/* * Copyright (c) 2025, 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. */ import static jdk.test.lib.Asserts.assertEquals; import static jdk.test.lib.Asserts.assertTrue; import static jdk.test.lib.Utils.runAndCheckException; import java.io.IOException; import java.math.BigInteger; import java.net.Socket; import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.KeyStore; import java.security.PrivateKey; import java.security.PublicKey; import java.security.SecureRandom; import java.security.cert.Certificate; import java.security.cert.CertificateException; import java.security.cert.X509Certificate; import java.time.Instant; import java.time.temporal.ChronoUnit; import java.util.Date; import javax.net.ssl.KeyManagerFactory; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLEngine; import javax.net.ssl.SSLHandshakeException; import javax.net.ssl.X509ExtendedTrustManager; import jdk.test.lib.security.CertificateBuilder; import sun.security.x509.AuthorityKeyIdentifierExtension; import sun.security.x509.GeneralName; import sun.security.x509.GeneralNames; import sun.security.x509.KeyIdentifier; import sun.security.x509.SerialNumber; import sun.security.x509.X500Name; /* * @test * @bug 8359956 * @summary Support algorithm constraints and certificate checks in SunX509 * key manager * @modules java.base/sun.security.x509 * java.base/sun.security.util * @library /javax/net/ssl/templates * /test/lib * @run main/othervm PeerConstraintsCheck false SunX509 * @run main/othervm PeerConstraintsCheck true SunX509 * @run main/othervm PeerConstraintsCheck false PKIX * @run main/othervm PeerConstraintsCheck true PKIX */ /* * This class tests against the peer supported certificate signatures sent in * "signature_algorithms_cert" extension. */ public class PeerConstraintsCheck extends SSLSocketTemplate { private static final String KEY_ALGORITHM = "EC"; private static final String CLIENT_CERT_SIG_SCHEME = "ecdsa_secp384r1_sha384"; private static final String CLIENT_CERT_SIG_ALG = "SHA384withECDSA"; private static final String SERVER_CERT_SIG_ALG = "SHA256withECDSA"; private static final String TRUSTED_CERT_SIG_ALG = "SHA512withECDSA"; private final String kmAlg; private X509Certificate trustedCert; private X509Certificate serverCert; private X509Certificate clientCert; private KeyPair serverKeys; private KeyPair clientKeys; protected PeerConstraintsCheck(String kmAlg) throws Exception { super(); this.kmAlg = kmAlg; setupCertificates(); } public static void main(String[] args) throws Exception { // Make sure both client and server support client's signature scheme, // so the exception happens later during KeyManager's algorithm check. System.setProperty( "jdk.tls.client.SignatureSchemes", CLIENT_CERT_SIG_SCHEME); System.setProperty( "jdk.tls.server.SignatureSchemes", CLIENT_CERT_SIG_SCHEME); String enabled = args[0]; String kmAlg = args[1]; System.setProperty("jdk.tls.SunX509KeyManager.certChecking", enabled); if ("false".equals(enabled) && kmAlg.equals("SunX509")) { new PeerConstraintsCheck(kmAlg).run(); } else { // "jdk.tls.client.SignatureSchemes" and // "jdk.tls.server.SignatureSchemes" system properties set // signature schemes for both "signature_algorithms" and // "signature_algorithms_cert" extensions. Then we fail because // server's certificate is signed with "SHA256withECDSA" while // "signature_algorithms_cert" extension only contains an // "ecdsa_secp384r1_sha384" signature scheme corresponding to // "SHA384withECDSA" certificate signature. runAndCheckException( () -> new PeerConstraintsCheck(kmAlg).run(), ex -> { assertTrue(ex instanceof SSLHandshakeException); assertEquals(ex.getMessage(), "(handshake_failure) " + "No available authentication scheme"); } ); } } @Override public SSLContext createServerSSLContext() throws Exception { return getSSLContext( trustedCert, serverCert, serverKeys.getPrivate(), kmAlg); } @Override public SSLContext createClientSSLContext() throws Exception { return getSSLContext( trustedCert, clientCert, clientKeys.getPrivate(), kmAlg); } private