signature=d8553977344d7fb33379edc659643986,History.txt

*** History ***

The History file contains the items that comprise the release notes. The

items in the list below used to be in Readme.txt. Readme.txt now contans the

last several releases.

1.0 - First public release

- Withdrawn at the request of RSA DSI over patent claims

- included Blowfish, BBS, DES, DH, Diamond, DSA, ElGamal, IDEA,

MD5, RC4, RC5, RSA, SHA, WAKE, secret sharing, DEFLATE compression

- had a serious bug in the RSA key generation code.

1.1 - Removed RSA, RC4, RC5

- Disabled calls to RSAREF's non-public functions

- Minor bugs fixed

2.0 - a completely new, faster multiprecision integer class

- added MD5-MAC, HAVAL, 3-WAY, TEA, SAFER, LUC, Rabin, BlumGoldwasser,

elliptic curve algorithms

- added the Lucas strong probable primality test

- ElGamal encryption and signature schemes modified to avoid weaknesses

- Diamond changed to Diamond2 because of key schedule weakness

- fixed bug in WAKE key setup

- SHS class renamed to SHA

- lots of miscellaneous optimizations

2.1 - added Tiger, HMAC, GOST, RIPE-MD160, LUCELG, LUCDIF, XOR-MAC,

OAEP, PSSR, SHARK

- added precomputation to DH, ElGamal, DSA, and elliptic curve algorithms

- added back RC5 and a new RSA

- optimizations in elliptic curves over GF(p)

- changed Rabin to use OAEP and PSSR

- changed many classes to allow copy constructors to work correctly

- improved exception generation and handling

2.2 - added SEAL, CAST-128, Square

- fixed bug in HAVAL (padding problem)

- fixed bug in triple-DES (decryption order was reversed)

- fixed bug in RC5 (couldn't handle key length not a multiple of 4)

- changed HMAC to conform to RFC-2104 (which is not compatible

with the original HMAC)

- changed secret sharing and information dispersal to use GF(2^32)

instead of GF(65521)

- removed zero knowledge prover/verifier for graph isomorphism

- removed several utility classes in favor of the C++ standard library

2.3 - ported to EGCS

- fixed incomplete workaround of min/max conflict in MSVC

3.0 - placed all names into the "CryptoPP" namespace

- added MD2, RC2, RC6, MARS, RW, DH2, MQV, ECDHC, CBC-CTS

- added abstract base classes PK_SimpleKeyAgreementDomain and

PK_AuthenticatedKeyAgreementDomain

- changed DH and LUCDIF to implement the PK_SimpleKeyAgreementDomain

interface and to perform domain parameter and key validation

- changed interfaces of PK_Signer and PK_Verifier to sign and verify

messages instead of message digests

- changed OAEP to conform to PKCS#1 v2.0

- changed benchmark code to produce HTML tables as output

- changed PSSR to track IEEE P1363a

- renamed ElGamalSignature to NR and changed it to track IEEE P1363

- renamed ECKEP to ECMQVC and changed it to track IEEE P1363

- renamed several other classes for clarity

- removed support for calling RSAREF

- removed option to compile old SHA (SHA-0)

- removed option not to throw exceptions

3.1 - added ARC4, Rijndael, Twofish, Serpent, CBC-MAC, DMAC

- added interface for querying supported key lengths of symmetric ciphers

and MACs

- added sample code for RSA signature and verification

- changed CBC-CTS to be compatible with RFC 2040

- updated SEAL to version 3.0 of the cipher specification

- optimized multiprecision squaring and elliptic curves over GF(p)

- fixed bug in MARS key setup

- fixed bug with attaching objects to Deflator

3.2 - added DES-XEX3, ECDSA, DefaultEncryptorWithMAC

- renamed DES-EDE to DES-EDE2 and TripleDES to DES-EDE3

- optimized ARC4

- generalized DSA to allow keys longer than 1024 bits

- fixed bugs in GF2N and ModularArithmetic that can cause calculation errors

- fixed crashing bug in Inflator when given invalid inputs

- fixed endian bug in Serpent

- fixed padding bug in Tiger

4.0 - added Skipjack, CAST-256, Panama, SHA-2 (SHA-256, SHA-384, and SHA-512),

and XTR-DH

- added a faster variant of Rabin's Information Dispersal Algorithm (IDA)

