/* * 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.assertNull; import java.io.IOException; import java.math.BigInteger; import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.KeyStore; 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.X509ExtendedKeyManager; import javax.net.ssl.X509KeyManager; import jdk.test.lib.security.CertificateBuilder; import jdk.test.lib.security.SecurityUtils; 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 /test/lib * @run main/othervm AlgorithmConstraintsCheck false SunX509 * @run main/othervm AlgorithmConstraintsCheck true SunX509 * @run main/othervm AlgorithmConstraintsCheck false PKIX * @run main/othervm AlgorithmConstraintsCheck true PKIX */ public class AlgorithmConstraintsCheck { protected static final String CERT_ALIAS = "testalias"; protected static final String KEY_TYPE = "EC"; protected static final String CERT_SIG_ALG = "SHA256withECDSA"; public static void main(String[] args) throws Exception { if (args.length != 2) { throw new RuntimeException("Wrong number of arguments"); } String enabled = args[0]; String kmAlg = args[1]; System.setProperty("jdk.tls.SunX509KeyManager.certChecking", enabled); SecurityUtils.addToDisabledTlsAlgs(CERT_SIG_ALG); X509ExtendedKeyManager km = (X509ExtendedKeyManager) getKeyManager( kmAlg, KEY_TYPE, CERT_SIG_ALG); String serverAlias = km.chooseServerAlias(KEY_TYPE, null, null); String engineServerAlias = km.chooseEngineServerAlias( KEY_TYPE, null, null); String clientAlias = km.chooseClientAlias( new String[]{KEY_TYPE}, null, null); String engineClientAlias = km.chooseEngineClientAlias( new String[]{KEY_TYPE}, null, null); // PKIX KeyManager adds a cache prefix to an alias. String serverAliasPrefix = kmAlg.equalsIgnoreCase("PKIX") ? "1.0." : ""; String clientAliasPrefix = kmAlg.equalsIgnoreCase("PKIX") ? "2.0." : ""; if ("false".equals(enabled) && kmAlg.equals("SunX509")) { assertEquals(CERT_ALIAS, normalizeAlias(serverAlias)); assertEquals(CERT_ALIAS, normalizeAlias(engineServerAlias)); assertEquals(CERT_ALIAS, normalizeAlias(clientAlias)); assertEquals(CERT_ALIAS, normalizeAlias(engineClientAlias)); } else { assertNull(serverAlias); assertNull(engineServerAlias); assertNull(clientAlias); assertNull(engineClientAlias); } } // PKIX KeyManager adds a cache prefix to an alias. protected static String normalizeAlias(String alias) { return alias.substring(alias.lastIndexOf(".") + 1); } protected static X509KeyManager getKeyManager(String kmAlg, String keyAlg, String certSignatureAlg) throws Exception { KeyPairGenerator kpg = KeyPairGenerator.getInstance(keyAlg); KeyPair caKeys = kpg.generateKeyPair(); KeyPair endpointKeys = kpg.generateKeyPair(); X509Certificate trustedCert = createTrustedCert(caKeys, certSignatureAlg); X509Certificate endpointCert = customCertificateBuilder( "O=Some-Org, L=Some-City, ST=Some-State, C=US", endpointKeys.getPublic(), caKeys.getPublic()) .addBasicConstraintsExt(false, false, -1) .build(trustedCert, caKeys.getPrivate(), certSignatureAlg); // create a key store KeyStore ks = KeyStore.getInstance("PKCS12"); ks.load(null, null); // import the trusted cert ks.setCertificateEntry("TLS Signer", trustedCert); // generate certificate chain Certificate[] chain = new Certificate[2]; chain[0] = endpointCert; chain[1] = trustedCert; // import the key entry. final char[] passphrase = "passphrase".toCharArray(); ks.setKeyEntry(CERT_ALIAS, endpointKeys.getPrivate(), passphrase, chain); KeyManagerFactory kmf = KeyManagerFactory.getInstance(kmAlg); kmf.init(ks, passphrase); return (X509KeyManager) kmf.getKeyManagers()[0]; } // Certificate-building helper methods. private static X509Certificate createTrustedCert(KeyPair caKeys, String certSignatureAlg) 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(), certSignatureAlg); } 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; } }