NEWS revision 142425
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 0.9.7d and OpenSSL 0.9.7e: 9 10 o Fix race condition in CRL checking code. 11 o Fixes to PKCS#7 (S/MIME) code. 12 13 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d: 14 15 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug 16 o Security: Fix null-pointer assignment in do_change_cipher_spec() 17 o Allow multiple active certificates with same subject in CA index 18 o Multiple X509 verification fixes 19 o Speed up HMAC and other operations 20 21 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c: 22 23 o Security: fix various ASN1 parsing bugs. 24 o New -ignore_err option to OCSP utility. 25 o Various interop and bug fixes in S/MIME code. 26 o SSL/TLS protocol fix for unrequested client certificates. 27 28 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b: 29 30 o Security: counter the Klima-Pokorny-Rosa extension of 31 Bleichbacher's attack 32 o Security: make RSA blinding default. 33 o Configuration: Irix fixes, AIX fixes, better mingw support. 34 o Support for new platforms: linux-ia64-ecc. 35 o Build: shared library support fixes. 36 o ASN.1: treat domainComponent correctly. 37 o Documentation: fixes and additions. 38 39 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a: 40 41 o Security: Important security related bugfixes. 42 o Enhanced compatibility with MIT Kerberos. 43 o Can be built without the ENGINE framework. 44 o IA32 assembler enhancements. 45 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 46 o Configuration: the no-err option now works properly. 47 o SSL/TLS: now handles manual certificate chain building. 48 o SSL/TLS: certain session ID malfunctions corrected. 49 50 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7: 51 52 o New library section OCSP. 53 o Complete rewrite of ASN1 code. 54 o CRL checking in verify code and openssl utility. 55 o Extension copying in 'ca' utility. 56 o Flexible display options in 'ca' utility. 57 o Provisional support for international characters with UTF8. 58 o Support for external crypto devices ('engine') is no longer 59 a separate distribution. 60 o New elliptic curve library section. 61 o New AES (Rijndael) library section. 62 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 63 Linux x86_64, Linux 64-bit on Sparc v9 64 o Extended support for some platforms: VxWorks 65 o Enhanced support for shared libraries. 66 o Now only builds PIC code when shared library support is requested. 67 o Support for pkg-config. 68 o Lots of new manuals. 69 o Makes symbolic links to or copies of manuals to cover all described 70 functions. 71 o Change DES API to clean up the namespace (some applications link also 72 against libdes providing similar functions having the same name). 73 Provide macros for backward compatibility (will be removed in the 74 future). 75 o Unify handling of cryptographic algorithms (software and engine) 76 to be available via EVP routines for asymmetric and symmetric ciphers. 77 o NCONF: new configuration handling routines. 78 o Change API to use more 'const' modifiers to improve error checking 79 and help optimizers. 80 o Finally remove references to RSAref. 81 o Reworked parts of the BIGNUM code. 82 o Support for new engines: Broadcom ubsec, Accelerated Encryption 83 Processing, IBM 4758. 84 o A few new engines added in the demos area. 85 o Extended and corrected OID (object identifier) table. 86 o PRNG: query at more locations for a random device, automatic query for 87 EGD style random sources at several locations. 88 o SSL/TLS: allow optional cipher choice according to server's preference. 89 o SSL/TLS: allow server to explicitly set new session ids. 90 o SSL/TLS: support Kerberos cipher suites (RFC2712). 91 Only supports MIT Kerberos for now. 92 o SSL/TLS: allow more precise control of renegotiations and sessions. 93 o SSL/TLS: add callback to retrieve SSL/TLS messages. 94 o SSL/TLS: support AES cipher suites (RFC3268). 95 96 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k: 97 98 o Security: fix various ASN1 parsing bugs. 99 o SSL/TLS protocol fix for unrequested client certificates. 100 101 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j: 102 103 o Security: counter the Klima-Pokorny-Rosa extension of 104 Bleichbacher's attack 105 o Security: make RSA blinding default. 106 o Build: shared library support fixes. 