path: root/doc/log.txt

* 1.9.11-dev, ????-??-??
 - Many SSL/TLS APIs have changed. This API is still unstable.
 - The SSL interface requires TR1 (uses std::tr1::function)
 - Fix SSL handshake failures when using RC4 ciphersuites
 - Fix a number of CRL encoding and decoding bugs
 - Code where u32bit was used to represent a length now uses size_t
 - Use small tables in the first round of AES
 - Removed AES class: app must choose AES-128, AES-192, or AES-256
 - Add hex encoding/decoding functions that can be used without a Pipe
 - Add base64 encoding functions that can be used without a Pipe
 - Add support for dynamic engine loading on Windows
 - Replace BlockCipher::BLOCK_SIZE attribute with function block_size()
 - Replace HashFunction::HASH_BLOCK_SIZE attribute with hash_block_size()
 - Changed semantics of MemoryRegion::resize and clear to match STL
 - Removed MemoryRegion::append, replaced by push_back and operator+=
 - Move PBKDF lookup to engine system
 - Add Algorithm and Key_Length_Specification classes
 - Switch default PKCS #8 encryption algorithm from AES-128 to AES-256
 - Update Skein-512 to match the v1.3 specification
 - Allow using PBKDF2 with empty passphrases
 - Support use of HMAC(SHA-256) and CMAC(Blowfish) in passhash9
 - Improve support for Intel Atom processors
 - Fix compilation under Sun Studio

* 1.8.11, 2010-11-02
 - Fix a number of CRL encoding and decoding bugs
 - When building a debug library under VC++, use the debug runtime
 - Fix compilation under Sun Studio on Linux and Solaris
 - Add several functions for compatability with 1.9
 - In the examples, read most input files as binary
 - The Perl build script has been removed in this release

* 1.8.10, 2010-08-31
 - Switch default PKCS #8 encryption algorithm from 3DES to AES-256
 - Increase default hash iterations from 2048 to 10000 in PBES1 and PBES2
 - Use small tables in the first round of AES
 - Add PBKDF typedef and get_pbkdf for better compatability with 1.9
 - Add version of S2K::derive_key taking salt and iteration count
 - Enable the /proc-walking entropy source on NetBSD
 - Fix the doxygen makefile target

* 1.9.10, 2010-08-12
 - Add a constant time AES implementation using SSSE3
 - Add support for loading new Engines at runtime
 - Use GCC byteswap intrinsics where possible
 - Drop support for building with Python 2.4
 - Fix benchmarking of block ciphers in ECB mode
 - Consolidate the two x86 assembly engines
 - Rename S2K to PBKDF

* 1.9.9, 2010-06-28
 - Add new X509::BER_encode and PKCS8::BER_encode
 - Give all Filter objects a name() function
 - Add Keyed_Filter::valid_iv_length
 - Increase default iteration counts for private key encryption
 - Fix compilation of mp_asm64 on 64-bit MIPS with GCC 4.4 and later
 - Fix compilation under Apple's GCC 4.2
 - Expand and update the Doxygen documentation

* 1.8.9, 2010-06-16
 - Use constant time multiplication in IDEA
 - Avoid possible timing attack against OAEP decoding
 - Add new X509::BER_encode and PKCS8::BER_encode
 - Enable DLL builds under Windows
 - Add Win32 installer support
 - Add support for the Clang compiler
 - Fix problem in semcem.h preventing build under Clang or GCC 3.4
 - Fix bug that prevented creation of DSA groups under 1024 bits
 - Fix crash in GMP_Engine if library is shutdown and reinitialized
 - Work around problem with recent binutils in x86-64 SHA-1
 - The Perl build script is no longer supported and refuses to run by default

* 1.9.8, 2010-06-14
 - Add support for wide multiplications on 64-bit Windows
 - Use constant time multiplication in IDEA
 - Avoid possible timing attack against OAEP decoding
 - Removed FORK-256; rarely used and it has been broken
 - Rename --use-boost-python to --with-boost-python
 - Skip building shared libraries on MinGW/Cygwin
 - Fix creation of 512 and 768 bit DL groups using the DSA kosherizer
 - Fix compilation on GCC versions before 4.3 (missing cpuid.h)
 - Fix compilation under the Clang compiler

* 1.9.7, 2010-04-27
 - TLS: Support reading SSLv2 client hellos
 - TLS: Add support for SEED ciphersuites (RFC 4162)
 - Add Comb4P hash combiner function
 - Fix checking of EMSA_Raw signatures with leading 0 bytes

* 1.9.6, 2010-04-09
 - TLS: Add support for TLS v1.1
 - TLS: Support server name indicator extension
 - TLS: Fix server handshake
 - TLS: Fix server using DSA certificates
 - TLS: Avoid timing channel between CBC padding check and MAC verification

* 1.9.5, 2010-03-29
 - Numerous ECC optimizations
 - Fix GOST 34.10-2001 X.509 key loading
 - Allow PK_Signer's fault protection checks to be toggled off
 - Avoid using pool-based locking allocator if we can't mlock
 - Remove all runtime options
 - New BER_Decoder::{decode_and_check, decode_octet_string_bigint}
 - Remove SecureBuffer in favor of SecureVector length parameter
 - HMAC_RNG: Perform a poll along with user-supplied entropy
 - Fix crash in MemoryRegion if Allocator::get failed
 - Fix small compilation problem on FreeBSD

* 1.9.4, 2010-03-09
 - Add the Ajisai SSLv3/TLSv1.0 implementation
 - Add GOST 34.10-2001 public key signature scheme
 - Add SIMD implementation of Noekeon
 - Add SSE2 implementation of IDEA
 - Extend Salsa20 to support longer IVs (XSalsa20)
 - Perform XTS encryption and decryption in parallel where possible
 - Perform CBC decryption in parallel where possible
 - Add SQLite3 db encryption codec, contributed by Olivier de Gaalon
 - Add a block cipher cascade construction
 - Add support for password hashing for authentication (passhash9.h)
 - Add support for Win32 high resolution system timers
 - Major refactoring and API changes in the public key code
 - Use consistency checking (anti-fault attack) for all signature schemes
 - Changed S2K interface: derive_key now takes salt, iteration count
 - Remove dependency on TR1 for ECC and CVC code
 - Renamed ECKAEG to its more usual name, ECDH
 - Fix crash in GMP_Engine if library is shutdown and reinitialized
 - Fix an invalid memory read in MD4
 - Fix Visual C++ static builds
 - Remove Timer class entirely
 - Switch default PKCS #8 encryption algorithm from 3DES to AES-128
 - New option --gen-amalgamation for creating a SQLite-style amalgamation
 - Many headers are now explicitly internal-use-only and are not installed
 - Greatly improve the Win32 installer
 - Several fixes for Visual C++ debug builds

* 1.9.3, 2009-11-19
 - Add new AES implementation using Intel's AES instruction intrinsics
 - Add an implementation of format preserving encryption
 - Allow use of any hash function in X.509 certificate creation
 - Optimizations for MARS, Skipjack, and AES
 - Set macros for available SIMD instructions in build.h
 - Add support for using InnoSetup to package Windows builds
 - By default build a DLL on Windows

* 1.9.2, 2009-11-03
 - Add SIMD version of XTEA
 - Support both SSE2 and AltiVec SIMD for Serpent and XTEA
 - Optimizations for SHA-1 and SHA-2
 - Add AltiVec runtime detection
 - Fix x86 CPU identification with Intel C++ and Visual C++

* 1.8.8, 2009-11-03
 - Alter Skein-512 to match the tweaked 1.2 specification
 - Fix use of inline asm for access to x86 bswap function
 - Allow building the library without AES enabled
 - Add 'powerpc64' alias to ppc64 arch for Gentoo ebuild

* 1.9.1, 2009-10-23
 - Better support for Python and Perl wrappers
 - Add an implementation of Blue Midnight Wish (Round 2 tweak version)
 - Modify Skein-512 to match the tweaked 1.2 specification
 - Add threshold secret sharing (draft-mcgrew-tss-02)
 - Add runtime cpu feature detection for x86/x86-64
 - Add code for general runtime self testing for hashes, MACs, and ciphers
 - Optimize XTEA; twice as fast as before on Core2 and Opteron
 - Convert CTR_BE and OFB from filters to stream ciphers
 - New parsing code for SCAN algorithm names
 - Enable SSE2 optimizations under Visual C++
 - Remove all use of C++ exception specifications
 - Add support for GNU/Hurd and Clang/LLVM

* 1.9.0, 2009-09-09
 - Add support for parallel invocation of block ciphers where possible
 - Add SSE2 implementation of Serpent
 - Add Rivest's package transform (an all or nothing transform)
 - Minor speedups to the Turing key schedule
 - Fix processing multiple messages in XTS mode
 - Add --no-autoload option to configure.py, for minimized builds
 - The previously used configure.pl script is no longer supported

* 1.8.7, 2009-09-09
 - Fix processing multiple messages in XTS mode
 - Add --no-autoload option to configure.py, for minimized builds

