i2pd/core/crypto/EdDSA25519.h
2015-08-29 23:21:32 +02:00

53 lines
1.2 KiB
C++

#ifndef EDDSA25519_H__
#define EDDSA25519_H__
#include "SignatureBase.h"
namespace i2p {
namespace crypto {
// EdDSA
const size_t EDDSA25519_PUBLIC_KEY_LENGTH = 32;
const size_t EDDSA25519_SIGNATURE_LENGTH = 64;
const size_t EDDSA25519_PRIVATE_KEY_LENGTH = 32;
class EDDSA25519Verifier : public Verifier {
public:
EDDSA25519Verifier(const uint8_t* signingKey);
bool Verify(const uint8_t* buf, size_t len, const uint8_t* signature) const;
size_t GetPublicKeyLen() const;
size_t GetSignatureLen() const;
private:
uint8_t m_PublicKey[EDDSA25519_PUBLIC_KEY_LENGTH];
};
class EDDSA25519Signer : public Signer {
public:
/**
* @todo allow passing the public key too as an optimization
*/
EDDSA25519Signer(const uint8_t * signingPrivateKey);
/**
* @todo do not pass random number generator, EdDSA does not require a random
* source
*/
void Sign(CryptoPP::RandomNumberGenerator&, const uint8_t* buf, int len, uint8_t* signature) const;
uint8_t m_PrivateKey[EDDSA25519_PRIVATE_KEY_LENGTH];
uint8_t m_PublicKey[EDDSA25519_PUBLIC_KEY_LENGTH];
};
void CreateEDDSARandomKeys(CryptoPP::RandomNumberGenerator& rnd, uint8_t* privateKey,
uint8_t* publicKey);
}
}
#endif // EDDSA25519_H__