NEWS revision 238405
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 1.0.1b and OpenSSL 1.0.1c: 9 10 o Fix TLS/DTLS record length checking bug CVE-2012-2333 11 o Don't attempt to use non-FIPS composite ciphers in FIPS mode. 12 13 Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b: 14 15 o Fix compilation error on non-x86 platforms. 16 o Make FIPS capable OpenSSL ciphers work in non-FIPS mode. 17 o Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0 18 19 Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a: 20 21 o Fix for ASN1 overflow bug CVE-2012-2110 22 o Workarounds for some servers that hang on long client hellos. 23 o Fix SEGV in AES code. 24 25 Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1: 26 27 o TLS/DTLS heartbeat support. 28 o SCTP support. 29 o RFC 5705 TLS key material exporter. 30 o RFC 5764 DTLS-SRTP negotiation. 31 o Next Protocol Negotiation. 32 o PSS signatures in certificates, requests and CRLs. 33 o Support for password based recipient info for CMS. 34 o Support TLS v1.2 and TLS v1.1. 35 o Preliminary FIPS capability for unvalidated 2.0 FIPS module. 36 o SRP support. 37 38 Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h: 39 40 o Fix for CMS/PKCS#7 MMA CVE-2012-0884 41 o Corrected fix for CVE-2011-4619 42 o Various DTLS fixes. 43 44 Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g: 45 46 o Fix for DTLS DoS issue CVE-2012-0050 47 48 Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f: 49 50 o Fix for DTLS plaintext recovery attack CVE-2011-4108 51 o Clear block padding bytes of SSL 3.0 records CVE-2011-4576 52 o Only allow one SGC handshake restart for SSL/TLS CVE-2011-4619 53 o Check parameters are not NULL in GOST ENGINE CVE-2012-0027 54 o Check for malformed RFC3779 data CVE-2011-4577 55 56 Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e: 57 58 o Fix for CRL vulnerability issue CVE-2011-3207 59 o Fix for ECDH crashes CVE-2011-3210 60 o Protection against EC timing attacks. 61 o Support ECDH ciphersuites for certificates using SHA2 algorithms. 62 o Various DTLS fixes. 63 64 Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d: 65 66 o Fix for security issue CVE-2011-0014 67 68 Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c: 69 70 o Fix for security issue CVE-2010-4180 71 o Fix for CVE-2010-4252 72 o Fix mishandling of absent EC point format extension. 73 o Fix various platform compilation issues. 74 o Corrected fix for security issue CVE-2010-3864. 75 76 Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b: 77 78 o Fix for security issue CVE-2010-3864. 79 o Fix for CVE-2010-2939 80 o Fix WIN32 build system for GOST ENGINE. 81 82 Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a: 83 84 o Fix for security issue CVE-2010-1633. 85 o GOST MAC and CFB fixes. 86 87 Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0: 88 89 o RFC3280 path validation: sufficient to process PKITS tests. 90 o Integrated support for PVK files and keyblobs. 91 o Change default private key format to PKCS#8. 92 o CMS support: able to process all examples in RFC4134 93 o Streaming ASN1 encode support for PKCS#7 and CMS. 94 o Multiple signer and signer add support for PKCS#7 and CMS. 95 o ASN1 printing support. 96 o Whirlpool hash algorithm added. 97 o RFC3161 time stamp support. 98 o New generalised public key API supporting ENGINE based algorithms. 99 o New generalised public key API utilities. 100 o New ENGINE supporting GOST algorithms. 101 o SSL/TLS GOST ciphersuite support. 102 o PKCS#7 and CMS GOST support. 103 o RFC4279 PSK ciphersuite support. 104 o Supported points format extension for ECC ciphersuites. 105 o ecdsa-with-SHA224/256/384/512 signature types. 106 o dsa-with-SHA224 and dsa-with-SHA256 signature types. 107 o Opaque PRF Input TLS extension support. 108 o Updated time routines to avoid OS limitations. 109 110 Major changes between OpenSSL 0.9.8q and OpenSSL 0.9.8r: 111 112 o Fix for security issue CVE-2011-0014 113 114 Major changes between OpenSSL 0.9.8p and OpenSSL 0.9.8q: 115 116 o Fix for security issue CVE-2010-4180 117 o Fix for CVE-2010-4252 118 119 Major changes between OpenSSL 0.9.8o and OpenSSL 0.9.8p: 120 121 o Fix for security issue CVE-2010-3864. 122 123 Major changes between OpenSSL 0.9.8n and OpenSSL 0.9.8o: 124 125 o Fix for security issue CVE-2010-0742. 