 Jun 2015] 71 72 o Malformed ECParameters causes infinite loop (CVE-2015-1788) 73 o Exploitable out-of-bounds read in X509_cmp_time (CVE-2015-1789) 74 o PKCS7 crash with missing EnvelopedContent (CVE-2015-1790) 75 o CMS verify infinite loop with unknown hash function (CVE-2015-1792) 76 o Race condition handling NewSessionTicket (CVE-2015-1791) 77 78 Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.1m [19 Mar 2015] 79 80 o Segmentation fault in ASN1_TYPE_cmp fix (CVE-2015-0286) 81 o ASN.1 structure reuse memory corruption fix (CVE-2015-0287) 82 o PKCS7 NULL pointer dereferences fix (CVE-2015-0289) 83 o DoS via reachable assert in SSLv2 servers fix (CVE-2015-0293) 84 o Use After Free following d2i_ECPrivatekey error fix (CVE-2015-0209) 85 o X509_to_X509_REQ NULL pointer deref fix (CVE-2015-0288) 86 o Removed the export ciphers from the DEFAULT ciphers 87 88 Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015] 89 90 o Build fixes for the Windows and OpenVMS platforms 91 92 Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015] 93 94 o Fix for CVE-2014-3571 95 o Fix for CVE-2015-0206 96 o Fix for CVE-2014-3569 97 o Fix for CVE-2014-3572 98 o Fix for CVE-2015-0204 99 o Fix for CVE-2015-0205 100 o Fix for CVE-2014-8275 101 o Fix for CVE-2014-3570 102 103 Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014] 104 105 o Fix for CVE-2014-3513 106 o Fix for CVE-2014-3567 107 o Mitigation for CVE-2014-3566 (SSL protocol vulnerability) 108 o Fix for CVE-2014-3568 109 110 Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014] 111 112 o Fix for CVE-2014-3512 113 o Fix for CVE-2014-3511 114 o Fix for CVE-2014-3510 115 o Fix for CVE-2014-3507 116 o Fix for CVE-2014-3506 117 o Fix for CVE-2014-3505 118 o Fix for CVE-2014-3509 119 o Fix for CVE-2014-5139 120 o Fix for CVE-2014-3508 121 122 Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014] 123 124 o Fix for CVE-2014-0224 125 o Fix for CVE-2014-0221 126 o Fix for CVE-2014-0198 127 o Fix for CVE-2014-0195 128 o Fix for CVE-2014-3470 129 o Fix for CVE-2010-5298 130 131 Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014] 132 133 o Fix for CVE-2014-0160 134 o Add TLS padding extension workaround for broken servers. 135 o Fix for CVE-2014-0076 136 137 Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014] 138 139 o Don't include gmt_unix_time in TLS server and client random values 140 o Fix for TLS record tampering bug CVE-2013-4353 141 o Fix for TLS version checking bug CVE-2013-6449 142 o Fix for DTLS retransmission bug CVE-2013-6450 143 144 Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]: 145 146 o Corrected fix for CVE-2013-0169 147 148 Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]: 149 150 o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version. 151 o Include the fips configuration module. 152 o Fix OCSP bad key DoS attack CVE-2013-0166 153 o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169 154 o Fix for TLS AESNI record handling flaw CVE-2012-2686 155 156 Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]: 157 158 o Fix TLS/DTLS record length checking bug CVE-2012-2333 159 o Don't attempt to use non-FIPS composite ciphers in FIPS mode. 160 161 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]: 162 163 o Fix compilation error on non-x86 platforms. 164 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode. 165 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0 166 167 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]: 168 169 o Fix for ASN1 overflow bug CVE-2012-2110 170 o Workarounds for some servers that hang on long client hellos. 171 o Fix SEGV in AES code. 172 173 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]: 174 175 o TLS/DTLS heartbeat support. 176 o SCTP support. 177 o RFC 5705 TLS key material exporter. 178 o RFC 5764 DTLS-SRTP negotiation. 179 o Next Protocol Negotiation. 180 o PSS signatures in certificates, requests and CRLs. 181 o Support for password based recipient info for CMS. 182 o Support TLS v1.2 and TLS v1.1. 183 o Preliminary FIPS capability for unvalidated 2.0 FIPS module. 184 o SRP support. 185 186 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]: 187 188 o Fix for CMS/PKCS#7 MMA CVE-2012-0884 189 o Corrected fix for CVE-2011-4619 190 o Various DTLS fixes. 191 192 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]: 193 194 o Fix for DTLS DoS issue CVE-2012-0050 195 196 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]: 197 198 o Fix for DTLS plaintext recovery attack CVE-2011-4108 199 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576 200 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619 201 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027 202 o Check for malformed RFC3779 data CVE-2011-4577 203 204 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]: 205 206 o Fix for CRL vulnerability issue CVE-2011-3207 207 o Fix for ECDH crashes CVE-2011-3210 208 o Protection against EC timing attacks. 