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/*
 * 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.common.crypto;

import java.io.IOException;
import java.math.BigInteger;
import java.security.GeneralSecurityException;
import java.security.KeyPair;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import java.util.Date;
import java.util.List;

/**
 * The Class CertificateUtils provides utility functions for generation of V1 and V3 {@link java.security.cert.X509Certificate}
 *
 */
public interface CertificateUtilsProvider {

    public static final String CRL_DISTRIBUTION_POINTS_OID = "2.5.29.31";

    /**
     * Generates version 3 {@link java.security.cert.X509Certificate}.
     *
     * @param keyPair the key pair
     * @param caPrivateKey the CA private key
     * @param caCert the CA certificate
     * @param subject the subject name
     * 
     * @return the x509 certificate
     * 
     * @throws Exception the exception
     */
    public X509Certificate generateV3Certificate(KeyPair keyPair, PrivateKey caPrivateKey, X509Certificate caCert,
            String subject) throws Exception;

    /**
     * Generate version 1 self signed {@link java.security.cert.X509Certificate}..
     *
     * @param caKeyPair the CA key pair
     * @param subject the subject name
     * 
     * @return the x509 certificate
     * 
     * @throws Exception the exception
     */
    public X509Certificate generateV1SelfSignedCertificate(KeyPair caKeyPair, String subject); 

    public X509Certificate generateV1SelfSignedCertificate(KeyPair caKeyPair, String subject, BigInteger serialNumber);

    public List getCertificatePolicyList(X509Certificate cert) throws GeneralSecurityException;

    public List getCRLDistributionPoints(X509Certificate cert) throws IOException;

    public X509Certificate createServicesTestCertificate(String dn,
                                             Date startDate,
                                             Date expiryDate,
                                             KeyPair keyPair,
                                             String... certificatePolicyOid);
        
}