* 1.8.6, 2009-08-13
 - Add Cryptobox, a set of simple password-based encryption routines
 - Only read world-readable files when walking /proc for entropy
 - Fix building with TR1 disabled
 - Fix x86 bswap support for Visual C++
 - Fixes for compilation under Sun C++
 - Add support for Dragonfly BSD (contributed by Patrick Georgi)
 - Add support for the Open64 C++ compiler
 - Build fixes for MIPS systems running Linux
 - Minor changes to license, now equivalent to the FreeBSD/NetBSD license

* 1.8.5, 2009-07-23
 - Change configure.py to work on stock Python 2.4
 - Avoid a crash in Skein_512::add_data processing a zero-length input
 - Small build fixes for SPARC, ARM, and HP-PA processors
 - The test suite now returns an error code from main() if any tests failed

* 1.8.4, 2009-07-12
 - Fix a bug in nonce generation in the Miller-Rabin test

* 1.8.3, 2009-07-11
 - Add a new Python configuration script
 - Add the Skein-512 SHA-3 candidate hash function
 - Add the XTS block cipher mode from IEEE P1619
 - Fix random_prime when generating a prime of less than 7 bits
 - Improve handling of low-entropy situations during PRNG seeding
 - Change random device polling to prefer /dev/urandom over /dev/random
 - Use an input insensitive implementation of same_mem instead of memcmp
 - Correct DataSource::discard_next to return the number of discarded bytes
 - Provide a default value for AutoSeeded_RNG::reseed
 - Fix Gentoo bug 272242

* 1.8.2, 2009-04-07
 - Make entropy polling more flexible and in most cases faster
 - GOST 28147 now supports multiple sbox parameters
 - Added the GOST 34.11 hash function
 - Fix botan-config problems on MacOS X

* 1.8.1, 2009-01-20
 - Avoid a valgrind warning in es_unix.cpp on 32-bit Linux
 - Fix memory leak in PKCS8 load_key and encrypt_key
 - Relicense api.tex from CC-By-SA 2.5 to BSD
 - Fix botan-config on MacOS X, Solaris

* 1.8.0, 2008-12-08
 - Fix compilation on Solaris with GCC

* 1.7.24, 2008-12-01
 - Fix a compatibility problem with SHA-512/EMSA3 signature padding
 - Fix bug preventing EGD/PRNGD entropy poller from working
 - Fix integer overflow in Pooling_Allocator::get_more_core (bug id #27)
 - Add EMSA3_Raw, a variant of EMSA3 called CKM_RSA_PKCS in PKCS #11
 - Add support for SHA-224 in EMSA2 and EMSA3 PK signature padding schemes
 - Add many more test vectors for RSA with EMSA2, EMSA3, and EMSA4
 - Wrap private structs in SSE2 SHA-1 code in anonymous namespace
 - Change configure.pl's CPU autodetection output to be more consistent
 - Disable using OpenSSL's AES due to crashes of unknown cause
 - Fix warning in /proc walking entropy poller
 - Fix compilation with IBM XLC for Cell 0.9-200709

* 1.7.23, 2008-11-23
 - Change to use TR1 (thus enabling ECDSA) with GCC and ICC
 - Optimize almost all hash functions, especially MD4 and Tiger
 - Add configure.pl options --{with,without}-{bzip2,zlib,openssl,gnump}
 - Change Timer to be pure virtual, and add ANSI_Clock_Timer
 - Cache socket descriptors in the EGD entropy source
 - Avoid bogging down startup in /proc walking entropy source
 - Remove Buffered_EntropySource helper class
 - Add a Default_Benchmark_Timer typedef in benchmark.h
 - Add examples using benchmark.h and Algorithm_Factory
 - Add ECC tests from InSiTo
 - Minor documentation updates

* 1.7.22, 2008-11-17
 - Add provider preferences to Algorithm_Factory
 - Fix memory leaks in PBE_PKCS5v20 and get_pbe introduced in 1.7.21
 - Optimize AES encryption and decryption (about 10% faster)
 - Enable SSE2 optimized SHA-1 implementation on Intel Prescott CPUs
 - Fix nanoseconds overflow in benchmark code
 - Remove Engine::add_engine

* 1.7.21, 2008-11-11
 - Make algorithm lookup much more configuable
 - Add facilities for runtime performance testing of algorithms
 - Drop use of entropy estimation in the PRNGs
 - Increase intervals between HMAC_RNG automatic reseeding
 - Drop InitializerOptions class, all options but thread safety

* 1.7.20, 2008-11-09
 - Namespace pkg-config file by major and minor versions
 - Cache device descriptors in Device_EntropySource
 - Split base.h into {block_cipher,stream_cipher,mac,hash}.h
 - Removed get_mgf function from lookup.h

* 1.7.19, 2008-11-06
 - Add HMAC_RNG, based on a design by Hugo Krawczyk
 - Optimized the Turing stream cipher (about 20% faster on x86-64)
 - Modify Randpool's reseeding algorithm to poll more sources
 - Add a new AutoSeeded_RNG in auto_rng.h
 - OpenPGP_S2K changed to take hash object instead of name
 - Add automatic identification for Intel's Prescott processors

* 1.7.18, 2008-10-22
 - Add Doxygen comments from InSiTo
 - Add ECDSA and ECKAEG benchmarks
 - Add configure.pl switch --with-tr1-implementation
 - Fix configure.pl's --with-endian and --with-unaligned-mem options
 - Added support for pkg-config
 - Optimize byteswap with x86 inline asm for Visual C++ by Yves Jerschow
 - Use const references to avoid copying overhead in CurveGFp, GFpModulus

* 1.7.17, 2008-10-12
 - Add missing ECDSA object identifiers
 - Fix error in x86 and x86-64 assembler affecting GF(p) math
 - Remove Boost dependency from GF(p) math
 - Modify botan-config to not print -L/usr/lib or -L/usr/local/lib
 - Add BOTAN_DLL macro to over 30 classes missing it
 - Rename the two SHA-2 base classes for consistency

* 1.7.16, 2008-10-09
 - Add several missing pieces needed for ECDSA and ECKAEG
 - Add Card Verifiable Certificates from InSiTo
 - Add SHA-224 from InSiTo
 - Add BSI variant of EMSA1 from InSiTo
 - Add GF(p) and ECDSA tests from InSiTo
 - Split ECDSA and ECKAEG into distinct modules
 - Allow OpenSSL and GNU MP engines to be built with public key algos disabled
 - Rename sha256.h to sha2_32.h and sha_64.h to sha2_64.h

* 1.7.15, 2008-10-07
 - Add GF(p) arithmetic from InSiTo
 - Add ECDSA and ECKAEG implementations from InSiTo
 - Minimize internal dependencies, allowing for smaller build configurations
 - Add new User Manual and Architecture Guide from FlexSecure GmbH
 - Alter configure.pl options for better autotools compatibility
 - Update build instructions for recent changes to configure.pl
 - Fix CPU detection using /proc/cpuinfo

* 1.7.14, 2008-09-30
 - Split library into parts allowing modular builds
 - Add (very preliminary) CMS support to the main library
 - Some constructors now require object pointers instead of names
 - Support multiple implementations of the same algorithm
 - Build support for Pentium-M processors, from Derek Scherger
 - Build support for MinGW/MSYS, from Zbigniew Zagorski
 - Use inline assembly for bswap on 32-bit x86

* 1.7.13, 2008-09-27
 - Add SSLv3 MAC, SSLv3 PRF, and TLS v1.0 PRF from Ajisai
 - Allow all examples to compile even if compression not enabled
 - Make CMAC's polynomial doubling operation a public class method
 - Use the -m64 flag when compiling with Sun Forte on x86-64
 - Clean up and slightly optimize CMAC::final_result

* 1.7.12, 2008-09-18
 - Add x86 assembly for Visual Studio C++, by Luca Piccarreta
 - Add a Perl XS module, by Vaclav Ovsik
 - Add SWIG-based wrapper for Botan
 - Add SSE2 implementation of SHA-1, by Dean Gaudet
 - Remove the BigInt::sig_words cache due to bugs
 - Combined the 4 Blowfish sboxes, suggested by Yves Jerschow
 - Changed BigInt::grow_by and BigInt::grow_to to be non-const
 - Add private assignment operators to classes that don't support assignment
 - Benchmark RSA encryption and signatures
 - Added test programs for random_prime and ressol
 - Add high resolution timers for IA-64, HP-PA, S390x
 - Reduce use of the RNG during benchmarks
 - Fix builds on STI Cell PPU
 - Add support for IBM's XLC compiler
 - Add IETF 8192 bit MODP group

* 1.7.11, 2008-09-11
 - Added the Salsa20 stream cipher
 - Optimized Montgomery reduction, Karatsuba squaring
 - Added 16x16->32 word Comba multiplication and squaring
 - Use a much larger Karatsuba cutoff point
 - Remove bigint_mul_add_words
 - Inlined several BigInt functions
 - Add useful information to the generated build.h
 - Rename alg_{ia32,amd64} modules to asm_{ia32,amd64}
 - Fix the Windows build

