Import OpenSSL 0.9.8l
[dragonfly.git] / crypto / openssl / 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 0.9.8k and OpenSSL 0.9.8l:
10 o Ban renegotiation.
12 Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k:
14 o Fix various build issues.
15 o Fix security issues (CVE-2009-0590, CVE-2009-0591, CVE-2009-0789)
17 Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j:
19 o Fix security issue (CVE-2008-5077)
20 o Merge FIPS 140-2 branch code.
22 Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h:
24 o CryptoAPI ENGINE support.
25 o Various precautionary measures.
26 o Fix for bugs affecting certificate request creation.
27 o Support for local machine keyset attribute in PKCS#12 files.
29 Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g:
683caddb 31 o Backport of CMS functionality to 0.9.8.
32 o Fixes for bugs introduced with 0.9.8f.
34 Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f:
36 o Add gcc 4.2 support.
37 o Add support for AES and SSE2 assembly lanugauge optimization
38 for VC++ build.
39 o Support for RFC4507bis and server name extensions if explicitly
40 selected at compile time.
41 o DTLS improvements.
42 o RFC4507bis support.
43 o TLS Extensions support.
45 Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e:
47 o Various ciphersuite selection fixes.
48 o RFC3779 support.
50 Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d:
52 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
53 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
54 o Changes to ciphersuite selection algorithm
56 Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c:
58 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
59 o New cipher Camellia
61 Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b:
63 o Cipher string fixes.
64 o Fixes for VC++ 2005.
65 o Updated ECC cipher suite support.
66 o New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
67 o Zlib compression usage fixes.
68 o Built in dynamic engine compilation support on Win32.
69 o Fixes auto dynamic engine loading in Win32.
71 Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a:
74093195 73 o Fix potential SSL 2.0 rollback, CVE-2005-2969
74 o Extended Windows CE support
76 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8:
78 o Major work on the BIGNUM library for higher efficiency and to
79 make operations more streamlined and less contradictory. This
80 is the result of a major audit of the BIGNUM library.
81 o Addition of BIGNUM functions for fields GF(2^m) and NIST
82 curves, to support the Elliptic Crypto functions.
83 o Major work on Elliptic Crypto; ECDH and ECDSA added, including
84 the use through EVP, X509 and ENGINE.
85 o New ASN.1 mini-compiler that's usable through the OpenSSL
86 configuration file.
87 o Added support for ASN.1 indefinite length constructed encoding.
88 o New PKCS#12 'medium level' API to manipulate PKCS#12 files.
89 o Complete rework of shared library construction and linking
90 programs with shared or static libraries, through a separate
91 Makefile.shared.
92 o Rework of the passing of parameters from one Makefile to another.
93 o Changed ENGINE framework to load dynamic engine modules
94 automatically from specifically given directories.
95 o New structure and ASN.1 functions for CertificatePair.
96 o Changed the ZLIB compression method to be stateful.
97 o Changed the key-generation and primality testing "progress"
98 mechanism to take a structure that contains the ticker
99 function and an argument.
100 o New engine module: GMP (performs private key exponentiation).
101 o New engine module: VIA PadLOck ACE extension in VIA C3
102 Nehemiah processors.
103 o Added support for IPv6 addresses in certificate extensions.
104 See RFC 1884, section 2.2.
105 o Added support for certificate policy mappings, policy
106 constraints and name constraints.
107 o Added support for multi-valued AVAs in the OpenSSL
108 configuration file.
109 o Added support for multiple certificates with the same subject
110 in the 'openssl ca' index file.
111 o Make it possible to create self-signed certificates using
112 'openssl ca -selfsign'.
113 o Make it possible to generate a serial number file with
114 'openssl ca -create_serial'.
115 o New binary search functions with extended functionality.
116 o New BUF functions.
117 o New STORE structure and library to provide an interface to all
118 sorts of data repositories. Supports storage of public and
119 private keys, certificates, CRLs, numbers and arbitrary blobs.
120 This library is unfortunately unfinished and unused withing
121 OpenSSL.
122 o New control functions for the error stack.
123 o Changed the PKCS#7 library to support one-pass S/MIME
124 processing.
125 o Added the possibility to compile without old deprecated
126 functionality with the OPENSSL_NO_DEPRECATED macro or the
127 'no-deprecated' argument to the config and Configure scripts.
128 o Constification of all ASN.1 conversion functions, and other
129 affected functions.
130 o Improved platform support for PowerPC.
131 o New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
132 o New X509_VERIFY_PARAM structure to support parametrisation
133 of X.509 path validation.
