NEWS revision 205128
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 0.9.8l and OpenSSL 0.9.8m: 9 10 o Cipher definition fixes. 11 o Workaround for slow RAND_poll() on some WIN32 versions. 12 o Remove MD2 from algorithm tables. 13 o SPKAC handling fixes. 14 o Support for RFC5746 TLS renegotiation extension. 15 o Compression memory leak fixed. 16 o Compression session resumption fixed. 17 o Ticket and SNI coexistence fixes. 18 o Many fixes to DTLS handling. 19 20 Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l: 21 22 o Temporary work around for CVE-2009-3555: disable renegotiation. 23 24 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k: 25 26 o Fix various build issues. 27 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789) 28 29 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j: 30 31 o Fix security issue (CVE-2008-5077) 32 o Merge FIPS 140-2 branch code. 33 34 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h: 35 36 o CryptoAPI ENGINE support. 37 o Various precautionary measures. 38 o Fix for bugs affecting certificate request creation. 39 o Support for local machine keyset attribute in PKCS#12 files. 40 41 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g: 42 43 o Backport of CMS functionality to 0.9.8. 44 o Fixes for bugs introduced with 0.9.8f. 45 46 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f: 47 48 o Add gcc 4.2 support. 49 o Add support for AES and SSE2 assembly lanugauge optimization 50 for VC++ build. 51 o Support for RFC4507bis and server name extensions if explicitly 52 selected at compile time. 53 o DTLS improvements. 54 o RFC4507bis support. 55 o TLS Extensions support. 56 57 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e: 58 59 o Various ciphersuite selection fixes. 60 o RFC3779 support. 61 62 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d: 63 64 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 65 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 66 o Changes to ciphersuite selection algorithm 67 68 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c: 69 70 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 71 o New cipher Camellia 72 73 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b: 74 75 o Cipher string fixes. 76 o Fixes for VC++ 2005. 77 o Updated ECC cipher suite support. 78 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free(). 79 o Zlib compression usage fixes. 80 o Built in dynamic engine compilation support on Win32. 81 o Fixes auto dynamic engine loading in Win32. 82 83 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a: 84 85 o Fix potential SSL 2.0 rollback, CVE-2005-2969 86 o Extended Windows CE support 87 88 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8: 89 90 o Major work on the BIGNUM library for higher efficiency and to 91 make operations more streamlined and less contradictory. This 92 is the result of a major audit of the BIGNUM library. 93 o Addition of BIGNUM functions for fields GF(2^m) and NIST 94 curves, to support the Elliptic Crypto functions. 95 o Major work on Elliptic Crypto; ECDH and ECDSA added, including 96 the use through EVP, X509 and ENGINE. 97 o New ASN.1 mini-compiler that's usable through the OpenSSL 98 configuration file. 99 o Added support for ASN.1 indefinite length constructed encoding. 100 o New PKCS#12 'medium level' API to manipulate PKCS#12 files. 101 o Complete rework of shared library construction and linking 102 programs with shared or static libraries, through a separate 103 Makefile.shared. 104 o Rework of the passing of parameters from one Makefile to another. 105 o Changed ENGINE framework to load dynamic engine modules 106 automatically from specifically given directories. 107 o New structure and ASN.1 functions for CertificatePair. 108 o Changed the ZLIB compression method to be stateful. 109 o Changed the key-generation and primality testing "progress" 110 mechanism to take a structure that contains the ticker 111 function and an argument. 112 o New engine module: GMP (performs private key exponentiation). 113 o New engine module: VIA PadLOck ACE extension in VIA C3 114 Nehemiah processors. 115 o Added support for IPv6 addresses in certificate extensions. 116 See RFC 1884, section 2.2. 117 o Added support for certificate policy mappings, policy 118 constraints and name constraints. 119 o Added support for multi-valued AVAs in the OpenSSL 120 configuration file. 121 o Added support for multiple certificates with the same subject 122 in the 'openssl ca' index file. 123 o Make it possible to create self-signed certificates using 124 'openssl ca -selfsign'. 125 o Make it possible to generate a serial number file with 126 'openssl ca -create_serial'. 127 o New binary search functions with extended functionality. 128 o New BUF functions. 129 o New STORE structure and library to provide an interface to all 130 sorts of data repositories. Supports storage of public and 131 private keys, certificates, CRLs, numbers and arbitrary blobs. 132 This library is unfortunately unfinished and unused withing 133 OpenSSL. 134 o New control functions for the error stack. 135 o Changed the PKCS#7 library to support one-pass S/MIME 136 processing. 