CertificateUtils.java

/*
 * Copyright 2023 Emmanuel Bourg
 *
 * 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 net.jsign;

import java.security.cert.X509Certificate;

/**
 * @since 5.0
 */
class CertificateUtils {

    private CertificateUtils() {
    }

    /**
     * Tells if the specified certificate is self-signed.
     *
     * @since 7.0
     */
    static boolean isSelfSigned(X509Certificate certificate) {
        return certificate.getSubjectX500Principal().equals(certificate.getIssuerX500Principal());
    }
}