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correct param set for GOST R 34.10 signing

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orignal 2017-03-09 21:46:34 -05:00
parent 439c2d445c
commit cd860bfbf8
3 changed files with 22 additions and 24 deletions
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13
Signature.cpp
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@ -614,6 +614,19 @@ namespace crypto
return g_GOSTR3410Curves[paramSet];
}
void GOSTR3410Signer::Sign (const uint8_t * buf, int len, uint8_t * signature) const
{
uint8_t digest[32];
GOSTR3411 (buf, len, digest);
BIGNUM * d = BN_bin2bn (digest, 32, nullptr);
BIGNUM * r = BN_new (), * s = BN_new ();
const auto& curve = GetGOSTR3410Curve (m_ParamSet);
curve->Sign (m_PrivateKey, d, r, s);
bn2buf (r, signature, GOSTR3410_SIGNATURE_LENGTH/2);
bn2buf (s, signature + GOSTR3410_SIGNATURE_LENGTH/2, GOSTR3410_SIGNATURE_LENGTH/2);
BN_free (d); BN_free (r); BN_free (s);
}
void CreateGOSTR3410RandomKeys (GOSTR3410ParamSet paramSet, uint8_t * signingPrivateKey, uint8_t * signingPublicKey)
{
RAND_bytes (signingPrivateKey, GOSTR3410_PUBLIC_KEY_LENGTH/2);