Merge from vendor branch SENDMAIL:
[dragonfly.git] / crypto / openssl-0.9 / NEWS
3 ====
5 This file gives a brief overview of the major changes between each OpenSSL
6 release. For more details please read the CHANGES file.
8 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e:
10 o Various ciphersuite selection fixes.
11 o RFC3779 support.
13 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d:
15 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
16 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
17 o Changes to ciphersuite selection algorithm
19 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c:
21 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
22 o New cipher Camellia
24 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b:
26 o Cipher string fixes.
27 o Fixes for VC++ 2005.
28 o Updated ECC cipher suite support.
29 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
30 o Zlib compression usage fixes.
31 o Built in dynamic engine compilation support on Win32.
32 o Fixes auto dynamic engine loading in Win32.
34 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a:
74093195 36 o Fix potential SSL 2.0 rollback, CVE-2005-2969
37 o Extended Windows CE support
39 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8:
41 o Major work on the BIGNUM library for higher efficiency and to
42 make operations more streamlined and less contradictory. This
43 is the result of a major audit of the BIGNUM library.
44 o Addition of BIGNUM functions for fields GF(2^m) and NIST
45 curves, to support the Elliptic Crypto functions.
46 o Major work on Elliptic Crypto; ECDH and ECDSA added, including
47 the use through EVP, X509 and ENGINE.
48 o New ASN.1 mini-compiler that's usable through the OpenSSL
49 configuration file.
50 o Added support for ASN.1 indefinite length constructed encoding.
51 o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
52 o Complete rework of shared library construction and linking
53 programs with shared or static libraries, through a separate
54 Makefile.shared.
55 o Rework of the passing of parameters from one Makefile to another.
56 o Changed ENGINE framework to load dynamic engine modules
57 automatically from specifically given directories.
58 o New structure and ASN.1 functions for CertificatePair.
59 o Changed the ZLIB compression method to be stateful.
60 o Changed the key-generation and primality testing "progress"
61 mechanism to take a structure that contains the ticker
62 function and an argument.
63 o New engine module: GMP (performs private key exponentiation).
64 o New engine module: VIA PadLOck ACE extension in VIA C3
65 Nehemiah processors.
66 o Added support for IPv6 addresses in certificate extensions.
67 See RFC 1884, section 2.2.
68 o Added support for certificate policy mappings, policy
69 constraints and name constraints.
70 o Added support for multi-valued AVAs in the OpenSSL
71 configuration file.
72 o Added support for multiple certificates with the same subject
73 in the 'openssl ca' index file.
74 o Make it possible to create self-signed certificates using
75 'openssl ca -selfsign'.
76 o Make it possible to generate a serial number file with
77 'openssl ca -create_serial'.
78 o New binary search functions with extended functionality.
79 o New BUF functions.
80 o New STORE structure and library to provide an interface to all
81 sorts of data repositories. Supports storage of public and
82 private keys, certificates, CRLs, numbers and arbitrary blobs.
83 This library is unfortunately unfinished and unused withing
84 OpenSSL.
85 o New control functions for the error stack.
86 o Changed the PKCS#7 library to support one-pass S/MIME
87 processing.
88 o Added the possibility to compile without old deprecated
89 functionality with the OPENSSL_NO_DEPRECATED macro or the
90 'no-deprecated' argument to the config and Configure scripts.
91 o Constification of all ASN.1 conversion functions, and other
92 affected functions.
93 o Improved platform support for PowerPC.
94 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
95 o New X509_VERIFY_PARAM structure to support parametrisation
96 of X.509 path validation.
97 o Major overhaul of RC4 performance on Intel P4, IA-64 and
98 AMD64.
99 o Changed the Configure script to have some algorithms disabled
100 by default. Those can be explicitely enabled with the new
101 argument form 'enable-xxx'.
102 o Change the default digest in 'openssl' commands from MD5 to
103 SHA-1.
104 o Added support for DTLS.
105 o New BIGNUM blinding.
106 o Added support for the RSA-PSS encryption scheme
107 o Added support for the RSA X.931 padding.
108 o Added support for BSD sockets on NetWare.
109 o Added support for files larger than 2GB.
