7113275: compatibility issue with MD2 trust anchor and old X509TrustManager

Summary: also reviewed by Dennis.Gu@oracle.com
Reviewed-by: mullan

src/share/classes/sun/security/ssl/SSLContextImpl.java

@@ -771,10 +771,15 @@ public abstract class SSLContextImpl extends SSLContextSpi {
 final class AbstractTrustManagerWrapper extends X509ExtendedTrustManager
             implements X509TrustManager {
 
+    // the delegated trust manager
     private final X509TrustManager tm;
 
+    // Cache the trusted certificate to optimize the performance.
+    private final Collection<X509Certificate> trustedCerts = new HashSet<>();
+
     AbstractTrustManagerWrapper(X509TrustManager tm) {
         this.tm = tm;
+        Collections.addAll(trustedCerts, tm.getAcceptedIssuers());
     }
 
     @Override
@@ -863,20 +868,7 @@ final class AbstractTrustManagerWrapper extends X509ExtendedTrustManager
                 constraints = new SSLAlgorithmConstraints(sslSocket, true);
             }
 
-            AlgorithmChecker checker = new AlgorithmChecker(constraints);
-            try {
-                checker.init(false);
-
-                // a forward checker, need to check from trust to target
-                for (int i = chain.length - 1; i >= 0; i--) {
-                    Certificate cert = chain[i];
-                    // We don't care about the unresolved critical extensions.
-                    checker.check(cert, Collections.<String>emptySet());
-                }
-            } catch (CertPathValidatorException cpve) {
-                throw new CertificateException(
-                    "Certificates does not conform to algorithm constraints");
-            }
+            checkAlgorithmConstraints(chain, constraints);
         }
     }
 
@@ -918,20 +910,33 @@ final class AbstractTrustManagerWrapper extends X509ExtendedTrustManager
                 constraints = new SSLAlgorithmConstraints(engine, true);
             }
 
-            AlgorithmChecker checker = new AlgorithmChecker(constraints);
-            try {
-                checker.init(false);
+            checkAlgorithmConstraints(chain, constraints);
+        }
+    }
 
-                // A forward checker, need to check from trust to target
-                for (int i = chain.length - 1; i >= 0; i--) {
+    private void checkAlgorithmConstraints(X509Certificate[] chain,
+            AlgorithmConstraints constraints) throws CertificateException {
+
+        try {
+            // Does the certificate chain end with a trusted certificate?
+            int checkedLength = chain.length - 1;
+            if (trustedCerts.contains(chain[checkedLength])) {
+                    checkedLength--;
+            }
+
+            // A forward checker, need to check from trust to target
+            if (checkedLength >= 0) {
+                AlgorithmChecker checker = new AlgorithmChecker(constraints);
+                checker.init(false);
+                for (int i = checkedLength; i >= 0; i--) {
                     Certificate cert = chain[i];
                     // We don't care about the unresolved critical extensions.
                     checker.check(cert, Collections.<String>emptySet());
                 }
-            } catch (CertPathValidatorException cpve) {
-                throw new CertificateException(
-                    "Certificates does not conform to algorithm constraints");
             }
+        } catch (CertPathValidatorException cpve) {
+            throw new CertificateException(
+                "Certificates does not conform to algorithm constraints");
         }
     }
 }

test/sun/security/ssl/com/sun/net/ssl/internal/ssl/SSLContextImpl/MD2InTrustAnchor.java

+/*
+ * Copyright (c) 2011, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 7113275
+ * @summary compatibility issue with MD2 trust anchor and old X509TrustManager
+ *
+ *     SunJSSE does not support dynamic system properties, no way to re-use
+ *     system properties in samevm/agentvm mode.
+ * @run main/othervm MD2InTrustAnchor PKIX TLSv1.1
+ * @run main/othervm MD2InTrustAnchor SunX509 TLSv1.1
+ * @run main/othervm MD2InTrustAnchor PKIX TLSv1.2
+ * @run main/othervm MD2InTrustAnchor SunX509 TLSv1.2
+ */
+
+import java.net.*;
+import java.util.*;
+import java.io.*;
+import javax.net.ssl.*;
+import java.security.KeyStore;
+import java.security.KeyFactory;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateFactory;
+import java.security.spec.*;
+import java.security.interfaces.*;
+import sun.misc.BASE64Decoder;
+
+
+public class MD2InTrustAnchor {
+
+    /*
+     * =============================================================
+     * Set the various variables needed for the tests, then
+     * specify what tests to run on each side.
+     */
+
+    /*
+     * Should we run the client or server in a separate thread?
+     * Both sides can throw exceptions, but do you have a preference
+     * as to which side should be the main thread.