126 o Various DTLS fixes. 127 o Recognise SHA2 certificates if only SSL algorithms added. 128 o Fix for no-rc4 compilation. 129 o Chil ENGINE unload workaround. 130 131 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n: 132 133 o CFB cipher definition fixes. 134 o Fix security issues CVE-2010-0740 and CVE-2010-0433. 135 136 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m: 137 138 o Cipher definition fixes. 139 o Workaround for slow RAND_poll() on some WIN32 versions. 140 o Remove MD2 from algorithm tables. 141 o SPKAC handling fixes. 142 o Support for RFC5746 TLS renegotiation extension. 143 o Compression memory leak fixed. 144 o Compression session resumption fixed. 145 o Ticket and SNI coexistence fixes. 146 o Many fixes to DTLS handling. 147 148 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l: 149 150 o Temporary work around for CVE-2009-3555: disable renegotiation. 151 152 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k: 153 154 o Fix various build issues. 155 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789) 156 157 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j: 158 159 o Fix security issue (CVE-2008-5077) 160 o Merge FIPS 140-2 branch code. 161 162 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h: 163 164 o CryptoAPI ENGINE support. 165 o Various precautionary measures. 166 o Fix for bugs affecting certificate request creation. 167 o Support for local machine keyset attribute in PKCS#12 files. 168 169 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g: 170 171 o Backport of CMS functionality to 0.9.8. 172 o Fixes for bugs introduced with 0.9.8f. 173 174 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f: 175 176 o Add gcc 4.2 support. 177 o Add support for AES and SSE2 assembly lanugauge optimization 178 for VC++ build. 179 o Support for RFC4507bis and server name extensions if explicitly 180 selected at compile time. 181 o DTLS improvements. 182 o RFC4507bis support. 183 o TLS Extensions support. 184 185 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e: 186 187 o Various ciphersuite selection fixes. 188 o RFC3779 support. 189 190 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d: 191 192 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 193 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 194 o Changes to ciphersuite selection algorithm 195 196 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c: 197 198 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 199 o New cipher Camellia 200 201 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b: 202 203 o Cipher string fixes. 204 o Fixes for VC++ 2005. 205 o Updated ECC cipher suite support. 206 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free(). 207 o Zlib compression usage fixes. 208 o Built in dynamic engine compilation support on Win32. 209 o Fixes auto dynamic engine loading in Win32. 210 211 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a: 212 213 o Fix potential SSL 2.0 rollback, CVE-2005-2969 214 o Extended Windows CE support 215 216 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8: 217 218 o Major work on the BIGNUM library for higher efficiency and to 219 make operations more streamlined and less contradictory. This 220 is the result of a major audit of the BIGNUM library. 221 o Addition of BIGNUM functions for fields GF(2^m) and NIST 222 curves, to support the Elliptic Crypto functions. 223 o Major work on Elliptic Crypto; ECDH and ECDSA added, including 224 the use through EVP, X509 and ENGINE. 225 o New ASN.1 mini-compiler that's usable through the OpenSSL 226 configuration file. 227 o Added support for ASN.1 indefinite length constructed encoding. 228 o New PKCS#12 'medium level' API to manipulate PKCS#12 files. 229 o Complete rework of shared library construction and linking 230 programs with shared or static libraries, through a separate 231 Makefile.shared. 232 o Rework of the passing of parameters from one Makefile to another. 233 o Changed ENGINE framework to load dynamic engine modules 234 automatically from specifically given directories. 235 o New structure and ASN.1 functions for CertificatePair. 236 o Changed the ZLIB compression method to be stateful. 237 o Changed the key-generation and primality testing "progress" 238 mechanism to take a structure that contains the ticker 239 function and an argument. 