110 o Added initial support for Win64.
111 o Added alternate pkg-config files.
113 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l:
115 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
116 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
118 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k:
120 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
122 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j:
124 o Visual C++ 2005 fixes.
125 o Update Windows build system for FIPS.
127 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i:
129 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
131 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h:
133 o Fix SSL 2.0 Rollback, CVE-2005-2969
134 o Allow use of fixed-length exponent on DSA signing
135 o Default fixed-window RSA, DSA, DH private-key operations
137 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g:
139 o More compilation issues fixed.
140 o Adaptation to more modern Kerberos API.
141 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
142 o Enhanced x86_64 assembler BIGNUM module.
143 o More constification.
144 o Added processing of proxy certificates (RFC 3820).
146 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f:
148 o Several compilation issues fixed.
149 o Many memory allocation failure checks added.
150 o Improved comparison of X509 Name type.
151 o Mandatory basic checks on certificates.
152 o Performance improvements.
154 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e:
156 o Fix race condition in CRL checking code.
157 o Fixes to PKCS#7 (S/MIME) code.
159 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d:
161 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
162 o Security: Fix null-pointer assignment in do_change_cipher_spec()
163 o Allow multiple active certificates with same subject in CA index
164 o Multiple X509 verification fixes
165 o Speed up HMAC and other operations
167 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c:
169 o Security: fix various ASN1 parsing bugs.
170 o New -ignore_err option to OCSP utility.
171 o Various interop and bug fixes in S/MIME code.
172 o SSL/TLS protocol fix for unrequested client certificates.
174 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b:
176 o Security: counter the Klima-Pokorny-Rosa extension of
177 Bleichbacher's attack
178 o Security: make RSA blinding default.
179 o Configuration: Irix fixes, AIX fixes, better mingw support.
180 o Support for new platforms: linux-ia64-ecc.
181 o Build: shared library support fixes.
182 o ASN.1: treat domainComponent correctly.
183 o Documentation: fixes and additions.
185 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a:
187 o Security: Important security related bugfixes.
188 o Enhanced compatibility with MIT Kerberos.
189 o Can be built without the ENGINE framework.
190 o IA32 assembler enhancements.
191 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
192 o Configuration: the no-err option now works properly.
193 o SSL/TLS: now handles manual certificate chain building.
194 o SSL/TLS: certain session ID malfunctions corrected.
196 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7:
198 o New library section OCSP.
199 o Complete rewrite of ASN1 code.
200 o CRL checking in verify code and openssl utility.
201 o Extension copying in 'ca' utility.
202 o Flexible display options in 'ca' utility.
203 o Provisional support for international characters with UTF8.
204 o Support for external crypto devices ('engine') is no longer
205 a separate distribution.
206 o New elliptic curve library section.
207 o New AES (Rijndael) library section.
208 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
209 Linux x86_64, Linux 64-bit on Sparc v9
210 o Extended support for some platforms: VxWorks
211 o Enhanced support for shared libraries.
212 o Now only builds PIC code when shared library support is requested.
213 o Support for pkg-config.
214 o Lots of new manuals.
215 o Makes symbolic links to or copies of manuals to cover all described
216 functions.
217 o Change DES API to clean up the namespace (some applications link also
218 against libdes providing similar functions having the same name).
219 Provide macros for backward compatibility (will be removed in the
220 future).
221 o Unify handling of cryptographic algorithms (software and engine)
222 to be available via EVP routines for asymmetric and symmetric ciphers.
223 o NCONF: new configuration handling routines.
224 o Change API to use more 'const' modifiers to improve error checking
225 and help optimizers.
226 o Finally remove references to RSAref.
227 o Reworked parts of the BIGNUM code.
228 o Support for new engines: Broadcom ubsec, Accelerated Encryption
229 Processing, IBM 4758.
230 o A few new engines added in the demos area.
231 o Extended and corrected OID (object identifier) table.
232 o PRNG: query at more locations for a random device, automatic query for
233 EGD style random sources at several locations.
234 o SSL/TLS: allow optional cipher choice according to server's preference.
235 o SSL/TLS: allow server to explicitly set new session ids.
236 o SSL/TLS: support Kerberos cipher suites (RFC2712).
