NEWS revision 120631
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 0.9.7b and OpenSSL 0.9.7c: 9 10 o Security: fix various ASN1 parsing bugs. 11 o New -ignore_err option to OCSP utility. 12 o Various interop and bug fixes in S/MIME code. 13 o SSL/TLS protocol fix for unrequested client certificates. 14 15 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b: 16 17 o Security: counter the Klima-Pokorny-Rosa extension of 18 Bleichbacher's attack 19 o Security: make RSA blinding default. 20 o Configuration: Irix fixes, AIX fixes, better mingw support. 21 o Support for new platforms: linux-ia64-ecc. 22 o Build: shared library support fixes. 23 o ASN.1: treat domainComponent correctly. 24 o Documentation: fixes and additions. 25 26 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a: 27 28 o Security: Important security related bugfixes. 29 o Enhanced compatibility with MIT Kerberos. 30 o Can be built without the ENGINE framework. 31 o IA32 assembler enhancements. 32 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64. 33 o Configuration: the no-err option now works properly. 34 o SSL/TLS: now handles manual certificate chain building. 35 o SSL/TLS: certain session ID malfunctions corrected. 36 37 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7: 38 39 o New library section OCSP. 40 o Complete rewrite of ASN1 code. 41 o CRL checking in verify code and openssl utility. 42 o Extension copying in 'ca' utility. 43 o Flexible display options in 'ca' utility. 44 o Provisional support for international characters with UTF8. 45 o Support for external crypto devices ('engine') is no longer 46 a separate distribution. 47 o New elliptic curve library section. 48 o New AES (Rijndael) library section. 49 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit, 50 Linux x86_64, Linux 64-bit on Sparc v9 51 o Extended support for some platforms: VxWorks 52 o Enhanced support for shared libraries. 53 o Now only builds PIC code when shared library support is requested. 54 o Support for pkg-config. 55 o Lots of new manuals. 56 o Makes symbolic links to or copies of manuals to cover all described 57 functions. 58 o Change DES API to clean up the namespace (some applications link also 59 against libdes providing similar functions having the same name). 60 Provide macros for backward compatibility (will be removed in the 61 future). 62 o Unify handling of cryptographic algorithms (software and engine) 63 to be available via EVP routines for asymmetric and symmetric ciphers. 64 o NCONF: new configuration handling routines. 65 o Change API to use more 'const' modifiers to improve error checking 66 and help optimizers. 67 o Finally remove references to RSAref. 68 o Reworked parts of the BIGNUM code. 69 o Support for new engines: Broadcom ubsec, Accelerated Encryption 70 Processing, IBM 4758. 71 o A few new engines added in the demos area. 72 o Extended and corrected OID (object identifier) table. 73 o PRNG: query at more locations for a random device, automatic query for 74 EGD style random sources at several locations. 75 o SSL/TLS: allow optional cipher choice according to server's preference. 76 o SSL/TLS: allow server to explicitly set new session ids. 77 o SSL/TLS: support Kerberos cipher suites (RFC2712). 78 Only supports MIT Kerberos for now. 79 o SSL/TLS: allow more precise control of renegotiations and sessions. 80 o SSL/TLS: add callback to retrieve SSL/TLS messages. 81 o SSL/TLS: support AES cipher suites (RFC3268). 82 83 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k: 84 85 o Security: fix various ASN1 parsing bugs. 86 o SSL/TLS protocol fix for unrequested client certificates. 87 88 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j: 89 90 o Security: counter the Klima-Pokorny-Rosa extension of 91 Bleichbacher's attack 92 o Security: make RSA blinding default. 93 o Build: shared library support fixes. 94 95 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i: 96 97 o Important security related bugfixes. 98 99 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h: 100 101 o New configuration targets for Tandem OSS and A/UX. 102 o New OIDs for Microsoft attributes. 103 o Better handling of SSL session caching. 104 o Better comparison of distinguished names. 105 o Better handling of shared libraries in a mixed GNU/non-GNU environment. 106 o Support assembler code with Borland C. 107 o Fixes for length problems. 108 o Fixes for uninitialised variables. 109 o Fixes for memory leaks, some unusual crashes and some race conditions. 110 o Fixes for smaller building problems. 111 o Updates of manuals, FAQ and other instructive documents. 112 113 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g: 114 115 o Important building fixes on Unix. 116 117 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f: 118 119 o Various important bugfixes. 120 121 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e: 122 123 o Important security related bugfixes. 124 o Various SSL/TLS library bugfixes. 125 126 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d: 127 128 o Various SSL/TLS library bugfixes. 129 o Fix DH parameter generation for 'non-standard' generators. 130 131 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c: 132 133 o Various SSL/TLS library bugfixes. 134 o BIGNUM library fixes. 135 o RSA OAEP and random number generation fixes. 136 o Object identifiers corrected and added. 137 o Add assembler BN routines for IA64. 138 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8, 139 MIPS Linux; shared library support for Irix, HP-UX. 140 o Add crypto accelerator support for AEP, Baltimore SureWare, 141 Broadcom and Cryptographic Appliance's keyserver 142 [in 0.9.6c-engine release]. 143 144 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b: 145 146 o Security fix: PRNG improvements. 147 o Security fix: RSA OAEP check. 148 o Security fix: Reinsert and fix countermeasure to Bleichbacher's 149 attack. 150 o MIPS bug fix in BIGNUM. 151 o Bug fix in "openssl enc". 152 o Bug fix in X.509 printing routine. 153 o Bug fix in DSA verification routine and DSA S/MIME verification. 154 o Bug fix to make PRNG thread-safe. 155 o Bug fix in RAND_file_name(). 156 o Bug fix in compatibility mode trust settings. 157 o Bug fix in blowfish EVP. 158 o Increase default size for BIO buffering filter. 159 o Compatibility fixes in some scripts. 