240 o New engine module: GMP (performs private key exponentiation). 241 o New engine module: VIA PadLOck ACE extension in VIA C3 242 Nehemiah processors. 243 o Added support for IPv6 addresses in certificate extensions. 244 See RFC 1884, section 2.2. 245 o Added support for certificate policy mappings, policy 246 constraints and name constraints. 247 o Added support for multi-valued AVAs in the OpenSSL 248 configuration file. 249 o Added support for multiple certificates with the same subject 250 in the 'openssl ca' index file. 251 o Make it possible to create self-signed certificates using 252 'openssl ca -selfsign'. 253 o Make it possible to generate a serial number file with 254 'openssl ca -create_serial'. 255 o New binary search functions with extended functionality. 256 o New BUF functions. 257 o New STORE structure and library to provide an interface to all 258 sorts of data repositories. Supports storage of public and 259 private keys, certificates, CRLs, numbers and arbitrary blobs. 260 This library is unfortunately unfinished and unused withing 261 OpenSSL. 262 o New control functions for the error stack. 263 o Changed the PKCS#7 library to support one-pass S/MIME 264 processing. 265 o Added the possibility to compile without old deprecated 266 functionality with the OPENSSL_NO_DEPRECATED macro or the 267 'no-deprecated' argument to the config and Configure scripts. 268 o Constification of all ASN.1 conversion functions, and other 269 affected functions. 270 o Improved platform support for PowerPC. 271 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512). 272 o New X509_VERIFY_PARAM structure to support parametrisation 273 of X.509 path validation. 274 o Major overhaul of RC4 performance on Intel P4, IA-64 and 275 AMD64. 276 o Changed the Configure script to have some algorithms disabled 277 by default. Those can be explicitely enabled with the new 278 argument form 'enable-xxx'. 279 o Change the default digest in 'openssl' commands from MD5 to 280 SHA-1. 281 o Added support for DTLS. 282 o New BIGNUM blinding. 283 o Added support for the RSA-PSS encryption scheme 284 o Added support for the RSA X.931 padding. 285 o Added support for BSD sockets on NetWare. 286 o Added support for files larger than 2GB. 287 o Added initial support for Win64. 288 o Added alternate pkg-config files. 289 290 Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m: 291 292 o FIPS 1.1.1 module linking. 293 o Various ciphersuite selection fixes. 294 295 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l: 296 297 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 298 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 299 300 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k: 301 302 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 303 304 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j: 305 306 o Visual C++ 2005 fixes. 307 o Update Windows build system for FIPS. 308 309 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i: 310 311 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build. 312 313 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h: 314 315 o Fix SSL 2.0 Rollback, CVE-2005-2969 316 o Allow use of fixed-length exponent on DSA signing 317 o Default fixed-window RSA, DSA, DH private-key operations 318 319 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g: 320 321 o More compilation issues fixed. 322 o Adaptation to more modern Kerberos API. 323 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin. 324 o Enhanced x86_64 assembler BIGNUM module. 325 o More constification. 326 o Added processing of proxy certificates (RFC 3820). 327 328 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f: 329 330 o Several compilation issues fixed. 331 o Many memory allocation failure checks added. 332 o Improved comparison of X509 Name type. 333 o Mandatory basic checks on certificates. 334 o Performance improvements. 335 336 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e: 337 338 o Fix race condition in CRL checking code. 339 o Fixes to PKCS#7 (S/MIME) code. 340 341 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d: 342 343 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 344 o Security: Fix null-pointer assignment in do_change_cipher_spec() 345 o Allow multiple active certificates with same subject in CA index 346 o Multiple X509 verification fixes 347 o Speed up HMAC and other operations 348 349 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c: 350 351 o Security: fix various ASN1 parsing bugs. 352 o New -ignore_err option to OCSP utility. 