237 Only supports MIT Kerberos for now.
238 o SSL/TLS: allow more precise control of renegotiations and sessions.
239 o SSL/TLS: add callback to retrieve SSL/TLS messages.
240 o SSL/TLS: support AES cipher suites (RFC3268).
242 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k:
244 o Security: fix various ASN1 parsing bugs.
245 o SSL/TLS protocol fix for unrequested client certificates.
247 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j:
249 o Security: counter the Klima-Pokorny-Rosa extension of
250 Bleichbacher's attack
251 o Security: make RSA blinding default.
252 o Build: shared library support fixes.
254 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i:
256 o Important security related bugfixes.
258 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h:
260 o New configuration targets for Tandem OSS and A/UX.
261 o New OIDs for Microsoft attributes.
262 o Better handling of SSL session caching.
263 o Better comparison of distinguished names.
264 o Better handling of shared libraries in a mixed GNU/non-GNU environment.
265 o Support assembler code with Borland C.
266 o Fixes for length problems.
267 o Fixes for uninitialised variables.
268 o Fixes for memory leaks, some unusual crashes and some race conditions.
269 o Fixes for smaller building problems.
270 o Updates of manuals, FAQ and other instructive documents.
272 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g:
274 o Important building fixes on Unix.
276 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f:
278 o Various important bugfixes.
280 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e:
282 o Important security related bugfixes.
283 o Various SSL/TLS library bugfixes.
285 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d:
287 o Various SSL/TLS library bugfixes.
288 o Fix DH parameter generation for 'non-standard' generators.
290 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c:
292 o Various SSL/TLS library bugfixes.
293 o BIGNUM library fixes.
294 o RSA OAEP and random number generation fixes.
295 o Object identifiers corrected and added.
296 o Add assembler BN routines for IA64.
297 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
298 MIPS Linux; shared library support for Irix, HP-UX.
299 o Add crypto accelerator support for AEP, Baltimore SureWare,
300 Broadcom and Cryptographic Appliance's keyserver
301 [in 0.9.6c-engine release].
303 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b:
305 o Security fix: PRNG improvements.
306 o Security fix: RSA OAEP check.
307 o Security fix: Reinsert and fix countermeasure to Bleichbacher's
308 attack.
309 o MIPS bug fix in BIGNUM.
310 o Bug fix in "openssl enc".
311 o Bug fix in X.509 printing routine.
312 o Bug fix in DSA verification routine and DSA S/MIME verification.
313 o Bug fix to make PRNG thread-safe.
314 o Bug fix in RAND_file_name().
315 o Bug fix in compatibility mode trust settings.
316 o Bug fix in blowfish EVP.
317 o Increase default size for BIO buffering filter.
318 o Compatibility fixes in some scripts.
320 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a:
322 o Security fix: change behavior of OpenSSL to avoid using
323 environment variables when running as root.
324 o Security fix: check the result of RSA-CRT to reduce the
325 possibility of deducing the private key from an incorrectly
326 calculated signature.
327 o Security fix: prevent Bleichenbacher's DSA attack.
328 o Security fix: Zero the premaster secret after deriving the
329 master secret in DH ciphersuites.
330 o Reimplement SSL_peek(), which had various problems.
331 o Compatibility fix: the function des_encrypt() renamed to
332 des_encrypt1() to avoid clashes with some Unixen libc.
333 o Bug fixes for Win32, HP/UX and Irix.
334 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
335 memory checking routines.
336 o Bug fixes for RSA operations in threaded environments.
337 o Bug fixes in misc. openssl applications.
338 o Remove a few potential memory leaks.
339 o Add tighter checks of BIGNUM routines.
340 o Shared library support has been reworked for generality.
341 o More documentation.
342 o New function BN_rand_range().
343 o Add "-rand" option to openssl s_client and s_server.
345 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6:
347 o Some documentation for BIO and SSL libraries.
348 o Enhanced chain verification using key identifiers.
349 o New sign and verify options to 'dgst' application.
350 o Support for DER and PEM encoded messages in 'smime' application.
351 o New 'rsautl' application, low level RSA utility.
352 o MD4 now included.
353 o Bugfix for SSL rollback padding check.
