NEWS revision 215697
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 0.9.8o and OpenSSL 0.9.8p: 9 10 o Fix for security issue CVE-2010-3864. 11 12 Major changes between OpenSSL 0.9.8n and OpenSSL 0.9.8o: 13 14 o Fix for security issue CVE-2010-0742. 15 o Various DTLS fixes. 16 o Recognise SHA2 certificates if only SSL algorithms added. 17 o Fix for no-rc4 compilation. 18 o Chil ENGINE unload workaround. 19 20 Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n: 21 22 o CFB cipher definition fixes. 23 o Fix security issues CVE-2010-0740 and CVE-2010-0433. 24 25 Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m: 26 27 o Cipher definition fixes. 28 o Workaround for slow RAND_poll() on some WIN32 versions. 29 o Remove MD2 from algorithm tables. 30 o SPKAC handling fixes. 31 o Support for RFC5746 TLS renegotiation extension. 32 o Compression memory leak fixed. 33 o Compression session resumption fixed. 34 o Ticket and SNI coexistence fixes. 35 o Many fixes to DTLS handling. 36 37 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l: 38 39 o Temporary work around for CVE-2009-3555: disable renegotiation. 40 41 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k: 42 43 o Fix various build issues. 44 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789) 45 46 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j: 47 48 o Fix security issue (CVE-2008-5077) 49 o Merge FIPS 140-2 branch code. 50 51 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h: 52 53 o CryptoAPI ENGINE support. 54 o Various precautionary measures. 55 o Fix for bugs affecting certificate request creation. 56 o Support for local machine keyset attribute in PKCS#12 files. 57 58 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g: 59 60 o Backport of CMS functionality to 0.9.8. 61 o Fixes for bugs introduced with 0.9.8f. 62 63 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f: 64 65 o Add gcc 4.2 support. 66 o Add support for AES and SSE2 assembly lanugauge optimization 67 for VC++ build. 68 o Support for RFC4507bis and server name extensions if explicitly 69 selected at compile time. 70 o DTLS improvements. 71 o RFC4507bis support. 72 o TLS Extensions support. 73 74 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e: 75 76 o Various ciphersuite selection fixes. 77 o RFC3779 support. 78 79 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d: 80 81 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 82 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 83 o Changes to ciphersuite selection algorithm 84 85 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c: 86 87 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 88 o New cipher Camellia 89 90 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b: 91 92 o Cipher string fixes. 93 o Fixes for VC++ 2005. 94 o Updated ECC cipher suite support. 95 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free(). 96 o Zlib compression usage fixes. 97 o Built in dynamic engine compilation support on Win32. 98 o Fixes auto dynamic engine loading in Win32. 99 100 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a: 101 102 o Fix potential SSL 2.0 rollback, CVE-2005-2969 103 o Extended Windows CE support 104 105 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8: 106 107 o Major work on the BIGNUM library for higher efficiency and to 108 make operations more streamlined and less contradictory. This 109 is the result of a major audit of the BIGNUM library. 110 o Addition of BIGNUM functions for fields GF(2^m) and NIST 111 curves, to support the Elliptic Crypto functions. 112 o Major work on Elliptic Crypto; ECDH and ECDSA added, including 113 the use through EVP, X509 and ENGINE. 114 o New ASN.1 mini-compiler that's usable through the OpenSSL 115 configuration file. 116 o Added support for ASN.1 indefinite length constructed encoding. 117 o New PKCS#12 'medium level' API to manipulate PKCS#12 files. 118 o Complete rework of shared library construction and linking 119 programs with shared or static libraries, through a separate 120 Makefile.shared. 121 o Rework of the passing of parameters from one Makefile to another. 122 o Changed ENGINE framework to load dynamic engine modules 123 automatically from specifically given directories. 124 o New structure and ASN.1 functions for CertificatePair. 125 o Changed the ZLIB compression method to be stateful. 126 o Changed the key-generation and primality testing "progress" 127 mechanism to take a structure that contains the ticker 128 function and an argument. 129 o New engine module: GMP (performs private key exponentiation). 130 o New engine module: VIA PadLOck ACE extension in VIA C3 131 Nehemiah processors. 132 o Added support for IPv6 addresses in certificate extensions. 133 See RFC 1884, section 2.2. 134 o Added support for certificate policy mappings, policy 135 constraints and name constraints. 136 o Added support for multi-valued AVAs in the OpenSSL 137 configuration file. 138 o Added support for multiple certificates with the same subject 139 in the 'openssl ca' index file. 140 o Make it possible to create self-signed certificates using 141 'openssl ca -selfsign'. 142 o Make it possible to generate a serial number file with 143 'openssl ca -create_serial'. 144 o New binary search functions with extended functionality. 145 o New BUF functions. 