NEWS revision 216166
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 0.9.8p and OpenSSL 0.9.8q: 9 10 o Fix for security issue CVE-2010-4180 11 o Fix for CVE-2010-4252 12 13 Major changes between OpenSSL 0.9.8o and OpenSSL 0.9.8p: 14 15 o Fix for security issue CVE-2010-3864. 16 17 Major changes between OpenSSL 0.9.8n and OpenSSL 0.9.8o: 18 19 o Fix for security issue CVE-2010-0742. 20 o Various DTLS fixes. 21 o Recognise SHA2 certificates if only SSL algorithms added. 22 o Fix for no-rc4 compilation. 23 o Chil ENGINE unload workaround. 24 25 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n: 26 27 o CFB cipher definition fixes. 28 o Fix security issues CVE-2010-0740 and CVE-2010-0433. 29 30 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m: 31 32 o Cipher definition fixes. 33 o Workaround for slow RAND_poll() on some WIN32 versions. 34 o Remove MD2 from algorithm tables. 35 o SPKAC handling fixes. 36 o Support for RFC5746 TLS renegotiation extension. 37 o Compression memory leak fixed. 38 o Compression session resumption fixed. 39 o Ticket and SNI coexistence fixes. 40 o Many fixes to DTLS handling. 41 42 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l: 43 44 o Temporary work around for CVE-2009-3555: disable renegotiation. 45 46 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k: 47 48 o Fix various build issues. 49 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789) 50 51 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j: 52 53 o Fix security issue (CVE-2008-5077) 54 o Merge FIPS 140-2 branch code. 55 56 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h: 57 58 o CryptoAPI ENGINE support. 59 o Various precautionary measures. 60 o Fix for bugs affecting certificate request creation. 61 o Support for local machine keyset attribute in PKCS#12 files. 62 63 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g: 64 65 o Backport of CMS functionality to 0.9.8. 66 o Fixes for bugs introduced with 0.9.8f. 67 68 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f: 69 70 o Add gcc 4.2 support. 71 o Add support for AES and SSE2 assembly lanugauge optimization 72 for VC++ build. 73 o Support for RFC4507bis and server name extensions if explicitly 74 selected at compile time. 75 o DTLS improvements. 76 o RFC4507bis support. 77 o TLS Extensions support. 78 79 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e: 80 81 o Various ciphersuite selection fixes. 82 o RFC3779 support. 83 84 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d: 85 86 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 87 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 88 o Changes to ciphersuite selection algorithm 89 90 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c: 91 92 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 93 o New cipher Camellia 94 95 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b: 96 97 o Cipher string fixes. 98 o Fixes for VC++ 2005. 99 o Updated ECC cipher suite support. 100 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free(). 101 o Zlib compression usage fixes. 102 o Built in dynamic engine compilation support on Win32. 103 o Fixes auto dynamic engine loading in Win32. 104 105 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a: 106 107 o Fix potential SSL 2.0 rollback, CVE-2005-2969 108 o Extended Windows CE support 109 110 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8: 111 112 o Major work on the BIGNUM library for higher efficiency and to 113 make operations more streamlined and less contradictory. This 114 is the result of a major audit of the BIGNUM library. 115 o Addition of BIGNUM functions for fields GF(2^m) and NIST 116 curves, to support the Elliptic Crypto functions. 117 o Major work on Elliptic Crypto; ECDH and ECDSA added, including 118 the use through EVP, X509 and ENGINE. 119 o New ASN.1 mini-compiler that's usable through the OpenSSL 120 configuration file. 121 o Added support for ASN.1 indefinite length constructed encoding. 122 o New PKCS#12 'medium level' API to manipulate PKCS#12 files. 123 o Complete rework of shared library construction and linking 124 programs with shared or static libraries, through a separate 125 Makefile.shared. 126 o Rework of the passing of parameters from one Makefile to another. 127 o Changed ENGINE framework to load dynamic engine modules 128 automatically from specifically given directories. 129 o New structure and ASN.1 functions for CertificatePair. 130 o Changed the ZLIB compression method to be stateful. 131 o Changed the key-generation and primality testing "progress" 132 mechanism to take a structure that contains the ticker 133 function and an argument. 134 o New engine module: GMP (performs private key exponentiation). 135 o New engine module: VIA PadLOck ACE extension in VIA C3 136 Nehemiah processors. 137 o Added support for IPv6 addresses in certificate extensions. 138 See RFC 1884, section 2.2. 139 o Added support for certificate policy mappings, policy 140 constraints and name constraints. 141 o Added support for multi-valued AVAs in the OpenSSL 142 configuration file. 143 o Added support for multiple certificates with the same subject 144 in the 'openssl ca' index file. 145 o Make it possible to create self-signed certificates using 146 'openssl ca -selfsign'. 147 o Make it possible to generate a serial number file with 148 'openssl ca -create_serial'. 149 o New binary search functions with extended functionality. 