- added class wrappers for these operating system features:

* high resolution timers on Windows, Unix, and MacOS

* Berkeley and Windows style sockets

* Windows named pipes

* /dev/random and /dev/urandom on Linux and FreeBSD

* Microsoft's CryptGenRandom on Windows

- added support for SEC 1 elliptic curve key format and compressed points

- added support for X.509 public key format (subjectPublicKeyInfo) for

RSA, DSA, and elliptic curve schemes

- added support for DER and OpenPGP signature format for DSA

- added support for ZLIB compressed data format (RFC 1950)

- changed elliptic curve encryption to use ECIES (as defined in SEC 1)

- changed MARS key schedule to reflect the latest specification

- changed BufferedTransformation interface to support multiple channels

and messages

- changed CAST and SHA-1 implementations to use public domain source code

- fixed bug in StringSource

- optmized multi-precision integer code for better performance

4.1 - added more support for the recommended elliptic curve parameters in SEC 2

- added Panama MAC, MARC4

- added IV stealing feature to CTS mode

- added support for PKCS #8 private key format for RSA, DSA, and elliptic

curve schemes

- changed Deflate, MD5, Rijndael, and Twofish to use public domain code

- fixed a bug with flushing compressed streams

- fixed a bug with decompressing stored blocks

- fixed a bug with EC point decompression using non-trinomial basis

- fixed a bug in NetworkSource::GeneralPump()

- fixed a performance issue with EC over GF(p) decryption

- fixed syntax to allow GCC to compile without -fpermissive

- relaxed some restrictions in the license

4.2 - added support for longer HMAC keys

- added MD4 (which is not secure so use for compatibility purposes only)

- added compatibility fixes/workarounds for STLport 4.5, GCC 3.0.2,

and MSVC 7.0

- changed MD2 to use public domain code

- fixed a bug with decompressing multiple messages with the same object

- fixed a bug in CBC-MAC with MACing multiple messages with the same object

- fixed a bug in RC5 and RC6 with zero-length keys

- fixed a bug in Adler32 where incorrect checksum may be generated

5.0 - added ESIGN, DLIES, WAKE-OFB, PBKDF1 and PBKDF2 from PKCS #5

- added key validation for encryption and signature public/private keys

- renamed StreamCipher interface to SymmetricCipher, which is now implemented

by both stream ciphers and block cipher modes including ECB and CBC

- added keying interfaces to support resetting of keys and IVs without

having to destroy and recreate objects

- changed filter interface to support non-blocking input/output

- changed SocketSource and SocketSink to use overlapped I/O on Microsoft Windows

- grouped related classes inside structs to help templates, for example

AESEncryption and AESDecryption are now AES::Encryption and AES::Decryption

- where possible, typedefs have been added to improve backwards

compatibility when the CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY macro is defined

- changed Serpent, HAVAL and IDEA to use public domain code

- implemented SSE2 optimizations for Integer operations

- fixed a bug in HMAC::TruncatedFinal()

- fixed SKIPJACK byte ordering following NIST clarification dated 5/9/02

5.01 - added known answer test for X9.17 RNG in FIPS 140 power-up self test

- submitted to NIST/CSE, but not publicly released

5.02 - changed EDC test to MAC integrity check using HMAC/SHA1

- improved performance of integrity check

- added blinding to defend against RSA timing attack

5.03 - created DLL version of Crypto++ for FIPS 140-2 validation

- fixed vulnerabilities in GetNextIV for CTR and OFB modes

5.0.4 - Removed DES, SHA-256, SHA-384, SHA-512 from DLL

5.1 - added PSS padding and changed PSSR to track IEEE P1363a draft standard

- added blinding for RSA and Rabin to defend against timing attacks

on decryption operations

- changed signing and decryption APIs to support the above

- changed WaitObjectContainer to allow waiting for more than 64

objects at a time on Win32 platforms

- fixed a bug in CBC and ECB modes with processing non-aligned data

- fixed standard conformance bugs in DLIES (DHAES mode) and RW/EMSA2

signature scheme (these fixes are not backwards compatible)

