I'm using .NET 2.0 (RSACryptoServiceProvider.SignData) to generate a
signature, then I'm verifying that signature in c++ using Crypto++
with the following code snippet:
vector<uint8_t> key; // Populated with key bytes loaded from X.
509 ASN.1 file created by Crypto++
vector<uint8_t> message; // Bytes of message
vector<uint8_t> signature; // Bytes of signature
RSASS<PKCS1v15, SHA>::Verifier verifier(ArraySource(&key[0],
key.size(), true));
if (ArraySource(&signature[0], signature.size(),
true).MaxRetrievable() != verifier.SignatureLength())
{
return false;
}
return verifier.VerifyMessage(&bytes[0], bytes.size(), &signature
[0], signature.size());
This code snippet is wrapped in a try/catch that handles
CryptoPP::Exception's. This code seems to be working, but it is
different from the RSA signature verification code listed in
'test.cpp', and as this is my first exposure to Crypto++ so I want to
make sure I'm using the library correctly. Am I missing anything here?
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