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added RSA verifier

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orignal
2014-12-10 15:48:07 -05:00
parent 5b53665f4f
commit 7ccb7f05bf
2 changed files with 37 additions and 1 deletions
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35
Signature.h
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@@ -3,6 +3,7 @@
#include <inttypes.h>
#include <cryptopp/dsa.h>
#include <cryptopp/rsa.h>
#include <cryptopp/asn.h>
#include <cryptopp/oids.h>
#include <cryptopp/osrng.h>
@@ -230,7 +231,39 @@ namespace crypto
{
CreateECDSARandomKeys<CryptoPP::SHA512> (rnd, CryptoPP::ASN1::secp521r1(), ECDSAP521_KEY_LENGTH, signingPrivateKey, signingPublicKey);
}
// RSA
template<typename Hash, size_t keyLength>
class RSAVerifier: public Verifier
{
public:
RSAVerifier (const uint8_t * signingKey)
{
// TODO
}
bool Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
{
typename CryptoPP::RSASS<CryptoPP::PKCS1v15, Hash>::Verifier verifier (m_PublicKey);
return verifier.VerifyMessage (buf, len, signature, keyLength); // signature length
}
size_t GetPublicKeyLen () const { return keyLength; }
size_t GetSignatureLen () const { return keyLength; }
private:
CryptoPP::RSA::PublicKey m_PublicKey;
};
// RSA_SHA256_2048
const size_t RSASHA2562048_KEY_LENGTH =256;
class RSASHA2562048Verifier: public RSAVerifier<CryptoPP::SHA256, RSASHA2562048_KEY_LENGTH>
{
public:
RSASHA2562048Verifier (const uint8_t * signingKey): RSAVerifier (signingKey) {};
};
}
}