static SSLContext getSSLContext(X509Certificate trustedCertificate, X509Certificate keyCertificate, PrivateKey privateKey, String kmAlg) throws Exception { // create a key store KeyStore ks = KeyStore.getInstance("PKCS12"); ks.load(null, null); // import the trusted cert ks.setCertificateEntry("TLS Signer", trustedCertificate); // generate certificate chain Certificate[] chain = new Certificate[2]; chain[0] = keyCertificate; chain[1] = trustedCertificate; // import the key entry. final char[] passphrase = "passphrase".toCharArray(); ks.setKeyEntry("Whatever", privateKey, passphrase, chain); SSLContext ctx = SSLContext.getInstance("TLS"); KeyManagerFactory kmf = KeyManagerFactory.getInstance(kmAlg); kmf.init(ks, passphrase); // Use custom trust-all TrustManager so we perform only KeyManager's // constraints check. X509ExtendedTrustManager[] trustAll = new X509ExtendedTrustManager[]{ new X509ExtendedTrustManager() { @Override public void checkClientTrusted(X509Certificate[] chain, String authType, Socket socket) throws CertificateException { } @Override public void checkServerTrusted(X509Certificate[] chain, String authType, Socket socket) throws CertificateException { } @Override public void checkClientTrusted(X509Certificate[] chain, String authType, SSLEngine engine) throws CertificateException { } @Override public void checkServerTrusted(X509Certificate[] chain, String authType, SSLEngine engine) throws CertificateException { } public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException { } public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException { } public X509Certificate[] getAcceptedIssuers() { return new X509Certificate[0]; } } }; ctx.init(kmf.getKeyManagers(), trustAll, null); return ctx; } // Certificate-building helper methods. private void setupCertificates() throws Exception { KeyPairGenerator kpg = KeyPairGenerator.getInstance(KEY_ALGORITHM); KeyPair caKeys = kpg.generateKeyPair(); this.serverKeys = kpg.generateKeyPair(); this.clientKeys = kpg.generateKeyPair(); this.trustedCert = createTrustedCert(caKeys); this.serverCert = customCertificateBuilder( "O=Some-Org, L=Some-City, ST=Some-State, C=US", serverKeys.getPublic(), caKeys.getPublic()) .addBasicConstraintsExt(false, false, -1) .build(trustedCert, caKeys.getPrivate(), SERVER_CERT_SIG_ALG); this.clientCert = customCertificateBuilder( "CN=localhost, OU=SSL-Client, O=Some-Org, L=Some-City," + " ST=Some-State, C=US", clientKeys.getPublic(), caKeys.getPublic()) .addBasicConstraintsExt(false, false, -1) .build(trustedCert, caKeys.getPrivate(), CLIENT_CERT_SIG_ALG); } private static X509Certificate createTrustedCert(KeyPair caKeys) throws Exception { SecureRandom random = new SecureRandom(); KeyIdentifier kid = new KeyIdentifier(caKeys.getPublic()); GeneralNames gns = new GeneralNames(); GeneralName name = new GeneralName(new X500Name( "O=Some-Org, L=Some-City, ST=Some-State, C=US")); gns.add(name); BigInteger serialNumber = BigInteger.valueOf( random.nextLong(1000000) + 1); return customCertificateBuilder( "O=Some-Org, L=Some-City, ST=Some-State, C=US", caKeys.getPublic(), caKeys.getPublic()) .setSerialNumber(serialNumber) .addExtension(new AuthorityKeyIdentifierExtension(kid, gns, new SerialNumber(serialNumber))) .addBasicConstraintsExt(true, true, -1) .build(null, caKeys.getPrivate(), TRUSTED_CERT_SIG_ALG); } private static CertificateBuilder customCertificateBuilder( String subjectName, PublicKey publicKey, PublicKey caKey) throws CertificateException, IOException { SecureRandom random = new SecureRandom(); CertificateBuilder builder = new CertificateBuilder() .setSubjectName(subjectName) .setPublicKey(publicKey) .setNotBefore( Date.from(Instant.now().minus(1, ChronoUnit.HOURS))) .setNotAfter(Date.from(Instant.now().plus(1, ChronoUnit.HOURS))) .setSerialNumber( BigInteger.valueOf(random.nextLong(1000000) + 1)) .addSubjectKeyIdExt(publicKey) .addAuthorityKeyIdExt(caKey); builder.addKeyUsageExt( new boolean[]{true, true, true, true, true, true}); return builder; } }