- fixed a number of compiler warnings, minor bugs, and portability problems

- removed Sapphire

5.2 - merged in changes for 5.01 - 5.0.4

- added support for using encoding parameters and key derivation parameters

with public key encryption (implemented by OAEP and DL/ECIES)

- added Camellia, SHACAL-2, Two-Track-MAC, Whirlpool, RIPEMD-320,

RIPEMD-128, RIPEMD-256, Base-32 coding, FIPS variant of CFB mode

- added ThreadUserTimer for timing thread CPU usage

- added option for password-based key derivation functions

to iterate until a mimimum elapsed thread CPU time is reached

- added option (on by default) for DEFLATE compression to detect

uncompressible files and process them more quickly

- improved compatibility and performance on 64-bit platforms,

including Alpha, IA-64, x86-64, PPC64, Sparc64, and MIPS64

- fixed ONE_AND_ZEROS_PADDING to use 0x80 instead 0x01 as padding.

- fixed encoding/decoding of PKCS #8 privateKeyInfo to properly

handle optional attributes

5.2.1 - fixed bug in the "dlltest" DLL testing program

- fixed compiling with STLport using VC .NET

- fixed compiling with -fPIC using GCC

- fixed compiling with -msse2 on systems without memalign()

- fixed inability to instantiate PanamaMAC

- fixed problems with inline documentation

5.2.2 - added SHA-224

- put SHA-256, SHA-384, SHA-512, RSASSA-PSS into DLL

5.2.3 - fixed issues with FIPS algorithm test vectors

- put RSASSA-ISO into DLL

5.3 - ported to MSVC 2005 with support for x86-64

- added defense against AES timing attacks, and more AES test vectors

- changed StaticAlgorithmName() of Rijndael to "AES", CTR to "CTR"

5.4 - added Salsa20

- updated Whirlpool to version 3.0

- ported to GCC 4.1, Sun C++ 5.8, and Borland C++Builder 2006

5.5 - added VMAC and Sosemanuk (with x86-64 and SSE2 assembly)

- improved speed of integer arithmetic, AES, SHA-512, Tiger, Salsa20,

Whirlpool, and PANAMA cipher using assembly (x86-64, MMX, SSE2)

- optimized Camellia and added defense against timing attacks

- updated benchmarks code to show cycles per byte and to time key/IV setup

- started using OpenMP for increased multi-core speed

- enabled GCC optimization flags by default in GNUmakefile

- added blinding and computational error checking for RW signing

- changed RandomPool, X917RNG, GetNextIV, DSA/NR/ECDSA/ECNR to reduce

the risk of reusing random numbers and IVs after virtual machine state

rollback

- changed default FIPS mode RNG from AutoSeededX917RNG to

AutoSeededX917RNG

- fixed PANAMA cipher interface to accept 256-bit key and 256-bit IV

- moved MD2, MD4, MD5, PanamaHash, ARC4, WAKE_CFB into the namespace "Weak"

- removed HAVAL, MD5-MAC, XMAC

5.5.1 - fixed VMAC validation failure on 32-bit big-endian machines

5.5.2 - ported x64 assembly language code for AES, Salsa20, Sosemanuk, and Panama

to MSVC 2005 (using MASM since MSVC doesn't support inline assembly on x64)

- fixed Salsa20 initialization crash on non-SSE2 machines

- fixed Whirlpool crash on Pentium 2 machines

- fixed possible branch prediction analysis (BPA) vulnerability in

MontgomeryReduce(), which may affect security of RSA, RW, LUC

- fixed link error with MSVC 2003 when using "debug DLL" form of runtime library

- fixed crash in SSE2_Add on P4 machines when compiled with

MSVC 6.0 SP5 with Processor Pack

- ported to MSVC 2008, GCC 4.2, Sun CC 5.9, Intel C++ Compiler 10.0,

and Borland C++Builder 2007

5.6.0 - added AuthenticatedSymmetricCipher interface class and Filter wrappers

- added CCM, GCM (with SSE2 assembly), EAX, CMAC, XSalsa20, and SEED

- added support for variable length IVs

- added OIDs for Brainpool elliptic curve parameters

- improved AES and SHA-256 speed on x86 and x64

- changed BlockTransformation interface to no longer assume data alignment

- fixed incorrect VMAC computation on message lengths

that are >64 mod 128 (x86 assembly version is not affected)