137 o Added the possibility to compile without old deprecated 138 functionality with the OPENSSL_NO_DEPRECATED macro or the 139 'no-deprecated' argument to the config and Configure scripts. 140 o Constification of all ASN.1 conversion functions, and other 141 affected functions. 142 o Improved platform support for PowerPC. 143 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512). 144 o New X509_VERIFY_PARAM structure to support parametrisation 145 of X.509 path validation. 146 o Major overhaul of RC4 performance on Intel P4, IA-64 and 147 AMD64. 148 o Changed the Configure script to have some algorithms disabled 149 by default. Those can be explicitely enabled with the new 150 argument form 'enable-xxx'. 151 o Change the default digest in 'openssl' commands from MD5 to 152 SHA-1. 153 o Added support for DTLS. 154 o New BIGNUM blinding. 155 o Added support for the RSA-PSS encryption scheme 156 o Added support for the RSA X.931 padding. 157 o Added support for BSD sockets on NetWare. 158 o Added support for files larger than 2GB. 159 o Added initial support for Win64. 160 o Added alternate pkg-config files. 161 162 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l: 163 164 o Introduce limits to prevent malicious key DoS (CVE-2006-2940) 165 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343) 166 167 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k: 168 169 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339 170 171 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j: 172 173 o Visual C++ 2005 fixes. 174 o Update Windows build system for FIPS. 175 176 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i: 177 178 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build. 179 180 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h: 181 182 o Fix SSL 2.0 Rollback, CVE-2005-2969 183 o Allow use of fixed-length exponent on DSA signing 184 o Default fixed-window RSA, DSA, DH private-key operations 185 186 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g: 187 188 o More compilation issues fixed. 189 o Adaptation to more modern Kerberos API. 190 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin. 191 o Enhanced x86_64 assembler BIGNUM module. 192 o More constification. 193 o Added processing of proxy certificates (RFC 3820). 194 195 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f: 196 197 o Several compilation issues fixed. 198 o Many memory allocation failure checks added. 199 o Improved comparison of X509 Name type. 200 o Mandatory basic checks on certificates. 201 o Performance improvements. 202 203 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e: 204 205 o Fix race condition in CRL checking code. 206 o Fixes to PKCS#7 (S/MIME) code. 207 208 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d: 209 210 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 211 o Security: Fix null-pointer assignment in do_change_cipher_spec() 212 o Allow multiple active certificates with same subject in CA index 213 o Multiple X509 verification fixes 214 o Speed up HMAC and other operations 215 216 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c: 217 218 o Security: fix various ASN1 parsing bugs. 219 o New -ignore_err option to OCSP utility. 220 o Various interop and bug fixes in S/MIME code. 221 o SSL/TLS protocol fix for unrequested client certificates. 222 223 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b: 224 225 o Security: counter the Klima-Pokorny-Rosa extension of 226 Bleichbacher's attack 227 o Security: make RSA blinding default. 228 o Configuration: Irix fixes, AIX fixes, better mingw support. 229 o Support for new platforms: linux-ia64-ecc. 230 o Build: shared library support fixes. 231 o ASN.1: treat domainComponent correctly. 232 o Documentation: fixes and additions. 233 234 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a: 235 236 o Security: Important security related bugfixes. 237 o Enhanced compatibility with MIT Kerberos. 238 o Can be built without the ENGINE framework. 239 o IA32 assembler enhancements. 240 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 241 o Configuration: the no-err option now works properly. 242 o SSL/TLS: now handles manual certificate chain building. 243 o SSL/TLS: certain session ID malfunctions corrected. 244 245 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7: 246 247 o New library section OCSP. 248 o Complete rewrite of ASN1 code. 249 o CRL checking in verify code and openssl utility. 250 o Extension copying in 'ca' utility. 251 o Flexible display options in 'ca' utility. 252 o Provisional support for international characters with UTF8. 253 o Support for external crypto devices ('engine') is no longer 254 a separate distribution. 255 o New elliptic curve library section. 256 o New AES (Rijndael) library section. 257 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 258 Linux x86_64, Linux 64-bit on Sparc v9 259 o Extended support for some platforms: VxWorks 260 o Enhanced support for shared libraries. 261 o Now only builds PIC code when shared library support is requested. 262 o Support for pkg-config. 263 o Lots of new manuals. 264 o Makes symbolic links to or copies of manuals to cover all described 265 functions. 266 o Change DES API to clean up the namespace (some applications link also 267 against libdes providing similar functions having the same name). 