changeset 51465:e4ba2cfcfa92

8208350: Disable all DES cipher suites Reviewed-by: xuelei, mullan
author jnimeh
date Mon, 20 Aug 2018 15:37:47 -0700
parents d96e6839e83d
children d222f503b7fe
files src/java.base/share/classes/sun/security/ssl/CipherSuite.java src/java.base/share/conf/security/java.security test/jdk/sun/security/ssl/CipherSuite/NoDesRC4CiphSuite.java test/jdk/sun/security/ssl/SSLContextImpl/CustomizedCipherSuites.java
diffstat 4 files changed, 366 insertions(+), 20 deletions(-) [+]
line wrap: on
line diff
--- a/src/java.base/share/classes/sun/security/ssl/CipherSuite.java	Mon Aug 20 14:19:30 2018 -0700
+++ b/src/java.base/share/classes/sun/security/ssl/CipherSuite.java	Mon Aug 20 15:37:47 2018 -0700
@@ -435,12 +435,12 @@
             0x0003, false, "SSL_RSA_EXPORT_WITH_RC4_40_MD5",
                            "TLS_RSA_EXPORT_WITH_RC4_40_MD5",
             ProtocolVersion.PROTOCOLS_TO_10,
-            K_RSA_EXPORT, B_DES_40, M_MD5, H_NONE),
+            K_RSA_EXPORT, B_RC4_40, M_MD5, H_NONE),
     SSL_DH_anon_EXPORT_WITH_RC4_40_MD5(
             0x0017, false, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5",
                            "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5",
             ProtocolVersion.PROTOCOLS_TO_10,
-            K_DH_ANON, B_DES_40, M_MD5, H_NONE),
+            K_DH_ANON, B_RC4_40, M_MD5, H_NONE),
 
     // no traffic encryption cipher suites
     TLS_RSA_WITH_NULL_SHA256(
--- a/src/java.base/share/conf/security/java.security	Mon Aug 20 14:19:30 2018 -0700
+++ b/src/java.base/share/conf/security/java.security	Mon Aug 20 15:37:47 2018 -0700
@@ -675,8 +675,8 @@
 #
 # Example:
 #   jdk.tls.disabledAlgorithms=MD5, SSLv3, DSA, RSA keySize < 2048
-jdk.tls.disabledAlgorithms=SSLv3, RC4, MD5withRSA, DH keySize < 1024, \
-    EC keySize < 224, DES40_CBC, RC4_40, 3DES_EDE_CBC
+jdk.tls.disabledAlgorithms=SSLv3, RC4, DES, MD5withRSA, DH keySize < 1024, \
+    EC keySize < 224, 3DES_EDE_CBC
 
 #
 # Legacy algorithms for Secure Socket Layer/Transport Layer Security (SSL/TLS)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/security/ssl/CipherSuite/NoDesRC4CiphSuite.java	Mon Aug 20 15:37:47 2018 -0700
@@ -0,0 +1,346 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+
+/*
+ * @test
+ * @bug 8208350
+ * @summary Disable all DES cipher suites
+ * @run main/othervm NoDesRC4CiphSuite
+ */
+
+/*
+ * SunJSSE does not support dynamic system properties, no way to re-use
+ * system properties in samevm/agentvm mode.