- fixed compiler error in vmac.cpp on x86 with GCC -fPIC

- fixed run-time validation error on x86-64 with GCC 4.3.2 -O2

- fixed HashFilter bug when putMessage=true

- fixed AES-CTR data alignment bug that causes incorrect encryption on ARM

- removed WORD64_AVAILABLE; compiler support for 64-bit int is now required

- ported to GCC 4.3, C++Builder 2009, Sun CC 5.10, Intel C++ Compiler 11

5.6.1 - added support for AES-NI and CLMUL instruction sets in AES and GMAC/GCM

- removed WAKE-CFB

- fixed several bugs in the SHA-256 x86/x64 assembly code:

* incorrect hash on non-SSE2 x86 machines on non-aligned input

* incorrect hash on x86 machines when input crosses 0x80000000

* incorrect hash on x64 when compiled with GCC with optimizations enabled

- fixed bugs in AES x86 and x64 assembly causing crashes in some MSVC build configurations

- switched to a public domain implementation of MARS

- ported to MSVC 2010, GCC 4.5.1, Sun Studio 12u1, C++Builder 2010, Intel C++ Compiler 11.1

- renamed the MSVC DLL project to "cryptopp" for compatibility with MSVC 2010

5.6.2 - changed license to Boost Software License 1.0

- added SHA-3 (Keccak)

- updated DSA to FIPS 186-3 (see DSA2 class)

- fixed Blowfish minimum keylength to be 4 bytes (32 bits)

- fixed Salsa validation failure when compiling with GCC 4.6

- fixed infinite recursion when on x64, assembly disabled, and no AESNI

- ported to MSVC 2012, GCC 4.7, Clang 3.2, Solaris Studio 12.3, Intel C++ Compiler 13.0

5.6.3 - maintenance release, honored API/ABI/Versioning requirements

- expanded processes to include community and its input

* 12 unique contributors for this release

- fixed CVE-2015-2141

- cleared most Undefined Behavior Sanitizer (UBsan) findings

- cleared all Address Sanitizer (Asan) findings

- cleared all Valgrind findings

- cleared all Coverity findings

- cleared all Enterprise Analysis (/analyze) findings

- cleared most GCC warnings with -Wall

- cleared most Clang warnings with -Wall

- cleared most MSVC warnings with /W4

- added -fPIC 64-bit builds. Off by default for i386

- added HKDF class from RFC 5868

- switched to member_ptr due to C++ 11 warnings for auto_ptr

- initialization of C++ static objects, off by default

* GCC and init_priotirty/constructor attributes

* MSVC and init_seg(lib)

* CRYPTOPP_INIT_PRIORITY disabled by default, but available

- improved OS X support

- improved GNUmakefile support for Testing and QA

- added self tests for additional Testing and QA

- added cryptest.sh for systematic Testing and QA

- added GNU Gold linker support

- added Visual Studio 2010 solution and project files in vs2010.zip

- added Clang integrated assembler support

- unconditionally define CRYPTOPP_NO_UNALIGNED_DATA_ACCESS for Makefile

target 'ubsan' and at -O3 due to GCC vectorization on x86 and x86_64

- workaround ARMEL/GCC 5.2 bug and failed self test

- fixed crash in MQV due to GCC 4.9+ and inlining

- fixed hang in SHA due to GCC 4.9+ and inlining

- fixed missing rdtables::Te under VS with ALIGNED_DATA_ACCESS

- fixed S/390 and big endian feature detection

- fixed S/390 and int128_t/uint128_t detection

- fixed X32 (ILP32) feature detection

- removed _CRT_SECURE_NO_DEPRECATE for Microsoft platforms

- utilized bound checking interfaces from ISO/IEC TR 24772 when available

- improved ARM, ARM64, MIPS, MIPS64, S/390 and X32 (ILP32) support

- introduced CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562

- added additional Doxygen-based documentation

- ported to MSVC 2015, Xcode 7.2, GCC 5.2, Clang 3.7, Intel C++ 16.00

5.6.4 - September 11, 2016

- maintenance release, honored API/ABI/Versioning requirements

- expanded community input and support

* 22 unique contributors for this release

- fixed CVE-2016-3995

- changed SHA3 to FIPS 202 (F1600, XOF d=0x06)

