mitm.common.security.certificate.X509ExtensionInspectorTest.java Source code

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Here is the source code for mitm.common.security.certificate.X509ExtensionInspectorTest.java

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/*
 * Copyright (c) 2012, Martijn Brinkers, Djigzo.
 * 
 * This file is part of Djigzo email encryption.
 *
 * Djigzo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License 
 * version 3, 19 November 2007 as published by the Free Software 
 * Foundation.
 *
 * Djigzo 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public 
 * License along with Djigzo. If not, see <http://www.gnu.org/licenses/>
 *
 * Additional permission under GNU AGPL version 3 section 7
 * 
 * If you modify this Program, or any covered work, by linking or 
 * combining it with aspectjrt.jar, aspectjweaver.jar, tyrex-1.0.3.jar, 
 * freemarker.jar, dom4j.jar, mx4j-jmx.jar, mx4j-tools.jar, 
 * spice-classman-1.0.jar, spice-loggerstore-0.5.jar, spice-salt-0.8.jar, 
 * spice-xmlpolicy-1.0.jar, saaj-api-1.3.jar, saaj-impl-1.3.jar, 
 * wsdl4j-1.6.1.jar (or modified versions of these libraries), 
 * containing parts covered by the terms of Eclipse Public License, 
 * tyrex license, freemarker license, dom4j license, mx4j license,
 * Spice Software License, Common Development and Distribution License
 * (CDDL), Common Public License (CPL) the licensors of this Program grant 
 * you additional permission to convey the resulting work.
 */
package mitm.common.security.certificate;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.security.cert.X509Certificate;

import mitm.common.util.BigIntegerUtils;
import mitm.common.util.HexUtils;
import mitm.test.TestUtils;

import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.asn1.x509.AuthorityKeyIdentifier;
import org.bouncycastle.asn1.x509.BasicConstraints;
import org.bouncycastle.asn1.x509.GeneralName;
import org.junit.Test;

public class X509ExtensionInspectorTest {
    @Test
    public void testSubjectKeyIdentifier() throws Exception {
        X509Certificate certificate = TestUtils
                .loadCertificate("test/resources/testdata/certificates/" + "subjectkeyident.cer");

        assertEquals("256E864B45E603AF649B577F5CDD63B0850A513E",
                HexUtils.hexEncode(X509ExtensionInspector.getSubjectKeyIdentifier(certificate)));

        assertEquals("256E864B45E603AF649B577F5CDD63B0850A513E",
                X509ExtensionInspector.getSubjectKeyIdentifierHex(certificate));

        /*
         * Now with no SKI
         */
        certificate = TestUtils.loadCertificate(
                "test/resources/testdata/certificates/" + "outlook2010_cert_missing_subjkeyid.pem");

        assertNull(HexUtils.hexEncode(X509ExtensionInspector.getSubjectKeyIdentifier(certificate)));
        assertNull(X509ExtensionInspector.getSubjectKeyIdentifierHex(certificate));
    }

    @Test
    public void testAuthoritykeyIdentifier() throws Exception {
        X509Certificate certificate = TestUtils
                .loadCertificate("test/resources/testdata/certificates/" + "mitm-test-ca.cer");

        AuthorityKeyIdentifier authorityKeyIdentifier = X509CertificateInspector
                .getAuthorityKeyIdentifier(certificate);

        assertNotNull(authorityKeyIdentifier);
        assertEquals(1, authorityKeyIdentifier.getAuthorityCertIssuer().getNames().length);

        GeneralName name = authorityKeyIdentifier.getAuthorityCertIssuer().getNames()[0];
        assertEquals(GeneralName.directoryName, name.getTagNo());
        assertEquals("C=NL,ST=NH,L=Amsterdam,CN=MITM Test Root,E=root@example.com",
                X500Name.getInstance(name.getName()).toString());
        assertEquals("115FCAC409FB2022B7D06920A00FE42",
                BigIntegerUtils.hexEncode(authorityKeyIdentifier.getAuthorityCertSerialNumber()));

        // another cert
        certificate = TestUtils.loadCertificate("test/resources/testdata/certificates/" + "ldap-crl.cer");

        authorityKeyIdentifier = X509CertificateInspector.getAuthorityKeyIdentifier(certificate);

        assertNotNull(authorityKeyIdentifier);
        assertEquals("37509F5DEF72162D12C7D46C408B1F65F550A8F9",
                HexUtils.hexEncode(authorityKeyIdentifier.getKeyIdentifier()));
    }

    @Test
    public void testBasicConstraint() throws Exception {
        X509Certificate certificate = TestUtils
                .loadCertificate("test/resources/testdata/certificates/" + "mitm-test-ca.cer");

        BasicConstraints constraints = X509CertificateInspector.getBasicConstraints(certificate);

        assertTrue(constraints.isCA());
        assertNull(constraints.getPathLenConstraint());

        certificate = TestUtils.loadCertificate("test/resources/testdata/certificates/" + "ldap-crl.cer");

        assertNull(X509CertificateInspector.getBasicConstraints(certificate));
    }

}