+     */
+    static boolean separateServerThread = false;
+
+    /*
+     * Certificates and key used in the test.
+     */
+
+    // It's a trust anchor signed with MD2 hash function.
+    static String trustedCertStr =
+        "-----BEGIN CERTIFICATE-----\n" +
+        "MIICkjCCAfugAwIBAgIBADANBgkqhkiG9w0BAQIFADA7MQswCQYDVQQGEwJVUzEN\n" +
+        "MAsGA1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UwHhcN\n" +
+        "MTExMTE4MTExNDA0WhcNMzIxMDI4MTExNDA0WjA7MQswCQYDVQQGEwJVUzENMAsG\n" +
+        "A1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UwgZ8wDQYJ\n" +
+        "KoZIhvcNAQEBBQADgY0AMIGJAoGBAPGyB9tugUGgxtdeqe0qJEwf9x1Gy4BOi1yR\n" +
+        "wzDZY4H5LquvIfQ2V3J9X1MQENVsFvkvp65ZcFcy+ObOucXUUPFcd/iw2DVb5QXA\n" +
+        "ffyeVqWD56GPi8Qe37wrJO3L6fBhN9oxp/BbdRLgjU81zx8qLEyPODhPMxV4OkcA\n" +
+        "SDwZTSxxAgMBAAGjgaUwgaIwHQYDVR0OBBYEFLOAtr/YrYj9H04EDLA0fd14jisF\n" +
+        "MGMGA1UdIwRcMFqAFLOAtr/YrYj9H04EDLA0fd14jisFoT+kPTA7MQswCQYDVQQG\n" +
+        "EwJVUzENMAsGA1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2\n" +
+        "Y2WCAQAwDwYDVR0TAQH/BAUwAwEB/zALBgNVHQ8EBAMCAQYwDQYJKoZIhvcNAQEC\n" +
+        "BQADgYEAr8ExpXu/FTIRiMzPm0ubqwME4lniilwQUiEOD/4DbksNjEIcUyS2hIk1\n" +
+        "qsmjJz3SHBnwhxl9dhJVwk2tZLkPGW86Zn0TPVRsttK4inTgCC9GFGeqQBdrU/uf\n" +
+        "lipBzXWljrfbg4N/kK8m2LabtKUMMnGysM8rN0Fx2PYm5xxGvtM=\n" +
+        "-----END CERTIFICATE-----";
+
+    // The certificate issued by above trust anchor, signed with MD5
+    static String targetCertStr =
+        "-----BEGIN CERTIFICATE-----\n" +
+        "MIICeDCCAeGgAwIBAgIBAjANBgkqhkiG9w0BAQQFADA7MQswCQYDVQQGEwJVUzEN\n" +
+        "MAsGA1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UwHhcN\n" +
+        "MTExMTE4MTExNDA2WhcNMzEwODA1MTExNDA2WjBPMQswCQYDVQQGEwJVUzENMAsG\n" +
+        "A1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UxEjAQBgNV\n" +
+        "BAMTCWxvY2FsaG9zdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAwDnm96mw\n" +
+        "fXCH4bgXk1US0VcJsQVxUtGMyncAveMuzBzNzOmKZPeqyYX1Fuh4q+cuza03WTJd\n" +
+        "G9nOkNr364e3Rn1aaHjCMcBmFflObnGnhhufNmIGYogJ9dJPmhUVPEVAXrMG+Ces\n" +
+        "NKy2E8woGnLMrqu6yiuTClbLBPK8fWzTXrECAwEAAaN4MHYwCwYDVR0PBAQDAgPo\n" +
+        "MB0GA1UdDgQWBBSdRrpocLPJXyGfDmMWJrcEf29WGDAfBgNVHSMEGDAWgBSzgLa/\n" +
+        "2K2I/R9OBAywNH3deI4rBTAnBgNVHSUEIDAeBggrBgEFBQcDAQYIKwYBBQUHAwIG\n" +
+        "CCsGAQUFBwMDMA0GCSqGSIb3DQEBBAUAA4GBAKJ71ZiCUykkJrCLYUxlFlhvUcr9\n" +
+        "sTcOc67QdroW5f412NI15SXWDiley/JOasIiuIFPjaJBjOKoHOvTjG/snVu9wEgq\n" +
+        "YNR8dPsO+NM8r79C6jO+Jx5fYAC7os2XxS75h3NX0ElJcbwIXGBJ6xRrsFh/BGYH\n" +
+        "yvudOlX4BkVR0l1K\n" +
+        "-----END CERTIFICATE-----";
+
+    // Private key in the format of PKCS#8.
