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set correct curve from GOST R 34.10 signer and verifier

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orignal 2017-02-17 13:37:53 -05:00
parent f8a09df5c0
commit c91b05bd4b
1 changed files with 17 additions and 2 deletions
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19
Signature.h
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@ -450,7 +450,16 @@ namespace crypto
{ {
public: public:
GOSTR3410Verifier (const uint8_t * signingKey) { m_PublicKey = nullptr; } // TODO GOSTR3410Verifier (const uint8_t * signingKey)
{
m_PublicKey = EVP_PKEY_new ();
EVP_PKEY_set_type (m_PublicKey, NID_id_GostR3410_2001);
EC_KEY * ecKey = (EC_KEY *)EVP_PKEY_get0 (m_PublicKey);
BIGNUM * x = BN_bin2bn (signingKey, GOSTR3410_PUBLIC_KEY_LENGTH/2, NULL);
BIGNUM * y = BN_bin2bn (signingKey + GOSTR3410_PUBLIC_KEY_LENGTH/2, GOSTR3410_PUBLIC_KEY_LENGTH/2, NULL);
EC_KEY_set_public_key_affine_coordinates (ecKey, x, y);
BN_free (x); BN_free (y);
}
~GOSTR3410Verifier () { EVP_PKEY_free (m_PublicKey); } ~GOSTR3410Verifier () { EVP_PKEY_free (m_PublicKey); }
bool Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const bool Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
@ -474,7 +483,13 @@ namespace crypto
{ {
public: public:
GOSTR3410Signer (const uint8_t * signingPrivateKey) { m_PrivateKey = nullptr; } // TODO GOSTR3410Signer (const uint8_t * signingPrivateKey)
{
m_PrivateKey = EVP_PKEY_new ();
EVP_PKEY_set_type (m_PrivateKey, NID_id_GostR3410_2001);
EC_KEY * ecKey = (EC_KEY *)EVP_PKEY_get0 (m_PrivateKey);
EC_KEY_set_private_key (ecKey, BN_bin2bn (signingPrivateKey, GOSTR3410_PUBLIC_KEY_LENGTH/2, NULL));
}
~GOSTR3410Signer () { EVP_PKEY_free (m_PrivateKey); } ~GOSTR3410Signer () { EVP_PKEY_free (m_PrivateKey); }
void Sign (const uint8_t * buf, int len, uint8_t * signature) const void Sign (const uint8_t * buf, int len, uint8_t * signature) const