209 o Support ECDH ciphersuites for certificates using SHA2 algorithms. 210 o Various DTLS fixes. 211 212 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]: 213 214 o Fix for security issue CVE-2011-0014 215 216 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]: 217 218 o Fix for security issue CVE-2010-4180 219 o Fix for CVE-2010-4252 220 o Fix mishandling of absent EC point format extension. 221 o Fix various platform compilation issues. 222 o Corrected fix for security issue CVE-2010-3864. 223 224 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]: 225 226 o Fix for security issue CVE-2010-3864. 227 o Fix for CVE-2010-2939 228 o Fix WIN32 build system for GOST ENGINE. 229 230 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]: 231 232 o Fix for security issue CVE-2010-1633. 233 o GOST MAC and CFB fixes. 234 235 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]: 236 237 o RFC3280 path validation: sufficient to process PKITS tests. 238 o Integrated support for PVK files and keyblobs. 239 o Change default private key format to PKCS#8. 240 o CMS support: able to process all examples in RFC4134 241 o Streaming ASN1 encode support for PKCS#7 and CMS. 242 o Multiple signer and signer add support for PKCS#7 and CMS. 243 o ASN1 printing support. 244 o Whirlpool hash algorithm added. 245 o RFC3161 time stamp support. 246 o New generalised public key API supporting ENGINE based algorithms. 247 o New generalised public key API utilities. 248 o New ENGINE supporting GOST algorithms. 249 o SSL/TLS GOST ciphersuite support. 250 o PKCS#7 and CMS GOST support. 251 o RFC4279 PSK ciphersuite support. 252 o Supported points format extension for ECC ciphersuites. 253 o ecdsa-with-SHA224/256/384/512 signature types. 254 o dsa-with-SHA224 and dsa-with-SHA256 signature types. 255 o Opaque PRF Input TLS extension support. 256 o Updated time routines to avoid OS limitations. 257 258 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]: 259 260 o CFB cipher definition fixes. 261 o Fix security issues CVE-2010-0740 and CVE-2010-0433. 262 263 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]: 264 265 o Cipher definition fixes. 266 o Workaround for slow RAND_poll() on some WIN32 versions. 267 o Remove MD2 from algorithm tables. 268 o SPKAC handling fixes. 269 o Support for RFC5746 TLS renegotiation extension. 270 o Compression memory leak fixed. 271 o Compression session resumption fixed. 272 o Ticket and SNI coexistence fixes. 273 o Many fixes to DTLS handling. 274 275 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]: 276 277 o Temporary work around for CVE-2009-3555: disable renegotiation. 278 279 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]: 280 281 o Fix various build issues. 282 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789) 283 284 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]: 285 286 o Fix security issue (CVE-2008-5077) 287 o Merge FIPS 140-2 branch code. 288 289 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]: 290 291 o CryptoAPI ENGINE support. 292 o Various precautionary measures. 293 o Fix for bugs affecting certificate request creation. 294 o Support for local machine keyset attribute in PKCS#12 files. 295 296 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]: 297 298 o Backport of CMS functionality to 0.9.8. 299 o Fixes for bugs introduced with 0.9.8f. 300 301 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]: 302 303 o Add gcc 4.2 support. 304 o Add support for AES and SSE2 assembly lanugauge optimization 305 for VC++ build. 306 o Support for RFC4507bis and server name extensions if explicitly 307 selected at compile time. 308 o DTLS improvements. 309 o RFC4507bis support. 310 o TLS Extensions support. 311 312 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]: 313 314 o Various ciphersuite selection fixes. 315 o RFC3779 support. 316 317 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]: 318 319 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 320 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 321 o Changes to ciphersuite selection algorithm 322 323 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]: 324 325 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 326 o New cipher Camellia 327 328 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]: 329 330 o Cipher string fixes. 331 o Fixes for VC++ 2005. 332 o Updated ECC cipher suite support. 333 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free(). 