prepare for release
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Readme.txt
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Readme.txt
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Crypto++: a C++ Class Library of Cryptographic Schemes
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Version 5.5.1 5/24/2007
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Version 5.5.2 (9/24/2007)
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This library includes:
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Crypto++ Library is a free C++ class library of cryptographic schemes.
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Currently the library contains the following algorithms:
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- a class hierarchy with an API defined by abstract base classes
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- AES (Rijndael) and AES candidates: RC6, MARS, Twofish, Serpent,
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CAST-256
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- other symmetric block ciphers: IDEA, DES, Triple-DES (DES-EDE2
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and DES-EDE3), DESX (DES-XEX3), RC2, RC5, Blowfish, Diamond2,
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TEA, SAFER, 3-WAY, GOST, SHARK, CAST-128, Square, Skipjack,
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Camellia, SHACAL-2
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- generic cipher modes: ECB, CBC, CBC ciphertext stealing (CTS),
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CFB, OFB, counter mode (CTR)
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- stream ciphers: Panama, ARC4, SEAL, WAKE, WAKE-OFB, Salsa20
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BlumBlumShub
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- public key cryptography: RSA, DSA, ElGamal, Nyberg-Rueppel
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(NR), Rabin, Rabin-Williams (RW), LUC, LUCELG, DLIES (variants
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of DHAES), ESIGN
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- padding schemes for public-key systems: PKCS#1 v2.0, OAEP,
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PSSR, IEEE P1363 EMSA2
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- key agreement schemes: Diffie-Hellman (DH), Unified Diffie-
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Hellman (DH2), Menezes-Qu-Vanstone (MQV), LUCDIF, XTR-DH
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- elliptic curve cryptography: ECDSA, ECNR, ECIES, ECDH, ECMQV
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- one-way hash functions: SHA-1, MD2, MD4, MD5, RIPEMD-128,
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RIPEMD-256, RIPEMD-160, RIPEMD-320, Tiger, SHA-2 (SHA-224,
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SHA-256, SHA-384, and SHA-512), Panama, Whirlpool
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- message authentication codes: HMAC, CBC-MAC, DMAC, VMAC
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Two-Track-MAC
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- cipher constructions based on hash functions: Luby-Rackoff, MDC
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- pseudo random number generators (PRNG): ANSI X9.17 appendix C,
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PGP's RandPool
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- password based key derivation functions: PBKDF1 and PBKDF2 from
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PKCS #5
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- Shamir's secret sharing scheme and Rabin's information
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dispersal algorithm (IDA)
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- DEFLATE (RFC 1951) compression/decompression with gzip (RFC
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1952) and zlib (RFC 1950) format support
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- fast multi-precision integer (bignum) and polynomial
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operations, with SSE2 optimizations for Pentium 4 processors
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- finite field arithmetics, including GF(p) and GF(2^n)
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- prime number generation and verification
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- various miscellaneous modules such as base 64 coding and 32-bit
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CRC
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- class wrappers for these operating system features (optional):
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- high resolution timers on Windows, Unix, and MacOS
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- Berkeley and Windows style sockets
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- Windows named pipes
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- /dev/random and /dev/urandom on Linux and FreeBSD
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- Microsoft's CryptGenRandom on Windows
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- A high level interface for most of the above, using a
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filter/pipeline metaphor
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- benchmarks and validation testing
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- FIPS 140-2 Validated
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algorithm type name
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high speed stream ciphers Panama, Salsa20, Sosemanuk
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AES and AES candidates AES (Rijndael), RC6, MARS, Twofish, Serpent,
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CAST-256
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IDEA, Triple-DES (DES-EDE2 and DES-EDE3),
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other block ciphers Camellia, RC5, Blowfish, TEA, XTEA,
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Skipjack, SHACAL-2
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block cipher modes of operation ECB, CBC, CBC ciphertext stealing (CTS),
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CFB, OFB, counter mode (CTR)
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message authentication codes VMAC, HMAC, CBC-MAC, DMAC, Two-Track-MAC
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SHA-1, SHA-2 (SHA-224, SHA-256, SHA-384, and
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hash functions SHA-512), Tiger, WHIRLPOOL, RIPEMD-128,
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RIPEMD-256, RIPEMD-160, RIPEMD-320
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RSA, DSA, ElGamal, Nyberg-Rueppel (NR),
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public-key cryptography Rabin, Rabin-Williams (RW), LUC, LUCELG,
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DLIES (variants of DHAES), ESIGN
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padding schemes for public-key PKCS#1 v2.0, OAEP, PSS, PSSR, IEEE P1363
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systems EMSA2 and EMSA5
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Diffie-Hellman (DH), Unified Diffie-Hellman
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key agreement schemes (DH2), Menezes-Qu-Vanstone (MQV), LUCDIF,