+    static String targetPrivateKey =
+        "MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAMA55vepsH1wh+G4\n" +
+        "F5NVEtFXCbEFcVLRjMp3AL3jLswczczpimT3qsmF9RboeKvnLs2tN1kyXRvZzpDa\n" +
+        "9+uHt0Z9Wmh4wjHAZhX5Tm5xp4YbnzZiBmKICfXST5oVFTxFQF6zBvgnrDSsthPM\n" +
+        "KBpyzK6rusorkwpWywTyvH1s016xAgMBAAECgYEAn9bF3oRkdDoBU0i/mcww5I+K\n" +
+        "SH9tFt+WQbiojjz9ac49trkvUfu7MO1Jui2+QbrvaSkyj+HYGFOJd1wMsPXeB7ck\n" +
+        "5mOIYV4uZK8jfNMSQ8v0tFEeIPp5lKdw1XnrQfSe+abo2eL5Lwso437Y4s3w37+H\n" +
+        "aY3d76hR5qly+Ys+Ww0CQQDjeOoX89d/xhRqGXKjCx8ImE/dPmsI8O27cwtKrDYJ\n" +
+        "6t0v/xryVIdvOYcRBvKnqEogOH7T1kI+LnWKUTJ2ehJ7AkEA2FVloPVqCehXcc7e\n" +
+        "z3TDpU9w1B0JXklcV5HddYsRqp9RukN/VK4szKE7F1yoarIUtfE9Lr9082Jwyp3M\n" +
+        "L11xwwJBAKsZ+Hur3x0tUY29No2Nf/pnFyvEF57SGwA0uPmiL8Ol9lpz+UDudDEl\n" +
+        "hIM6Rqv12kwCMuQE9i7vo1o3WU3k5KECQEqhg1L49yD935TqiiFFpe0Ur9btQXse\n" +
+        "kdXAA4d2d5zGI7q/aGD9SYU6phkUJSHR16VA2RuUfzMrpb+wmm1IrmMCQFtLoKRT\n" +
+        "A5kokFb+E3Gplu29tJvCUpfwgBFRS+wmkvtiaU/tiyDcVgDO+An5DwedxxdVzqiE\n" +
+        "njWHoKY3axDQ8OU=\n";
+
+
+    static char passphrase[] = "passphrase".toCharArray();
+
+    /*
+     * Is the server ready to serve?
+     */
+    volatile static boolean serverReady = false;
+
+    /*
+     * Turn on SSL debugging?
+     */
+    static boolean debug = false;
+
+    /*
+     * Define the server side of the test.
+     *
+     * If the server prematurely exits, serverReady will be set to true
+     * to avoid infinite hangs.
+     */
+    void doServerSide() throws Exception {
+        SSLContext context = generateSSLContext(trustedCertStr, targetCertStr,
+                                            targetPrivateKey);
+        SSLServerSocketFactory sslssf = context.getServerSocketFactory();
+        SSLServerSocket sslServerSocket =
+            (SSLServerSocket)sslssf.createServerSocket(serverPort);
+        sslServerSocket.setNeedClientAuth(true);
+        serverPort = sslServerSocket.getLocalPort();
+
+        /*
+         * Signal Client, we're ready for his connect.
+         */
+        serverReady = true;
+
+        SSLSocket sslSocket = (SSLSocket)sslServerSocket.accept();
+        InputStream sslIS = sslSocket.getInputStream();
+        OutputStream sslOS = sslSocket.getOutputStream();
+
+        sslIS.read();
+        sslOS.write('A');
+        sslOS.flush();
+
+        sslSocket.close();
+    }
+
+    /*
+     * Define the client side of the test.
+     *
+     * If the server prematurely exits, serverReady will be set to true
+     * to avoid infinite hangs.
+     */
+    void doClientSide() throws Exception {
+
+        /*
+         * Wait for server to get started.
+         */
+        while (!serverReady) {
+            Thread.sleep(50);
+        }
+
+        SSLContext context = generateSSLContext(trustedCertStr, targetCertStr,
+                                            targetPrivateKey);
+        SSLSocketFactory sslsf = context.getSocketFactory();
+
+        SSLSocket sslSocket =
+            (SSLSocket)sslsf.createSocket("localhost", serverPort);
+
+        // enable the specified TLS protocol
+        sslSocket.setEnabledProtocols(new String[] {tlsProtocol});
+
+        InputStream sslIS = sslSocket.getInputStream();
+        OutputStream sslOS = sslSocket.getOutputStream();
+
+        sslOS.write('B');
+        sslOS.flush();
+        sslIS.read();
+
+        sslSocket.close();
+    }
+
+    /*
+     * =============================================================
+     * The remainder is just support stuff
+     */
+    private static String tmAlgorithm;        // trust manager
+    private static String tlsProtocol;        // trust manager
+
+    private static void parseArguments(String[] args) {
+        tmAlgorithm = args[0];
+        tlsProtocol = args[1];
+    }
+
+    private static SSLContext generateSSLContext(String trustedCertStr,
+            String keyCertStr, String keySpecStr) throws Exception {
+
+        // generate certificate from cert string
+        CertificateFactory cf = CertificateFactory.getInstance("X.509");
+
+        // create a key store
+        KeyStore ks = KeyStore.getInstance("JKS");
+        ks.load(null, null);
+
+        // import the trused cert
+        Certificate trusedCert = null;
+        ByteArrayInputStream is = null;
+        if (trustedCertStr != null) {
+            is = new ByteArrayInputStream(trustedCertStr.getBytes());
+            trusedCert = cf.generateCertificate(is);
+            is.close();
+
+            ks.setCertificateEntry("RSA Export Signer", trusedCert);
+        }
+
+        if (keyCertStr != null) {
+            // generate the private key.