150 o New BUF functions. 151 o New STORE structure and library to provide an interface to all 152 sorts of data repositories. Supports storage of public and 153 private keys, certificates, CRLs, numbers and arbitrary blobs. 154 This library is unfortunately unfinished and unused withing 155 OpenSSL. 156 o New control functions for the error stack. 157 o Changed the PKCS#7 library to support one-pass S/MIME 158 processing. 159 o Added the possibility to compile without old deprecated 160 functionality with the OPENSSL_NO_DEPRECATED macro or the 161 'no-deprecated' argument to the config and Configure scripts. 162 o Constification of all ASN.1 conversion functions, and other 163 affected functions. 164 o Improved platform support for PowerPC. 165 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512). 166 o New X509_VERIFY_PARAM structure to support parametrisation 167 of X.509 path validation. 168 o Major overhaul of RC4 performance on Intel P4, IA-64 and 169 AMD64. 170 o Changed the Configure script to have some algorithms disabled 171 by default. Those can be explicitely enabled with the new 172 argument form 'enable-xxx'. 173 o Change the default digest in 'openssl' commands from MD5 to 174 SHA-1. 175 o Added support for DTLS. 176 o New BIGNUM blinding. 177 o Added support for the RSA-PSS encryption scheme 178 o Added support for the RSA X.931 padding. 179 o Added support for BSD sockets on NetWare. 180 o Added support for files larger than 2GB. 181 o Added initial support for Win64. 182 o Added alternate pkg-config files. 183 184 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l: 185 186 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 187 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 188 189 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k: 190 191 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 192 193 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j: 194 195 o Visual C++ 2005 fixes. 196 o Update Windows build system for FIPS. 197 198 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i: 199 200 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build. 201 202 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h: 203 204 o Fix SSL 2.0 Rollback, CVE-2005-2969 205 o Allow use of fixed-length exponent on DSA signing 206 o Default fixed-window RSA, DSA, DH private-key operations 207 208 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g: 209 210 o More compilation issues fixed. 211 o Adaptation to more modern Kerberos API. 212 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin. 213 o Enhanced x86_64 assembler BIGNUM module. 214 o More constification. 215 o Added processing of proxy certificates (RFC 3820). 216 217 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f: 218 219 o Several compilation issues fixed. 220 o Many memory allocation failure checks added. 221 o Improved comparison of X509 Name type. 222 o Mandatory basic checks on certificates. 223 o Performance improvements. 224 225 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e: 226 227 o Fix race condition in CRL checking code. 228 o Fixes to PKCS#7 (S/MIME) code. 229 230 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d: 231 232 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 233 o Security: Fix null-pointer assignment in do_change_cipher_spec() 234 o Allow multiple active certificates with same subject in CA index 235 o Multiple X509 verification fixes 236 o Speed up HMAC and other operations 237 238 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c: 239 240 o Security: fix various ASN1 parsing bugs. 241 o New -ignore_err option to OCSP utility. 242 o Various interop and bug fixes in S/MIME code. 243 o SSL/TLS protocol fix for unrequested client certificates. 244 245 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b: 246 247 o Security: counter the Klima-Pokorny-Rosa extension of 248 Bleichbacher's attack 249 o Security: make RSA blinding default. 250 o Configuration: Irix fixes, AIX fixes, better mingw support. 251 o Support for new platforms: linux-ia64-ecc. 252 o Build: shared library support fixes. 253 o ASN.1: treat domainComponent correctly. 254 o Documentation: fixes and additions. 255 256 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a: 257 258 o Security: Important security related bugfixes. 259 o Enhanced compatibility with MIT Kerberos. 260 o Can be built without the ENGINE framework. 261 o IA32 assembler enhancements. 262 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 263 o Configuration: the no-err option now works properly. 264 o SSL/TLS: now handles manual certificate chain building. 265 o SSL/TLS: certain session ID malfunctions corrected. 266 267 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7: 268 269 o New library section OCSP. 270 o Complete rewrite of ASN1 code. 271 o CRL checking in verify code and openssl utility. 272 o Extension copying in 'ca' utility. 273 o Flexible display options in 'ca' utility. 274 o Provisional support for international characters with UTF8. 275 o Support for external crypto devices ('engine') is no longer 276 a separate distribution. 277 o New elliptic curve library section. 278 o New AES (Rijndael) library section. 279 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 280 Linux x86_64, Linux 64-bit on Sparc v9 281 o Extended support for some platforms: VxWorks 282 o Enhanced support for shared libraries. 