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signing keys generators

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This commit is contained in:
orignal 2014-08-22 16:48:30 -04:00
parent fa4aaf1f50
commit 96b5907173
1 changed files with 28 additions and 6 deletions
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34
Signature.h
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@ -23,11 +23,11 @@ namespace crypto
virtual size_t GetSignatureLen () const = 0;
};
class Singer
class Signer
{
public:
virtual ~Singer () {};
virtual ~Signer () {};
virtual void Sign (CryptoPP::RandomNumberGenerator& rnd, const uint8_t * buf, int len, uint8_t * signature) = 0;
};
@ -54,11 +54,11 @@ namespace crypto
CryptoPP::DSA::PublicKey m_PublicKey;
};
class DSASinger: public Singer
class DSASigner: public Signer
{
public:
DSASinger (const uint8_t * signingPrivateKey)
DSASigner (const uint8_t * signingPrivateKey)
{
m_PrivateKey.Initialize (dsap, dsaq, dsag, CryptoPP::Integer (signingPrivateKey, 20));
}
@ -74,6 +74,16 @@ namespace crypto
CryptoPP::DSA::PrivateKey m_PrivateKey;
};
inline void CreateDSARandomKeys (CryptoPP::RandomNumberGenerator& rnd, uint8_t * signingPrivateKey, uint8_t * signingPublicKey)
{
CryptoPP::DSA::PrivateKey privateKey;
CryptoPP::DSA::PublicKey publicKey;
privateKey.Initialize (rnd, dsap, dsaq, dsag);
privateKey.MakePublicKey (publicKey);
privateKey.GetPrivateExponent ().Encode (signingPrivateKey, 20);
publicKey.GetPublicElement ().Encode (signingPublicKey, 128);
}
class ECDSAP256Verifier: public Verifier
{
public:
@ -99,11 +109,11 @@ namespace crypto
CryptoPP::ECDSA<CryptoPP::ECP, CryptoPP::SHA256>::PublicKey m_PublicKey;
};
class ECDSAP256Singer: public Singer
class ECDSAP256Signer: public Signer
{
public:
ECDSAP256Singer (const uint8_t * signingPrivateKey)
ECDSAP256Signer (const uint8_t * signingPrivateKey)
{
m_PrivateKey.Initialize (CryptoPP::ASN1::secp256r1(), CryptoPP::Integer (signingPrivateKey, 32));
}
@ -118,6 +128,18 @@ namespace crypto
CryptoPP::ECDSA<CryptoPP::ECP, CryptoPP::SHA256>::PrivateKey m_PrivateKey;
};
inline void CreateECDSAP256RandomKeys (CryptoPP::RandomNumberGenerator& rnd, uint8_t * signingPrivateKey, uint8_t * signingPublicKey)
{
CryptoPP::ECDSA<CryptoPP::ECP, CryptoPP::SHA256>::PrivateKey privateKey;
CryptoPP::ECDSA<CryptoPP::ECP, CryptoPP::SHA256>::PublicKey publicKey;
privateKey.Initialize (rnd, CryptoPP::ASN1::secp256r1());
privateKey.MakePublicKey (publicKey);
privateKey.GetPrivateExponent ().Encode (signingPrivateKey, 32);
auto q = publicKey.GetPublicElement ();
q.x.Encode (signingPublicKey, 32);
q.y.Encode (signingPublicKey + 32, 32);
}
}
}