+            PKCS8EncodedKeySpec priKeySpec = new PKCS8EncodedKeySpec(
+                                new BASE64Decoder().decodeBuffer(keySpecStr));
+            KeyFactory kf = KeyFactory.getInstance("RSA");
+            RSAPrivateKey priKey =
+                    (RSAPrivateKey)kf.generatePrivate(priKeySpec);
+
+            // generate certificate chain
+            is = new ByteArrayInputStream(keyCertStr.getBytes());
+            Certificate keyCert = cf.generateCertificate(is);
+            is.close();
+
+            // It's not allowed to send MD2 signed certificate to peer,
+            // even it may be a trusted certificate. Then we will not
+            // place the trusted certficate in the chain.
+            Certificate[] chain = new Certificate[1];
+            chain[0] = keyCert;
+
+            // import the key entry.
+            ks.setKeyEntry("Whatever", priKey, passphrase, chain);
+        }
+
+        // create SSL context
+        TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmAlgorithm);
+        tmf.init(ks);
+
+        SSLContext ctx = SSLContext.getInstance(tlsProtocol);
+        if (keyCertStr != null && !keyCertStr.isEmpty()) {
+            KeyManagerFactory kmf = KeyManagerFactory.getInstance("NewSunX509");
+            kmf.init(ks, passphrase);
+
+            ctx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
+            ks = null;
+        } else {
+            ctx.init(null, tmf.getTrustManagers(), null);
+        }
+
+        return ctx;
+    }
+
+
+    // use any free port by default
+    volatile int serverPort = 0;
+
+    volatile Exception serverException = null;
+    volatile Exception clientException = null;
+
+    public static void main(String[] args) throws Exception {
+        if (debug)
+            System.setProperty("javax.net.debug", "all");
+
+        /*
+         * Get the customized arguments.
+         */
+        parseArguments(args);
+
+        /*
+         * Start the tests.
+         */
+        new MD2InTrustAnchor();
+    }
+
+    Thread clientThread = null;
+    Thread serverThread = null;
+
+    /*
+     * Primary constructor, used to drive remainder of the test.
+     *
+     * Fork off the other side, then do your work.
+     */
+    MD2InTrustAnchor() throws Exception {
+        try {
+            if (separateServerThread) {
+                startServer(true);
+                startClient(false);
+            } else {
+                startClient(true);
+                startServer(false);
+            }
+        } catch (Exception e) {
+            // swallow for now.  Show later
+        }
+
+        /*
+         * Wait for other side to close down.
+         */
+        if (separateServerThread) {
+            serverThread.join();
+        } else {
+            clientThread.join();
+        }
+
+        /*
+         * When we get here, the test is pretty much over.
+         * Which side threw the error?
+         */
+        Exception local;
+        Exception remote;
+        String whichRemote;
+
+        if (separateServerThread) {
+            remote = serverException;
+            local = clientException;
+            whichRemote = "server";
+        } else {
+            remote = clientException;
+            local = serverException;
+            whichRemote = "client";
+        }
+
+        /*
+         * If both failed, return the curthread's exception, but also
+         * print the remote side Exception
+         */
+        if ((local != null) && (remote != null)) {
+            System.out.println(whichRemote + " also threw:");
+            remote.printStackTrace();
+            System.out.println();
+            throw local;
+        }
+
+        if (remote != null) {
+            throw remote;
+        }
+
+        if (local != null) {
+            throw local;
+        }
+    }
+
+    void startServer(boolean newThread) throws Exception {
+        if (newThread) {
+            serverThread = new Thread() {
+                public void run() {
+                    try {
+                        doServerSide();
+                    } catch (Exception e) {
+                        /*
+                         * Our server thread just died.
+                         *
+                         * Release the client, if not active already...
