internal EcdsaCertificate(EVP_PKEY privateKey, X509 certificate, byte[] derCertData, string altNameString, byte[][] chain)
{
_certData = derCertData;
_key = privateKey;
_certificate = certificate;
_altNameString = altNameString;
_chain = chain ?? new byte[0][];
_ecKey = EVP_PKEY_get0_EC_KEY(_key);
var group = EC_KEY_get0_group(_ecKey);
var curveName = EC_GROUP_get_curve_name(group);
_curveName = OBJ_nid2ln(curveName);
switch (_curveName)
{
case "secp256r1":
_scheme = SignatureScheme.ecdsa_secp256r1_sha256;
_hashType = HashType.SHA256;
break;
case "secp384r1":
_scheme = SignatureScheme.ecdsa_secp384r1_sha384;
_hashType = HashType.SHA384;
break;
case "secp521r1":
_scheme = SignatureScheme.ecdsa_secp521r1_sha512;
_hashType = HashType.SHA512;
break;
default:
ExceptionHelper.ThrowException(new ArgumentException());
break;
}
}
internal static extern int ECDSA_size(EC_KEY eckey);
private static extern int EVP_PKEY_assign(EVP_PKEY pkey, EVP_PKEY_type keyType, EC_KEY key);
public static void EVP_PKEY_assign_EC_KEY(EVP_PKEY pkey, EC_KEY key)
{
var result = EVP_PKEY_assign(pkey, EVP_PKEY_type.EVP_PKEY_EC, key);
ThrowOnErrorReturnCode(result);
}
internal static extern int EC_KEY_set_public_key(EC_KEY key, EC_POINT point);
internal static extern EC_GROUP EC_KEY_get0_group(EC_KEY group);
public static extern EC_GROUP EC_KEY_get0_group(EC_KEY group);
internal static extern int EVP_PKEY_set1_EC_KEY(EVP_PKEY pkey, EC_KEY key);
internal static extern unsafe int ECDSA_sign(int type, void *dgst, int dgstlen, void *sig, ref int siglen, EC_KEY eckey);
internal static int EVP_PKEY_assign_EC_KEY(EVP_PKEY pkey, EC_KEY key) => EVP_PKEY_assign(pkey, EVP_PKEY_type.EVP_PKEY_EC, key.Ptr);
internal static extern EC_POINT EC_KEY_get0_public_key(EC_KEY key);
public static void EC_KEY_set_public_key(EC_KEY key, EC_POINT point)
{
var result = Internal_EC_KEY_set_public_key(key, point);
ThrowOnErrorReturnCode(result);
}
private static extern int Internal_EC_KEY_set_public_key(EC_KEY key, EC_POINT point);