* 1.7.10, 2008-09-05
 - Public key benchmarks run using a selection of random keys
 - New benchmark timer options are clock_gettime, gettimeofday, times, clock
 - Including reinterpret_cast optimization for xor_buf in default header
 - Split byte swapping and word rotation functions into distinct headers
 - Add IETF modp 6144 group and 2048 and 3072 bit DSS groups
 - Optimizes BigInt right shift
 - Add aliases in DL_Group::Format enum
 - BigInt now caches the significant word count

* 1.7.9, 2008-08-27
 - Make clear() in most algorithm base classes a pure virtual
 - Add noexec stack marker for GNU linker in assembly code
 - Avoid string operations in ressol
 - Compilation fixes for MinGW and Visual Studio C++ 2008
 - Some autoconfiguration fixes for Windows

* 1.6.5, 2008-08-27
 - Add noexec stack marker for GNU linker in assembly code
 - Fix autoconfiguration problem on x86 with GCC 4.2 and 4.3

* 1.7.8, 2008-07-15
 - Added the block cipher Noekeon
 - Remove global deref_alias function
 - X509_Store takes timeout options as constructor arguments
 - Add Shanks-Tonelli algorithm, contributed by FlexSecure GmbH
 - Extend random_prime() for generating primes of any bit length
 - Remove Config class
 - Allow adding new entropy via base RNG interface
 - Reseeding a X9.31 PRNG also reseeds the underlying PRNG

* 1.7.7, 2008-06-28
 - Remove the global PRNG object
 - The PK filter objects were removed
 - Add a test suite for the ANSI X9.31 PRNG
 - Much cleaner and (mostly) thread-safe reimplementation of es_ftw
 - Remove both default arguments to ANSI_X931_RNG's constructor
 - Remove the randomizing version of OctetString::change
 - Make the cipher and MAC to use in Randpool configurable
 - Move RandomNumberGenerator declaration to rng.h
 - RSA_PrivateKey will not generate keys smaller than 1024 bits
 - Fix an error decoding BER UNIVERSAL types with special taggings

* 1.7.6, 2008-05-05
 - Initial support for Windows DLLs, from Joel Low
 - Reset the position pointer when a new block is generated in X9.32 PRNG
 - Timer objects are now treated as entropy sources
 - Moved several ASN.1-related enums from enums.h to an appropriate header
 - Removed the AEP module, due to inability to test
 - Removed Global_RNG and rng.h
 - Removed system_clock
 - Removed Library_State::UI and the pulse callback logic

* 1.7.5, 2008-04-12
 - The API of X509_CA::sign_request was altered to avoid race conditions
 - New type Pipe::message_id to represent the Pipe message number
 - Remove the Named_Mutex_Holder for a small performance gain
 - Removed several unused or rarely used functions from Config
 - Ignore spaces inside of a decimal string in BigInt::decode
 - Allow using a std::istream to initialize a DataSource_Stream object
 - Fix compilation problem in zlib compression module
 - The chunk sized used by Pooling_Allocator is now a compile time setting
 - The size of random blinding factors is now a compile time setting
 - The install target no longer tries to set a particular owner/group

* 1.7.4, 2008-03-10
 - Use unaligned memory read/writes on systems that allow it, for performance
 - Assembly for x86-64 for accessing the bswap instruction
 - Use larger buffers in ARC4 and WiderWAKE for significant throughput increase
 - Unroll loops in SHA-160 for a few percent increase in performance
 - Fix compilation with GCC 3.2 in es_ftw and es_unix
 - Build fix for NetBSD systems
 - Prevent es_dev from being built except on Unix systems

* 1.6.4, 2008-03-08
 - Fix a compilation problem with Visual Studio C++ 2003

* 1.7.3, 2008-01-23
 - New invocation syntax for configure.pl with several new options
 - Support for IPv4 addresses in a subject alternative name
 - New fast poll for the generic Unix entropy source (es_unix)
 - The es_file entropy source has been replaced by the es_dev module
 - The malloc allocator does not inherit from Pooling_Allocator anymore
 - The path that es_unix will search in are now fully user-configurable
 - Truncate X9.42 PRF output rather than allow counter overflow
 - PowerPC is now assumed to be big-endian

* 1.7.2, 2007-10-13
 - Initialize the global library state lazily
 - Add plain CBC-MAC for backwards compatibility with old systems
 - Clean up some of the self test code
 - Throw a sensible exception if a DL_Group is not found
 - Truncate KDF2 output rather than allowing counter overflow
 - Add newly assigned OIDs for SHA-2 and DSA with SHA-224/256
 - Fix a Visual Studio compilation problem in x509stat.cpp

* 1.7.1, 2007-07-23
 - Fix a race condition in the algorithm object cache
 - HMAC key schedule optimization
 - The build header sets a macro defining endianness, if known
 - New word load/store abstraction allowing further optimization
 - Modify most of the library to avoid use the C-style casts
 - Use higher resolution timers in symmetric benchmarks

* 1.6.3, 2007-07-23
 - Fix a race condition in the algorithm lookup cache
 - Fix problems building the memory pool on some versions of Visual C++

* 1.7.0, 2007-05-19
 - DSA parameter generation now follows FIPS 186-3
 - Added OIDs for Rabin-Williams and Nyberg-Rueppel
 - Somewhat better support for out of tree builds
 - Minor optimizations for RC2 and Tiger
 - Documentation updates
 - Update the todo list

* 1.6.2, 2007-03-24
 - Fix autodection on Athlon64s running Linux
 - Fix builds on QNX and compilers using STLport
 - Remove a call to abort() that crept into production

* 1.6.1, 2007-01-20
 - Fix some base64 decoder bugs
 - Add a new option to base64 encoding, to always append a newline
 - Fix some build problems under Visual Studio with debug enabled
 - Fix a bug in BER_Decoder that was triggered under some compilers

* 1.6.0, 2006-12-17
 - Minor cleanups versus 1.5.13

* 1.5.13, 2006-12-10
 - Compilation fixes for the bzip2, zlib, and GNU MP modules
 - Better support for Intel C++ and EKOpath C++ on x86-64

* 1.5.12, 2006-10-27
 - Cleanups in the initialization routines
 - Add some x86-64 assembly for multiply-add
 - Fix problems generating very small (below 384 bit) RSA keys
 - Support out of tree builds
 - Bring some of the documentation up to date
 - More improvements to the Python bindings

* 1.5.11, 2006-09-10
 - Removed the Algorithm base class
 - Various cleanups in the public key inheritance hierarchy
 - Major overhaul of the configure/build setup
 - Added x86 assembler implementations of Serpent and low-level MPI code
 - Optimizations for the SHA-1 x86 assembler
 - Various improvements to the Python wrappers
 - Work around a Visual Studio compiler bug

* 1.5.10, 2006-08-13
 - Add x86 assembler versions of MD4, MD5, and SHA-1
 - Expand InitializerOptions' language to support on/off switches
 - Fix definition of OID 2.5.4.8; was accidentally changed in 1.5.9
 - Fix possible resource leaks in the mmap allocator
 - Slightly optimized buffering in MDx_HashFunction
 - Initialization failures are dealt with somewhat better
 - Add an example implementing Pollard's Rho algorithm
 - Better option handling in the test/benchmark tool
 - Expand the xor_ciph example to support longer keys
 - Some updates to the documentation

* 1.5.9, 2006-07-12
 - Fixed bitrot in the AEP engine
 - Fix support for marking certificate/CRL extensions as critical
 - Significant cleanups in the library state / initialization code
 - LibraryInitializer takes an explicit InitializerOptions object
 - Make Mutex_Factory an abstract class, add Default_Mutex_Factory
 - Change configuration access to using global_state()
 - Add support for global named mutexes throughout the library
 - Add some STL wrappers for the delete operator
 - Change how certificates are created to be more flexible and general

* 1.5.8, 2006-06-23
 - Many internal cleanups to the X.509 cert/CRL code
 - Allow for application code to support new X.509 extensions
 - Change the return type of X509_Certificate::{subject,issuer}_info
 - Allow for alternate character set handling mechanisms
 - Fix a bug that was slowing squaring performance somewhat
 - Fix a very hard to hit overflow bug in the C version of word3_muladd
 - Minor cleanups to the assembler modules
 - Disable es_unix module on FreeBSD due to build problem on FreeBSD 6.1
 - Support for GCC 2.95.x has been dropped in this release

* 1.5.7, 2006-05-28
 - Further, major changes to the BER/DER coding system
 - Updated the Qt mutex module to use Mutex_Factory
 - Moved the library global state object into an anonymous namespace
 - Drop the Visual C++ x86 assembly module due to bugs

* 1.5.6, 2006-03-01
 - The low-level DER/BER coding system was redesigned and rewritten
 - Portions of the certificate code were cleaned up internally
 - Use macros to substantially clean up the GCC assembly code
 - Added 32-bit x86 assembly for Visual C++ (by Luca Piccarreta)
 - Avoid a couple of spurious warnings under Visual C++
 - Some slight cleanups in X509_PublicKey::key_id