134 o Major overhaul of RC4 performance on Intel P4, IA-64 and
135 AMD64.
136 o Changed the Configure script to have some algorithms disabled
137 by default. Those can be explicitely enabled with the new
138 argument form 'enable-xxx'.
139 o Change the default digest in 'openssl' commands from MD5 to
140 SHA-1.
141 o Added support for DTLS.
142 o New BIGNUM blinding.
143 o Added support for the RSA-PSS encryption scheme
144 o Added support for the RSA X.931 padding.
145 o Added support for BSD sockets on NetWare.
146 o Added support for files larger than 2GB.
147 o Added initial support for Win64.
148 o Added alternate pkg-config files.
150 Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l:
152 o Introduce limits to prevent malicious key DoS (CVE-2006-2940)
153 o Fix security issues (CVE-2006-2937, CVE-2006-3737, CVE-2006-4343)
155 Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k:
157 o Fix Daniel Bleichenbacher forged signature attack, CVE-2006-4339
159 Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j:
161 o Visual C++ 2005 fixes.
162 o Update Windows build system for FIPS.
164 Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i:
166 o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
168 Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h:
170 o Fix SSL 2.0 Rollback, CVE-2005-2969
171 o Allow use of fixed-length exponent on DSA signing
172 o Default fixed-window RSA, DSA, DH private-key operations
174 Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g:
176 o More compilation issues fixed.
177 o Adaptation to more modern Kerberos API.
178 o Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
179 o Enhanced x86_64 assembler BIGNUM module.
180 o More constification.
181 o Added processing of proxy certificates (RFC 3820).
183 Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f:
185 o Several compilation issues fixed.
186 o Many memory allocation failure checks added.
187 o Improved comparison of X509 Name type.
188 o Mandatory basic checks on certificates.
189 o Performance improvements.
191 Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e:
193 o Fix race condition in CRL checking code.
194 o Fixes to PKCS#7 (S/MIME) code.
196 Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d:
198 o Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
199 o Security: Fix null-pointer assignment in do_change_cipher_spec()
200 o Allow multiple active certificates with same subject in CA index
201 o Multiple X509 verification fixes
202 o Speed up HMAC and other operations
204 Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c:
206 o Security: fix various ASN1 parsing bugs.
207 o New -ignore_err option to OCSP utility.
208 o Various interop and bug fixes in S/MIME code.
209 o SSL/TLS protocol fix for unrequested client certificates.
211 Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b:
213 o Security: counter the Klima-Pokorny-Rosa extension of
214 Bleichbacher's attack
215 o Security: make RSA blinding default.
216 o Configuration: Irix fixes, AIX fixes, better mingw support.
217 o Support for new platforms: linux-ia64-ecc.
218 o Build: shared library support fixes.
219 o ASN.1: treat domainComponent correctly.
220 o Documentation: fixes and additions.
222 Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a:
224 o Security: Important security related bugfixes.
225 o Enhanced compatibility with MIT Kerberos.
226 o Can be built without the ENGINE framework.
227 o IA32 assembler enhancements.
228 o Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
229 o Configuration: the no-err option now works properly.
230 o SSL/TLS: now handles manual certificate chain building.
231 o SSL/TLS: certain session ID malfunctions corrected.
233 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7:
235 o New library section OCSP.
236 o Complete rewrite of ASN1 code.
237 o CRL checking in verify code and openssl utility.
238 o Extension copying in 'ca' utility.
239 o Flexible display options in 'ca' utility.
240 o Provisional support for international characters with UTF8.
241 o Support for external crypto devices ('engine') is no longer
242 a separate distribution.
243 o New elliptic curve library section.
244 o New AES (Rijndael) library section.
245 o Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
246 Linux x86_64, Linux 64-bit on Sparc v9
247 o Extended support for some platforms: VxWorks
248 o Enhanced support for shared libraries.
249 o Now only builds PIC code when shared library support is requested.
250 o Support for pkg-config.
251 o Lots of new manuals.
252 o Makes symbolic links to or copies of manuals to cover all described
253 functions.
254 o Change DES API to clean up the namespace (some applications link also
255 against libdes providing similar functions having the same name).
256 Provide macros for backward compatibility (will be removed in the
257 future).
258 o Unify handling of cryptographic algorithms (software and engine)
259 to be available via EVP routines for asymmetric and symmetric ciphers.
260 o NCONF: new configuration handling routines.
261 o Change API to use more 'const' modifiers to improve error checking
262 and help optimizers.