334 o Zlib compression usage fixes. 335 o Built in dynamic engine compilation support on Win32. 336 o Fixes auto dynamic engine loading in Win32. 337 338 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]: 339 340 o Fix potential SSL 2.0 rollback, CVE-2005-2969 341 o Extended Windows CE support 342 343 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]: 344 345 o Major work on the BIGNUM library for higher efficiency and to 346 make operations more streamlined and less contradictory. This 347 is the result of a major audit of the BIGNUM library. 348 o Addition of BIGNUM functions for fields GF(2^m) and NIST 349 curves, to support the Elliptic Crypto functions. 350 o Major work on Elliptic Crypto; ECDH and ECDSA added, including 351 the use through EVP, X509 and ENGINE. 352 o New ASN.1 mini-compiler that's usable through the OpenSSL 353 configuration file. 354 o Added support for ASN.1 indefinite length constructed encoding. 355 o New PKCS#12 'medium level' API to manipulate PKCS#12 files. 356 o Complete rework of shared library construction and linking 357 programs with shared or static libraries, through a separate 358 Makefile.shared. 359 o Rework of the passing of parameters from one Makefile to another. 360 o Changed ENGINE framework to load dynamic engine modules 361 automatically from specifically given directories. 362 o New structure and ASN.1 functions for CertificatePair. 363 o Changed the ZLIB compression method to be stateful. 364 o Changed the key-generation and primality testing "progress" 365 mechanism to take a structure that contains the ticker 366 function and an argument. 367 o New engine module: GMP (performs private key exponentiation). 368 o New engine module: VIA PadLOck ACE extension in VIA C3 369 Nehemiah processors. 370 o Added support for IPv6 addresses in certificate extensions. 371 See RFC 1884, section 2.2. 372 o Added support for certificate policy mappings, policy 373 constraints and name constraints. 374 o Added support for multi-valued AVAs in the OpenSSL 375 configuration file. 376 o Added support for multiple certificates with the same subject 377 in the 'openssl ca' index file. 378 o Make it possible to create self-signed certificates using 379 'openssl ca -selfsign'. 380 o Make it possible to generate a serial number file with 381 'openssl ca -create_serial'. 382 o New binary search functions with extended functionality. 383 o New BUF functions. 384 o New STORE structure and library to provide an interface to all 385 sorts of data repositories. Supports storage of public and 386 private keys, certificates, CRLs, numbers and arbitrary blobs. 387 This library is unfortunately unfinished and unused withing 388 OpenSSL. 389 o New control functions for the error stack. 390 o Changed the PKCS#7 library to support one-pass S/MIME 391 processing. 392 o Added the possibility to compile without old deprecated 393 functionality with the OPENSSL_NO_DEPRECATED macro or the 394 'no-deprecated' argument to the config and Configure scripts. 395 o Constification of all ASN.1 conversion functions, and other 396 affected functions. 397 o Improved platform support for PowerPC. 398 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512). 399 o New X509_VERIFY_PARAM structure to support parametrisation 400 of X.509 path validation. 401 o Major overhaul of RC4 performance on Intel P4, IA-64 and 402 AMD64. 403 o Changed the Configure script to have some algorithms disabled 404 by default. Those can be explicitely enabled with the new 405 argument form 'enable-xxx'. 406 o Change the default digest in 'openssl' commands from MD5 to 407 SHA-1. 408 o Added support for DTLS. 409 o New BIGNUM blinding. 410 o Added support for the RSA-PSS encryption scheme 411 o Added support for the RSA X.931 padding. 412 o Added support for BSD sockets on NetWare. 413 o Added support for files larger than 2GB. 414 o Added initial support for Win64. 415 o Added alternate pkg-config files. 416 417 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]: 418 419 o FIPS 1.1.1 module linking. 420 o Various ciphersuite selection fixes. 421 422 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]: 423 424 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 425 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 426 427 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]: 428 429 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 430 431 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]: 432 433 o Visual C++ 2005 fixes. 434 o Update Windows build system for FIPS. 435 436 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]: 437 438 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build. 