+                         */
+                        System.err.println("Server died...");
+                        serverReady = true;
+                        serverException = e;
+                    }
+                }
+            };
+            serverThread.start();
+        } else {
+            try {
+                doServerSide();
+            } catch (Exception e) {
+                serverException = e;
+            } finally {
+                serverReady = true;
+            }
+        }
+    }
+
+    void startClient(boolean newThread) throws Exception {
+        if (newThread) {
+            clientThread = new Thread() {
+                public void run() {
+                    try {
+                        doClientSide();
+                    } catch (Exception e) {
+                        /*
+                         * Our client thread just died.
+                         */
+                        System.err.println("Client died...");
+                        clientException = e;
+                    }
+                }
+            };
+            clientThread.start();
+        } else {
+            try {
+                doClientSide();
+            } catch (Exception e) {
+                clientException = e;
+            }
+        }
+    }
+}

test/sun/security/ssl/com/sun/net/ssl/internal/ssl/SSLContextImpl/TrustTrustedCert.java

+/*
+ * Copyright (c) 2011, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 7113275
+ * @summary compatibility issue with MD2 trust anchor and old X509TrustManager
+ *
+ *     SunJSSE does not support dynamic system properties, no way to re-use
+ *     system properties in samevm/agentvm mode.
+ * @run main/othervm TrustTrustedCert PKIX TLSv1.1
+ * @run main/othervm TrustTrustedCert SunX509 TLSv1.1
+ * @run main/othervm TrustTrustedCert PKIX TLSv1.2
+ * @run main/othervm TrustTrustedCert SunX509 TLSv1.2
+ */
+
+import java.net.*;
+import java.util.*;
+import java.io.*;
+import javax.net.ssl.*;
+import java.security.*;
+import java.security.cert.*;
+import java.security.spec.*;
+import java.security.interfaces.*;
+import sun.misc.BASE64Decoder;
+
+
+public class TrustTrustedCert {
+
+    /*
+     * =============================================================
+     * Set the various variables needed for the tests, then
+     * specify what tests to run on each side.
+     */
+
+    /*
+     * Should we run the client or server in a separate thread?
+     * Both sides can throw exceptions, but do you have a preference
+     * as to which side should be the main thread.
+     */
+    static boolean separateServerThread = false;
+
+    /*
+     * Certificates and key used in the test.
+     */
+
+    // It's a trust anchor signed with MD2 hash function.
+    static String trustedCertStr =
+        "-----BEGIN CERTIFICATE-----\n" +
+        "MIICkjCCAfugAwIBAgIBADANBgkqhkiG9w0BAQIFADA7MQswCQYDVQQGEwJVUzEN\n" +
+        "MAsGA1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UwHhcN\n" +
+        "MTExMTE4MTExNDA0WhcNMzIxMDI4MTExNDA0WjA7MQswCQYDVQQGEwJVUzENMAsG\n" +
+        "A1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UwgZ8wDQYJ\n" +
+        "KoZIhvcNAQEBBQADgY0AMIGJAoGBAPGyB9tugUGgxtdeqe0qJEwf9x1Gy4BOi1yR\n" +
+        "wzDZY4H5LquvIfQ2V3J9X1MQENVsFvkvp65ZcFcy+ObOucXUUPFcd/iw2DVb5QXA\n" +
+        "ffyeVqWD56GPi8Qe37wrJO3L6fBhN9oxp/BbdRLgjU81zx8qLEyPODhPMxV4OkcA\n" +