160 161 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a: 162 163 o Security fix: change behavior of OpenSSL to avoid using 164 environment variables when running as root. 165 o Security fix: check the result of RSA-CRT to reduce the 166 possibility of deducing the private key from an incorrectly 167 calculated signature. 168 o Security fix: prevent Bleichenbacher's DSA attack. 169 o Security fix: Zero the premaster secret after deriving the 170 master secret in DH ciphersuites. 171 o Reimplement SSL_peek(), which had various problems. 172 o Compatibility fix: the function des_encrypt() renamed to 173 des_encrypt1() to avoid clashes with some Unixen libc. 174 o Bug fixes for Win32, HP/UX and Irix. 175 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and 176 memory checking routines. 177 o Bug fixes for RSA operations in threaded environments. 178 o Bug fixes in misc. openssl applications. 179 o Remove a few potential memory leaks. 180 o Add tighter checks of BIGNUM routines. 181 o Shared library support has been reworked for generality. 182 o More documentation. 183 o New function BN_rand_range(). 184 o Add "-rand" option to openssl s_client and s_server. 185 186 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6: 187 188 o Some documentation for BIO and SSL libraries. 189 o Enhanced chain verification using key identifiers. 190 o New sign and verify options to 'dgst' application. 191 o Support for DER and PEM encoded messages in 'smime' application. 192 o New 'rsautl' application, low level RSA utility. 193 o MD4 now included. 194 o Bugfix for SSL rollback padding check. 195 o Support for external crypto devices [1]. 196 o Enhanced EVP interface. 197 198 [1] The support for external crypto devices is currently a separate 199 distribution. See the file README.ENGINE. 200 201 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a: 202 203 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8 204 o Shared library support for HPUX and Solaris-gcc 205 o Support of Linux/IA64 206 o Assembler support for Mingw32 207 o New 'rand' application 208 o New way to check for existence of algorithms from scripts 209 210 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5: 211 212 o S/MIME support in new 'smime' command 213 o Documentation for the OpenSSL command line application 214 o Automation of 'req' application 215 o Fixes to make s_client, s_server work under Windows 216 o Support for multiple fieldnames in SPKACs 217 o New SPKAC command line utilty and associated library functions 218 o Options to allow passwords to be obtained from various sources 219 o New public key PEM format and options to handle it 220 o Many other fixes and enhancements to command line utilities 221 o Usable certificate chain verification 222 o Certificate purpose checking 223 o Certificate trust settings 224 o Support of authority information access extension 225 o Extensions in certificate requests 226 o Simplified X509 name and attribute routines 227 o Initial (incomplete) support for international character sets 228 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD 229 o Read only memory BIOs and simplified creation function 230 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0 231 record; allow fragmentation and interleaving of handshake and other 232 data 233 o TLS/SSL code now "tolerates" MS SGC 234 o Work around for Netscape client certificate hang bug 235 o RSA_NULL option that removes RSA patent code but keeps other 236 RSA functionality 237 o Memory leak detection now allows applications to add extra information 238 via a per-thread stack 239 o PRNG robustness improved 240 o EGD support 241 o BIGNUM library bug fixes 242 o Faster DSA parameter generation 243 o Enhanced support for Alpha Linux 244 o Experimental MacOS support 245 246 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4: 247 248 o Transparent support for PKCS#8 format private keys: these are used 249 by several software packages and are more secure than the standard 250 form 251 o PKCS#5 v2.0 implementation 252 o Password callbacks have a new void * argument for application data 253 o Avoid various memory leaks 254 o New pipe-like BIO that allows using the SSL library when actual I/O 255 must be handled by the application (BIO pair) 256 257 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3: 258 o Lots of enhancements and cleanups to the Configuration mechanism 259 o RSA OEAP related fixes 260 o Added `openssl ca -revoke' option for revoking a certificate 261 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs 262 o Source tree cleanups: removed lots of obsolete files 263 o Thawte SXNet, certificate policies and CRL distribution points 264 extension support 265 o Preliminary (experimental) S/MIME support 266 o Support for ASN.1 UTF8String and VisibleString 267 o Full integration of PKCS#12 code 268 o Sparc assembler bignum implementation, optimized hash functions 269 o Option to disable selected ciphers 270 271 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b: 272 o Fixed a security hole related to session resumption 273 o Fixed RSA encryption routines for the p < q case 274 o "ALL" in cipher lists now means "everything except NULL ciphers" 275 o Support for Triple-DES CBCM cipher 276 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA 277 o First support for new TLSv1 ciphers 278 o Added a few new BIOs (syslog BIO, reliable BIO) 279 o Extended support for DSA certificate/keys. 280 o Extended support for Certificate Signing Requests (CSR) 281 o Initial support for X.509v3 extensions 282 o Extended support for compression inside the SSL record layer 283 o Overhauled Win32 builds 284 o Cleanups and fixes to the Big Number (BN) library 285 o Support for ASN.1 GeneralizedTime 286 o Splitted ASN.1 SETs from SEQUENCEs 287 o ASN1 and PEM support for Netscape Certificate Sequences 288 o Overhauled Perl interface 289 o Lots of source tree cleanups. 290 o Lots of memory leak fixes. 291 o Lots of bug fixes. 292 293 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c: 294 o Integration of the popular NO_RSA/NO_DSA patches 295 o Initial support for compression inside the SSL record layer 296 o Added BIO proxy and filtering functionality 297 o Extended Big Number (BN) library 298 o Added RIPE MD160 message digest 299 o Addeed support for RC2/64bit cipher 300 o Extended ASN.1 parser routines 301 o Adjustations of the source tree for CVS 302 o Support for various new platforms 303 304