* 1.5.5, 2006-02-04
 - Fixed a potential infinite loop in the memory pool code (Matt Johnston)
 - Made Pooling_Allocator::Memory_Block an actual class of sorts
 - Some small optimizations to the division and modulo computations
 - Cleaned up the implementation of some of the BigInt operators
 - Reduced use of dynamic memory allocation in low-level BigInt functions
 - A few simplifications in the Randpool mixing function
 - Removed power(), as it was not particularly useful (or fast)
 - Fixed some annoying bugs in the benchmark code
 - Added a real credits file

* 1.5.4, 2006-01-29
 - Integrated x86 and amd64 assembly code, contributed by Luca Piccarreta
 - Fixed a memory access off-by-one in the Karatsuba code
 - Changed Pooling_Allocator's free list search to a log(N) algorithm
 - Merged ModularReducer with its only subclass, Barrett_Reducer
 - Fixed sign-handling bugs in some of the division and modulo code
 - Renamed the module description files to modinfo.txt
 - Further cleanups in the initialization code
 - Removed BigInt::add and BigInt::sub
 - Merged all the division-related functions into just divide()
 - Modified the <mp_asmi.h> functions to allow for better optimizations
 - Made the number of bits polled from an EntropySource user configurable
 - Avoid including <algorithm> in <botan/secmem.h>
 - Fixed some build problems with Sun Forte
 - Removed some dead code from bigint_modop
 - Fix the definition of same_mem

* 1.5.3, 2006-01-24
 - Many optimizations in the low-level multiple precision integer code
 - Added hooks for assembly implementations of the MPI code
 - Support for the X.509 issuer alternative name extension in new certs
 - Fixed a bug in the decompression modules; found and patched by Matt Johnston
 - New Windows mutex module (mux_win32), by Luca Piccarreta
 - Changed the Windows timer module to use QueryPerformanceCounter
 - mem_pool.cpp was using std::set iterators instead of std::multiset ones
 - Fixed a bug in X509_CA preventing users from disabling particular extensions
 - Fixed the mp_asm64 module, which was entirely broken in 1.5.2
 - Fixed some module build problems on FreeBSD and Tru64

* 1.5.2, 2006-01-15
 - Fixed an off-by-one memory read in MISTY1::key()
 - Fixed a nasty memory leak in Output_Buffers::retire()
 - Reimplemented the memory allocator from scratch
 - Improved memory caching in Montgomery exponentiation
 - Optimizations for multiple precision addition and subtraction
 - Fixed a build problem in the hardware timer module on 64-bit PowerPC
 - Changed default Karatsuba cutoff to 12 words (was 14)
 - Removed MemoryRegion::bits(), which was unused and incorrect
 - Changed maximum HMAC keylength to 1024 bits
 - Various minor Makefile and build system changes
 - Avoid using std::min in <secmem.h> to bypass Windows libc macro pollution
 - Switched checks/clock.cpp back to using clock() by default
 - Enabled the symmetric algorithm tests, which were accidentally off in 1.5.1
 - Removed the Default_Mutex's unused clone() member function

* 1.4.12, 2006-01-15
 - Fixed an off-by-one memory read in MISTY1::key()
 - Fixed a nasty memory leak in Output_Buffers::retire()
 - Changed maximum HMAC keylength to 1024 bits
 - Fixed a build problem in the hardware timer module on 64-bit PowerPC

* 1.5.1, 2006-01-08
 - Implemented Montgomery exponentiation
 - Implemented generalized Karatsuba multiplication and squaring
 - Implemented Comba squaring for 4, 6, and 8 word inputs
 - Added new Modular_Exponentiator and Power_Mod classes
 - Removed FixedBase_Exp and FixedExponent_Exp
 - Fixed a performance regression in get_allocator introduced in 1.5.0
 - Engines can now offer S2K algorithms and block cipher padding methods
 - Merged the remaining global 'algolist' code into Default_Engine
 - The low-level MPI code is linked as C again
 - Replaced BigInt's get_nibble with the more general get_substring
 - Some documentation updates

* 1.5.0, 2006-01-01
 - Moved all global/shared library state into a single object
 - Mutex objects are created through mutex factories instead of a global
 - Removed ::get_mutex(), ::initialize_mutex(), and Mutex::clone()
 - Removed the RNG_Quality enum entirely
 - There is now only a single global-use PRNG
 - Removed the no_aliases and no_oids options for LibraryInitializer
 - Removed the deprecated algorithms SEAL, ISAAC, and HAVAL
 - Change es_ftw to use unbuffered I/O

* 1.4.11, 2005-12-31
 - Changed Whirlpool diffusion matrix to match updated algorithm spec
 - Fixed several engine module build errors introduced in 1.4.10
 - Fixed two build problems in es_capi; reported by Matthew Gregan
 - Added a constructor to DataSource_Memory taking a std::string
 - Placing the same Filter in multiple Pipes triggers an exception
 - The configure script accepts --docdir and --libdir
 - Merged doc/rngs.txt into the main API document
 - Thanks to Joel Low for several bug reports on early tarballs of 1.4.11

* 1.4.10, 2005-12-18
 - Added an implementation of KASUMI, the block cipher used in 3G phones
 - Refactored Pipe; output queues are now managed by a distinct class
 - Made certain Filter facilities only available to subclasses of Fanout_Filter
 - There is no longer any overhead in Pipe for a message that has been read out
 - It is now possible to generate RSA keys as small as 128 bits
 - Changed some of the core classes to derive from Algorithm as a virtual base
 - Changed Randpool to use HMAC instead of a plain hash as the mixing function
 - Fixed a bug in the allocators; found and fixed by Matthew Gregan
 - Enabled the use of binary file I/O, when requested by the application
 - The OpenSSL engine's block cipher code was missing some deallocation calls
 - Disabled the es_ftw module on NetBSD, due to header problems there
 - Fixed a problem preventing tm_hard from building on MacOS X on PowerPC
 - Some cleanups for the modules that use inline assembler
 - config.h is now stored in build/ instead of build/include/botan/
 - The header util.h was split into bit_ops.h, parsing.h, and util.h
 - Cleaned up some redundant include directives

* 1.4.9, 2005-11-06
 - Added the IBM-created AES candidate algorithm MARS
 - Added the South Korean block cipher SEED
 - Added the stream cipher Turing
 - Added the new hash function FORK-256
 - Deprecated the ISAAC stream cipher
 - Twofish and RC6 are significantly faster with GCC
 - Much better support for 64-bit PowerPC
 - Added support for high-resolution PowerPC timers
 - Fixed a bug in the configure script causing problems on FreeBSD
 - Changed ANSI X9.31 to support arbitrary block ciphers
 - Make the configure script a bit less noisy
 - Added more test vectors for some algorithms, including all the AES finalists
 - Various cosmetic source code cleanups

* 1.4.8, 2005-10-16
 - Resolved a bad performance problem in the allocators; fix by Matt Johnston
 - Worked around a Visual Studio 2003 compilation problem introduced in 1.4.7
 - Renamed OMAC to CMAC to match the official NIST naming
 - Added single byte versions of update() to PK_Signer and PK_Verifier
 - Removed the unused reverse_bits and reverse_bytes functions

* 1.4.7, 2005-09-25
 - Fixed major performance problems with recent versions of GNU C++
 - Added an implementation of the X9.31 PRNG
 - Removed the X9.17 and FIPS 186-2 PRNG algorithms
 - Changed defaults to use X9.31 PRNGs as global PRNG objects
 - Documentation updates to reflect the PRNG changes
 - Some cleanups related to the engine code
 - Removed two useless headers, base_eng.h and secalloc.h
 - Removed PK_Verifier::valid_signature
 - Fixed configure/build system bugs affecting MacOS X builds
 - Added support for the EKOPath x86-64 compiler
 - Added missing destructor for BlockCipherModePaddingMethod
 - Fix some build problems with Visual C++ 2005 beta
 - Fix some build problems with Visual C++ 2003 Workshop

* 1.4.6, 2005-03-13
 - Fix an error in the shutdown code introduced in 1.4.5
 - Setting base/pkcs8_tries to 0 disables the builtin fail-out
 - Support for XMPP identifiers in X.509 certificates
 - Duplicate entries in X.509 DNs are removed
 - More fixes for Borland C++, from Friedemann Kleint
 - Add a workaround for buggy iostreams

* 1.4.5, 2005-02-26
 - Add support for AES encryption of private keys
 - Minor fixes for PBES2 parameter decoding
 - Internal cleanups for global state variables
 - GCC 3.x version detection was broken in non-English locales
 - Work around a Sun Forte bug affecting mem_pool.h
 - Several fixes for Borland C++ 5.5, from Friedemann Kleint
 - Removed inclusion of init.h into base.h
 - Fixed a major bug in reading from certificate stores
 - Cleaned up a couple of mutex leaks
 - Removed some left-over debugging code
 - Removed SSL3_MAC, SSL3_PRF, and TLS_PRF