146 o New STORE structure and library to provide an interface to all 147 sorts of data repositories. Supports storage of public and 148 private keys, certificates, CRLs, numbers and arbitrary blobs. 149 This library is unfortunately unfinished and unused withing 150 OpenSSL. 151 o New control functions for the error stack. 152 o Changed the PKCS#7 library to support one-pass S/MIME 153 processing. 154 o Added the possibility to compile without old deprecated 155 functionality with the OPENSSL_NO_DEPRECATED macro or the 156 'no-deprecated' argument to the config and Configure scripts. 157 o Constification of all ASN.1 conversion functions, and other 158 affected functions. 159 o Improved platform support for PowerPC. 160 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512). 161 o New X509_VERIFY_PARAM structure to support parametrisation 162 of X.509 path validation. 163 o Major overhaul of RC4 performance on Intel P4, IA-64 and 164 AMD64. 165 o Changed the Configure script to have some algorithms disabled 166 by default. Those can be explicitely enabled with the new 167 argument form 'enable-xxx'. 168 o Change the default digest in 'openssl' commands from MD5 to 169 SHA-1. 170 o Added support for DTLS. 171 o New BIGNUM blinding. 172 o Added support for the RSA-PSS encryption scheme 173 o Added support for the RSA X.931 padding. 174 o Added support for BSD sockets on NetWare. 175 o Added support for files larger than 2GB. 176 o Added initial support for Win64. 177 o Added alternate pkg-config files. 178 179 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l: 180 181 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 182 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 183 184 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k: 185 186 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 187 188 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j: 189 190 o Visual C++ 2005 fixes. 191 o Update Windows build system for FIPS. 192 193 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i: 194 195 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build. 196 197 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h: 198 199 o Fix SSL 2.0 Rollback, CVE-2005-2969 200 o Allow use of fixed-length exponent on DSA signing 201 o Default fixed-window RSA, DSA, DH private-key operations 202 203 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g: 204 205 o More compilation issues fixed. 206 o Adaptation to more modern Kerberos API. 207 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin. 208 o Enhanced x86_64 assembler BIGNUM module. 209 o More constification. 210 o Added processing of proxy certificates (RFC 3820). 211 212 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f: 213 214 o Several compilation issues fixed. 215 o Many memory allocation failure checks added. 216 o Improved comparison of X509 Name type. 217 o Mandatory basic checks on certificates. 218 o Performance improvements. 219 220 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e: 221 222 o Fix race condition in CRL checking code. 223 o Fixes to PKCS#7 (S/MIME) code. 224 225 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d: 226 227 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 228 o Security: Fix null-pointer assignment in do_change_cipher_spec() 229 o Allow multiple active certificates with same subject in CA index 230 o Multiple X509 verification fixes 231 o Speed up HMAC and other operations 232 233 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c: 234 235 o Security: fix various ASN1 parsing bugs. 236 o New -ignore_err option to OCSP utility. 237 o Various interop and bug fixes in S/MIME code. 238 o SSL/TLS protocol fix for unrequested client certificates. 239 240 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b: 241 242 o Security: counter the Klima-Pokorny-Rosa extension of 243 Bleichbacher's attack 244 o Security: make RSA blinding default. 245 o Configuration: Irix fixes, AIX fixes, better mingw support. 246 o Support for new platforms: linux-ia64-ecc. 247 o Build: shared library support fixes. 248 o ASN.1: treat domainComponent correctly. 249 o Documentation: fixes and additions. 250 251 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a: 252 253 o Security: Important security related bugfixes. 254 o Enhanced compatibility with MIT Kerberos. 255 o Can be built without the ENGINE framework. 256 o IA32 assembler enhancements. 257 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 258 o Configuration: the no-err option now works properly. 259 o SSL/TLS: now handles manual certificate chain building. 260 o SSL/TLS: certain session ID malfunctions corrected. 261 262 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7: 263 264 o New library section OCSP. 265 o Complete rewrite of ASN1 code. 266 o CRL checking in verify code and openssl utility. 267 o Extension copying in 'ca' utility. 268 o Flexible display options in 'ca' utility. 269 o Provisional support for international characters with UTF8. 270 o Support for external crypto devices ('engine') is no longer 271 a separate distribution. 272 o New elliptic curve library section. 273 o New AES (Rijndael) library section. 274 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 275 Linux x86_64, Linux 64-bit on Sparc v9 276 o Extended support for some platforms: VxWorks 277 o Enhanced support for shared libraries. 278 o Now only builds PIC code when shared library support is requested. 