+ */
+
+import java.security.Security;
+import javax.net.ssl.*;
+import javax.net.ssl.SSLEngineResult.HandshakeStatus;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.security.GeneralSecurityException;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public class NoDesRC4CiphSuite {
+
+    private static final boolean DEBUG = false;
+
+    private static final byte RECTYPE_HS = 0x16;
+    private static final byte HSMSG_CLIHELLO = 0x01;
+
+    // These are some groups of Cipher Suites by names and IDs
+    private static final List<Integer> DES_CS_LIST = Arrays.asList(
+        0x0009, 0x0015, 0x0012, 0x001A, 0x0008, 0x0014, 0x0011, 0x0019
+    );
+    private static final String[] DES_CS_LIST_NAMES = new String[] {
+        "SSL_RSA_WITH_DES_CBC_SHA",
+        "SSL_DHE_RSA_WITH_DES_CBC_SHA",
+        "SSL_DHE_DSS_WITH_DES_CBC_SHA",
+        "SSL_DH_anon_WITH_DES_CBC_SHA",
+        "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA",
+        "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA",
+        "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA",
+        "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"
+    };
+    private static final List<Integer> RC4_CS_LIST = Arrays.asList(
+        0xC007, 0xC011, 0x0005, 0xC002, 0xC00C, 0x0004, 0xC016, 0x0018,
+        0x0003, 0x0017
+    );
+    private static final String[] RC4_CS_LIST_NAMES = new String[] {
+        "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA",
+        "TLS_ECDHE_RSA_WITH_RC4_128_SHA",
+        "SSL_RSA_WITH_RC4_128_SHA",
+        "TLS_ECDH_ECDSA_WITH_RC4_128_SHA",
+        "TLS_ECDH_RSA_WITH_RC4_128_SHA",
+        "SSL_RSA_WITH_RC4_128_MD5",
+        "TLS_ECDH_anon_WITH_RC4_128_SHA",
+        "SSL_DH_anon_WITH_RC4_128_MD5",
+        "SSL_RSA_EXPORT_WITH_RC4_40_MD5",
+        "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"
+    };
+
+    private static final ByteBuffer CLIOUTBUF =
+            ByteBuffer.wrap("Client Side".getBytes());
+
+    public static void main(String[] args) throws Exception {
+        boolean allGood = true;
+        String disAlg = Security.getProperty("jdk.tls.disabledAlgorithms");
+        System.err.println("Disabled Algs: " + disAlg);
+
+        // Disabled DES tests
+        allGood &= testDefaultCase(DES_CS_LIST);
+        allGood &= testEngAddDisabled(DES_CS_LIST_NAMES, DES_CS_LIST);
+        allGood &= testEngOnlyDisabled(DES_CS_LIST_NAMES);
+
+        // Disabled RC4 tests
+        allGood &= testDefaultCase(RC4_CS_LIST);
+        allGood &= testEngAddDisabled(RC4_CS_LIST_NAMES, RC4_CS_LIST);
+        allGood &= testEngOnlyDisabled(RC4_CS_LIST_NAMES);
+
+        if (allGood) {
+            System.err.println("All tests passed");
+        } else {
+            throw new RuntimeException("One or more tests failed");
+        }
+    }
+
+    /**
+     * Create an engine with the default set of cipher suites enabled and make
+     * sure none of the disabled suites are present in the client hello.
+     *
+     * @param disabledSuiteIds the {@code List} of disabled cipher suite IDs
+     *      to be checked for.
+     *
+     * @return true if the test passed (No disabled suites), false otherwise
+     */
+    private static boolean testDefaultCase(List<Integer> disabledSuiteIds)
+            throws Exception {
+        System.err.println("\nTest: Default SSLEngine suite set");
+        SSLEngine ssle = makeEngine();
+        if (DEBUG) {
+            listCiphers("Suite set upon creation", ssle);
+        }
+        SSLEngineResult clientResult;
+        ByteBuffer cTOs = makeClientBuf(ssle);
+        clientResult = ssle.wrap(CLIOUTBUF, cTOs);
+        if (DEBUG) {
+            dumpResult("ClientHello: ", clientResult);
+        }
+        cTOs.flip();
+        boolean foundSuite = areSuitesPresentCH(cTOs, disabledSuiteIds);
+        if (foundSuite) {
+            System.err.println("FAIL: Found disabled suites!");
+            return false;
+        } else {
+            System.err.println("PASS: No disabled suites found.");
+            return true;
+        }
+    }
+
+    /**
+     * Create an engine and set only disabled cipher suites.
+     * The engine should not create the client hello message since the only
+     * available suites to assert in the client hello are disabled ones.
+     *
+     * @param disabledSuiteNames an array of cipher suite names that
+     *      should be disabled cipher suites.
+     *
+     * @return true if the engine throws SSLHandshakeException during client
+     *      hello creation, false otherwise.