* 1.4.4, 2004-12-02
 - Further tweaks to the pooling allocator
 - Modified EMSA3 to support SSL/TLS signatures
 - Changes to support Qt/QCA, from Justin Karneges
 - Moved mux_qt module code into mod_qt
 - Fixes for HP-UX from Mike Desjardins

* 1.4.3, 2004-11-06
 - Split up SecureAllocator into Allocator and Pooling_Allocator
 - Memory locking allocators are more likely to be used
 - Fixed the placement of includes in some modules
 - Fixed broken installation procedure
 - Fixes in configure script to support alternate install programs
 - Modules can specify the minimum version they support

* 1.4.2, 2004-10-31
 - Fixed a major CRL handling bug
 - Cipher and hash operations can be offloaded to engines
 - Added support for cipher and hash offload in OpenSSL engine
 - Improvements for 64-bit CPUs without a widening multiply instruction
 - Support for SHA2-* and Whirlpool with EMSA2
 - Fixed a long-standing build problem with conflicting include files
 - Fixed some examples that hadn't been updated for 1.4.x
 - Portability fixes for Solaris, *BSD, HP-UX, and others
 - Lots of fixes and cleanups in the configure script
 - Updated the Gentoo ebuild file

* 1.4.1, 2004-10-10
 - Fixed major errors in the X.509 and PKCS #8 copy_key functions
 - Added a LAST_MESSAGE meta-message number for Pipe
 - Added new aliases (3DES and DES-EDE) for Triple-DES
 - Added some new functions to PK_Verifier
 - Cleaned up the KDF interface
 - Disabled tm_posix on *BSD due to header issues
 - Fixed a build problem on PowerPC with GNU C++ pre-3.4

* 1.4.0, 2004-06-26
 - Added the FIPS 186 RNG back
 - Added copy_key functions for X.509 public keys and PKCS #8 private keys
 - Fixed PKCS #1 signatures with RIPEMD-128
 - Moved some code around to avoid warnings with Sun ONE compiler
 - Fixed a bug in botan-config affecting OpenBSD
 - Fixed some build problems on Tru64, HP-UX
 - Fixed compile problems with Intel C++, Compaq C++

* 1.3.14, 2004-06-12
 - Added support for AEP's AEP1000/AEP2000 crypto cards
 - Added a Mutex module using Qt, from Justin Karneges
 - Added support for engine loading in LibraryInitializer
 - Tweaked SecureAllocator, giving 20% better performance under heavy load
 - Added timer and memory locking modules for Win32 (tm_win32, ml_win32)
 - Renamed PK_Engine to Engine_Core
 - Improved the Karatsuba cutoff points
 - Fixes for compiling with GCC 3.4 and Sun C++ 5.5
 - Fixes for Linux/s390, OpenBSD, and Solaris
 - Added support for Linux/s390x
 - The configure script was totally broken for 'generic' OS
 - Removed Montgomery reduction due to bugs
 - Removed an unused header, pkcs8alg.h
 - check --validate returns an error code if any tests failed
 - Removed duplicate entry in Unix command list for es_unix
 - Moved the Cert_Usage enumeration into X509_Store
 - Added new timing methods for PK benchmarks, clock_gettime and RDTSC
 - Fixed a few minor bugs in the configure script
 - Removed some deprecated functions from x509cert.h and pkcs10.h
 - Removed the 'minimal' module, has to be updated for Engine support
 - Changed MP_WORD_BITS macro to BOTAN_MP_WORD_BITS to clean up namespace
 - Documentation updates

* 1.3.13, 2004-05-15
 - Major fixes for Cygwin builds
 - Minor MacOS X install fixes
 - The configure script is a little better at picking the right modules
 - Removed ml_unix from the 'unix' module set for Cygwin compatibility
 - Fixed a stupid compile problem in pkcs10.h

* 1.3.12, 2004-05-02
 - Added ability to remove old entries from CRLs
 - Swapped the first two arguments of X509_CA::update_crl()
 - Added an < operator for MemoryRegion, so it can be used as a std::map key
 - Changed X.509 searching by DNS name from substring to full string compares
 - Renamed a few X509_Certificate and PKCS10_Request member functions
 - Fixed a problem when decoding some PKCS #10 requests
 - Hex_Decoder would not check inputs, reported by Vaclav Ovsik
 - Changed default CRL expire time from 30 days to 7 days
 - X509_CRL's default PEM header is now "X509 CRL", for OpenSSL compatibility
 - Corrected errors in the API doc, fixes from Ken Perano
 - More documentation about the Pipe/Filter code

* 1.3.11, 2004-04-01
 - Fixed two show-stopping bugs in PKCS10_Request
 - Added some sanity checks in Pipe/Filter
 - The DNS and URI entries would get swapped in subjectAlternativeNames
 - MAC_Filter is now willing to not take a key at creation time
 - Setting the expiration times of certs and CRLs is more flexible
 - Fixed problems building on AIX with GCC
 - Fixed some problems in the tutorial pointed out by Dominik Vogt
 - Documentation updates

* 1.3.10, 2004-03-27
 - Added support for OpenPGP's ASCII armor format
 - Cleaned up the RNG system; seeding is much more flexible
 - Added simple autoconfiguration abilities to configure.pl
 - Fixed a GCC 2.95.x compile problem
 - Updated the example configuration file
 - Documentation updates

* 1.3.9, 2004-03-07
 - Added an engine using OpenSSL (requires 0.9.7 or later)
 - X509_Certificate would lose email addresses stored in the DN
 - Fixed a missing initialization in a BigInt constructor
 - Fixed several Visual C++ compile problems
 - Fixed some BeOS build problems
 - Fixed the WiderWake benchmark

* 1.3.8, 2003-12-30
 - Internal changes to PK algorithms to divide data and algorithms
 - DSA/DH/NR/ElGamal constructors accept taking just the private key again
 - ElGamal keys now support being imported/exported as ASN.1 objects
 - Much more consistent and complete error checking in PK algorithms
 - Support for arbitrary backends (engines) for PK operations
 - Added Montgomery reductions
 - Added an engine that uses GNU MP (requires 4.1 or later)
 - Removed the obsolete mp_gmp module
 - Moved several initialization/shutdown functions to init.h
 - Major refactoring of the memory containers
 - New non-locking container, MemoryVector
 - Fixed 64-bit problems in BigInt::set_bit/clear_bit
 - Renamed PK_Key::check_params() to check_key()
 - Some incompatible changes to OctetString
 - Added version checking macros in version.h
 - Removed the fips140 module pending rewrite
 - Added some functions and hooks to help GUIs
 - Moved more shared code into MDx_HashFunction
 - Added a policy hook for specifying the encoding of X.509 strings

* 1.3.7, 2003-12-12
 - Fixed a big security problem in es_unix
 - Fixed several stability problems in es_unix
 - Expanded the list of programs es_unix will try to use
 - SecureAllocator now only preallocates blocks in special cases
 - Added a special case in Global_RNG::seed for forcing a full poll
 - Removed the FIPS 186 RNG added in 1.3.5 pending further testing
 - Configure updates for PowerPC CPUs
 - Removed the (never tested) VAX support
 - Added support for S/390 Linux

* 1.3.6, 2003-12-07
 - Added a new module 'minimal', which disables most algorithms
 - SecureAllocator allocates a few blocks at startup
 - A few minor MPI cleanups
 - RPM spec file cleanups and fixes

* 1.3.5, 2003-11-30
 - Major improvements in ASN.1 string handling
 - Added partial support for ASN.1 UTF8 STRINGs and BMP STRINGs
 - Added partial support for the X.509v3 certificate policies extension
 - Centralized the handling of character set information
 - Added FIPS 140-2 startup self tests
 - Added a module (fips140) for doing extra FIPS 140-2 tests
 - Added FIPS 186-2 RNG
 - Improved ASN.1 BIT STRING handling
 - Removed a memory leak in PKCS10_Request
 - The encoding of DirectoryString now follows PKIX guidelines
 - Fixed some of the character set dependencies
 - Fixed a DER encoding error for tags greater than 30
 - The BER decoder can now handle tags larger than 30
 - Fixed tm_hard.cpp to recognize SPARC on more systems
 - Workarounds for a GCC 2.95.x bug in x509find.cpp
 - RPM changed to install into /usr instead of /usr/local
 - Added support for QNX

* 1.2.8, 2003-11-21
 - Merged several important bug fixes from 1.3.x

* 1.3.4, 2003-11-21
 - Added a module that does certain MPI operations using GNU MP
 - Added the X9.42 Diffie-Hellman PRF
 - The Zlib and Bzip2 objects now use custom allocators
 - Added member functions for directly hashing/MACing SecureVectors
 - Minor optimizations to the MPI addition and subtraction algorithms
 - Some cleanups in the low-level MPI code
 - Created separate AES-{128,192,256} objects