439 440 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]: 441 442 o Fix SSL 2.0 Rollback, CVE-2005-2969 443 o Allow use of fixed-length exponent on DSA signing 444 o Default fixed-window RSA, DSA, DH private-key operations 445 446 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]: 447 448 o More compilation issues fixed. 449 o Adaptation to more modern Kerberos API. 450 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin. 451 o Enhanced x86_64 assembler BIGNUM module. 452 o More constification. 453 o Added processing of proxy certificates (RFC 3820). 454 455 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]: 456 457 o Several compilation issues fixed. 458 o Many memory allocation failure checks added. 459 o Improved comparison of X509 Name type. 460 o Mandatory basic checks on certificates. 461 o Performance improvements. 462 463 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]: 464 465 o Fix race condition in CRL checking code. 466 o Fixes to PKCS#7 (S/MIME) code. 467 468 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]: 469 470 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 471 o Security: Fix null-pointer assignment in do_change_cipher_spec() 472 o Allow multiple active certificates with same subject in CA index 473 o Multiple X509 verification fixes 474 o Speed up HMAC and other operations 475 476 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]: 477 478 o Security: fix various ASN1 parsing bugs. 479 o New -ignore_err option to OCSP utility. 480 o Various interop and bug fixes in S/MIME code. 481 o SSL/TLS protocol fix for unrequested client certificates. 482 483 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]: 484 485 o Security: counter the Klima-Pokorny-Rosa extension of 486 Bleichbacher's attack 487 o Security: make RSA blinding default. 488 o Configuration: Irix fixes, AIX fixes, better mingw support. 489 o Support for new platforms: linux-ia64-ecc. 490 o Build: shared library support fixes. 491 o ASN.1: treat domainComponent correctly. 492 o Documentation: fixes and additions. 493 494 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]: 495 496 o Security: Important security related bugfixes. 497 o Enhanced compatibility with MIT Kerberos. 498 o Can be built without the ENGINE framework. 499 o IA32 assembler enhancements. 500 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 501 o Configuration: the no-err option now works properly. 502 o SSL/TLS: now handles manual certificate chain building. 503 o SSL/TLS: certain session ID malfunctions corrected. 504 505 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]: 506 507 o New library section OCSP. 508 o Complete rewrite of ASN1 code. 509 o CRL checking in verify code and openssl utility. 510 o Extension copying in 'ca' utility. 511 o Flexible display options in 'ca' utility. 512 o Provisional support for international characters with UTF8. 513 o Support for external crypto devices ('engine') is no longer 514 a separate distribution. 515 o New elliptic curve library section. 516 o New AES (Rijndael) library section. 517 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 518 Linux x86_64, Linux 64-bit on Sparc v9 519 o Extended support for some platforms: VxWorks 520 o Enhanced support for shared libraries. 521 o Now only builds PIC code when shared library support is requested. 522 o Support for pkg-config. 523 o Lots of new manuals. 524 o Makes symbolic links to or copies of manuals to cover all described 525 functions. 526 o Change DES API to clean up the namespace (some applications link also 527 against libdes providing similar functions having the same name). 528 Provide macros for backward compatibility (will be removed in the 529 future). 530 o Unify handling of cryptographic algorithms (software and engine) 531 to be available via EVP routines for asymmetric and symmetric ciphers. 532 o NCONF: new configuration handling routines. 533 o Change API to use more 'const' modifiers to improve error checking 534 and help optimizers. 535 o Finally remove references to RSAref. 536 o Reworked parts of the BIGNUM code. 537 o Support for new engines: Broadcom ubsec, Accelerated Encryption 538 Processing, IBM 4758. 539 o A few new engines added in the demos area. 540 o Extended and corrected OID (object identifier) table. 541 o PRNG: query at more locations for a random device, automatic query for 542 EGD style random sources at several locations. 543 o SSL/TLS: allow optional cipher choice according to server's preference. 544 o SSL/TLS: allow server to explicitly set new session ids. 545 o SSL/TLS: support Kerberos cipher suites (RFC2712). 546 Only supports MIT Kerberos for now. 547 o SSL/TLS: allow more precise control of renegotiations and sessions. 