263 o Finally remove references to RSAref.
264 o Reworked parts of the BIGNUM code.
265 o Support for new engines: Broadcom ubsec, Accelerated Encryption
266 Processing, IBM 4758.
267 o A few new engines added in the demos area.
268 o Extended and corrected OID (object identifier) table.
269 o PRNG: query at more locations for a random device, automatic query for
270 EGD style random sources at several locations.
271 o SSL/TLS: allow optional cipher choice according to server's preference.
272 o SSL/TLS: allow server to explicitly set new session ids.
273 o SSL/TLS: support Kerberos cipher suites (RFC2712).
274 Only supports MIT Kerberos for now.
275 o SSL/TLS: allow more precise control of renegotiations and sessions.
276 o SSL/TLS: add callback to retrieve SSL/TLS messages.
277 o SSL/TLS: support AES cipher suites (RFC3268).
279 Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k:
281 o Security: fix various ASN1 parsing bugs.
282 o SSL/TLS protocol fix for unrequested client certificates.
284 Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j:
286 o Security: counter the Klima-Pokorny-Rosa extension of
287 Bleichbacher's attack
288 o Security: make RSA blinding default.
289 o Build: shared library support fixes.
291 Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i:
293 o Important security related bugfixes.
295 Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h:
297 o New configuration targets for Tandem OSS and A/UX.
298 o New OIDs for Microsoft attributes.
299 o Better handling of SSL session caching.
300 o Better comparison of distinguished names.
301 o Better handling of shared libraries in a mixed GNU/non-GNU environment.
302 o Support assembler code with Borland C.
303 o Fixes for length problems.
304 o Fixes for uninitialised variables.
305 o Fixes for memory leaks, some unusual crashes and some race conditions.
306 o Fixes for smaller building problems.
307 o Updates of manuals, FAQ and other instructive documents.
309 Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g:
311 o Important building fixes on Unix.
313 Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f:
315 o Various important bugfixes.
317 Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e:
319 o Important security related bugfixes.
320 o Various SSL/TLS library bugfixes.
322 Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d:
324 o Various SSL/TLS library bugfixes.
325 o Fix DH parameter generation for 'non-standard' generators.
327 Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c:
329 o Various SSL/TLS library bugfixes.
330 o BIGNUM library fixes.
331 o RSA OAEP and random number generation fixes.
332 o Object identifiers corrected and added.
333 o Add assembler BN routines for IA64.
334 o Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
335 MIPS Linux; shared library support for Irix, HP-UX.
336 o Add crypto accelerator support for AEP, Baltimore SureWare,
337 Broadcom and Cryptographic Appliance's keyserver
338 [in 0.9.6c-engine release].
340 Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b:
342 o Security fix: PRNG improvements.
343 o Security fix: RSA OAEP check.
344 o Security fix: Reinsert and fix countermeasure to Bleichbacher's
345 attack.
346 o MIPS bug fix in BIGNUM.
347 o Bug fix in "openssl enc".
348 o Bug fix in X.509 printing routine.
349 o Bug fix in DSA verification routine and DSA S/MIME verification.
350 o Bug fix to make PRNG thread-safe.
351 o Bug fix in RAND_file_name().
352 o Bug fix in compatibility mode trust settings.
353 o Bug fix in blowfish EVP.
354 o Increase default size for BIO buffering filter.
355 o Compatibility fixes in some scripts.
357 Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a:
359 o Security fix: change behavior of OpenSSL to avoid using
360 environment variables when running as root.
361 o Security fix: check the result of RSA-CRT to reduce the
362 possibility of deducing the private key from an incorrectly
363 calculated signature.
364 o Security fix: prevent Bleichenbacher's DSA attack.
365 o Security fix: Zero the premaster secret after deriving the
366 master secret in DH ciphersuites.
367 o Reimplement SSL_peek(), which had various problems.
368 o Compatibility fix: the function des_encrypt() renamed to
369 des_encrypt1() to avoid clashes with some Unixen libc.
370 o Bug fixes for Win32, HP/UX and Irix.
371 o Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
372 memory checking routines.
373 o Bug fixes for RSA operations in threaded environments.
374 o Bug fixes in misc. openssl applications.
375 o Remove a few potential memory leaks.
376 o Add tighter checks of BIGNUM routines.
377 o Shared library support has been reworked for generality.
378 o More documentation.
379 o New function BN_rand_range().
380 o Add "-rand" option to openssl s_client and s_server.
382 Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6:
384 o Some documentation for BIO and SSL libraries.
