ECDSA_SIG *sig = ECDSA_SIG_new();
BN_bin2bn(&vchSig[1],32,sig->r);
BN_bin2bn(&vchSig[33],32,sig->s);
-
+ bool fSuccessful = false;
EC_KEY* pkey = EC_KEY_new_by_curve_name(NID_secp256k1);
if (nV >= 31)
{
nV -= 4;
EC_KEY_set_conv_form(pkey, POINT_CONVERSION_COMPRESSED);
}
-
do
{
if (ECDSA_SIG_recover_key_GFp(pkey, sig, (unsigned char*)&hash, sizeof(hash), nV - 27, 0) != 1)
break;
- ECDSA_SIG_free(sig);
-
int nSize = i2o_ECPublicKey(pkey, NULL);
if (!nSize)
break;
if (i2o_ECPublicKey(pkey, &pbegin) != nSize)
break;
Set(vchPubKey.begin(), vchPubKey.end());
- return IsValid();
+ fSuccessful = IsValid();
} while (false);
-
ECDSA_SIG_free(sig);
- Invalidate();
- return false;
+ EC_KEY_free(pkey);
+ if (!fSuccessful)
+ Invalidate();
+ return fSuccessful;
}
bool CPubKey::Verify(const uint256 &hash, const std::vector<unsigned char>& vchSig) const