* 1.3.3, 2003-11-17
 - The library can now be repeatedly initialized and shutdown without crashing
 - Fixed an off-by-one error in the CTS code
 - Fixed an error in the EMSA4 verification code
 - Fixed a memory leak in mutex.cpp (pointed out by James Widener)
 - Fixed a memory leak in Pthread_Mutex
 - Fixed several memory leaks in the testing code
 - Bulletproofed the EMSA/EME/KDF/MGF retrieval functions
 - Minor cleanups in SecureAllocator
 - Removed a needless mutex guarding the (stateless) global timer
 - Fixed a piece of bash-specific code in botan-config
 - X.509 objects report more information about decoding errors
 - Cleaned up some of the exception handling
 - Updated the example config file with new OIDSs
 - Moved the build instructions into a separate document, building.tex

* 1.3.2, 2003-11-13
 - Fixed a bug preventing DSA signatures from verifying on X.509 objects
 - Made the X509_Store search routines more efficient and flexible
 - Added a function to X509_PublicKey to do easy public/private key matching
 - Added support for decoding indefinite length BER data
 - Changed Pipe's peek() to take an offset
 - Removed Filter::set_owns in favor of the new incr_owns function
 - Removed BigInt::zero() and BigInt::one()
 - Renamed the PEM related options from base/pem_* to pem/*
 - Added an option to specify the line width when encoding PEM
 - Removed the "rng/safe_longterm" option; it's always on now
 - Changed the cipher used for RNG super-encryption from ARC4 to WiderWake4+1
 - Cleaned up the base64/hex encoders and decoders
 - Added an ASN.1/BER decoder as an example
 - AES had its internals marked 'public' in previous versions
 - Changed the value of the ASN.1 NO_OBJECT enum
 - Various new hacks in the configure script
 - Removed the already nominal support for SunOS

* 1.3.1, 2003-11-04
 - Generalized a few pieces of the DER encoder
 - PKCS8::load_key would fail if handed an unencrypted key
 - Added a failsafe so PKCS #8 key decoding can't go into an infinite loop

* 1.3.0, 2003-11-02
 - Major redesign of the PKCS #8 private key import/export system
 - Added a small amount of UI interface code for getting passphrases
 - Added heuristics that tell if a key, cert, etc is stored as PEM or BER
 - Removed CS-Cipher, SHARK, ThreeWay, MD5-MAC, and EMAC
 - Removed certain deprecated constructors of RSA, DSA, DH, RW, NR
 - Made PEM decoding more forgiving of extra text before the header

* 1.2.7, 2003-10-31
 - Added support for reading configuration files
 - Added constructors so NR and RW keys can be imported easily
 - Fixed mp_asm64, which was completely broken in 1.2.6
 - Removed tm_hw_ia32 module; replaced by tm_hard
 - Added support for loading certain oddly formed RSA certificates
 - Fixed spelling of NON_REPUDIATION enum
 - Renamed the option default_to_ca to v1_assume_ca
 - Fixed a minor bug in X.509 certificate generation
 - Fixed a latent bug in the OID lookup code
 - Updated the RPM spec file
 - Added to the tutorial

* 1.2.6, 2003-07-04
 - Major performance increase for PK algorithms on most 64-bit systems
 - Cleanups in the low-level MPI code to support asm implementations
 - Fixed build problems with some versions of Compaq's C++ compiler
 - Removed useless constructors for NR public and private keys
 - Removed support for the patch_file directive in module files
 - Removed several deprecated functions

* 1.2.5, 2003-06-22
 - Fixed a tricky and long-standing memory leak in Pipe
 - Major cleanups and fixes in the memory allocation system
 - Removed alloc_mlock, which has been superseded by the ml_unix module
 - Removed a denial of service vulnerability in X509_Store
 - Fixed compilation problems with VS .NET 2003 and Codewarrior 8
 - Added another variant of PKCS8::load_key, taking a memory buffer
 - Fixed various minor/obscure bugs which occurred when MP_WORD_BITS != 32
 - BigInt::operator%=(word) was a no-op if the input was a power of 2
 - Fixed portability problems in BigInt::to_u32bit
 - Fixed major bugs in SSL3-MAC
 - Cleaned up some messes in the PK algorithms
 - Cleanups and extensions for OMAC and EAX
 - Made changes to the entropy estimation function
 - Added a 'beos' module set for use on BeOS
 - Officially deprecated a few X509:: and PKCS8:: functions
 - Moved the contents of primes.h to numthry.h
 - Moved the contents of x509opt.h to x509self.h
 - Removed the (empty) desx.h header
 - Documentation updates

* 1.2.4, 2003-05-29
 - Fixed a bug in EMSA1 affecting NR signature verification
 - Fixed a few latent bugs in BigInt related to word size
 - Removed an unused function, mp_add2_nc, from the MPI implementation
 - Reorganized the core MPI files

* 1.2.3, 2003-05-20
 - Fixed a bug that prevented DSA/NR key generation
 - Fixed a bug that prevented importing some root CA certs
 - Fixed a bug in the BER decoder when handing optional bit or byte strings
 - Fixed the encoding of authorityKeyIdentifier in X509_CA
 - Added a sanity check in PBKDF2 for zero length passphrases
 - Added versions of X509::load_key and PKCS8::load_key that take a file name
 - X509_CA generates 128 bit serial numbers now
 - Added tests to check PK key generation
 - Added a simplistic X.509 CA example
 - Cleaned up some of the examples

* 1.2.2, 2003-05-13
 - Add checks to prevent any BigInt bugs from revealing an RSA or RW key
 - Changed the interface of Global_RNG::seed
 - Major improvements for the es_unix module
 - Added another Win32 entropy source, es_win32
 - The Win32 CryptoAPI entropy source can now poll multiple providers
 - Improved the BeOS entropy source
 - Renamed pipe_unixfd module to fd_unix
 - Fixed a file descriptor leak in the EGD module
 - Fixed a few locking bugs

* 1.2.1, 2003-05-06
 - Added ANSI X9.23 compatible CBC padding
 - Added an entropy source using Win32 CryptoAPI
 - Removed the Pipe I/O operators taking a FILE*
 - Moved the BigInt encoding/decoding functions into the BigInt class
 - Integrated several fixes for VC++ 7 (from Hany Greiss)
 - Fixed the configure.pl script for Windows builds

* 1.2.0, 2003-04-28
 - Tweaked the Karatsuba cut-off points
 - Increased the allowed keylength of HMAC and Blowfish
 - Removed the 'mpi_ia32' module, pending rewrite
 - Workaround a GCC 2.95.x bug in eme1.cpp

* 1.1.13, 2003-04-22
 - Added OMAC
 - Added EAX authenticated cipher mode
 - Diffie-Hellman would not do blinding in some cases
 - Optimized the OFB and CTR modes
 - Corrected Skipjack's word ordering, as per NIST clarification
 - Support for all subject/issuer attribute types required by RFC 3280
 - The removeFromCRL CRL reason code is now handled correctly
 - Increased the flexibility of the allocators
 - Renamed Rijndael to AES, created aes.h, deleted rijndael.h
 - Removed support for the 'no_timer' LibraryInitializer option
 - Removed 'es_pthr' module, pending further testing
 - Cleaned up get_ciph.cpp

* 1.1.12, 2003-04-15
 - Fixed a ASN.1 string encoding bug
 - Fixed a pair of X509_DN encoding problems
 - Base64_Decoder and Hex_Decoder can now validate input
 - Removed support for the LibraryInitializer option 'egd_path'
 - Added tests for DSA X.509 and PKCS #8 key formats
 - Removed a long deprecated feature of DH_PrivateKey's constructor
 - Updated the RPM .spec file
 - Major documentation updates

* 1.1.11, 2003-04-07
 - Added PKCS #10 certificate requests
 - Changed X509_Store searching interface to be more flexible
 - Added a generic Certificate_Store interface
 - Added a function for generating self-signed X.509 certs
 - Cleanups and changes to X509_CA
 - New examples for PKCS #10 and self-signed certificates
 - Some documentation updates

* 1.1.10, 2003-04-03
 - X509_CA can now generate new X.509 CRLs
 - Added blinding for RSA, RW, DH, and ElGamal to prevent timing attacks
 - More certificate and CRL extensions/attributes are supported
 - Better DN handling in X.509 certificates/CRLs
 - Added a DataSink hierarchy (suggested by Jim Darby)
 - Consolidated SecureAllocator and ManagedAllocator
 - Many cleanups and generalizations
 - Added a (slow) pthreads based EntropySource
 - Fixed some threading bugs

* 1.1.9, 2003-02-25
 - Added support for using X.509v2 CRLs
 - Fixed several bugs in the path validation algorithm
 - Certificates can be verified for a particular usage
 - Algorithm for comparing distinguished names now follows X.509
 - Cleaned up the code for the es_beos, es_ftw, es_unix modules
 - Documentation updates

* 1.1.8, 2003-01-29
 - Fixes for the certificate path validation algorithm in X509_Store
 - Fixed a bug affecting X509_Certificate::is_ca_cert()
 - Added a general configuration interface for policy issues
 - Cleanups and API changes in the X.509 CA, cert, and store code
 - Made various options available for X509_CA users
 - Changed X509_Time's interface to work around time_t problems
 - Fixed a theoretical weakness in Randpool's entropy mixing function
 - Fixed problems compiling with GCC 2.95.3 and GCC 2.96
 - Fixed a configure bug (reported by Jon Wilson) affecting MinGW

