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split out crypto++-specific signing code; prefer to create our own RageFileBasic

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This commit is contained in:
Glenn Maynard
2005-05-20 01:42:25 +00:00
parent f098157a4f
commit 57d9817c5c
2 changed files with 25 additions and 4 deletions
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stepmania/src/CryptManager.cpp
+24 -4
View File
@@ -14,7 +14,7 @@ static const CString PRIVATE_KEY_PATH = "Data/private.rsa";
static const CString PUBLIC_KEY_PATH = "Data/public.rsa"; static const CString PUBLIC_KEY_PATH = "Data/public.rsa";
static const CString ALTERNATE_PUBLIC_KEY_DIR = "Data/keys/"; static const CString ALTERNATE_PUBLIC_KEY_DIR = "Data/keys/";
#if !defined(XHAVE_CRYPTOPP) #if !defined(HAVE_CRYPTOPP)
CryptManager::CryptManager() { } CryptManager::CryptManager() { }
CryptManager::~CryptManager() { } CryptManager::~CryptManager() { }
void CryptManager::GenerateRSAKey( unsigned int keyLength, CString privFilename, CString pubFilename, CString seed ) { } void CryptManager::GenerateRSAKey( unsigned int keyLength, CString privFilename, CString pubFilename, CString seed ) { }
@@ -137,19 +137,39 @@ void CryptManager::SignFileToFile( CString sPath, CString sSignatureFile )
return; return;
} }
RageFile file;
if( !file.Open(sMessageFilename) )
{
LOG->Warn( "VerifyFileWithFile: open(%s) failed: %s", sPath.c_str(), file.GetError().c_str() );
return;
}
CString sSignature; CString sSignature;
CString sError;
if( !SignFile(file, sPrivKey, sSignature, sError) )
{
LOG->Warn( "SignFileToFile failed: %s", sError.c_str() );
return;
}
WriteFile( sSignatureFile, sSignature );
}
bool CryptManager::SignFile( RageFileBasic &file, CString sPrivKey, CString &sSignatureOut, CString &sError )
{
try { try {
StringSource privFile( sPrivKey, true ); StringSource privFile( sPrivKey, true );
RSASSA_PKCS1v15_SHA_Signer priv(privFile); RSASSA_PKCS1v15_SHA_Signer priv(privFile);
NonblockingRng rng; NonblockingRng rng;
RageFileSource f(sMessageFilename, true, new SignerFilter(rng, priv, new StringSink(sSignature))); /* RageFileSource will delete the file we give to it, so make a copy. */
RageFileSource f( file.Copy(), true, new SignerFilter(rng, priv, new StringSink(sSignatureOut)) );
} catch( const CryptoPP::Exception &s ) { } catch( const CryptoPP::Exception &s ) {
LOG->Warn( "SignFileToFile failed: %s", s.what() ); LOG->Warn( "SignFileToFile failed: %s", s.what() );
return; return false;
} }
WriteFile( sSignatureFile, sSignature ); return true;
} }
bool CryptManager::VerifyFileWithFile( CString sPath, CString sSignatureFile ) bool CryptManager::VerifyFileWithFile( CString sPath, CString sSignatureFile )
stepmania/src/CryptManager.h
+1
View File
@@ -14,6 +14,7 @@ public:
static void GenerateRSAKey( unsigned int keyLength, CString privFilename, CString pubFilename, CString seed ); static void GenerateRSAKey( unsigned int keyLength, CString privFilename, CString pubFilename, CString seed );
static void SignFileToFile( CString sPath, CString sSignatureFile = "" ); static void SignFileToFile( CString sPath, CString sSignatureFile = "" );
static bool SignFile( RageFileBasic &file, CString sPrivKey, CString &sSignatureOut, CString &sError );
static bool VerifyFile( RageFileBasic &file, CString sSignature, CString sPublicKey, CString &sError ); static bool VerifyFile( RageFileBasic &file, CString sSignature, CString sPublicKey, CString &sError );
static bool VerifyFileWithFile( CString sPath, CString sSignatureFile = "" ); static bool VerifyFileWithFile( CString sPath, CString sSignatureFile = "" );
static bool VerifyFileWithFile( CString sPath, CString sSignatureFile, CString sPublicKeyFile ); static bool VerifyFileWithFile( CString sPath, CString sSignatureFile, CString sPublicKeyFile );