C++ (Cpp) _gnutls_x509_read_ecc_paramsの例

コード例 #1

ファイル: key_decode.c プロジェクト: Drakey83/steamlink-sdk

int _gnutls_x509_read_pubkey_params(gnutls_pk_algorithm_t algo,
				    uint8_t * der, int dersize,
				    gnutls_pk_params_st * params)
{
	switch (algo) {
	case GNUTLS_PK_RSA:
		return 0;
	case GNUTLS_PK_DSA:
		return _gnutls_x509_read_dsa_params(der, dersize, params);
	case GNUTLS_PK_EC:
		return _gnutls_x509_read_ecc_params(der, dersize, &params->flags);
	default:
		return gnutls_assert_val(GNUTLS_E_UNIMPLEMENTED_FEATURE);
	}
}

コード例 #2

ファイル: privkey_pkcs8.c プロジェクト: gnutls/gnutls

/* Decodes an ECC privateKey from a PKCS8 structure.
 */
static int
_decode_pkcs8_ecc_key(ASN1_TYPE pkcs8_asn, gnutls_x509_privkey_t pkey)
{
	int ret;
	gnutls_datum_t tmp = {NULL, 0};
	unsigned char oid[MAX_OID_SIZE];
	unsigned curve = GNUTLS_ECC_CURVE_INVALID;
	int len, result;

	/* openssl PKCS #8 files with ECC keys place the curve in
	 * privateKeyAlgorithm.parameters instead of the ECPrivateKey.parameters.
	 */
	len = sizeof(oid);
	result =
	    asn1_read_value(pkcs8_asn, "privateKeyAlgorithm.parameters",
			    oid, &len);
	if (result == ASN1_SUCCESS) {
		ret = _gnutls_x509_read_ecc_params(oid, len, &curve);
		if (ret < 0) {
			_gnutls_debug_log("PKCS#8: unknown curve OID %s\n", oid);
			curve = GNUTLS_ECC_CURVE_INVALID;
		}
	}

	ret = _gnutls_x509_read_value(pkcs8_asn, "privateKey", &tmp);
	if (ret < 0) {
		gnutls_assert();
		goto error;
	}

	ret = _gnutls_privkey_decode_ecc_key(&pkey->key, &tmp, pkey, curve);
	_gnutls_free_key_datum(&tmp);

	if (ret < 0) {
		gnutls_assert();
		goto error;
	}

	ret = 0;

      error:
	return ret;
}