1 /* 2 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"). 5 * You may not use this file except in compliance with the License. 6 * A copy of the License is located at 7 * 8 * http://aws.amazon.com/apache2.0 9 * 10 * or in the "license" file accompanying this file. This file is distributed 11 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 12 * express or implied. See the License for the specific language governing 13 * permissions and limitations under the License. 14 */ 15 16 package software.amazon.awssdk.checksums.spi; 17 18 import software.amazon.awssdk.annotations.SdkProtectedApi; 19 20 /** 21 * An interface for declaring the implementation of a checksum. 22 */ 23 @SdkProtectedApi 24 public interface ChecksumAlgorithm { 25 /** 26 * The ID of the checksum algorithm. This is matched against algorithm 27 * names used in smithy traits 28 * (e.g. "CRC32C" from the aws.protocols#HTTPChecksum smithy trait) 29 */ algorithmId()30 String algorithmId(); 31 } 32