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XTR-DH
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elliptic curve cryptography ECDSA, ECNR, ECIES, ECDH, ECMQV
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insecure or obsolescent MD2, MD4, MD5, Panama Hash, DES, ARC4, SEAL
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algorithms retained for backwards 3.0, WAKE, WAKE-OFB, DESX (DES-XEX3), RC2,
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compatibility and historical SAFER, 3-WAY, GOST, SHARK, CAST-128, Square
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value
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Other features include:
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* pseudo random number generators (PRNG): ANSI X9.17 appendix C, RandomPool
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* password based key derivation functions: PBKDF1 and PBKDF2 from PKCS #5,
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PBKDF from PKCS #12 appendix B
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* Shamir's secret sharing scheme and Rabin's information dispersal algorithm
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(IDA)
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* fast multi-precision integer (bignum) and polynomial operations
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* finite field arithmetics, including GF(p) and GF(2^n)
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* prime number generation and verification
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* useful non-cryptographic algorithms
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+ DEFLATE (RFC 1951) compression/decompression with gzip (RFC 1952) and
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zlib (RFC 1950) format support
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+ hex, base-32, and base-64 coding/decoding
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+ 32-bit CRC and Adler32 checksum
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* class wrappers for these operating system features (optional):
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+ high resolution timers on Windows, Unix, and Mac OS
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+ Berkeley and Windows style sockets
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+ Windows named pipes
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+ /dev/random, /dev/urandom, /dev/srandom
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+ Microsoft's CryptGenRandom on Windows
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* A high level interface for most of the above, using a filter/pipeline
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metaphor
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* benchmarks and validation testing
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* x86, x86-64 (x64), MMX, and SSE2 assembly code for the most commonly used
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algorithms, with run-time CPU feature detection and code selection
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* some versions are available in FIPS 140-2 validated form
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You are welcome to use it for any purpose without paying me, but see
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License.txt for the fine print.
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This version of Crypto++ has been compiled successfully with MSVC 6.0 SP5
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and .NET 2005 SP1 on Windows XP SP2, GCC 3.4.4 on FreeBSD 6.1, GCC 4.1.2 on
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Linux 2.6, GCC 3.4.4 on Cygwin 1.5.21, GCC 4.0.1 on MacOS X 10.4.7, and
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Borland C++Builder 2006. For an update to date list of supported compilers
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and operating systems, please visit http://www.cryptopp.com.
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The following compilers are supported for this release. Please visit
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http://www.cryptopp.com the most up to date build instructions and porting notes.
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* MSVC 6.0 - 2008
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* GCC 3.3 - 4.2
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* Borland C++Builder 2006 - 2007
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* Intel C++ Compiler 9.1 - 10.0
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* Sun Studio 11 - 12 (CC 5.8 - 5.9)
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*** Important Usage Notes ***
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@ -352,7 +372,7 @@ the mailing list.
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5.2.3 - fixed issues with FIPS algorithm test vectors
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- put RSASSA-ISO into DLL
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5.3 - ported to MSVC .NET 2005 with support for x86-64
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5.3 - ported to MSVC 2005 with support for x86-64
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- added defense against AES timing attacks, and more AES test vectors
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- changed StaticAlgorithmName() of Rijndael to "AES", CTR to "CTR"
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@ -376,7 +396,19 @@ the mailing list.
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- fixed PANAMA cipher interface to accept 256-bit key and 256-bit IV
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- moved MD2, MD4, MD5, PanamaHash, ARC4, WAKE_CFB into the namespace "Weak"
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- removed HAVAL, MD5-MAC, XMAC
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5.5.1 - fixed VMAC validation failure on 32-bit big-endian machines
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5.5.2 - ported x64 assembly language code for AES, Salsa20, Sosemanuk, and Panama
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to MSVC 2005 (using MASM since MSVC doesn't support inline assembly on x64)
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- fixed Salsa20 initialization crash on non-SSE2 machines
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- fixed Whirlpool crash on Pentium 2 machines
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- fixed possible branch prediction analysis (BPA) vulnerability in
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MontgomeryReduce(), which may affect security of RSA, RW, LUC
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- fixed link error with MSVC 2003 when using "debug DLL" form of runtime library
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- fixed crash in SSE2_Add on P4 machines when compiled with
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MSVC 6.0 SP5 with Processor Pack
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- added support for newly released compilers: MSVC 2008, GCC 4.2, Sun CC 5.9,
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Intel C++ Compiler 10.0, and Borland C++Builder 2007
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Written by Wei Dai
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