/* * 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.assertTrue; import static jdk.test.lib.Utils.runAndCheckException; import java.io.IOException; import java.math.BigInteger; import java.net.SocketException; 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.SSLHandshakeException; import javax.net.ssl.SSLParameters; import javax.net.ssl.SSLServerSocket; import javax.net.ssl.TrustManagerFactory; 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 8365820 * @summary Apply certificate scope constraints to algorithms in * "signature_algorithms" extension when * "signature_algorithms_cert" extension is not being sent. * This test covers the server side for TLSv1.3. * @modules java.base/sun.security.x509 * java.base/sun.security.util * @library /javax/net/ssl/templates * /test/lib * @run main/othervm DisableCertSignAlgsExtForServerTLS13 true * @run main/othervm DisableCertSignAlgsExtForServerTLS13 false */ /* * Test disabled signature_algorithms_cert extension on the server side. * * CertificateRequest's extensions are encrypted in TLSv1.3. So we can't verify * the content of the CertificateRequest's signature_algorithms extension * directly like we do it for extensions in ClientHello message. * Instead, we run a TLS handshake and check that certificate scope * constraints are being applied to algorithms in "signature_algorithms" * extension when "signature_algorithms_cert" extension is not being sent. * * Note that for TLSv1.2 disabling "signature_algorithms_cert" extension * doesn't change anything for the signatures schemes list contained in * CertificateRequest message. The TLSv1.2 CertificateRequest message * doesn't contain extensions and includes the signatures schemes list * directly (which is also an intersection of signature schemes allowed * for handshake signatures and for the certificate signatures). * This functionality is being tested by "DisableSignatureSchemePerScopeTLS12". */ public class DisableCertSignAlgsExtForServerTLS13 extends SSLSocketTemplate { private static final String KEY_ALGORITHM = "RSA"; private static final String SERVER_CERT_SIG_ALG = "RSASSA-PSS"; // SHA256withRSA signature algorithm is not allowed for handshake // signatures in TLSv1.3, but it's allowed for certificate // signatures. This is regardless of jdk.tls.disabledAlgorithms // configuration. We use this difference to construct our test. private static final String CLIENT_CERT_SIG_ALG = "SHA256withRSA"; private static final String TRUSTED_CERT_SIG_ALG = "RSASSA-PSS"; private final String protocol; private X509Certificate trustedCert; private X509Certificate serverCert; private X509Certificate clientCert; private KeyPair serverKeys; private KeyPair clientKeys; protected DisableCertSignAlgsExtForServerTLS13( String protocol) throws Exception { super(); this.protocol = protocol; setupCertificates(); } public static void main(String[] args) throws Exception { if (args.length != 1) { throw new RuntimeException("Wrong number of arguments"); } boolean disabled = Boolean.parseBoolean(args[0]); // Disable signature_algorithms_cert extension on the server side. if (disabled) { System.setProperty("jdk.tls.server.disableExtensions", "signature_algorithms_cert"); } // Should always run fine on TLSv1.2 because SHA256withRSA signature // algorithm is allowed for both handshake and certificates signatures // in TLSv1.2. new DisableCertSignAlgsExtForServerTLS13("TLSv1.2").run(); var tls13Test = new DisableCertSignAlgsExtForServerTLS13("TLSv1.3"); if (disabled) { // Fails with "signature_algorithms_cert" extension disabled // because in such case we use an intersection of signature // schemes allowed for handshake signatures and for the certificate // signatures for "signature_algorithms" extension. runAndCheckException( tls13Test::run, localEx -> { Throwable remoteEx = localEx.getSuppressed()[0]; for (Throwable ex : new Throwable[]{localEx, remoteEx}) { assertTrue((ex instanceof SSLHandshakeException && ex.getMessage() .contains("(certificate_required)") // Sometimes we can get SocketException // instead, depends on network setup. || ex instanceof SocketException)); } }); } else { // Runs fine with "signature_algorithms_cert" extension present. tls13Test.run(); } } @Override protected void configureServerSocket(SSLServerSocket sslServerSocket) { // Require a conforming certificate for the client. SSLParameters sslParameters = sslServerSocket.getSSLParameters(); sslParameters.setNeedClientAuth(true); sslServerSocket.setSSLParameters(sslParameters); } @Override public SSLContext createServerSSLContext() throws Exception { return getSSLContext( trustedCert, serverCert, serverKeys.getPrivate(), protocol); } @Override public SSLContext createClientSSLContext() throws Exception { return getSSLContext( trustedCert, clientCert, clientKeys.getPrivate(), protocol); } private static SSLContext getSSLContext( X509Certificate trustedCertificate, X509Certificate keyCertificate, PrivateKey privateKey, String protocol) 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); TrustManagerFactory tmf = TrustManagerFactory.getInstance("PKIX"); tmf.init(ks); // create SSL context SSLContext ctx = SSLContext.getInstance(protocol); KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509"); kmf.init(ks, passphrase); ctx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), 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; } }