Hi Jeff, I had a look at the page you provided, altough i can't recognize any implementation flaws on my side, could you please shed some further light into this?
Thanks, Bob On 11 sep, 23:35, "Jeffrey Walton" <[EMAIL PROTECTED]> wrote: > Hi Bob, > > http://www.cryptopp.com/wiki/RSA > > Jeff > > On 9/11/07, Bob Doppens <[EMAIL PROTECTED]> wrote: > > > > > Hello, > > > It seems that the RsaSignFile method (taken from test.cpp) returns > > different values depending on the compilation mode (release or debug). > > While the method works ok in debug it doesn't seem to work in release > > (means returns a wrong value). > > > Here are the 2 slightly modified methods (for signing and verifying): > > > static std::string sign(const std::string& message, const std::string& > > priv_key) > > { > > std::string sig; > > CryptoPP::StringSource source(priv_key, true, new > > CryptoPP::HexDecoder()); > > CryptoPP::RSASS<CryptoPP::PKCS1v15, CryptoPP::SHA>::Signer > > signer(source); > > CryptoPP::StringSource(message, true, new > > CryptoPP::SignerFilter(CryptoPP::AutoSeededRandomPool(), signer, > > new CryptoPP::HexEncoder(new > > CryptoPP::StringSink(sig)))); > > > return sig; > > } > > > static bool verify(const std::string& message, const std::string& > > pub_key , const std::string& sig) > > { > > CryptoPP::StringSource pub_source(pub_key, true, new > > CryptoPP::HexDecoder()); > > CryptoPP::RSASS<CryptoPP::PKCS1v15, CryptoPP::SHA>::Verifier > > verifier(pub_source); > > > CryptoPP::StringSource sig_source(sig, true, new > > CryptoPP::HexDecoder()); > > if (sig_source.MaxRetrievable() != > > verifier.SignatureLength()) > > return false; > > > CryptoPP::SecByteBlock signature(verifier.SignatureLength()); > > sig_source.Get(signature, signature.size()); > > > CryptoPP::VerifierFilter *filter = new > > CryptoPP::VerifierFilter(verifier); > > filter->Put(signature, verifier.SignatureLength()); > > CryptoPP::StringSource(message, true, filter); > > > return filter->GetLastResult(); > > } > > > Any help would be appreciated --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the "Crypto++ Users" Google Group. To unsubscribe, send an email to [EMAIL PROTECTED] More information about Crypto++ and this group is available at http://www.cryptopp.com. -~----------~----~----~----~------~----~------~--~---
