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}