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Java example source code file (BuildEEBasicConstraints.java)

This example Java source code file (BuildEEBasicConstraints.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

arraylist, buildeebasicconstraints, collectioncertstoreparameters, exception, md2, pkixbuilderparameters, pkixcertpathbuilderresult, security, target, trustanchor, util, x509certificate, x509certselector

The BuildEEBasicConstraints.java Java example source code

/*
 * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

// This test case relies on updated static security property, no way to re-use
// security property in samevm/agentvm mode.

/**
 * @test
 * @bug 6714842
 * @library ../../../testlibrary
 * @build CertUtils
 * @run main/othervm BuildEEBasicConstraints
 * @summary make sure a PKIX CertPathBuilder builds a path to an
 *      end entity certificate when the setBasicConstraints method of the
 *      X509CertSelector of the targetConstraints PKIXBuilderParameters
 *      parameter is set to -2.
 */

import java.security.Security;
import java.security.cert.Certificate;
import java.security.cert.CertPath;
import java.security.cert.CertStore;
import java.security.cert.CollectionCertStoreParameters;
import java.security.cert.PKIXBuilderParameters;
import java.security.cert.PKIXCertPathBuilderResult;
import java.security.cert.TrustAnchor;
import java.security.cert.X509Certificate;
import java.security.cert.X509CertSelector;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public final class BuildEEBasicConstraints {

    public static void main(String[] args) throws Exception {
        // reset the security property to make sure that the algorithms
        // and keys used in this test are not disabled.
        Security.setProperty("jdk.certpath.disabledAlgorithms", "MD2");

        X509Certificate rootCert = CertUtils.getCertFromFile("anchor.cer");
        TrustAnchor anchor = new TrustAnchor
            (rootCert.getSubjectX500Principal(), rootCert.getPublicKey(), null);
        X509CertSelector sel = new X509CertSelector();
        sel.setBasicConstraints(-2);
        PKIXBuilderParameters params = new PKIXBuilderParameters
            (Collections.singleton(anchor), sel);
        params.setRevocationEnabled(false);
        X509Certificate eeCert = CertUtils.getCertFromFile("ee.cer");
        X509Certificate caCert = CertUtils.getCertFromFile("ca.cer");
        ArrayList<X509Certificate> certs = new ArrayList();
        certs.add(caCert);
        certs.add(eeCert);
        CollectionCertStoreParameters ccsp =
            new CollectionCertStoreParameters(certs);
        CertStore cs = CertStore.getInstance("Collection", ccsp);
        params.addCertStore(cs);
        PKIXCertPathBuilderResult res = CertUtils.build(params);
        CertPath cp = res.getCertPath();
        // check that first certificate is an EE cert
        List<? extends Certificate> certList = cp.getCertificates();
        X509Certificate cert = (X509Certificate) certList.get(0);
        if (cert.getBasicConstraints() != -1) {
            throw new Exception("Target certificate is not an EE certificate");
        }
    }
}

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