548 o SSL/TLS: add callback to retrieve SSL/TLS messages. 549 o SSL/TLS: support AES cipher suites (RFC3268). 550 551 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]: 552 553 o Security: fix various ASN1 parsing bugs. 554 o SSL/TLS protocol fix for unrequested client certificates. 555 556 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]: 557 558 o Security: counter the Klima-Pokorny-Rosa extension of 559 Bleichbacher's attack 560 o Security: make RSA blinding default. 561 o Build: shared library support fixes. 562 563 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]: 564 565 o Important security related bugfixes. 566 567 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]: 568 569 o New configuration targets for Tandem OSS and A/UX. 570 o New OIDs for Microsoft attributes. 571 o Better handling of SSL session caching. 572 o Better comparison of distinguished names. 573 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 574 o Support assembler code with Borland C. 575 o Fixes for length problems. 576 o Fixes for uninitialised variables. 577 o Fixes for memory leaks, some unusual crashes and some race conditions. 578 o Fixes for smaller building problems. 579 o Updates of manuals, FAQ and other instructive documents. 580 581 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]: 582 583 o Important building fixes on Unix. 584 585 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]: 586 587 o Various important bugfixes. 588 589 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]: 590 591 o Important security related bugfixes. 592 o Various SSL/TLS library bugfixes. 593 594 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]: 595 596 o Various SSL/TLS library bugfixes. 597 o Fix DH parameter generation for 'non-standard' generators. 598 599 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]: 600 601 o Various SSL/TLS library bugfixes. 602 o BIGNUM library fixes. 603 o RSA OAEP and random number generation fixes. 604 o Object identifiers corrected and added. 605 o Add assembler BN routines for IA64. 606 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 607 MIPS Linux; shared library support for Irix, HP-UX. 608 o Add crypto accelerator support for AEP, Baltimore SureWare, 609 Broadcom and Cryptographic Appliance's keyserver 610 [in 0.9.6c-engine release]. 611 612 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]: 613 614 o Security fix: PRNG improvements. 615 o Security fix: RSA OAEP check. 616 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 617 attack. 618 o MIPS bug fix in BIGNUM. 619 o Bug fix in "openssl enc". 620 o Bug fix in X.509 printing routine. 621 o Bug fix in DSA verification routine and DSA S/MIME verification. 622 o Bug fix to make PRNG thread-safe. 623 o Bug fix in RAND_file_name(). 624 o Bug fix in compatibility mode trust settings. 625 o Bug fix in blowfish EVP. 626 o Increase default size for BIO buffering filter. 627 o Compatibility fixes in some scripts. 628 629 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]: 630 631 o Security fix: change behavior of OpenSSL to avoid using 632 environment variables when running as root. 633 o Security fix: check the result of RSA-CRT to reduce the 634 possibility of deducing the private key from an incorrectly 635 calculated signature. 636 o Security fix: prevent Bleichenbacher's DSA attack. 637 o Security fix: Zero the premaster secret after deriving the 638 master secret in DH ciphersuites. 639 o Reimplement SSL_peek(), which had various problems. 640 o Compatibility fix: the function des_encrypt() renamed to 641 des_encrypt1() to avoid clashes with some Unixen libc. 642 o Bug fixes for Win32, HP/UX and Irix. 643 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 644 memory checking routines. 645 o Bug fixes for RSA operations in threaded environments. 646 o Bug fixes in misc. openssl applications. 647 o Remove a few potential memory leaks. 648 o Add tighter checks of BIGNUM routines. 649 o Shared library support has been reworked for generality. 650 o More documentation. 651 o New function BN_rand_range(). 652 o Add "-rand" option to openssl s_client and s_server. 653 654 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]: 655 656 o Some documentation for BIO and SSL libraries. 657 o Enhanced chain verification using key identifiers. 658 o New sign and verify options to 'dgst' application. 659 o Support for DER and PEM encoded messages in 'smime' application. 660 o New 'rsautl' application, low level RSA utility. 661 o MD4 now included. 662 o Bugfix for SSL rollback padding check. 663 o Support for external crypto devices [1]. 664 o Enhanced EVP interface. 