+        "SDwZTSxxAgMBAAGjgaUwgaIwHQYDVR0OBBYEFLOAtr/YrYj9H04EDLA0fd14jisF\n" +
+        "MGMGA1UdIwRcMFqAFLOAtr/YrYj9H04EDLA0fd14jisFoT+kPTA7MQswCQYDVQQG\n" +
+        "EwJVUzENMAsGA1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2\n" +
+        "Y2WCAQAwDwYDVR0TAQH/BAUwAwEB/zALBgNVHQ8EBAMCAQYwDQYJKoZIhvcNAQEC\n" +
+        "BQADgYEAr8ExpXu/FTIRiMzPm0ubqwME4lniilwQUiEOD/4DbksNjEIcUyS2hIk1\n" +
+        "qsmjJz3SHBnwhxl9dhJVwk2tZLkPGW86Zn0TPVRsttK4inTgCC9GFGeqQBdrU/uf\n" +
+        "lipBzXWljrfbg4N/kK8m2LabtKUMMnGysM8rN0Fx2PYm5xxGvtM=\n" +
+        "-----END CERTIFICATE-----";
+
+    // The certificate issued by above trust anchor, signed with MD5
+    static String targetCertStr =
+        "-----BEGIN CERTIFICATE-----\n" +
+        "MIICeDCCAeGgAwIBAgIBAjANBgkqhkiG9w0BAQQFADA7MQswCQYDVQQGEwJVUzEN\n" +
+        "MAsGA1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UwHhcN\n" +
+        "MTExMTE4MTExNDA2WhcNMzEwODA1MTExNDA2WjBPMQswCQYDVQQGEwJVUzENMAsG\n" +
+        "A1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UxEjAQBgNV\n" +
+        "BAMTCWxvY2FsaG9zdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAwDnm96mw\n" +
+        "fXCH4bgXk1US0VcJsQVxUtGMyncAveMuzBzNzOmKZPeqyYX1Fuh4q+cuza03WTJd\n" +
+        "G9nOkNr364e3Rn1aaHjCMcBmFflObnGnhhufNmIGYogJ9dJPmhUVPEVAXrMG+Ces\n" +
+        "NKy2E8woGnLMrqu6yiuTClbLBPK8fWzTXrECAwEAAaN4MHYwCwYDVR0PBAQDAgPo\n" +
+        "MB0GA1UdDgQWBBSdRrpocLPJXyGfDmMWJrcEf29WGDAfBgNVHSMEGDAWgBSzgLa/\n" +
+        "2K2I/R9OBAywNH3deI4rBTAnBgNVHSUEIDAeBggrBgEFBQcDAQYIKwYBBQUHAwIG\n" +
+        "CCsGAQUFBwMDMA0GCSqGSIb3DQEBBAUAA4GBAKJ71ZiCUykkJrCLYUxlFlhvUcr9\n" +
+        "sTcOc67QdroW5f412NI15SXWDiley/JOasIiuIFPjaJBjOKoHOvTjG/snVu9wEgq\n" +
+        "YNR8dPsO+NM8r79C6jO+Jx5fYAC7os2XxS75h3NX0ElJcbwIXGBJ6xRrsFh/BGYH\n" +
+        "yvudOlX4BkVR0l1K\n" +
+        "-----END CERTIFICATE-----";
+
+    // Private key in the format of PKCS#8.
+    static String targetPrivateKey =
+        "MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAMA55vepsH1wh+G4\n" +
+        "F5NVEtFXCbEFcVLRjMp3AL3jLswczczpimT3qsmF9RboeKvnLs2tN1kyXRvZzpDa\n" +
+        "9+uHt0Z9Wmh4wjHAZhX5Tm5xp4YbnzZiBmKICfXST5oVFTxFQF6zBvgnrDSsthPM\n" +
+        "KBpyzK6rusorkwpWywTyvH1s016xAgMBAAECgYEAn9bF3oRkdDoBU0i/mcww5I+K\n" +
+        "SH9tFt+WQbiojjz9ac49trkvUfu7MO1Jui2+QbrvaSkyj+HYGFOJd1wMsPXeB7ck\n" +
+        "5mOIYV4uZK8jfNMSQ8v0tFEeIPp5lKdw1XnrQfSe+abo2eL5Lwso437Y4s3w37+H\n" +
+        "aY3d76hR5qly+Ys+Ww0CQQDjeOoX89d/xhRqGXKjCx8ImE/dPmsI8O27cwtKrDYJ\n" +
+        "6t0v/xryVIdvOYcRBvKnqEogOH7T1kI+LnWKUTJ2ehJ7AkEA2FVloPVqCehXcc7e\n" +
+        "z3TDpU9w1B0JXklcV5HddYsRqp9RukN/VK4szKE7F1yoarIUtfE9Lr9082Jwyp3M\n" +
+        "L11xwwJBAKsZ+Hur3x0tUY29No2Nf/pnFyvEF57SGwA0uPmiL8Ol9lpz+UDudDEl\n" +
+        "hIM6Rqv12kwCMuQE9i7vo1o3WU3k5KECQEqhg1L49yD935TqiiFFpe0Ur9btQXse\n" +
+        "kdXAA4d2d5zGI7q/aGD9SYU6phkUJSHR16VA2RuUfzMrpb+wmm1IrmMCQFtLoKRT\n" +
+        "A5kokFb+E3Gplu29tJvCUpfwgBFRS+wmkvtiaU/tiyDcVgDO+An5DwedxxdVzqiE\n" +
+        "njWHoKY3axDQ8OU=\n";
+
+
+    static char passphrase[] = "passphrase".toCharArray();
+
+    /*
+     * Is the server ready to serve?
+     */
+    volatile static boolean serverReady = false;
+
+    /*
+     * Turn on SSL debugging?
+     */
+    static boolean debug = false;
+
+    /*
+     * Define the server side of the test.
+     *
+     * If the server prematurely exits, serverReady will be set to true
+     * to avoid infinite hangs.
