/* * Copyright 2010-2016 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. */ package com.amazonaws.auth; import com.amazonaws.Request; /** * A strategy for applying cryptographic signatures to a request, proving that * the request was made by someone in posession of the given set of credentials * without transmitting the secret key over the wire. */ public interface Signer { /** * Sign the given request with the given set of credentials. Modifies the * passed-in request to apply the signature. * * @param request The request to sign. * @param credentials The credentials to sign the request with. */ public void sign(Request<?> request, AWSCredentials credentials); }