107 108 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i: 109 110 o Important security related bugfixes. 111 112 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h: 113 114 o New configuration targets for Tandem OSS and A/UX. 115 o New OIDs for Microsoft attributes. 116 o Better handling of SSL session caching. 117 o Better comparison of distinguished names. 118 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 119 o Support assembler code with Borland C. 120 o Fixes for length problems. 121 o Fixes for uninitialised variables. 122 o Fixes for memory leaks, some unusual crashes and some race conditions. 123 o Fixes for smaller building problems. 124 o Updates of manuals, FAQ and other instructive documents. 125 126 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g: 127 128 o Important building fixes on Unix. 129 130 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f: 131 132 o Various important bugfixes. 133 134 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e: 135 136 o Important security related bugfixes. 137 o Various SSL/TLS library bugfixes. 138 139 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d: 140 141 o Various SSL/TLS library bugfixes. 142 o Fix DH parameter generation for 'non-standard' generators. 143 144 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c: 145 146 o Various SSL/TLS library bugfixes. 147 o BIGNUM library fixes. 148 o RSA OAEP and random number generation fixes. 149 o Object identifiers corrected and added. 150 o Add assembler BN routines for IA64. 151 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 152 MIPS Linux; shared library support for Irix, HP-UX. 153 o Add crypto accelerator support for AEP, Baltimore SureWare, 154 Broadcom and Cryptographic Appliance's keyserver 155 [in 0.9.6c-engine release]. 156 157 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b: 158 159 o Security fix: PRNG improvements. 160 o Security fix: RSA OAEP check. 161 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 162 attack. 163 o MIPS bug fix in BIGNUM. 164 o Bug fix in "openssl enc". 165 o Bug fix in X.509 printing routine. 166 o Bug fix in DSA verification routine and DSA S/MIME verification. 167 o Bug fix to make PRNG thread-safe. 168 o Bug fix in RAND_file_name(). 169 o Bug fix in compatibility mode trust settings. 170 o Bug fix in blowfish EVP. 171 o Increase default size for BIO buffering filter. 172 o Compatibility fixes in some scripts. 173 174 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a: 175 176 o Security fix: change behavior of OpenSSL to avoid using 177 environment variables when running as root. 178 o Security fix: check the result of RSA-CRT to reduce the 179 possibility of deducing the private key from an incorrectly 180 calculated signature. 181 o Security fix: prevent Bleichenbacher's DSA attack. 182 o Security fix: Zero the premaster secret after deriving the 183 master secret in DH ciphersuites. 184 o Reimplement SSL_peek(), which had various problems. 185 o Compatibility fix: the function des_encrypt() renamed to 186 des_encrypt1() to avoid clashes with some Unixen libc. 187 o Bug fixes for Win32, HP/UX and Irix. 188 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 189 memory checking routines. 190 o Bug fixes for RSA operations in threaded environments. 191 o Bug fixes in misc. openssl applications. 192 o Remove a few potential memory leaks. 193 o Add tighter checks of BIGNUM routines. 194 o Shared library support has been reworked for generality. 195 o More documentation. 196 o New function BN_rand_range(). 197 o Add "-rand" option to openssl s_client and s_server. 198 199 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6: 200 201 o Some documentation for BIO and SSL libraries. 202 o Enhanced chain verification using key identifiers. 203 o New sign and verify options to 'dgst' application. 204 o Support for DER and PEM encoded messages in 'smime' application. 205 o New 'rsautl' application, low level RSA utility. 206 o MD4 now included. 207 o Bugfix for SSL rollback padding check. 208 o Support for external crypto devices [1]. 209 o Enhanced EVP interface. 210 211 [1] The support for external crypto devices is currently a separate 212 distribution. See the file README.ENGINE. 