283 o Now only builds PIC code when shared library support is requested. 284 o Support for pkg-config. 285 o Lots of new manuals. 286 o Makes symbolic links to or copies of manuals to cover all described 287 functions. 288 o Change DES API to clean up the namespace (some applications link also 289 against libdes providing similar functions having the same name). 290 Provide macros for backward compatibility (will be removed in the 291 future). 292 o Unify handling of cryptographic algorithms (software and engine) 293 to be available via EVP routines for asymmetric and symmetric ciphers. 294 o NCONF: new configuration handling routines. 295 o Change API to use more 'const' modifiers to improve error checking 296 and help optimizers. 297 o Finally remove references to RSAref. 298 o Reworked parts of the BIGNUM code. 299 o Support for new engines: Broadcom ubsec, Accelerated Encryption 300 Processing, IBM 4758. 301 o A few new engines added in the demos area. 302 o Extended and corrected OID (object identifier) table. 303 o PRNG: query at more locations for a random device, automatic query for 304 EGD style random sources at several locations. 305 o SSL/TLS: allow optional cipher choice according to server's preference. 306 o SSL/TLS: allow server to explicitly set new session ids. 307 o SSL/TLS: support Kerberos cipher suites (RFC2712). 308 Only supports MIT Kerberos for now. 309 o SSL/TLS: allow more precise control of renegotiations and sessions. 310 o SSL/TLS: add callback to retrieve SSL/TLS messages. 311 o SSL/TLS: support AES cipher suites (RFC3268). 312 313 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k: 314 315 o Security: fix various ASN1 parsing bugs. 316 o SSL/TLS protocol fix for unrequested client certificates. 317 318 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j: 319 320 o Security: counter the Klima-Pokorny-Rosa extension of 321 Bleichbacher's attack 322 o Security: make RSA blinding default. 323 o Build: shared library support fixes. 324 325 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i: 326 327 o Important security related bugfixes. 328 329 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h: 330 331 o New configuration targets for Tandem OSS and A/UX. 332 o New OIDs for Microsoft attributes. 333 o Better handling of SSL session caching. 334 o Better comparison of distinguished names. 335 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 336 o Support assembler code with Borland C. 337 o Fixes for length problems. 338 o Fixes for uninitialised variables. 339 o Fixes for memory leaks, some unusual crashes and some race conditions. 340 o Fixes for smaller building problems. 341 o Updates of manuals, FAQ and other instructive documents. 342 343 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g: 344 345 o Important building fixes on Unix. 346 347 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f: 348 349 o Various important bugfixes. 350 351 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e: 352 353 o Important security related bugfixes. 354 o Various SSL/TLS library bugfixes. 355 356 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d: 357 358 o Various SSL/TLS library bugfixes. 359 o Fix DH parameter generation for 'non-standard' generators. 360 361 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c: 362 363 o Various SSL/TLS library bugfixes. 364 o BIGNUM library fixes. 365 o RSA OAEP and random number generation fixes. 366 o Object identifiers corrected and added. 367 o Add assembler BN routines for IA64. 368 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 369 MIPS Linux; shared library support for Irix, HP-UX. 370 o Add crypto accelerator support for AEP, Baltimore SureWare, 371 Broadcom and Cryptographic Appliance's keyserver 372 [in 0.9.6c-engine release]. 373 374 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b: 375 376 o Security fix: PRNG improvements. 377 o Security fix: RSA OAEP check. 378 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 379 attack. 380 o MIPS bug fix in BIGNUM. 381 o Bug fix in "openssl enc". 382 o Bug fix in X.509 printing routine. 383 o Bug fix in DSA verification routine and DSA S/MIME verification. 384 o Bug fix to make PRNG thread-safe. 385 o Bug fix in RAND_file_name(). 386 o Bug fix in compatibility mode trust settings. 387 o Bug fix in blowfish EVP. 388 o Increase default size for BIO buffering filter. 389 o Compatibility fixes in some scripts. 390 391 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a: 392 393 o Security fix: change behavior of OpenSSL to avoid using 394 environment variables when running as root. 395 o Security fix: check the result of RSA-CRT to reduce the 396 possibility of deducing the private key from an incorrectly 397 calculated signature. 398 o Security fix: prevent Bleichenbacher's DSA attack. 399 o Security fix: Zero the premaster secret after deriving the 400 master secret in DH ciphersuites. 401 o Reimplement SSL_peek(), which had various problems. 402 o Compatibility fix: the function des_encrypt() renamed to 403 des_encrypt1() to avoid clashes with some Unixen libc. 404 o Bug fixes for Win32, HP/UX and Irix. 405 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 406 memory checking routines. 407 o Bug fixes for RSA operations in threaded environments. 408 o Bug fixes in misc. openssl applications. 409 o Remove a few potential memory leaks. 410 o Add tighter checks of BIGNUM routines. 