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