279 o Support for pkg-config. 280 o Lots of new manuals. 281 o Makes symbolic links to or copies of manuals to cover all described 282 functions. 283 o Change DES API to clean up the namespace (some applications link also 284 against libdes providing similar functions having the same name). 285 Provide macros for backward compatibility (will be removed in the 286 future). 287 o Unify handling of cryptographic algorithms (software and engine) 288 to be available via EVP routines for asymmetric and symmetric ciphers. 289 o NCONF: new configuration handling routines. 290 o Change API to use more 'const' modifiers to improve error checking 291 and help optimizers. 292 o Finally remove references to RSAref. 293 o Reworked parts of the BIGNUM code. 294 o Support for new engines: Broadcom ubsec, Accelerated Encryption 295 Processing, IBM 4758. 296 o A few new engines added in the demos area. 297 o Extended and corrected OID (object identifier) table. 298 o PRNG: query at more locations for a random device, automatic query for 299 EGD style random sources at several locations. 300 o SSL/TLS: allow optional cipher choice according to server's preference. 301 o SSL/TLS: allow server to explicitly set new session ids. 302 o SSL/TLS: support Kerberos cipher suites (RFC2712). 303 Only supports MIT Kerberos for now. 304 o SSL/TLS: allow more precise control of renegotiations and sessions. 305 o SSL/TLS: add callback to retrieve SSL/TLS messages. 306 o SSL/TLS: support AES cipher suites (RFC3268). 307 308 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k: 309 310 o Security: fix various ASN1 parsing bugs. 311 o SSL/TLS protocol fix for unrequested client certificates. 312 313 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j: 314 315 o Security: counter the Klima-Pokorny-Rosa extension of 316 Bleichbacher's attack 317 o Security: make RSA blinding default. 318 o Build: shared library support fixes. 319 320 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i: 321 322 o Important security related bugfixes. 323 324 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h: 325 326 o New configuration targets for Tandem OSS and A/UX. 327 o New OIDs for Microsoft attributes. 328 o Better handling of SSL session caching. 329 o Better comparison of distinguished names. 330 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 331 o Support assembler code with Borland C. 332 o Fixes for length problems. 333 o Fixes for uninitialised variables. 334 o Fixes for memory leaks, some unusual crashes and some race conditions. 335 o Fixes for smaller building problems. 336 o Updates of manuals, FAQ and other instructive documents. 337 338 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g: 339 340 o Important building fixes on Unix. 341 342 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f: 343 344 o Various important bugfixes. 345 346 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e: 347 348 o Important security related bugfixes. 349 o Various SSL/TLS library bugfixes. 350 351 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d: 352 353 o Various SSL/TLS library bugfixes. 354 o Fix DH parameter generation for 'non-standard' generators. 355 356 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c: 357 358 o Various SSL/TLS library bugfixes. 359 o BIGNUM library fixes. 360 o RSA OAEP and random number generation fixes. 361 o Object identifiers corrected and added. 362 o Add assembler BN routines for IA64. 363 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 364 MIPS Linux; shared library support for Irix, HP-UX. 365 o Add crypto accelerator support for AEP, Baltimore SureWare, 366 Broadcom and Cryptographic Appliance's keyserver 367 [in 0.9.6c-engine release]. 368 369 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b: 370 371 o Security fix: PRNG improvements. 372 o Security fix: RSA OAEP check. 373 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 374 attack. 375 o MIPS bug fix in BIGNUM. 376 o Bug fix in "openssl enc". 377 o Bug fix in X.509 printing routine. 378 o Bug fix in DSA verification routine and DSA S/MIME verification. 379 o Bug fix to make PRNG thread-safe. 380 o Bug fix in RAND_file_name(). 381 o Bug fix in compatibility mode trust settings. 382 o Bug fix in blowfish EVP. 383 o Increase default size for BIO buffering filter. 384 o Compatibility fixes in some scripts. 385 386 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a: 387 388 o Security fix: change behavior of OpenSSL to avoid using 389 environment variables when running as root. 390 o Security fix: check the result of RSA-CRT to reduce the 391 possibility of deducing the private key from an incorrectly 392 calculated signature. 393 o Security fix: prevent Bleichenbacher's DSA attack. 394 o Security fix: Zero the premaster secret after deriving the 395 master secret in DH ciphersuites. 396 o Reimplement SSL_peek(), which had various problems. 397 o Compatibility fix: the function des_encrypt() renamed to 398 des_encrypt1() to avoid clashes with some Unixen libc. 399 o Bug fixes for Win32, HP/UX and Irix. 400 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 401 memory checking routines. 402 o Bug fixes for RSA operations in threaded environments. 403 o Bug fixes in misc. openssl applications. 404 o Remove a few potential memory leaks. 405 o Add tighter checks of BIGNUM routines. 406 o Shared library support has been reworked for generality. 