411 o Shared library support has been reworked for generality. 412 o More documentation. 413 o New function BN_rand_range(). 414 o Add "-rand" option to openssl s_client and s_server. 415 416 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6: 417 418 o Some documentation for BIO and SSL libraries. 419 o Enhanced chain verification using key identifiers. 420 o New sign and verify options to 'dgst' application. 421 o Support for DER and PEM encoded messages in 'smime' application. 422 o New 'rsautl' application, low level RSA utility. 423 o MD4 now included. 424 o Bugfix for SSL rollback padding check. 425 o Support for external crypto devices [1]. 426 o Enhanced EVP interface. 427 428 [1] The support for external crypto devices is currently a separate 429 distribution. See the file README.ENGINE. 430 431 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a: 432 433 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 434 o Shared library support for HPUX and Solaris-gcc 435 o Support of Linux/IA64 436 o Assembler support for Mingw32 437 o New 'rand' application 438 o New way to check for existence of algorithms from scripts 439 440 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5: 441 442 o S/MIME support in new 'smime' command 443 o Documentation for the OpenSSL command line application 444 o Automation of 'req' application 445 o Fixes to make s_client, s_server work under Windows 446 o Support for multiple fieldnames in SPKACs 447 o New SPKAC command line utilty and associated library functions 448 o Options to allow passwords to be obtained from various sources 449 o New public key PEM format and options to handle it 450 o Many other fixes and enhancements to command line utilities 451 o Usable certificate chain verification 452 o Certificate purpose checking 453 o Certificate trust settings 454 o Support of authority information access extension 455 o Extensions in certificate requests 456 o Simplified X509 name and attribute routines 457 o Initial (incomplete) support for international character sets 458 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 459 o Read only memory BIOs and simplified creation function 460 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 461 record; allow fragmentation and interleaving of handshake and other 462 data 463 o TLS/SSL code now "tolerates" MS SGC 464 o Work around for Netscape client certificate hang bug 465 o RSA_NULL option that removes RSA patent code but keeps other 466 RSA functionality 467 o Memory leak detection now allows applications to add extra information 468 via a per-thread stack 469 o PRNG robustness improved 470 o EGD support 471 o BIGNUM library bug fixes 472 o Faster DSA parameter generation 473 o Enhanced support for Alpha Linux 474 o Experimental MacOS support 475 476 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4: 477 478 o Transparent support for PKCS#8 format private keys: these are used 479 by several software packages and are more secure than the standard 480 form 481 o PKCS#5 v2.0 implementation 482 o Password callbacks have a new void * argument for application data 483 o Avoid various memory leaks 484 o New pipe-like BIO that allows using the SSL library when actual I/O 485 must be handled by the application (BIO pair) 486 487 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3: 488 o Lots of enhancements and cleanups to the Configuration mechanism 489 o RSA OEAP related fixes 490 o Added `openssl ca -revoke' option for revoking a certificate 491 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 492 o Source tree cleanups: removed lots of obsolete files 493 o Thawte SXNet, certificate policies and CRL distribution points 494 extension support 495 o Preliminary (experimental) S/MIME support 496 o Support for ASN.1 UTF8String and VisibleString 497 o Full integration of PKCS#12 code 498 o Sparc assembler bignum implementation, optimized hash functions 499 o Option to disable selected ciphers 500 501 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b: 502 o Fixed a security hole related to session resumption 503 o Fixed RSA encryption routines for the p < q case 504 o "ALL" in cipher lists now means "everything except NULL ciphers" 505 o Support for Triple-DES CBCM cipher 506 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 507 o First support for new TLSv1 ciphers 508 o Added a few new BIOs (syslog BIO, reliable BIO) 509 o Extended support for DSA certificate/keys. 510 o Extended support for Certificate Signing Requests (CSR) 511 o Initial support for X.509v3 extensions 512 o Extended support for compression inside the SSL record layer 513 o Overhauled Win32 builds 514 o Cleanups and fixes to the Big Number (BN) library 515 o Support for ASN.1 GeneralizedTime 516 o Splitted ASN.1 SETs from SEQUENCEs 517 o ASN1 and PEM support for Netscape Certificate Sequences 518 o Overhauled Perl interface 519 o Lots of source tree cleanups. 520 o Lots of memory leak fixes. 521 o Lots of bug fixes. 522 523 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c: 524 o Integration of the popular NO_RSA/NO_DSA patches 525 o Initial support for compression inside the SSL record layer 526 o Added BIO proxy and filtering functionality 527 o Extended Big Number (BN) library 528 o Added RIPE MD160 message digest 529 o Addeed support for RC2/64bit cipher 530 o Extended ASN.1 parser routines 531 o Adjustations of the source tree for CVS 532 o Support for various new platforms 533 534