* 1.1.7, 2003-01-12
 - Fixed an obscure but dangerous bug in SecureVector::swap
 - Consolidated SHA-384 and SHA-512 to save code space
 - Added SSL3-MAC and SSL3-PRF
 - Documentation updates, including a new tutorial

* 1.0.2, 2003-01-12
 - Fixed an obscure SEGFAULT causing bug in Pipe
 - Fixed an obscure but dangerous bug in SecureVector::swap

* 1.1.6, 2002-12-10
 - Initial support for X.509v3 certificates and CAs
 - Major redesign/rewrite of the ASN.1 encoding/decoding code
 - Added handling for DSA/NR signatures encoded as DER SEQUENCEs
 - Documented the generic cipher lookup interface
 - Added an (untested) entropy source for BeOS
 - Various cleanups and bug fixes

* 1.1.5, 2002-11-17
 - Added the discrete logarithm integrated encryption system (DLIES)
 - Various optimizations for BigInt
 - Added support for assembler optimizations in modules
 - Added BigInt x86 optimizations module (mpi_ia32)

* 1.1.4, 2002-11-10
 - Speedup of 15-30% for PK algorithms
 - Implemented the PBES2 encryption scheme
 - Fixed a potential bug in decoding RSA and RW private keys
 - Changed the DL_Group class interface to handle different formats better
 - Added support for PKCS #3 encoded DH parameters
 - X9.42 DH parameters use a PEM label of 'X942 DH PARAMETERS'
 - Added key pair consistency checking
 - Fixed a compatibility problem with gcc 2.96 (pointed out by Hany Greiss)
 - A botan-config script is generated at configure time
 - Documentation updates

* 1.1.3, 2002-11-03
 - Added a generic public/private key loading interface
 - Fixed a small encoding bug in RSA, RW, and DH
 - Changed the PK encryption/decryption interface classes
 - ECB supports using padding methods
 - Added a function-based interface for library initialization
 - Added support for RIPEMD-128 and Tiger PKCS#1 v1.5 signatures
 - The cipher mode benchmarks now use 128-bit AES instead of DES
 - Removed some obsolete typedefs
 - Removed OpenCL support (opencl.h, the OPENCL_* macros, etc)
 - Added tests for PKCS #8 encoding/decoding
 - Added more tests for ECB and CBC

* 1.1.2, 2002-10-21
 - Support for PKCS #8 encoded RSA, DSA, and DH private keys
 - Support for Diffie-Hellman X.509 public keys
 - Major reorganization of how X.509 keys are handled
 - Added PKCS #5 v2.0's PBES1 encryption scheme
 - Added a generic cipher lookup interface
 - Added the WiderWake4+1 stream cipher
 - Added support for sync-able stream ciphers
 - Added a 'paranoia level' option for the LibraryInitializer
 - More security for RNG output meant for long term keys
 - Added documentation for some of the new 1.1.x features
 - CFB's feedback argument is now specified in bits
 - Renamed CTR class to CTR_BE
 - Updated the RSA and DSA examples to use X.509 and PKCS #8 key formats

* 1.1.1, 2002-10-15
 - Added the Korean hash function HAS-160
 - Partial support for RSA and DSA X.509 public keys
 - Added a mostly functional BER encoder/decoder
 - Added support for non-deterministic MAC functions
 - Initial support for PEM encoding/decoding
 - Internal cleanups in the PK algorithms
 - Several new convenience functions in Pipe
 - Fixed two nasty bugs in Pipe
 - Messed with the entropy sources for es_unix
 - Discrete logarithm groups are checked for safety more closely now
 - For compatibility with GnuPG, ElGamal now supports DSA-style groups

* 1.1.0, 2002-09-14
 - Added entropy estimation to the RNGs
 - Improved the overall design of both Randpool and ANSI_X917_RNG
 - Added a separate RNG for nonce generation
 - Added window exponentiation support in power_mod
 - Added a get_s2k function and the PKCS #5 S2K algorithms
 - Added the TLSv1 PRF
 - Replaced BlockCipherModeIV typedef with InitializationVector class
 - Renamed PK_Key_Agreement_Scheme to PK_Key_Agreement
 - Renamed SHA1 -> SHA_160 and SHA2_x -> SHA_x
 - Added support for RIPEMD-160 PKCS#1 v1.5 signatures
 - Changed the key agreement scheme interface
 - Changed the S2K and KDF interfaces
 - Better SCAN compatibility for HAVAL, Tiger, MISTY1, SEAL, RC5, SAFER-SK
 - Added support for variable-pass Tiger
 - Major speedup for Rabin-Williams key generation

* 1.0.1, 2002-09-14
 - Fixed a minor bug in Randpool::random()
 - Added some new aliases and typedefs for 1.1.x compatibility
 - The 4096-bit RSA benchmark key was decimal instead of hex
 - EMAC was returning an incorrect name

* 1.0.0, 2002-08-26
 - Octal I/O of BigInt is now supported
 - Fixed portability problems in the es_egd module
 - Generalized IV handling in the block cipher modes
 - Added Karatsuba multiplication and k-ary exponentiation
 - Fixed a problem in the multiplication routines

* 0.9.2, 2002-08-18
 - DH_PrivateKey::public_value() was returning the wrong value
 - Various BigInt optimizations
 - The filters.h header now includes hex.h and base64.h
 - Moved Counter mode to ctr.h
 - Fixed a couple minor problems with VC++ 7
 - Fixed problems with the RPM spec file

* 0.9.1, 2002-08-10
 - Grand rename from OpenCL to Botan
 - Major optimizations for the PK algorithms
 - Added ElGamal encryption
 - Added Whirlpool
 - Tweaked memory allocation parameters
 - Improved the method of seeding the global RNG
 - Moved pkcs1.h to eme_pkcs.h
 - Added more test vectors for some algorithms
 - Fixed error reporting in the BigInt tests
 - Removed Default_Timer, it was pointless
 - Added some new example applications
 - Removed some old examples that weren't that interesting
 - Documented the compression modules

* 0.9.0, 2002-08-03
 - EMSA4 supports variable salt size
 - PK_* can take a string naming the encoding method to use
 - Started writing some internals documentation

* 0.8.7, 2002-07-30
 - Fixed bugs in EME1 and EMSA4
 - Fixed a potential crash at shutdown
 - Cipher modes returned an ill-formed name
 - Removed various deprecated types and headers
 - Cleaned up the Pipe interface a bit
 - Minor additions to the documentation
 - First stab at a Visual C++ makefile (doc/Makefile.vc7)

* 0.8.6, 2002-07-25
 - Added EMSA4 (aka PSS)
 - Brought the manual up to date; many corrections and additions
 - Added a parallel hash function construction
 - Lookup supports all available algorithms now
 - Lazy initialization of the lookup tables
 - Made more discrete logarithm groups available through get_dl_group()
 - StreamCipher_Filter supports seeking (if the underlying cipher does)
 - Minor optimization for GCD calculations
 - Renamed SAFER_SK128 to SAFER_SK
 - Removed many previously deprecated functions
 - Some now-obsolete functions, headers, and types have been deprecated
 - Fixed some bugs in DSA prime generation
 - DL_Group had a constructor for DSA-style prime gen but it wasn't defined
 - Reversed the ordering of the two arguments to SEAL's constructor
 - Fixed a threading problem in the PK algorithms
 - Fixed a minor memory leak in lookup.cpp
 - Fixed pk_types.h (it was broken in 0.8.5)
 - Made validation tests more verbose
 - Updated the check and example applications

* 0.8.5, 2002-07-21
 - Major changes to constructors for DL-based cryptosystems (DSA, NR, DH)
 - Added a DL_Group class
 - Reworking of the pubkey internals
 - Support in lookup for aliases and PK algorithms
 - Renamed CAST5 to CAST_128 and CAST256 to CAST_256
 - Added EMSA1
 - Reorganization of header files
 - LibraryInitializer will install new allocator types if requested
 - Fixed a bug in Diffie-Hellman key generation
 - Did a workaround in pipe.cpp for GCC 2.95.x on Linux
 - Removed some debugging code from init.cpp that made FTW ES useless
 - Better checking for invalid arguments in the PK algorithms
 - Reduced Base64 and Hex default line length (if line breaking is used)
 - Fixes for HP's aCC compiler
 - Cleanups in BigInt

* 0.8.4, 2002-07-14
 - Added Nyberg-Rueppel signatures
 - Added Diffie-Hellman key exchange (kex interface is subject to change)
 - Added KDF2
 - Enhancements to the lookup API
 - Many things formerly taking pointers to algorithms now take names
 - Speedups for prime generation
 - LibraryInitializer has support for seeding the global RNG
 - Reduced SAFER-SK128 memory consumption
 - Reversed the ordering of public and private key values in DSA constructor
 - Fixed serious bugs in MemoryMapping_Allocator
 - Fixed memory leak in Lion
 - FTW_EntropySource was not closing the files it read
 - Fixed line breaking problem in Hex_Encoder