268 Provide macros for backward compatibility (will be removed in the 269 future). 270 o Unify handling of cryptographic algorithms (software and engine) 271 to be available via EVP routines for asymmetric and symmetric ciphers. 272 o NCONF: new configuration handling routines. 273 o Change API to use more 'const' modifiers to improve error checking 274 and help optimizers. 275 o Finally remove references to RSAref. 276 o Reworked parts of the BIGNUM code. 277 o Support for new engines: Broadcom ubsec, Accelerated Encryption 278 Processing, IBM 4758. 279 o A few new engines added in the demos area. 280 o Extended and corrected OID (object identifier) table. 281 o PRNG: query at more locations for a random device, automatic query for 282 EGD style random sources at several locations. 283 o SSL/TLS: allow optional cipher choice according to server's preference. 284 o SSL/TLS: allow server to explicitly set new session ids. 285 o SSL/TLS: support Kerberos cipher suites (RFC2712). 286 Only supports MIT Kerberos for now. 287 o SSL/TLS: allow more precise control of renegotiations and sessions. 288 o SSL/TLS: add callback to retrieve SSL/TLS messages. 289 o SSL/TLS: support AES cipher suites (RFC3268). 290 291 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k: 292 293 o Security: fix various ASN1 parsing bugs. 294 o SSL/TLS protocol fix for unrequested client certificates. 295 296 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j: 297 298 o Security: counter the Klima-Pokorny-Rosa extension of 299 Bleichbacher's attack 300 o Security: make RSA blinding default. 301 o Build: shared library support fixes. 302 303 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i: 304 305 o Important security related bugfixes. 306 307 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h: 308 309 o New configuration targets for Tandem OSS and A/UX. 310 o New OIDs for Microsoft attributes. 311 o Better handling of SSL session caching. 312 o Better comparison of distinguished names. 313 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 314 o Support assembler code with Borland C. 315 o Fixes for length problems. 316 o Fixes for uninitialised variables. 317 o Fixes for memory leaks, some unusual crashes and some race conditions. 318 o Fixes for smaller building problems. 319 o Updates of manuals, FAQ and other instructive documents. 320 321 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g: 322 323 o Important building fixes on Unix. 324 325 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f: 326 327 o Various important bugfixes. 328 329 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e: 330 331 o Important security related bugfixes. 332 o Various SSL/TLS library bugfixes. 333 334 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d: 335 336 o Various SSL/TLS library bugfixes. 337 o Fix DH parameter generation for 'non-standard' generators. 338 339 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c: 340 341 o Various SSL/TLS library bugfixes. 342 o BIGNUM library fixes. 343 o RSA OAEP and random number generation fixes. 344 o Object identifiers corrected and added. 345 o Add assembler BN routines for IA64. 346 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 347 MIPS Linux; shared library support for Irix, HP-UX. 348 o Add crypto accelerator support for AEP, Baltimore SureWare, 349 Broadcom and Cryptographic Appliance's keyserver 350 [in 0.9.6c-engine release]. 351 352 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b: 353 354 o Security fix: PRNG improvements. 355 o Security fix: RSA OAEP check. 356 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 357 attack. 358 o MIPS bug fix in BIGNUM. 359 o Bug fix in "openssl enc". 360 o Bug fix in X.509 printing routine. 361 o Bug fix in DSA verification routine and DSA S/MIME verification. 362 o Bug fix to make PRNG thread-safe. 363 o Bug fix in RAND_file_name(). 364 o Bug fix in compatibility mode trust settings. 365 o Bug fix in blowfish EVP. 366 o Increase default size for BIO buffering filter. 367 o Compatibility fixes in some scripts. 368 369 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a: 370 371 o Security fix: change behavior of OpenSSL to avoid using 372 environment variables when running as root. 373 o Security fix: check the result of RSA-CRT to reduce the 374 possibility of deducing the private key from an incorrectly 375 calculated signature. 376 o Security fix: prevent Bleichenbacher's DSA attack. 377 o Security fix: Zero the premaster secret after deriving the 378 master secret in DH ciphersuites. 379 o Reimplement SSL_peek(), which had various problems. 380 o Compatibility fix: the function des_encrypt() renamed to 381 des_encrypt1() to avoid clashes with some Unixen libc. 382 o Bug fixes for Win32, HP/UX and Irix. 383 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 384 memory checking routines. 385 o Bug fixes for RSA operations in threaded environments. 386 o Bug fixes in misc. openssl applications. 387 o Remove a few potential memory leaks. 388 o Add tighter checks of BIGNUM routines. 389 o Shared library support has been reworked for generality. 390 o More documentation. 391 o New function BN_rand_range(). 392 o Add "-rand" option to openssl s_client and s_server. 