Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 *  Copyright 2006-2015 WebPKI.org (http://webpki.org).
 *
 *  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.
 *
 */

import java.io.IOException;

import java.security.cert.X509Certificate;

public class Main {
    public static boolean isTrustAnchor(X509Certificate certificate) throws IOException {
        boolean trust_anchor = certificate.getSubjectX500Principal().equals(certificate.getIssuerX500Principal())
                && certificate.getBasicConstraints() >= 0;
        if (trust_anchor) {
            try {
                certificate.verify(certificate.getPublicKey());
            } catch (Exception e) {
                throw new IOException(e);
            }
            return true;
        }
        return false;
    }
}