665 666 [1] The support for external crypto devices is currently a separate 667 distribution. See the file README.ENGINE. 668 669 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]: 670 671 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 672 o Shared library support for HPUX and Solaris-gcc 673 o Support of Linux/IA64 674 o Assembler support for Mingw32 675 o New 'rand' application 676 o New way to check for existence of algorithms from scripts 677 678 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]: 679 680 o S/MIME support in new 'smime' command 681 o Documentation for the OpenSSL command line application 682 o Automation of 'req' application 683 o Fixes to make s_client, s_server work under Windows 684 o Support for multiple fieldnames in SPKACs 685 o New SPKAC command line utilty and associated library functions 686 o Options to allow passwords to be obtained from various sources 687 o New public key PEM format and options to handle it 688 o Many other fixes and enhancements to command line utilities 689 o Usable certificate chain verification 690 o Certificate purpose checking 691 o Certificate trust settings 692 o Support of authority information access extension 693 o Extensions in certificate requests 694 o Simplified X509 name and attribute routines 695 o Initial (incomplete) support for international character sets 696 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 697 o Read only memory BIOs and simplified creation function 698 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 699 record; allow fragmentation and interleaving of handshake and other 700 data 701 o TLS/SSL code now "tolerates" MS SGC 702 o Work around for Netscape client certificate hang bug 703 o RSA_NULL option that removes RSA patent code but keeps other 704 RSA functionality 705 o Memory leak detection now allows applications to add extra information 706 via a per-thread stack 707 o PRNG robustness improved 708 o EGD support 709 o BIGNUM library bug fixes 710 o Faster DSA parameter generation 711 o Enhanced support for Alpha Linux 712 o Experimental MacOS support 713 714 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]: 715 716 o Transparent support for PKCS#8 format private keys: these are used 717 by several software packages and are more secure than the standard 718 form 719 o PKCS#5 v2.0 implementation 720 o Password callbacks have a new void * argument for application data 721 o Avoid various memory leaks 722 o New pipe-like BIO that allows using the SSL library when actual I/O 723 must be handled by the application (BIO pair) 724 725 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]: 726 o Lots of enhancements and cleanups to the Configuration mechanism 727 o RSA OEAP related fixes 728 o Added `openssl ca -revoke' option for revoking a certificate 729 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 730 o Source tree cleanups: removed lots of obsolete files 731 o Thawte SXNet, certificate policies and CRL distribution points 732 extension support 733 o Preliminary (experimental) S/MIME support 734 o Support for ASN.1 UTF8String and VisibleString 735 o Full integration of PKCS#12 code 736 o Sparc assembler bignum implementation, optimized hash functions 737 o Option to disable selected ciphers 738 739 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]: 740 o Fixed a security hole related to session resumption 741 o Fixed RSA encryption routines for the p < q case 742 o "ALL" in cipher lists now means "everything except NULL ciphers" 743 o Support for Triple-DES CBCM cipher 744 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 745 o First support for new TLSv1 ciphers 746 o Added a few new BIOs (syslog BIO, reliable BIO) 747 o Extended support for DSA certificate/keys. 748 o Extended support for Certificate Signing Requests (CSR) 749 o Initial support for X.509v3 extensions 750 o Extended support for compression inside the SSL record layer 751 o Overhauled Win32 builds 752 o Cleanups and fixes to the Big Number (BN) library 753 o Support for ASN.1 GeneralizedTime 754 o Splitted ASN.1 SETs from SEQUENCEs 755 o ASN1 and PEM support for Netscape Certificate Sequences 756 o Overhauled Perl interface 757 o Lots of source tree cleanups. 758 o Lots of memory leak fixes. 759 o Lots of bug fixes. 760 761 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]: 762 o Integration of the popular NO_RSA/NO_DSA patches 763 o Initial support for compression inside the SSL record layer 764 o Added BIO proxy and filtering functionality 765 o Extended Big Number (BN) library 766 o Added RIPE MD160 message digest 767 o Addeed support for RC2/64bit cipher 768 o Extended ASN.1 parser routines 769 o Adjustations of the source tree for CVS 770 o Support for various new platforms 771 772