/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
using Amazon.Runtime;
using System.IO;

namespace Amazon.Util
{
    public interface ICryptoUtil
    {
        string HMACSign(string data, string key, SigningAlgorithm algorithmName);
        string HMACSign(byte[] data, string key, SigningAlgorithm algorithmName);

        byte[] ComputeSHA1Hash(byte[] data);

        byte[] ComputeSHA256Hash(byte[] data);
        byte[] ComputeSHA256Hash(Stream steam);

        byte[] ComputeMD5Hash(byte[] data);
        byte[] ComputeMD5Hash(Stream steam);

        byte[] HMACSignBinary(byte[] data, byte[] key, SigningAlgorithm algorithmName);

        string ComputeCRC32Hash(byte[] data);
        string ComputeCRC32CHash(byte[] data);
    }
}