407 o More documentation. 408 o New function BN_rand_range(). 409 o Add "-rand" option to openssl s_client and s_server. 410 411 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6: 412 413 o Some documentation for BIO and SSL libraries. 414 o Enhanced chain verification using key identifiers. 415 o New sign and verify options to 'dgst' application. 416 o Support for DER and PEM encoded messages in 'smime' application. 417 o New 'rsautl' application, low level RSA utility. 418 o MD4 now included. 419 o Bugfix for SSL rollback padding check. 420 o Support for external crypto devices [1]. 421 o Enhanced EVP interface. 422 423 [1] The support for external crypto devices is currently a separate 424 distribution. See the file README.ENGINE. 425 426 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a: 427 428 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 429 o Shared library support for HPUX and Solaris-gcc 430 o Support of Linux/IA64 431 o Assembler support for Mingw32 432 o New 'rand' application 433 o New way to check for existence of algorithms from scripts 434 435 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5: 436 437 o S/MIME support in new 'smime' command 438 o Documentation for the OpenSSL command line application 439 o Automation of 'req' application 440 o Fixes to make s_client, s_server work under Windows 441 o Support for multiple fieldnames in SPKACs 442 o New SPKAC command line utilty and associated library functions 443 o Options to allow passwords to be obtained from various sources 444 o New public key PEM format and options to handle it 445 o Many other fixes and enhancements to command line utilities 446 o Usable certificate chain verification 447 o Certificate purpose checking 448 o Certificate trust settings 449 o Support of authority information access extension 450 o Extensions in certificate requests 451 o Simplified X509 name and attribute routines 452 o Initial (incomplete) support for international character sets 453 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 454 o Read only memory BIOs and simplified creation function 455 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 456 record; allow fragmentation and interleaving of handshake and other 457 data 458 o TLS/SSL code now "tolerates" MS SGC 459 o Work around for Netscape client certificate hang bug 460 o RSA_NULL option that removes RSA patent code but keeps other 461 RSA functionality 462 o Memory leak detection now allows applications to add extra information 463 via a per-thread stack 464 o PRNG robustness improved 465 o EGD support 466 o BIGNUM library bug fixes 467 o Faster DSA parameter generation 468 o Enhanced support for Alpha Linux 469 o Experimental MacOS support 470 471 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4: 472 473 o Transparent support for PKCS#8 format private keys: these are used 474 by several software packages and are more secure than the standard 475 form 476 o PKCS#5 v2.0 implementation 477 o Password callbacks have a new void * argument for application data 478 o Avoid various memory leaks 479 o New pipe-like BIO that allows using the SSL library when actual I/O 480 must be handled by the application (BIO pair) 481 482 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3: 483 o Lots of enhancements and cleanups to the Configuration mechanism 484 o RSA OEAP related fixes 485 o Added `openssl ca -revoke' option for revoking a certificate 486 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 487 o Source tree cleanups: removed lots of obsolete files 488 o Thawte SXNet, certificate policies and CRL distribution points 489 extension support 490 o Preliminary (experimental) S/MIME support 491 o Support for ASN.1 UTF8String and VisibleString 492 o Full integration of PKCS#12 code 493 o Sparc assembler bignum implementation, optimized hash functions 494 o Option to disable selected ciphers 495 496 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b: 497 o Fixed a security hole related to session resumption 498 o Fixed RSA encryption routines for the p < q case 499 o "ALL" in cipher lists now means "everything except NULL ciphers" 500 o Support for Triple-DES CBCM cipher 501 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 502 o First support for new TLSv1 ciphers 503 o Added a few new BIOs (syslog BIO, reliable BIO) 504 o Extended support for DSA certificate/keys. 505 o Extended support for Certificate Signing Requests (CSR) 506 o Initial support for X.509v3 extensions 507 o Extended support for compression inside the SSL record layer 508 o Overhauled Win32 builds 509 o Cleanups and fixes to the Big Number (BN) library 510 o Support for ASN.1 GeneralizedTime 511 o Splitted ASN.1 SETs from SEQUENCEs 512 o ASN1 and PEM support for Netscape Certificate Sequences 513 o Overhauled Perl interface 514 o Lots of source tree cleanups. 515 o Lots of memory leak fixes. 516 o Lots of bug fixes. 517 518 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c: 519 o Integration of the popular NO_RSA/NO_DSA patches 520 o Initial support for compression inside the SSL record layer 521 o Added BIO proxy and filtering functionality 522 o Extended Big Number (BN) library 523 o Added RIPE MD160 message digest 524 o Addeed support for RC2/64bit cipher 525 o Extended ASN.1 parser routines 526 o Adjustations of the source tree for CVS 527 o Support for various new platforms 528 529