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| *** 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 Withdrawn at the request of RSA DSI. | |
| - 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<DES_EDE3> to | |
| AutoSeededX917RNG<AES> | |
| - 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 <em>e</em> and <em>f</em> | |
| - 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=<arch> and -mfpu=<fpu> 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 <config.compat> | |
| - 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 |