001/*
002 * nimbus-jose-jwt
003 *
004 * Copyright 2012-2016, Connect2id Ltd.
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
007 * this file except in compliance with the License. You may obtain a copy of the
008 * License at
009 *
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software distributed
013 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
014 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
015 * specific language governing permissions and limitations under the License.
016 */
017
018package com.nimbusds.jose;
019
020
021import java.util.Set;
022
023import com.nimbusds.jose.jca.JCAAware;
024import com.nimbusds.jose.jca.JCAContext;
025
026
027/**
028 * JSON Web Signature (JWS) provider
029 *
030 * <p>The JWS provider can be queried to determine its algorithm capabilities.
031 *
032 * @author  Vladimir Dzhuvinov
033 * @version 2015-11-16
034 */
035public interface JWSProvider extends JOSEProvider, JCAAware<JCAContext> {
036
037
038        /**
039         * Returns the names of the supported algorithms by the JWS provider
040         * instance. These correspond to the {@code alg} JWS header parameter.
041         *
042         * @return The supported JWS algorithms, empty set if none.
043         */
044        Set<JWSAlgorithm> supportedJWSAlgorithms();
045}