/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * 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 org.keycloak.keys;

import org.keycloak.jose.jws.AlgorithmType;

import javax.crypto.SecretKey;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.cert.X509Certificate;
import java.util.List;

/**
 * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
 */
public interface HmacKeyProvider extends KeyProvider<HmacKeyMetadata> {

    default AlgorithmType getType() {
        return AlgorithmType.HMAC;
    }

    /**
     * Return the active secret key, or <code>null</code> if no active key is available.
     *
     * @return
     */
    SecretKey getSecretKey();

    /**
     * Return the secret key for the specified kid, or <code>null</code> if the kid is unknown.
     *
     * @param kid
     * @return
     */
    SecretKey getSecretKey(String kid);

}