/*
 * nimbus-jose-jwt
 *
 * Copyright 2012-2016, Connect2id Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the
 * License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License 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.nimbusds.jose;


import java.util.Set;

import com.nimbusds.jose.jca.JCAAware;
import com.nimbusds.jose.jca.JWEJCAContext;


/**
 * JSON Web Encryption (JWE) provider.
 *
 * <p>The JWE provider can be queried to determine its algorithm capabilities.
 *
 * @author  Vladimir Dzhuvinov
 * @version 2015-05-26
 */
public interface JWEProvider extends JOSEProvider, JCAAware<JWEJCAContext> {


	/**
	 * Returns the names of the supported algorithms by the JWE provider
	 * instance. These correspond to the {@code alg} JWE header parameter.
	 *
	 * @return The supported JWE algorithms, empty set if none.
	 */
	Set<JWEAlgorithm> supportedJWEAlgorithms();


	/**
	 * Returns the names of the supported encryption methods by the JWE
	 * provier. These correspond to the {@code enc} JWE header parameter.
	 *
	 * @return The supported encryption methods, empty set if none.
	 */
	Set<EncryptionMethod> supportedEncryptionMethods();
}