算法由：
劲维在线提供
http://www.cqjwell.com
Crypto++: a C++ Class Library of Cryptographic Primitives
Version 3.0 1/1/1999
This library includes:
MD2, MD5, SHA-1, HAVAL, Tiger, RIPE-MD160, MD5-MAC, HMAC, XOR-MAC, DES,
IDEA, WAKE, 3-WAY, TEA, SAFER, Blowfish, SHARK, GOST, CAST-128, Square,
Diamond2, Sapphire, RC2, RC5, RC6, MARS, SEAL, Luby-Rackoff, MDC,
various encryption modes (CFB, CBC, OFB, counter), DH, DH2, MQV, DSA,
NR, ElGamal, LUC, LUCDIF, LUCELG, Rabin, RW, RSA, BlumGoldwasser,
elliptic curve cryptosystems, BBS, DEFLATE compression,
Shamir's secret sharing scheme, Rabin's information dispersal scheme.
There are also various miscellanous modules such as base 64 coding and
32-bit CRC.
You are welcome to use it for any purpose without paying me, but see
license.txt for the fine print.
Crypto++ has been compiled successfully with MSVC 6.0 and EGCS/cygwin32
1.1 on Windows NT 5.0 beta 2.
To compile Crypto++ with MSVC, open the "cryptest.dsw" workspace file
and build the "cryptest" project. This will compile Crypto++ as a static
library and also build the test driver. Run the test driver and make sure
the validation suite passes. Then to use the library simply insert the
"cryptlib.dsp" project file into your own application workspace as a
dependent project.
A makefile is included for you to compile Crypto++ with EGCS. But first
you may have to make some changes to the system header files to work around
problems in the EGCS 1.1 release. Please check the Crypto++ homepage
(see below) for the latest updates.
Right now there is very little documentation for Crypto++. If you are
not familiar with cryptography, I suggest that you read an introductory
text (such as Bruce Schneier's _Applied Cryptography_) before attempting
to use this library. Otherwise, you should start by looking at
cryptlib.h, which contains the main abstract base classes and their
descriptions, and test.cpp, which contains sample/test code.
Finally, a note on object ownership: If a constructor for A takes
a pointer to an object B (except primitive types such as int and char),
then A owns B and will delete B at A's destruction. If a constructor
for A takes a reference to an object B, then the caller retains ownership
of B and should not destroy it until A no longer needs it.
Good luck, and feel free to e-mail me at weidai@eskimo.com if you have
any problems. Also, check http://www.eskimo.com/~weidai/cryptlib.html
for updates and new versions.
Wei Dai
History
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 Withdrawn at the request of RSA DSI.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 big 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
- 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
- removed option not to throw exceptions
各种加解密算法c++源码 （234个子文件） 
diamondt.cpp 148KB sharkbox.cpp 119KB integer.cpp 50KB tigertab.cpp 44KB squaretb.cpp 32KB cast128s.cpp 29KB ztrees.cpp 28KB zinflate.cpp 26KB nbtheory.cpp 25KB bench.cpp 24KB validat1.cpp 23KB zdeflate.cpp 22KB diamond.cpp 18KB validat2.cpp 16KB validat3.cpp 16KB haval.cpp 15KB gf2n.cpp 15KB bfinit.cpp 14KB polynomi.cpp 13KB des.cpp 12KB test.cpp 12KB luc.cpp 11KB cast.cpp 10KB ripemd.cpp 10KB eccrypto.cpp 9KB algebra.cpp 9KB sha.cpp 8KB marss.cpp 7KB safer.cpp 6KB idea.cpp 6KB mars.cpp 6KB dessp.cpp 6KB ecp.cpp 6KB dsa.cpp 6KB square.cpp 5KB shark.cpp 5KB md5mac.cpp 5KB default.cpp 5KB queue.cpp 5KB rw.cpp 5KB secshare.cpp 5KB ec2n.cpp 5KB cbc.cpp 5KB md2.cpp 4KB elgamal.cpp 4KB sapphire.cpp 4KB md5.cpp 4KB nr.cpp 4KB pkcspad.cpp 4KB 3way.cpp 4KB crc.cpp 4KB cryptlib.cpp 4KB seal.cpp 4KB gzip.cpp 4KB wake.cpp 4KB gost.cpp 4KB rabin.cpp 4KB blumgold.cpp 4KB rc2.cpp 3KB rsa.cpp 3KB rc6.cpp 3KB forkjoin.cpp 3KB mqv.cpp 3KB modes.cpp 3KB oaep.cpp 3KB rng.cpp 3KB rc5.cpp 3KB pubkey.cpp 3KB base64.cpp 2KB tiger.cpp 2KB blowfish.cpp 2KB iterhash.cpp 2KB modexppc.cpp 2KB randpool.cpp 2KB asn.cpp 2KB dh.cpp 2KB zbits.cpp 2KB eprecomp.cpp 2KB files.cpp 2KB gf2_32.cpp 2KB tea.cpp 2KB misc.cpp 2KB secsplit.cpp 1KB filters.cpp 1KB blumshub.cpp 1KB gf256.cpp 626B dh2.cpp 579B hex.cpp 455B pch.cpp 18B dsa1024.dat 9KB descert.dat 9KB rsa2048.dat 2KB nr2048.dat 2KB elgc2048.dat 2KB rsa512a.dat 1KB rabi2048.dat 1KB luc2048.dat 1KB rw2048.dat 1KB blum2048.dat 1KB rsa1024.dat 1KB共 234 条
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