* 0.8.3, 2002-06-09
 - Added DSA and Rabin-Williams signature schemes
 - Added EMSA3
 - Added PKCS#1 v1.5 encryption padding
 - Added Filters for PK algorithms
 - Added a Keyed_Filter class
 - LibraryInitializer processes arguments now
 - Major revamp of the PK interface classes
 - Changed almost all of the Filters for non-template operation
 - Changed HMAC, Lion, Luby-Rackoff to non-template classes
 - Some fairly minor BigInt optimizations
 - Added simple benchmarking for PK algorithms
 - Added hooks for fixed base and fixed exponent modular exponentiation
 - Added some examples for using RSA
 - Numerous bugfixes and cleanups
 - Documentation updates

* 0.8.2, 2002-05-18
 - Added an (experimental) algorithm lookup interface
 - Added code for directly testing BigInt
 - Added SHA2-384
 - Optimized SHA2-512
 - Major optimization for Adler32 (thanks to Dan Nicolaescu)
 - Various minor optimizations in BigInt and related areas
 - Fixed two bugs in X9.19 MAC, both reported by Darren Starsmore
 - Fixed a bug in BufferingFilter
 - Made a few fixes for MacOS X
 - Added a workaround in configure.pl for GCC 2.95.x
 - Better support for PowerPC, ARM, and Alpha
 - Some more cleanups

* 0.8.1, 2002-05-06
 - Major code cleanup (check doc/deprecated.txt)
 - Various bugs fixed, including several portability problems
 - Renamed MessageAuthCode to MessageAuthenticationCode
 - A replacement for X917 is in x917_rng.h
 - Changed EMAC to non-template class
 - Added ANSI X9.19 compatible CBC-MAC
 - TripleDES now supports 128 bit keys

* 0.8.0, 2002-04-24
 - Merged BigInt: many bugfixes and optimizations since alpha2
 - Added RSA (rsa.h)
 - Added EMSA2 (emsa2.h)
 - Lots of new interface code for public key algorithms (pk_base.h, pubkey.h)
 - Changed some interfaces, including SymmetricKey, to support the global rng
 - Fixed a serious bug in ManagedAllocator
 - Renamed RIPEMD128 to RIPEMD_128 and RIPEMD160 to RIPEMD_160
 - Removed some deprecated stuff
 - Added a global random number generator (rng.h)
 - Added clone functions to most of the basic algorithms
 - Added a library initializer class (init.h)
 - Version macros in version.h
 - Moved the base classes from opencl.h to base.h
 - Renamed the bzip2 module to comp_bzip2 and zlib to comp_zlib
 - Documentation updates for the new stuff (still incomplete)
 - Many new deprecated things: check doc/deprecated.txt

* 0.7.10, 2002-04-07
 - Added EGD_EntropySource module (es_egd)
 - Added a file tree walking EntropySource (es_ftw)
 - Added MemoryLocking_Allocator module (alloc_mlock)
 - Renamed the pthr_mux, unix_rnd, and mmap_mem modules
 - Changed timer mechanism; the clock method can be switched on the fly.
 - Renamed MmapDisk_Allocator to MemoryMapping_Allocator
 - Renamed ent_file.h to es_file.h (ent_file.h is around, but deprecated)
 - Fixed several bugs in MemoryMapping_Allocator
 - Added more default sources for Unix_EntropySource
 - Changed SecureBuffer to use same allocation methods as SecureVector
 - Added bigint_divcore into mp_core to support BigInt alpha2 release
 - Removed some Pipe functions deprecated since 0.7.8
 - Some fixes for the configure program

* 0.7.9, 2002-03-19
 - Memory allocation substantially revamped
 - Added memory allocation method based on mmap(2) in the mmap_mem module
 - Added ECB and CTS block cipher modes (ecb.h, cts.h)
 - Added a Mutex interface (mutex.h)
 - Added module pthr_mux, implementing the Mutex interface
 - Added Threaded Filter interface (thr_filt.h)
 - All algorithms can now by keyed with SymmetricKey objects
 - More testing occurs with --validate (expected failures)
 - Fixed two bugs reported by Hany Greiss, in Luby-Rackoff and RC6
 - Fixed a buffering bug in Bzip_Decompress and Zlib_Decompress
 - Made X917 safer (and about 1/3 as fast)
 - Documentation updates

* 0.7.8, 2002-02-28
 - More capabilities for Pipe, inspired by SysV STREAMS, including peeking,
   better buffering, and stack ops. NOT BACKWARDS COMPATIBLE: SEE DOCUMENTATION
 - Added a BufferingFilter class
 - Added popen() based EntropySource for generic Unix systems (unix_rnd)
 - Moved 'devrand' module into main distribution (ent_file.h), renamed to
   File_EntropySource, and changed interface somewhat.
 - Made Randpool somewhat more conservative and also 25% faster
 - Minor fixes and updates for the configure script
 - Added some tweaks for memory allocation
 - Documentation updates for the new Pipe interface
 - Fixed various minor bugs
 - Added a couple of new example programs (stack and hasher2)

* 0.7.7, 2001-11-24
 - Filter::send now works in the constructor of a Filter subclass
 - You may now have to include <opencl/pipe.h> explicitly in some code
 - Added preliminary PK infrastructure classes in pubkey.h and pkbase.h
 - Enhancements to SecureVector (append, destroy functions)
 - New infrastructure for secure memory allocation
 - Added IEEE P1363 primitives MGF1, EME1, KDF1
 - Rijndael optimizations and cleanups
 - Changed CipherMode<B> to BlockCipherMode(B*)
 - Fixed a nasty bug in pipe_unixfd
 - Added portions of the BigInt code into the main library
 - Support for VAX, SH, POWER, PowerPC-64, Intel C++

* 0.7.6, 2001-10-14
 - Fixed several serious bugs in SecureVector created in 0.7.5
 - Square optimizations
 - Fixed shared objects on MacOS X and HP-UX
 - Fixed static libs for KCC 4.0; works with KCC 3.4g as well
 - Full support for Athlon and K6 processors using GCC
 - Added a table of prime numbers < 2**16 (primes.h)
 - Some minor documentation updates

* 0.7.5, 2001-08-19
 - Split checksum.h into adler32.h, crc24.h, and crc32.h
 - Split modes.h into cbc.h, cfb.h, and ofb.h
 - CBC_wPadding* has been replaced by CBC_Encryption and CBC_Decryption
 - Added OneAndZeros and NoPadding methods for CBC
 - Added Lion, a very fast block cipher construction
 - Added an S2K base class (s2k.h) and an OpenPGP_S2K class (pgp_s2k.h)
 - Basic types (ciphers, hashes, etc) know their names now (call name())
 - Changed the EntropySource type somewhat
 - Big speed-ups for ISAAC, Adler32, CRC24, and CRC32
 - Optimized CAST-256, DES, SAFER-SK, Serpent, SEAL, MD2, and RIPEMD-160
 - Some semantics of SecureVector have changed slightly
 - The mlock module has been removed for the time being
 - Added string handling functions for hashes and MACs
 - Various non-user-visible cleanups
 - Shared library soname is now set to the full version number

* 0.7.4, 2001-07-15
 - New modules: Zlib, gettimeofday and x86 RTC timers, Unix I/O for Pipe
 - Fixed a vast number of errors in the config script/makefile/specfile
 - Pipe now has a stdio(3) interface as well as C++ iostreams
 - ARC4 supports skipping the first N bytes of the cipher stream (ala MARK4)
 - Bzip2 supports decompressing multiple concatenated streams, and flushing
 - Added a simple 'overall average' score to the benchmarks
 - Fixed a small bug in the POSIX timer module
 - Removed a very-unlikely-to-occur bug in most of the hash functions
 - filtbase.h now includes <iosfwd>, not <iostream>
 - Minor documentation updates

* 0.7.3, 2001-06-08
 - Fix build problems on Solaris/SPARC
 - Fix build problems with Perl versions < 5.6
 - Fixed some stupid code that broke on a few compilers
 - Added string handling functions to Pipe
 - MISTY1 optimizations

* 0.7.2, 2001-06-03
 - Build system supports modules
 - Added modules for mlock, a /dev/random EntropySource, POSIX1.b timers
 - Added Bzip2 compression filter, contributed by Peter Jones
 - GNU make no longer required (tested with 4.4BSD pmake and Solaris make)
 - Fixed minor bug in several of the hash functions
 - Various other minor fixes and changes
 - Updates to the documentation

* 0.7.1, 2001-05-16
 - Rewrote configure script: more consistent and complete
 - Made it easier to find out parameters of types at run time (opencl.h)
 - New functions for finding the version being used (version.h)
 - New SymmetricKey interface for Filters (symkey.h)
 - InvalidKeyLength now records what the invalid key length was
 - Optimized DES, CS-Cipher, MISTY1, Skipjack, XTEA
 - Changed GOST to use correct S-box ordering (incompatible change)
 - Benchmark code was almost totally rewritten
 - Many more entries in the test vector file
 - Fixed minor and idiotic bug in check.cpp

* 0.7.0, 2001-03-01
 - First public release