+     */
+    void doServerSide() throws Exception {
+        SSLContext context = generateSSLContext();
+        SSLServerSocketFactory sslssf = context.getServerSocketFactory();
+        SSLServerSocket sslServerSocket =
+            (SSLServerSocket)sslssf.createServerSocket(serverPort);
+        sslServerSocket.setNeedClientAuth(true);
+        serverPort = sslServerSocket.getLocalPort();
+
+        /*
+         * Signal Client, we're ready for his connect.
+         */
+        serverReady = true;
+
+        SSLSocket sslSocket = (SSLSocket)sslServerSocket.accept();
+        InputStream sslIS = sslSocket.getInputStream();
+        OutputStream sslOS = sslSocket.getOutputStream();
+
+        sslIS.read();
+        sslOS.write('A');
+        sslOS.flush();
+
+        sslSocket.close();
+    }
+
+    /*
+     * Define the client side of the test.
+     *
+     * If the server prematurely exits, serverReady will be set to true
+     * to avoid infinite hangs.
+     */
+    void doClientSide() throws Exception {
+
+        /*
+         * Wait for server to get started.
+         */
+        while (!serverReady) {
+            Thread.sleep(50);
+        }
+
+        SSLContext context = generateSSLContext();
+        SSLSocketFactory sslsf = context.getSocketFactory();
+
+        SSLSocket sslSocket =
+            (SSLSocket)sslsf.createSocket("localhost", serverPort);
+
+        // enable the specified TLS protocol
+        sslSocket.setEnabledProtocols(new String[] {tlsProtocol});
+
+        InputStream sslIS = sslSocket.getInputStream();
+        OutputStream sslOS = sslSocket.getOutputStream();
+
+        sslOS.write('B');
+        sslOS.flush();
+        sslIS.read();
+
+        sslSocket.close();
+    }
+
+    /*
+     * =============================================================
+     * The remainder is just support stuff
+     */
+    private static String tmAlgorithm;        // trust manager
+    private static String tlsProtocol;        // trust manager
+
+    private static void parseArguments(String[] args) {
+        tmAlgorithm = args[0];
+        tlsProtocol = args[1];
+    }
+
+    private static SSLContext generateSSLContext() throws Exception {
+
+        // generate certificate from cert string
+        CertificateFactory cf = CertificateFactory.getInstance("X.509");
+
+        // create a key store
+        KeyStore ks = KeyStore.getInstance("JKS");
+        ks.load(null, null);
+
+        // import the trused cert
+        X509Certificate trusedCert = null;
+        ByteArrayInputStream is =
+                new ByteArrayInputStream(trustedCertStr.getBytes());
+        trusedCert = (X509Certificate)cf.generateCertificate(is);
+        is.close();
+
+        ks.setCertificateEntry("Trusted RSA Signer", trusedCert);
+
+        // generate the private key.
+        PKCS8EncodedKeySpec priKeySpec = new PKCS8EncodedKeySpec(
+                            new BASE64Decoder().decodeBuffer(targetPrivateKey));
+        KeyFactory kf = KeyFactory.getInstance("RSA");
+        RSAPrivateKey priKey =
+                (RSAPrivateKey)kf.generatePrivate(priKeySpec);
+
+        // generate certificate chain
+        is = new ByteArrayInputStream(targetCertStr.getBytes());
+        X509Certificate keyCert = (X509Certificate)cf.generateCertificate(is);
+        is.close();
+
+        X509Certificate[] chain = new X509Certificate[2];
+        chain[0] = keyCert;
+        chain[1] = trusedCert;
+
+        // import the key entry and the chain
+        ks.setKeyEntry("TheKey", priKey, passphrase, chain);
+
+        // create SSL context
+        TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmAlgorithm);
+        tmf.init(ks);
+
+        // create the customized KM and TM
+        NoneExtendedX509TM myTM =
+            new NoneExtendedX509TM(tmf.getTrustManagers()[0]);
+        NoneExtendedX509KM myKM =
+            new NoneExtendedX509KM("TheKey", chain, priKey);
+
+        SSLContext ctx = SSLContext.getInstance(tlsProtocol);
+        // KeyManagerFactory kmf = KeyManagerFactory.getInstance("NewSunX509");
+        // kmf.init(ks, passphrase);
+        // ctx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
+        ctx.init(new KeyManager[]{myKM}, new TrustManager[]{myTM}, null);
+        ks = null;
+
+        return ctx;
+    }
+
+    static class NoneExtendedX509TM implements X509TrustManager {
+        X509TrustManager tm;
+
+        NoneExtendedX509TM(TrustManager tm) {
+            this.tm = (X509TrustManager)tm;
+        }
+
+        public void checkClientTrusted(X509Certificate chain[], String authType)
+                throws CertificateException {
+            tm.checkClientTrusted(chain, authType);
+        }
+
+        public void checkServerTrusted(X509Certificate chain[], String authType)
+                throws CertificateException {
+            tm.checkServerTrusted(chain, authType);
+        }
+
+        public X509Certificate[] getAcceptedIssuers() {
+            return tm.getAcceptedIssuers();
+        }
+    }
+
+    static class NoneExtendedX509KM implements X509KeyManager {
+        private String keyAlias;
+        private X509Certificate[] chain;
