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openssl 1.1 for ECDSA

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orignal 2016-11-09 15:59:01 -05:00
parent 46f927fc1b
commit a4d586b24e
2 changed files with 13 additions and 6 deletions
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13
Signature.h
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@ -169,8 +169,9 @@ namespace crypto
uint8_t digest[Hash::hashLen];
Hash::CalculateHash (buf, len, digest);
ECDSA_SIG * sig = ECDSA_SIG_new();
sig->r = BN_bin2bn (signature, GetSignatureLen ()/2, NULL);
sig->s = BN_bin2bn (signature + GetSignatureLen ()/2, GetSignatureLen ()/2, NULL);
auto r = BN_bin2bn (signature, GetSignatureLen ()/2, NULL);
auto s = BN_bin2bn (signature + GetSignatureLen ()/2, GetSignatureLen ()/2, NULL);
ECDSA_SIG_set0(sig, r, s);
// ECDSA verification
int ret = ECDSA_do_verify (digest, Hash::hashLen, sig, m_PublicKey);
ECDSA_SIG_free(sig);
@ -207,9 +208,11 @@ namespace crypto
uint8_t digest[Hash::hashLen];
Hash::CalculateHash (buf, len, digest);
ECDSA_SIG * sig = ECDSA_do_sign (digest, Hash::hashLen, m_PrivateKey);
const BIGNUM * r, * s;
ECDSA_SIG_get0 (sig, &r, &s);
// signatureLen = keyLen
bn2buf (sig->r, signature, keyLen/2);
bn2buf (sig->s, signature + keyLen/2, keyLen/2);
bn2buf (r, signature, keyLen/2);
bn2buf (s, signature + keyLen/2, keyLen/2);
ECDSA_SIG_free(sig);
}
@ -271,7 +274,6 @@ namespace crypto
RSAVerifier (const uint8_t * signingKey)
{
m_PublicKey = RSA_new ();
memset (m_PublicKey, 0, sizeof (RSA));
RSA_set0_key (m_PublicKey, BN_bin2bn (signingKey, keyLen, NULL) /* n */ , BN_dup (GetRSAE ()) /* d */, NULL);
}
@ -304,7 +306,6 @@ namespace crypto
RSASigner (const uint8_t * signingPrivateKey)
{
m_PrivateKey = RSA_new ();
memset (m_PrivateKey, 0, sizeof (RSA));
RSA_set0_key (m_PrivateKey, BN_bin2bn (signingPrivateKey, keyLen, NULL), /* n */
BN_dup (GetRSAE ()) /* e */, BN_bin2bn (signingPrivateKey + keyLen, keyLen, NULL) /* d */);
}