385 o Enhanced chain verification using key identifiers.
386 o New sign and verify options to 'dgst' application.
387 o Support for DER and PEM encoded messages in 'smime' application.
388 o New 'rsautl' application, low level RSA utility.
389 o MD4 now included.
390 o Bugfix for SSL rollback padding check.
391 o Support for external crypto devices [1].
392 o Enhanced EVP interface.
394 [1] The support for external crypto devices is currently a separate
395 distribution. See the file README.ENGINE.
397 Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a:
399 o Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
400 o Shared library support for HPUX and Solaris-gcc
401 o Support of Linux/IA64
402 o Assembler support for Mingw32
403 o New 'rand' application
404 o New way to check for existence of algorithms from scripts
406 Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5:
408 o S/MIME support in new 'smime' command
409 o Documentation for the OpenSSL command line application
410 o Automation of 'req' application
411 o Fixes to make s_client, s_server work under Windows
412 o Support for multiple fieldnames in SPKACs
413 o New SPKAC command line utilty and associated library functions
414 o Options to allow passwords to be obtained from various sources
415 o New public key PEM format and options to handle it
416 o Many other fixes and enhancements to command line utilities
417 o Usable certificate chain verification
418 o Certificate purpose checking
419 o Certificate trust settings
420 o Support of authority information access extension
421 o Extensions in certificate requests
422 o Simplified X509 name and attribute routines
423 o Initial (incomplete) support for international character sets
424 o New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
425 o Read only memory BIOs and simplified creation function
426 o TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
427 record; allow fragmentation and interleaving of handshake and other
428 data
429 o TLS/SSL code now "tolerates" MS SGC
430 o Work around for Netscape client certificate hang bug
431 o RSA_NULL option that removes RSA patent code but keeps other
432 RSA functionality
433 o Memory leak detection now allows applications to add extra information
434 via a per-thread stack
435 o PRNG robustness improved
436 o EGD support
437 o BIGNUM library bug fixes
438 o Faster DSA parameter generation
439 o Enhanced support for Alpha Linux
440 o Experimental MacOS support
442 Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4:
444 o Transparent support for PKCS#8 format private keys: these are used
445 by several software packages and are more secure than the standard
446 form
447 o PKCS#5 v2.0 implementation
448 o Password callbacks have a new void * argument for application data
449 o Avoid various memory leaks
450 o New pipe-like BIO that allows using the SSL library when actual I/O
451 must be handled by the application (BIO pair)
453 Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3:
454 o Lots of enhancements and cleanups to the Configuration mechanism
455 o RSA OEAP related fixes
456 o Added `openssl ca -revoke' option for revoking a certificate
457 o Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
458 o Source tree cleanups: removed lots of obsolete files
459 o Thawte SXNet, certificate policies and CRL distribution points
460 extension support
461 o Preliminary (experimental) S/MIME support
462 o Support for ASN.1 UTF8String and VisibleString
463 o Full integration of PKCS#12 code
464 o Sparc assembler bignum implementation, optimized hash functions
465 o Option to disable selected ciphers
467 Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b:
468 o Fixed a security hole related to session resumption
469 o Fixed RSA encryption routines for the p < q case
470 o "ALL" in cipher lists now means "everything except NULL ciphers"
471 o Support for Triple-DES CBCM cipher
472 o Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
473 o First support for new TLSv1 ciphers
474 o Added a few new BIOs (syslog BIO, reliable BIO)
475 o Extended support for DSA certificate/keys.
476 o Extended support for Certificate Signing Requests (CSR)
477 o Initial support for X.509v3 extensions
478 o Extended support for compression inside the SSL record layer
479 o Overhauled Win32 builds
480 o Cleanups and fixes to the Big Number (BN) library
481 o Support for ASN.1 GeneralizedTime
482 o Splitted ASN.1 SETs from SEQUENCEs
483 o ASN1 and PEM support for Netscape Certificate Sequences
484 o Overhauled Perl interface
485 o Lots of source tree cleanups.
486 o Lots of memory leak fixes.
487 o Lots of bug fixes.
489 Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c:
490 o Integration of the popular NO_RSA/NO_DSA patches
491 o Initial support for compression inside the SSL record layer
492 o Added BIO proxy and filtering functionality
493 o Extended Big Number (BN) library
494 o Added RIPE MD160 message digest
495 o Addeed support for RC2/64bit cipher
496 o Extended ASN.1 parser routines
497 o Adjustations of the source tree for CVS
498 o Support for various new platforms