+     */
+    private static boolean testEngOnlyDisabled(String[] disabledSuiteNames)
+            throws Exception {
+        System.err.println(
+                "\nTest: SSLEngine configured with only disabled suites");
+        try {
+            SSLEngine ssle = makeEngine();
+            ssle.setEnabledCipherSuites(disabledSuiteNames);
+            if (DEBUG) {
+                listCiphers("Suite set upon creation", ssle);
+            }
+            SSLEngineResult clientResult;
+            ByteBuffer cTOs = makeClientBuf(ssle);
+            clientResult = ssle.wrap(CLIOUTBUF, cTOs);
+            if (DEBUG) {
+                dumpResult("ClientHello: ", clientResult);
+            }
+            cTOs.flip();
+        } catch (SSLHandshakeException shse) {
+            System.err.println("PASS: Caught expected exception: " + shse);
+            return true;
+        }
+        System.err.println("FAIL: Expected SSLHandshakeException not thrown");
+        return false;
+    }
+
+    /**
+     * Create an engine and add some disabled suites to the default
+     * set of cipher suites.  Make sure none of the disabled suites show up
+     * in the client hello even though they were explicitly added.
+     *
+     * @param disabledSuiteNames an array of cipher suite names that
+     *      should be disabled cipher suites.
+     * @param disabledIds the {@code List} of disabled cipher suite IDs
+     *      to be checked for.
+     *
+     * @return true if the test passed (No disabled suites), false otherwise
+     */
+    private static boolean testEngAddDisabled(String[] disabledNames,
+            List<Integer> disabledIds) throws Exception {
+        System.err.println("\nTest: SSLEngine with disabled suites added");
+        SSLEngine ssle = makeEngine();
+
+        // Add disabled suites to the existing engine's set of enabled suites
+        String[] initialSuites = ssle.getEnabledCipherSuites();
+        String[] plusDisSuites = Arrays.copyOf(initialSuites,
+                initialSuites.length + disabledNames.length);
+        System.arraycopy(disabledNames, 0, plusDisSuites,
+                initialSuites.length, disabledNames.length);
+        ssle.setEnabledCipherSuites(plusDisSuites);
+
+        if (DEBUG) {
+            listCiphers("Suite set upon creation", ssle);
+        }
+        SSLEngineResult clientResult;
+        ByteBuffer cTOs = makeClientBuf(ssle);
+        clientResult = ssle.wrap(CLIOUTBUF, cTOs);
+        if (DEBUG) {
+            dumpResult("ClientHello: ", clientResult);
+        }
+        cTOs.flip();
+        boolean foundDisabled = areSuitesPresentCH(cTOs, disabledIds);
+        if (foundDisabled) {
+            System.err.println("FAIL: Found disabled suites!");
+            return false;
+        } else {
+            System.err.println("PASS: No disabled suites found.");
+            return true;
+        }
+    }
+
+    private static SSLEngine makeEngine() throws GeneralSecurityException {
+        SSLContext ctx = SSLContext.getInstance("TLSv1.2");
+        ctx.init(null, null, null);
+        return ctx.createSSLEngine();
+    }
+
+    private static ByteBuffer makeClientBuf(SSLEngine ssle) {
+        ssle.setUseClientMode(true);
+        ssle.setNeedClientAuth(false);
+        SSLSession sess = ssle.getSession();
+        ByteBuffer cTOs = ByteBuffer.allocateDirect(sess.getPacketBufferSize());
+        return cTOs;
+    }
+
+    private static void listCiphers(String prefix, SSLEngine ssle) {
+        System.err.println(prefix + "\n---------------");
+        String[] suites = ssle.getEnabledCipherSuites();
+        for (String suite : suites) {
+            System.err.println(suite);
+        }
+        System.err.println("---------------");
+    }
+
+    /**
+     * Walk a TLS 1.2 or earlier ClientHello looking for any of the suites
+     * in the suiteIdList.
+     *
+     * @param clientHello a ByteBuffer containing the ClientHello message as
+     *      a complete TLS record.  The position of the buffer should be
+     *      at the first byte of the TLS record header.