+        private PrivateKey privateKey;
+
+        NoneExtendedX509KM(String keyAlias, X509Certificate[] chain,
+                PrivateKey privateKey) {
+            this.keyAlias = keyAlias;
+            this.chain = chain;
+            this.privateKey = privateKey;
+        }
+
+        public String[] getClientAliases(String keyType, Principal[] issuers) {
+            return new String[] {keyAlias};
+        }
+
+        public String chooseClientAlias(String[] keyType, Principal[] issuers,
+                Socket socket) {
+            return keyAlias;
+        }
+
+        public String[] getServerAliases(String keyType, Principal[] issuers) {
+            return new String[] {keyAlias};
+        }
+
+        public String chooseServerAlias(String keyType, Principal[] issuers,
+                Socket socket) {
+            return keyAlias;
+        }
+
+        public X509Certificate[] getCertificateChain(String alias) {
+            return chain;
+        }
+
+        public PrivateKey getPrivateKey(String alias) {
+            return privateKey;
+        }
+    }
+
+
+    // use any free port by default
+    volatile int serverPort = 0;
+
+    volatile Exception serverException = null;
+    volatile Exception clientException = null;
+
+    public static void main(String[] args) throws Exception {
+        if (debug)
+            System.setProperty("javax.net.debug", "all");
+
+        /*
+         * Get the customized arguments.
+         */
+        parseArguments(args);
+
+        /*
+         * Start the tests.
+         */
+        new TrustTrustedCert();
+    }
+
+    Thread clientThread = null;
+    Thread serverThread = null;
+
+    /*
+     * Primary constructor, used to drive remainder of the test.
+     *
+     * Fork off the other side, then do your work.
+     */
+    TrustTrustedCert() throws Exception {
+        try {
+            if (separateServerThread) {
+                startServer(true);
+                startClient(false);
+            } else {
+                startClient(true);
+                startServer(false);
+            }
+        } catch (Exception e) {
+            // swallow for now.  Show later
+        }
+
+        /*
+         * Wait for other side to close down.
+         */
+        if (separateServerThread) {
+            serverThread.join();
+        } else {
+            clientThread.join();
+        }
+
+        /*
+         * When we get here, the test is pretty much over.
+         * Which side threw the error?
+         */
+        Exception local;
+        Exception remote;
+        String whichRemote;
+
+        if (separateServerThread) {
+            remote = serverException;
+            local = clientException;
+            whichRemote = "server";
+        } else {
+            remote = clientException;
+            local = serverException;
+            whichRemote = "client";
+        }
+
+        /*
+         * If both failed, return the curthread's exception, but also
+         * print the remote side Exception
+         */
+        if ((local != null) && (remote != null)) {
+            System.out.println(whichRemote + " also threw:");
+            remote.printStackTrace();
+            System.out.println();
+            throw local;
+        }
+
+        if (remote != null) {
+            throw remote;
+        }
+
+        if (local != null) {
+            throw local;
+        }
+    }
+
+    void startServer(boolean newThread) throws Exception {
+        if (newThread) {
+            serverThread = new Thread() {
+                public void run() {
+                    try {
+                        doServerSide();
+                    } catch (Exception e) {
+                        /*
+                         * Our server thread just died.
+                         *
+                         * Release the client, if not active already...
+                         */
+                        System.err.println("Server died...");
+                        serverReady = true;
+                        serverException = e;
+                    }
+                }
+            };
+            serverThread.start();
+        } else {
+            try {
+                doServerSide();
+            } catch (Exception e) {
+                serverException = e;
+            } finally {
+                serverReady = true;
+            }
+        }
+    }
+
+    void startClient(boolean newThread) throws Exception {
+        if (newThread) {
+            clientThread = new Thread() {
+                public void run() {
+                    try {
+                        doClientSide();
+                    } catch (Exception e) {
+                        /*
+                         * Our client thread just died.
+                         */
+                        System.err.println("Client died...");
+                        clientException = e;
+                    }
+                }
+            };
+            clientThread.start();
+        } else {
+            try {
+                doClientSide();
+            } catch (Exception e) {
+                clientException = e;
+            }
+        }
+    }
+}