353 o Various interop and bug fixes in S/MIME code. 354 o SSL/TLS protocol fix for unrequested client certificates. 355 356 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b: 357 358 o Security: counter the Klima-Pokorny-Rosa extension of 359 Bleichbacher's attack 360 o Security: make RSA blinding default. 361 o Configuration: Irix fixes, AIX fixes, better mingw support. 362 o Support for new platforms: linux-ia64-ecc. 363 o Build: shared library support fixes. 364 o ASN.1: treat domainComponent correctly. 365 o Documentation: fixes and additions. 366 367 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a: 368 369 o Security: Important security related bugfixes. 370 o Enhanced compatibility with MIT Kerberos. 371 o Can be built without the ENGINE framework. 372 o IA32 assembler enhancements. 373 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 374 o Configuration: the no-err option now works properly. 375 o SSL/TLS: now handles manual certificate chain building. 376 o SSL/TLS: certain session ID malfunctions corrected. 377 378 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7: 379 380 o New library section OCSP. 381 o Complete rewrite of ASN1 code. 382 o CRL checking in verify code and openssl utility. 383 o Extension copying in 'ca' utility. 384 o Flexible display options in 'ca' utility. 385 o Provisional support for international characters with UTF8. 386 o Support for external crypto devices ('engine') is no longer 387 a separate distribution. 388 o New elliptic curve library section. 389 o New AES (Rijndael) library section. 390 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 391 Linux x86_64, Linux 64-bit on Sparc v9 392 o Extended support for some platforms: VxWorks 393 o Enhanced support for shared libraries. 394 o Now only builds PIC code when shared library support is requested. 395 o Support for pkg-config. 396 o Lots of new manuals. 397 o Makes symbolic links to or copies of manuals to cover all described 398 functions. 399 o Change DES API to clean up the namespace (some applications link also 400 against libdes providing similar functions having the same name). 401 Provide macros for backward compatibility (will be removed in the 402 future). 403 o Unify handling of cryptographic algorithms (software and engine) 404 to be available via EVP routines for asymmetric and symmetric ciphers. 405 o NCONF: new configuration handling routines. 406 o Change API to use more 'const' modifiers to improve error checking 407 and help optimizers. 408 o Finally remove references to RSAref. 409 o Reworked parts of the BIGNUM code. 410 o Support for new engines: Broadcom ubsec, Accelerated Encryption 411 Processing, IBM 4758. 412 o A few new engines added in the demos area. 413 o Extended and corrected OID (object identifier) table. 414 o PRNG: query at more locations for a random device, automatic query for 415 EGD style random sources at several locations. 416 o SSL/TLS: allow optional cipher choice according to server's preference. 417 o SSL/TLS: allow server to explicitly set new session ids. 418 o SSL/TLS: support Kerberos cipher suites (RFC2712). 419 Only supports MIT Kerberos for now. 420 o SSL/TLS: allow more precise control of renegotiations and sessions. 421 o SSL/TLS: add callback to retrieve SSL/TLS messages. 422 o SSL/TLS: support AES cipher suites (RFC3268). 423 424 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k: 425 426 o Security: fix various ASN1 parsing bugs. 427 o SSL/TLS protocol fix for unrequested client certificates. 428 429 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j: 430 431 o Security: counter the Klima-Pokorny-Rosa extension of 432 Bleichbacher's attack 433 o Security: make RSA blinding default. 434 o Build: shared library support fixes. 435 436 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i: 437 438 o Important security related bugfixes. 439 440 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h: 441 442 o New configuration targets for Tandem OSS and A/UX. 443 o New OIDs for Microsoft attributes. 