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reduce crypto++ code by doing our own file writing (simpler)

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Glenn Maynard
2005-05-19 21:21:37 +00:00
parent f701c3f261
commit d406068148
3 changed files with 38 additions and 65 deletions
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stepmania/src/CryptManager.cpp
+38 -3
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@@ -61,25 +61,56 @@ CryptManager::~CryptManager()
}
static bool WriteFile( CString sFile, CString sBuf )
{
RageFile output;
if( !output.Open(sFile, RageFile::WRITE) )
{
LOG->Warn( "WriteFile: opening %s failed: %s", sFile.c_str(), output.GetError().c_str() );
return false;
}
if( output.Write(sBuf) == -1 || output.Flush() == -1 )
{
LOG->Warn( "WriteFile: writing %s failed: %s", sFile.c_str(), output.GetError().c_str() );
output.Close();
FILEMAN->Remove( sFile );
return false;
}
return true;
}
void CryptManager::GenerateRSAKey( unsigned int keyLength, CString privFilename, CString pubFilename, CString seed )
{
ASSERT( PREFSMAN->m_bSignProfileData );
CString sPubKey, sPrivKey;
try
{
NonblockingRng rng;
RSASSA_PKCS1v15_SHA_Signer priv(rng, keyLength);
RageFileSink privFile(privFilename);
StringSink privFile( sPrivKey );
priv.DEREncode(privFile);
privFile.MessageEnd();
RSASSA_PKCS1v15_SHA_Verifier pub(priv);
RageFileSink pubFile(pubFilename);
StringSink pubFile( sPubKey );
pub.DEREncode(pubFile);
pubFile.MessageEnd();
} catch( const CryptoPP::Exception &s ) {
LOG->Warn( "GenerateRSAKey failed: %s", s.what() );
return;
}
if( !WriteFile(pubFilename, sPubKey) )
return;
if( !WriteFile(privFilename, sPrivKey) )
{
FILEMAN->Remove( privFilename );
return;
}
}
@@ -104,15 +135,19 @@ void CryptManager::SignFileToFile( CString sPath, CString sSignatureFile )
return;
}
CString sSignature;
try {
RageFileSource privFile(sPrivFilename, true);
RSASSA_PKCS1v15_SHA_Signer priv(privFile);
NonblockingRng rng;
RageFileSource f(sMessageFilename, true, new SignerFilter(rng, priv, new RageFileSink(sSignatureFile)));
RageFileSource f(sMessageFilename, true, new SignerFilter(rng, priv, new StringSink(sSignature)));
} catch( const CryptoPP::Exception &s ) {
LOG->Warn( "SignFileToFile failed: %s", s.what() );
return;
}
WriteFile( sSignatureFile, sSignature );
}
bool CryptManager::VerifyFileWithFile( CString sPath, CString sSignatureFile )