- added Keccak (F1600, XOF d=0x01)

- added ChaCha (ChaCha8/12/20)

- added HMQV and FHMQV

* Hashed and Fully Hashed MQV

- added BLAKE2 (BLAKE2s and BLAKE2b)

* C++, SSE2, SSE4, ARM NEON and ARMv8 ASIMD

- added CRC32-C

* C/C++, Amd64 CRC, and ARMv8 CRC

- improved Rabin-William signatures

* Tweaked roots e and f

- improved C++11 support

* atomics, threads and fences

* alginof, alignas

* constexpr

* noexcept

- improved GCM mode

* ARM NEON and ARMv8 ASIMD

* ARMv8 carry-less multiply

- improved Windows 8 and 10 support

* Windows Phone, Universal Windows Platform, Windows Store

- improved MIPS, ARMv7 and ARMv8 support

* added scripts setenv-{android|embedded|ios}.sh for GNUmakefile-cross

* aggressive use of -march= and -mfpu= in cryptest.sh

- improved build systems

* Visual Studio 2010 default

* added CMake support (lacks FindCryptopp.cmake)

* archived VC++ 5/0/6.0 project files (vc60.zip)

* archived VS2005 project files (vs2005.zip)

* archived Borland project files (bds10.zip)

- improved Testing and QA

* expanded platforms and compilers

* added code generation tests based on CPU features

* added C++03, C++11, C++14, C++17 testing

* added -O3, -O5, -Ofast and -Os testing

- ported to MSVC 2015 SP3, Xcode 9.0, Sun Studio 12.5, GCC 7.0,

MacPorts GCC 7.0, Clang 3.8, Intel C++ 17.00

5.6.5 - October 11, 2016

- maintenance release, recompile of programs recommended

- expanded community input and support

* 25 unique contributors as of this release

- fixed CVE-2016-7420 (Issue 277, document NDEBUG for production/release)

- fixed CVE-2016-7544 (Issue 302, avoid _malloca and _freea)

- shipped library in recommended state

* backwards compatibility achieved with

- Visual Studio project file cleanup

* improved X86 and X64 MSBuild support

* added ARM-based MSBuild awareness

- improved Testing and QA

* expanded platforms and compilers

* expanded Coverity into OS X and Windows platforms

* added Windows test scripts using Strawberry Perl

- ported to MSVC 2015 SP3, Xcode 7.3, Sun Studio 12.5, GCC 7.0,

MacPorts GCC 7.0, Clang 3.8, Intel C++ 17.00

6.0.0 - January 22, 2018

- Major release, recompile of programs required

- expanded community input and support

* 43 unique contributors as of this release

- fixed CVE-2016-9939 (Issue 346, transient DoS)

- fixed CVE-2017-9434 (Issue 414, misidentified memory error)