444 o Better handling of SSL session caching. 445 o Better comparison of distinguished names. 446 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 447 o Support assembler code with Borland C. 448 o Fixes for length problems. 449 o Fixes for uninitialised variables. 450 o Fixes for memory leaks, some unusual crashes and some race conditions. 451 o Fixes for smaller building problems. 452 o Updates of manuals, FAQ and other instructive documents. 453 454 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g: 455 456 o Important building fixes on Unix. 457 458 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f: 459 460 o Various important bugfixes. 461 462 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e: 463 464 o Important security related bugfixes. 465 o Various SSL/TLS library bugfixes. 466 467 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d: 468 469 o Various SSL/TLS library bugfixes. 470 o Fix DH parameter generation for 'non-standard' generators. 471 472 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c: 473 474 o Various SSL/TLS library bugfixes. 475 o BIGNUM library fixes. 476 o RSA OAEP and random number generation fixes. 477 o Object identifiers corrected and added. 478 o Add assembler BN routines for IA64. 479 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 480 MIPS Linux; shared library support for Irix, HP-UX. 481 o Add crypto accelerator support for AEP, Baltimore SureWare, 482 Broadcom and Cryptographic Appliance's keyserver 483 [in 0.9.6c-engine release]. 484 485 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b: 486 487 o Security fix: PRNG improvements. 488 o Security fix: RSA OAEP check. 489 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 490 attack. 491 o MIPS bug fix in BIGNUM. 492 o Bug fix in "openssl enc". 493 o Bug fix in X.509 printing routine. 494 o Bug fix in DSA verification routine and DSA S/MIME verification. 495 o Bug fix to make PRNG thread-safe. 496 o Bug fix in RAND_file_name(). 497 o Bug fix in compatibility mode trust settings. 498 o Bug fix in blowfish EVP. 499 o Increase default size for BIO buffering filter. 500 o Compatibility fixes in some scripts. 501 502 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a: 503 504 o Security fix: change behavior of OpenSSL to avoid using 505 environment variables when running as root. 506 o Security fix: check the result of RSA-CRT to reduce the 507 possibility of deducing the private key from an incorrectly 508 calculated signature. 509 o Security fix: prevent Bleichenbacher's DSA attack. 510 o Security fix: Zero the premaster secret after deriving the 511 master secret in DH ciphersuites. 512 o Reimplement SSL_peek(), which had various problems. 513 o Compatibility fix: the function des_encrypt() renamed to 514 des_encrypt1() to avoid clashes with some Unixen libc. 515 o Bug fixes for Win32, HP/UX and Irix. 516 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 517 memory checking routines. 518 o Bug fixes for RSA operations in threaded environments. 519 o Bug fixes in misc. openssl applications. 520 o Remove a few potential memory leaks. 521 o Add tighter checks of BIGNUM routines. 522 o Shared library support has been reworked for generality. 523 o More documentation. 524 o New function BN_rand_range(). 525 o Add "-rand" option to openssl s_client and s_server. 526 527 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6: 528 529 o Some documentation for BIO and SSL libraries. 530 o Enhanced chain verification using key identifiers. 531 o New sign and verify options to 'dgst' application. 532 o Support for DER and PEM encoded messages in 'smime' application. 533 o New 'rsautl' application, low level RSA utility. 534 o MD4 now included. 535 o Bugfix for SSL rollback padding check. 536 o Support for external crypto devices [1]. 537 o Enhanced EVP interface. 538 539 [1] The support for external crypto devices is currently a separate 540 distribution. See the file README.ENGINE. 