//?CryptoPP.cpp
//
#include?“stdafx.h“

#include?
using?CryptoPP::DSA;
using?CryptoPP::DSA_DER;
using?CryptoPP::DSA_P1363;

#include?
using?CryptoPP::PrivateKey;
using?CryptoPP::PublicKey;

#include?
using?CryptoPP::AutoSeededRandomPool;

#include?
using?CryptoPP::FileSource;
using?CryptoPP::FileSink;
using?CryptoPP::StringSource;
using?CryptoPP::StringSink;

bool?CreateDSAKeys（）;
bool?SignDSAMessage（）;
bool?VerifyDSAMessage（）;

int?main（int?argc?char*?argv[]）
{
????CreateDSAKeys（）;

????SignDSAMessage（）;

????VerifyDSAMessage（）;

????return?0;
}

bool?CreateDSAKeys（）
{
????AutoSeededRandomPool?prng;

????try
????{
????????//?Crypto++?Key?Generation
????????DSA::Signer?signer;????????
????????PrivateKey&?privateKey?=?signer.AccessPrivateKey（）;
????????privateKey.GenerateRandom（?prng?）;

????????DSA::Verifier?verifier（?signer?）;
????????PublicKey&?publicKey?=?verifier.AccessPublicKey（）;

????????//?Crypto++?Save?Keys
????????privateKey.Save（FileSink（“private.dsa.cpp.key“））;
????????publicKey.Save（FileSink（“public.dsa.cpp.key“））;
????}

????catch（?CryptoPP::Exception&?ex?）
????{
????????cerr?<????????cerr?<
????????return?false;
????}

????catch（?std::exception&?ex?）
????{
????????cerr?<????????cerr?<
????????return?false;
????}

????return?true;
}


bool?VerifyDSAMessage（）
{
????try
????{
????????//
????????//?Crypto++?Load?the?Pubic?Key
????????//
????????DSA::Verifier?verifier;
????????PublicKey&?publicKey?=?verifier.AccessPublicKey（）;

????????//?publicKey.Load（FileSource（“public.dsa.cpp.key“?true））;
????????//?publicKey.Load（FileSource（“public.dsa.java.key“?true））;
????????publicKey.Load（FileSource（“public.dsa.cs.key“?true））;

????????//
????????//?Retrieve?the?Message?and?the?Signature?on?Message
????????//
????????string?message?signature;

????????//?C++
????????FileSource（?“dsa.cpp.msg“?true?new?StringSink（?message?）?）;
????????FileSource（?“dsa.cpp.sig“?true?new?StringSink（?signature?）?）;

????????//?Java
????????//?FileSource（?“dsa.java.msg“?true?new?StringSink（?message?）?）;
????????//?FileSource（?“dsa.java.sig“?true?new?StringSink（?signature?）?）;

????????//?C#
????????//?FileSource（?“dsa.cs.msg“?true?new?StringSink（?message?）?）;
????????//?FileSource（?“dsa.cs.sig“?true?new?StringSink（?signature?）?）;

????????//*
????????//?---?Begin?Java?Specific?Conversion?---

????????//
????????//?Convert:?DER?->?P1363
????????//

????????//?Java?is?DER?Encoded?Sequence.
????????//?Crypto++?is?P1363?format.
????????/*
????????{????????????
????????????//?From?dsa.h:?If?toFormat?==?DSA_P1363
????????????//???bufferSize?must?equal?publicKey.SignatureLength（）
????????????size_t?length?=?verifier.SignatureLength（）;

????????????//?A?buffer?for?the?conversion
????????????byt

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????147479??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx.htm

?????文件???????2413??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\49D920C6-4CF4-49D1-AE77-D5D16BAB8849.jpg

?????文件???????5434??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\addto.js

?????文件????????966??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_blink.png

?????文件????????222??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_Delicious.png

?????文件????????940??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_Digg.png

?????文件????????959??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_Facebook.png

?????文件????????974??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_Furl.png

?????文件???????1133??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_Google.png

?????文件???????1054??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_Live.png

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?????文件????????131??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_Newsvine.png

?????文件????????800??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_Reddit.png

?????文件????????595??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_Simpy.png

?????文件???????1139??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_stumbleupon.png

?????文件????????468??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_Technorati.png

?????文件????????968??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\AddTo_Yahoo.png

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?????文件??????10568??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\image02.png

?????文件???????9456??2008-05-16?20:08??C#數(shù)字簽名源碼\CryptoInteropSign.aspx_files\image03.png

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