354 o Support for external crypto devices [1].
355 o Enhanced EVP interface.
357 [1] The support for external crypto devices is currently a separate
358 distribution. See the file README.ENGINE.
360 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a:
362 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
363 o Shared library support for HPUX and Solaris-gcc
364 o Support of Linux/IA64
365 o Assembler support for Mingw32
366 o New 'rand' application
367 o New way to check for existence of algorithms from scripts
369 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5:
371 o S/MIME support in new 'smime' command
372 o Documentation for the OpenSSL command line application
373 o Automation of 'req' application
374 o Fixes to make s_client, s_server work under Windows
375 o Support for multiple fieldnames in SPKACs
376 o New SPKAC command line utilty and associated library functions
377 o Options to allow passwords to be obtained from various sources
378 o New public key PEM format and options to handle it
379 o Many other fixes and enhancements to command line utilities
380 o Usable certificate chain verification
381 o Certificate purpose checking
382 o Certificate trust settings
383 o Support of authority information access extension
384 o Extensions in certificate requests
385 o Simplified X509 name and attribute routines
386 o Initial (incomplete) support for international character sets
387 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
388 o Read only memory BIOs and simplified creation function
389 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
390 record; allow fragmentation and interleaving of handshake and other
391 data
392 o TLS/SSL code now "tolerates" MS SGC
393 o Work around for Netscape client certificate hang bug
394 o RSA_NULL option that removes RSA patent code but keeps other
395 RSA functionality
396 o Memory leak detection now allows applications to add extra information
397 via a per-thread stack
398 o PRNG robustness improved
399 o EGD support
400 o BIGNUM library bug fixes
401 o Faster DSA parameter generation
402 o Enhanced support for Alpha Linux
403 o Experimental MacOS support
405 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4:
407 o Transparent support for PKCS#8 format private keys: these are used
408 by several software packages and are more secure than the standard
409 form
410 o PKCS#5 v2.0 implementation
411 o Password callbacks have a new void * argument for application data
412 o Avoid various memory leaks
413 o New pipe-like BIO that allows using the SSL library when actual I/O
414 must be handled by the application (BIO pair)
416 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3:
417 o Lots of enhancements and cleanups to the Configuration mechanism
418 o RSA OEAP related fixes
419 o Added `openssl ca -revoke' option for revoking a certificate
420 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
421 o Source tree cleanups: removed lots of obsolete files
422 o Thawte SXNet, certificate policies and CRL distribution points
423 extension support
424 o Preliminary (experimental) S/MIME support
425 o Support for ASN.1 UTF8String and VisibleString
426 o Full integration of PKCS#12 code
427 o Sparc assembler bignum implementation, optimized hash functions
428 o Option to disable selected ciphers
430 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b:
431 o Fixed a security hole related to session resumption
432 o Fixed RSA encryption routines for the p < q case
433 o "ALL" in cipher lists now means "everything except NULL ciphers"
434 o Support for Triple-DES CBCM cipher
435 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
436 o First support for new TLSv1 ciphers
437 o Added a few new BIOs (syslog BIO, reliable BIO)
438 o Extended support for DSA certificate/keys.
439 o Extended support for Certificate Signing Requests (CSR)
440 o Initial support for X.509v3 extensions
441 o Extended support for compression inside the SSL record layer
442 o Overhauled Win32 builds
443 o Cleanups and fixes to the Big Number (BN) library
444 o Support for ASN.1 GeneralizedTime
445 o Splitted ASN.1 SETs from SEQUENCEs
446 o ASN1 and PEM support for Netscape Certificate Sequences
447 o Overhauled Perl interface
448 o Lots of source tree cleanups.
449 o Lots of memory leak fixes.
450 o Lots of bug fixes.
452 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c:
453 o Integration of the popular NO_RSA/NO_DSA patches
454 o Initial support for compression inside the SSL record layer
455 o Added BIO proxy and filtering functionality
456 o Extended Big Number (BN) library
457 o Added RIPE MD160 message digest
458 o Addeed support for RC2/64bit cipher
459 o Extended ASN.1 parser routines
460 o Adjustations of the source tree for CVS
461 o Support for various new platforms