541 542 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a: 543 544 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 545 o Shared library support for HPUX and Solaris-gcc 546 o Support of Linux/IA64 547 o Assembler support for Mingw32 548 o New 'rand' application 549 o New way to check for existence of algorithms from scripts 550 551 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5: 552 553 o S/MIME support in new 'smime' command 554 o Documentation for the OpenSSL command line application 555 o Automation of 'req' application 556 o Fixes to make s_client, s_server work under Windows 557 o Support for multiple fieldnames in SPKACs 558 o New SPKAC command line utilty and associated library functions 559 o Options to allow passwords to be obtained from various sources 560 o New public key PEM format and options to handle it 561 o Many other fixes and enhancements to command line utilities 562 o Usable certificate chain verification 563 o Certificate purpose checking 564 o Certificate trust settings 565 o Support of authority information access extension 566 o Extensions in certificate requests 567 o Simplified X509 name and attribute routines 568 o Initial (incomplete) support for international character sets 569 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 570 o Read only memory BIOs and simplified creation function 571 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 572 record; allow fragmentation and interleaving of handshake and other 573 data 574 o TLS/SSL code now "tolerates" MS SGC 575 o Work around for Netscape client certificate hang bug 576 o RSA_NULL option that removes RSA patent code but keeps other 577 RSA functionality 578 o Memory leak detection now allows applications to add extra information 579 via a per-thread stack 580 o PRNG robustness improved 581 o EGD support 582 o BIGNUM library bug fixes 583 o Faster DSA parameter generation 584 o Enhanced support for Alpha Linux 585 o Experimental MacOS support 586 587 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4: 588 589 o Transparent support for PKCS#8 format private keys: these are used 590 by several software packages and are more secure than the standard 591 form 592 o PKCS#5 v2.0 implementation 593 o Password callbacks have a new void * argument for application data 594 o Avoid various memory leaks 595 o New pipe-like BIO that allows using the SSL library when actual I/O 596 must be handled by the application (BIO pair) 597 598 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3: 599 o Lots of enhancements and cleanups to the Configuration mechanism 600 o RSA OEAP related fixes 601 o Added `openssl ca -revoke' option for revoking a certificate 602 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 603 o Source tree cleanups: removed lots of obsolete files 604 o Thawte SXNet, certificate policies and CRL distribution points 605 extension support 606 o Preliminary (experimental) S/MIME support 607 o Support for ASN.1 UTF8String and VisibleString 608 o Full integration of PKCS#12 code 609 o Sparc assembler bignum implementation, optimized hash functions 610 o Option to disable selected ciphers 611 612 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b: 613 o Fixed a security hole related to session resumption 614 o Fixed RSA encryption routines for the p < q case 615 o "ALL" in cipher lists now means "everything except NULL ciphers" 616 o Support for Triple-DES CBCM cipher 617 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 618 o First support for new TLSv1 ciphers 619 o Added a few new BIOs (syslog BIO, reliable BIO) 620 o Extended support for DSA certificate/keys. 621 o Extended support for Certificate Signing Requests (CSR) 622 o Initial support for X.509v3 extensions 623 o Extended support for compression inside the SSL record layer 624 o Overhauled Win32 builds 625 o Cleanups and fixes to the Big Number (BN) library 626 o Support for ASN.1 GeneralizedTime 627 o Splitted ASN.1 SETs from SEQUENCEs 628 o ASN1 and PEM support for Netscape Certificate Sequences 629 o Overhauled Perl interface 630 o Lots of source tree cleanups. 631 o Lots of memory leak fixes. 632 o Lots of bug fixes. 633 634 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c: 635 o Integration of the popular NO_RSA/NO_DSA patches 636 o Initial support for compression inside the SSL record layer 637 o Added BIO proxy and filtering functionality 638 o Extended Big Number (BN) library 639 o Added RIPE MD160 message digest 640 o Addeed support for RC2/64bit cipher 641 o Extended ASN.1 parser routines 642 o Adjustations of the source tree for CVS 643 o Support for various new platforms 644 645