147 lines
6.2 KiB
Java
147 lines
6.2 KiB
Java
/*
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* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8241306
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* @summary Tests for the jdk.xml.dsig.secureValidationPolicy security property
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* on the RSASSA-PSS signature method
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* @library /test/lib
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* @modules java.base/sun.security.tools.keytool
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* java.base/sun.security.x509
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* @run main/othervm SecureValidation
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*/
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import jdk.test.lib.Asserts;
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import jdk.test.lib.security.XMLUtils;
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import jdk.test.lib.Utils;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import sun.security.tools.keytool.CertAndKeyGen;
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import sun.security.x509.X500Name;
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import javax.xml.crypto.MarshalException;
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import javax.xml.crypto.dsig.DigestMethod;
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import javax.xml.crypto.dsig.SignatureMethod;
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import javax.xml.crypto.dsig.spec.RSAPSSParameterSpec;
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import javax.xml.namespace.NamespaceContext;
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import javax.xml.xpath.XPath;
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import javax.xml.xpath.XPathConstants;
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import javax.xml.xpath.XPathFactory;
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import java.security.PrivateKey;
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import java.security.cert.X509Certificate;
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import java.security.spec.MGF1ParameterSpec;
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import java.security.spec.PSSParameterSpec;
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import java.util.Iterator;
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import java.util.Objects;
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import static java.security.spec.PSSParameterSpec.TRAILER_FIELD_BC;
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public class SecureValidation {
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public static void main(String[] args) throws Exception {
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Document doc = XMLUtils.string2doc("<a><b>Text</b>Raw</a>");
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CertAndKeyGen g = new CertAndKeyGen("RSASSA-PSS", "RSASSA-PSS");
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g.generate(2048);
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X509Certificate cert = g.getSelfCertificate(new X500Name("CN=Me"), 100);
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PrivateKey privateKey = g.getPrivateKey();
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PSSParameterSpec pspec = new PSSParameterSpec("SHA-384", "MGF1",
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MGF1ParameterSpec.SHA512, 48, TRAILER_FIELD_BC);
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// Sign with PSS with SHA-384 and SHA-512
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Document signed = XMLUtils.signer(privateKey, cert)
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.dm(DigestMethod.SHA384)
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.sm(SignatureMethod.RSA_PSS, new RSAPSSParameterSpec(pspec))
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.sign(doc);
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XPath xp = XPathFactory.newInstance().newXPath();
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xp.setNamespaceContext(new NamespaceContext() {
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@Override
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public String getNamespaceURI(String prefix) {
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return switch (prefix) {
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case "ds" -> "http://www.w3.org/2000/09/xmldsig#";
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case "pss" -> "http://www.w3.org/2007/05/xmldsig-more#";
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default -> throw new IllegalArgumentException();
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};
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}
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@Override
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public String getPrefix(String namespaceURI) {
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return null;
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}
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@Override
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public Iterator<String> getPrefixes(String namespaceURI) {
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return null;
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}
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});
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var validator = XMLUtils.validator();
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XMLUtils.addPolicy("disallowAlg " + DigestMethod.SHA256);
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Element e;
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// 1. Modify the MGF1 digest algorithm in PSSParams to SHA-256
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e = (Element) xp.evaluate(
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"/a/ds:Signature/ds:SignedInfo/ds:SignatureMethod" +
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"/pss:RSAPSSParams/pss:MaskGenerationFunction/ds:DigestMethod",
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signed, XPathConstants.NODE);
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e.setAttribute("Algorithm", DigestMethod.SHA256);
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// When secureValidation is true, validate() throws an exception
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Utils.runAndCheckException(() -> validator.secureValidation(true).validate(signed),
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t -> Asserts.assertTrue(t instanceof MarshalException
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&& t.getMessage().contains("in MGF1")
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&& t.getMessage().contains(DigestMethod.SHA256), Objects.toString(t)));
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// When secureValidation is false, validate() returns false
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Asserts.assertFalse(validator.secureValidation(false).validate(signed));
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// Revert the change and confirm validate() returns true
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e.setAttribute("Algorithm", DigestMethod.SHA512);
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Asserts.assertTrue(validator.secureValidation(true).validate(signed));
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// 2. Modify the digest algorithm in PSSParams to SHA-256
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e = (Element) xp.evaluate(
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"/a/ds:Signature/ds:SignedInfo/ds:SignatureMethod" +
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"/pss:RSAPSSParams/ds:DigestMethod",
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signed, XPathConstants.NODE);
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e.setAttribute("Algorithm", DigestMethod.SHA256);
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// When secureValidation is true, validate() throws an exception
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Utils.runAndCheckException(() -> validator.secureValidation(true).validate(signed),
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t -> Asserts.assertTrue(t instanceof MarshalException
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&& t.getMessage().contains("in PSS")
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&& t.getMessage().contains(DigestMethod.SHA256), Objects.toString(t)));
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// When secureValidation is false, validate() returns false
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Asserts.assertFalse(validator.secureValidation(false).validate(signed));
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// 3. Modify the digest algorithm in PSSParams to SHA-512
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e.setAttribute("Algorithm", DigestMethod.SHA512);
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// No matter if secureValidation is true or false, validate()
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// returns false. This means the policy allows it.
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Asserts.assertFalse(validator.secureValidation(true).validate(signed));
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Asserts.assertFalse(validator.secureValidation(false).validate(signed));
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}
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}
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