393 394 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6: 395 396 o Some documentation for BIO and SSL libraries. 397 o Enhanced chain verification using key identifiers. 398 o New sign and verify options to 'dgst' application. 399 o Support for DER and PEM encoded messages in 'smime' application. 400 o New 'rsautl' application, low level RSA utility. 401 o MD4 now included. 402 o Bugfix for SSL rollback padding check. 403 o Support for external crypto devices [1]. 404 o Enhanced EVP interface. 405 406 [1] The support for external crypto devices is currently a separate 407 distribution. See the file README.ENGINE. 408 409 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a: 410 411 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 412 o Shared library support for HPUX and Solaris-gcc 413 o Support of Linux/IA64 414 o Assembler support for Mingw32 415 o New 'rand' application 416 o New way to check for existence of algorithms from scripts 417 418 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5: 419 420 o S/MIME support in new 'smime' command 421 o Documentation for the OpenSSL command line application 422 o Automation of 'req' application 423 o Fixes to make s_client, s_server work under Windows 424 o Support for multiple fieldnames in SPKACs 425 o New SPKAC command line utilty and associated library functions 426 o Options to allow passwords to be obtained from various sources 427 o New public key PEM format and options to handle it 428 o Many other fixes and enhancements to command line utilities 429 o Usable certificate chain verification 430 o Certificate purpose checking 431 o Certificate trust settings 432 o Support of authority information access extension 433 o Extensions in certificate requests 434 o Simplified X509 name and attribute routines 435 o Initial (incomplete) support for international character sets 436 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 437 o Read only memory BIOs and simplified creation function 438 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 439 record; allow fragmentation and interleaving of handshake and other 440 data 441 o TLS/SSL code now "tolerates" MS SGC 442 o Work around for Netscape client certificate hang bug 443 o RSA_NULL option that removes RSA patent code but keeps other 444 RSA functionality 445 o Memory leak detection now allows applications to add extra information 446 via a per-thread stack 447 o PRNG robustness improved 448 o EGD support 449 o BIGNUM library bug fixes 450 o Faster DSA parameter generation 451 o Enhanced support for Alpha Linux 452 o Experimental MacOS support 453 454 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4: 455 456 o Transparent support for PKCS#8 format private keys: these are used 457 by several software packages and are more secure than the standard 458 form 459 o PKCS#5 v2.0 implementation 460 o Password callbacks have a new void * argument for application data 461 o Avoid various memory leaks 462 o New pipe-like BIO that allows using the SSL library when actual I/O 463 must be handled by the application (BIO pair) 464 465 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3: 466 o Lots of enhancements and cleanups to the Configuration mechanism 467 o RSA OEAP related fixes 468 o Added `openssl ca -revoke' option for revoking a certificate 469 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 470 o Source tree cleanups: removed lots of obsolete files 471 o Thawte SXNet, certificate policies and CRL distribution points 472 extension support 473 o Preliminary (experimental) S/MIME support 474 o Support for ASN.1 UTF8String and VisibleString 475 o Full integration of PKCS#12 code 476 o Sparc assembler bignum implementation, optimized hash functions 477 o Option to disable selected ciphers 478 479 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b: 480 o Fixed a security hole related to session resumption 481 o Fixed RSA encryption routines for the p < q case 482 o "ALL" in cipher lists now means "everything except NULL ciphers" 483 o Support for Triple-DES CBCM cipher 484 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 485 o First support for new TLSv1 ciphers 486 o Added a few new BIOs (syslog BIO, reliable BIO) 487 o Extended support for DSA certificate/keys. 488 o Extended support for Certificate Signing Requests (CSR) 489 o Initial support for X.509v3 extensions 490 o Extended support for compression inside the SSL record layer 491 o Overhauled Win32 builds 492 o Cleanups and fixes to the Big Number (BN) library 493 o Support for ASN.1 GeneralizedTime 494 o Splitted ASN.1 SETs from SEQUENCEs 495 o ASN1 and PEM support for Netscape Certificate Sequences 496 o Overhauled Perl interface 497 o Lots of source tree cleanups. 498 o Lots of memory leak fixes. 499 o Lots of bug fixes. 500 501 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c: 502 o Integration of the popular NO_RSA/NO_DSA patches 503 o Initial support for compression inside the SSL record layer 504 o Added BIO proxy and filtering functionality 505 o Extended Big Number (BN) library 506 o Added RIPE MD160 message digest 507 o Addeed support for RC2/64bit cipher 508 o Extended ASN.1 parser routines 509 o Adjustations of the source tree for CVS 510 o Support for various new platforms 511 512