213 214 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a: 215 216 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 217 o Shared library support for HPUX and Solaris-gcc 218 o Support of Linux/IA64 219 o Assembler support for Mingw32 220 o New 'rand' application 221 o New way to check for existence of algorithms from scripts 222 223 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5: 224 225 o S/MIME support in new 'smime' command 226 o Documentation for the OpenSSL command line application 227 o Automation of 'req' application 228 o Fixes to make s_client, s_server work under Windows 229 o Support for multiple fieldnames in SPKACs 230 o New SPKAC command line utilty and associated library functions 231 o Options to allow passwords to be obtained from various sources 232 o New public key PEM format and options to handle it 233 o Many other fixes and enhancements to command line utilities 234 o Usable certificate chain verification 235 o Certificate purpose checking 236 o Certificate trust settings 237 o Support of authority information access extension 238 o Extensions in certificate requests 239 o Simplified X509 name and attribute routines 240 o Initial (incomplete) support for international character sets 241 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 242 o Read only memory BIOs and simplified creation function 243 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 244 record; allow fragmentation and interleaving of handshake and other 245 data 246 o TLS/SSL code now "tolerates" MS SGC 247 o Work around for Netscape client certificate hang bug 248 o RSA_NULL option that removes RSA patent code but keeps other 249 RSA functionality 250 o Memory leak detection now allows applications to add extra information 251 via a per-thread stack 252 o PRNG robustness improved 253 o EGD support 254 o BIGNUM library bug fixes 255 o Faster DSA parameter generation 256 o Enhanced support for Alpha Linux 257 o Experimental MacOS support 258 259 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4: 260 261 o Transparent support for PKCS#8 format private keys: these are used 262 by several software packages and are more secure than the standard 263 form 264 o PKCS#5 v2.0 implementation 265 o Password callbacks have a new void * argument for application data 266 o Avoid various memory leaks 267 o New pipe-like BIO that allows using the SSL library when actual I/O 268 must be handled by the application (BIO pair) 269 270 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3: 271 o Lots of enhancements and cleanups to the Configuration mechanism 272 o RSA OEAP related fixes 273 o Added `openssl ca -revoke' option for revoking a certificate 274 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 275 o Source tree cleanups: removed lots of obsolete files 276 o Thawte SXNet, certificate policies and CRL distribution points 277 extension support 278 o Preliminary (experimental) S/MIME support 279 o Support for ASN.1 UTF8String and VisibleString 280 o Full integration of PKCS#12 code 281 o Sparc assembler bignum implementation, optimized hash functions 282 o Option to disable selected ciphers 283 284 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b: 285 o Fixed a security hole related to session resumption 286 o Fixed RSA encryption routines for the p < q case 287 o "ALL" in cipher lists now means "everything except NULL ciphers" 288 o Support for Triple-DES CBCM cipher 289 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 290 o First support for new TLSv1 ciphers 291 o Added a few new BIOs (syslog BIO, reliable BIO) 292 o Extended support for DSA certificate/keys. 293 o Extended support for Certificate Signing Requests (CSR) 294 o Initial support for X.509v3 extensions 295 o Extended support for compression inside the SSL record layer 296 o Overhauled Win32 builds 297 o Cleanups and fixes to the Big Number (BN) library 298 o Support for ASN.1 GeneralizedTime 299 o Splitted ASN.1 SETs from SEQUENCEs 300 o ASN1 and PEM support for Netscape Certificate Sequences 301 o Overhauled Perl interface 302 o Lots of source tree cleanups. 303 o Lots of memory leak fixes. 304 o Lots of bug fixes. 305 306 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c: 307 o Integration of the popular NO_RSA/NO_DSA patches 308 o Initial support for compression inside the SSL record layer 309 o Added BIO proxy and filtering functionality 310 o Extended Big Number (BN) library 311 o Added RIPE MD160 message digest 312 o Addeed support for RC2/64bit cipher 313 o Extended ASN.1 parser routines 314 o Adjustations of the source tree for CVS 315 o Support for various new platforms 316 317