- converted to BASE+SIMD implementation

* BASE provides an architecture neutral C++ implementation

* SIMD provides architecture specific hardware acceleration

- improved PowerPC Power4, Power7 and Power8 support

- added ARIA, EC German DSA, Deterministic signatures (RFC 6979),

Kalyna, NIST Hash and HMAC DRBG, Padlock RNG, Poly1305, SipHash,

Simon, Speck, SM3, SM4, Threefish algorithms

- added NaCl interface from the compact library

* x25519 key exhange and ed25519 signing provided through NaCl interface

- improved Testing and QA

- ported to MSVC 2017, Xcode 8.1, Sun Studio 12.5, GCC 7.0,

MacPorts GCC 7.0, Clang 4.0, Intel C++ 17.00, IBM XL C/C++ 13.1

6.1.0 - February 22, 2018

- minor release, maintenance items

- expanded community input and support

* 46 unique contributors as of this release

- use 2048-bit modulus default for DSA

- fix build under Linuxbrew

- use /bin/sh in GNUmakefile

- fix missing flags for SIMON and SPECK in GNUMakefile-cross

- fix ARM and MinGW misdetection

- port setenv-android.sh to latest NDK

- fix Clang check for C++11 lambdas

- Simon and Speck to little-endian implementation

- use LIB_MAJOR for ABI compatibility

- fix ODR violation in AdvancedProcessBlocks_{ARCH} templates

- handle C++17 std::uncaught_exceptions

- ported to MSVC 2017, Xcode 8.1, Sun Studio 12.5, GCC 8.0.1,

MacPorts GCC 7.0, Clang 4.0, Intel C++ 17.00, IBM XL C/C++ 13.1

7.0.0 - April 8, 2018

- major release, recompile of programs required

- expanded community input and support

* 48 unique contributors as of this release

- fix incorrect result when using Integer::ModInverse

* may be CVE worthy, but request was not submitted

- fix ARIA/CTR bus error on Sparc64

- fix incorrect result when using a_exp_b_mod_c

- fix undeclared identifier uint32_t on early Visual Studio

- fix iPhoneSimulator build on i386

- fix incorrect adler32 in ZlibDecompressor

- fix Power7 test using PPC_FEATURE_ARCH_2_06

- workaround incorrect Glibc sysconf return value on ppc64-le

- add KeyDerivationFunction interface

- add scrypt key derivation function

- add Salsa20_Core transform callable from outside class

- add sbyte, sword16, sword32 and sword64

- remove s_nullNameValuePairs from unnamed namespace

- ported to MSVC 2017, Xcode 9.3, Sun Studio 12.5, GCC 8.0.1,

MacPorts GCC 7.0, Clang 4.0, Intel C++ 17.00, IBM XL C/C++ 13.1

8.0.0 - December 28, 2018

- major release, recompile of programs required

- expanded community input and support

* 54 unique contributors as of this release

- add x25519 key exchange and ed25519 signature scheme

- add limited Asymmetric Key Package support from RFC 5958

- add Power9 DARN random number generator support

- add CHAM, HC-128, HC-256, Hight, LEA, Rabbit, Simeck

- fix FixedSizeAllocatorWithCleanup may be unaligned on some platforms

- cutover to GNU Make-based cpu feature tests

- rename files with dashes to underscores

- fix LegacyDecryptor and LegacyDecryptorWithMAC use wrong MAC

- fix incorrect AES/CBC decryption on Windows

- avoid Singleton when possible, avoid std::call_once completely

- fix SPARC alignment problems due to GetAlignmentOf() on word64

- add ARM AES asm implementation from Cryptogams

- remove CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS support

8.1.0 - February 22, 2019

- minor release, no recompile of programs required

- expanded community input and support

* 56 unique contributors as of this release

- fix OS X PowerPC builds with Clang

- add Microsoft ARM64 support

- fix iPhone Simulator build due to missing symbols

- add CRYPTOPP_BUGGY_SIMD_LOAD_AND_STORE

- add carryless multiplies for NIST b233 and k233 curves

- fix OpenMP build due to use of OpenMP 4 with down-level compilers

- add SignStream and VerifyStream for ed25519 and large files

- fix missing AlgorithmProvider in PanamaHash

- add SHAKE-128 and SHAKE-256

- fix AVX2 build due to _mm256_broadcastsi128_si256

- add IETF ChaCha, XChaCha, ChaChaPoly1305 and XChaChaPoly1305

8.2.0 - April 28, 2019

- minor release, no recompile of programs required

- expanded community input and support

* 56 unique contributors as of this release

- use PowerPC unaligned loads and stores with Power8

- add SKIPJACK test vectors

- fix SHAKE-128 and SHAKE-256 compile

- removed IS_NEON from Makefile

- fix Aarch64 build on Fedora 29

- fix missing GF2NT_233_Multiply_Reduce_CLMUL in FIPS DLL

- add missing BLAKE2 constructors

- fix missing BlockSize() in BLAKE2 classes

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