+     * @param suiteIdList a List of integer values corresponding to
+     *      TLS cipher suite identifiers.
+     *
+     * @return true if at least one of the suites in {@code suiteIdList}
+     * is found in the ClientHello's cipher suite list
+     *
+     * @throws IOException if the data in the {@code clientHello}
+     *      buffer is not a TLS handshake message or is not a client hello.
+     */
+    private static boolean areSuitesPresentCH(ByteBuffer clientHello,
+            List<Integer> suiteIdList) throws IOException {
+        byte val;
+
+        // Process the TLS Record
+        val = clientHello.get();
+        if (val != RECTYPE_HS) {
+            throw new IOException(
+                    "Not a handshake record, type = " + val);
+        }
+
+        // Just skip over the version and length
+        clientHello.position(clientHello.position() + 4);
+
+        // Check the handshake message type
+        val = clientHello.get();
+        if (val != HSMSG_CLIHELLO) {
+            throw new IOException(
+                    "Not a ClientHello handshake message, type = " + val);
+        }
+
+        // Skip over the length
+        clientHello.position(clientHello.position() + 3);
+
+        // Skip over the protocol version (2) and random (32);
+        clientHello.position(clientHello.position() + 34);
+
+        // Skip past the session ID (variable length <= 32)
+        int len = Byte.toUnsignedInt(clientHello.get());
+        if (len > 32) {
+            throw new IOException("Session ID is too large, len = " + len);
+        }
+        clientHello.position(clientHello.position() + len);
+
+        // Finally, we are at the cipher suites.  Walk the list and place them
+        // into a List.
+        int csLen = Short.toUnsignedInt(clientHello.getShort());
+        if (csLen % 2 != 0) {
+            throw new IOException("CipherSuite length is invalid, len = " +
+                    csLen);
+        }
+        int csCount = csLen / 2;
+        List<Integer> csSuiteList = new ArrayList<>(csCount);
+        log("Found following suite IDs in hello:");
+        for (int i = 0; i < csCount; i++) {
+            int curSuite = Short.toUnsignedInt(clientHello.getShort());
+            log(String.format("Suite ID: 0x%04x", curSuite));
+            csSuiteList.add(curSuite);
+        }
+
+        // Now check to see if any of the suites passed in match what is in
+        // the suite list.
+        boolean foundMatch = false;
+        for (Integer cs : suiteIdList) {
+            if (csSuiteList.contains(cs)) {
+                System.err.format("Found match for suite ID 0x%04x\n", cs);
+                foundMatch = true;
+                break;
+            }
+        }
+
+        // We don't care about the rest of the ClientHello message.
+        // Rewind and return whether we found a match or not.
+        clientHello.rewind();
+        return foundMatch;
+    }
+
+    private static void dumpResult(String str, SSLEngineResult result) {
+        System.err.println("The format of the SSLEngineResult is: \n" +
+            "\t\"getStatus() / getHandshakeStatus()\" +\n" +
+            "\t\"bytesConsumed() / bytesProduced()\"\n");
+        HandshakeStatus hsStatus = result.getHandshakeStatus();
+        System.err.println(str + result.getStatus() + "/" + hsStatus + ", " +
+            result.bytesConsumed() + "/" + result.bytesProduced() + " bytes");
+        if (hsStatus == HandshakeStatus.FINISHED) {
+            System.err.println("\t...ready for application data");
+        }
+    }
+
+    private static void log(String str) {
+        if (DEBUG) {
+            System.err.println(str);
+        }
+    }
+}
--- a/test/jdk/sun/security/ssl/SSLContextImpl/CustomizedCipherSuites.java	Mon Aug 20 14:19:30 2018 -0700
+++ b/test/jdk/sun/security/ssl/SSLContextImpl/CustomizedCipherSuites.java	Mon Aug 20 15:37:47 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -31,47 +31,47 @@
  * @run main/othervm
  *      CustomizedCipherSuites Default true
  *      TLS_RSA_WITH_AES_128_CBC_SHA
- *      SSL_RSA_WITH_DES_CBC_SHA
+ *      TLS_ECDH_anon_WITH_AES_128_CBC_SHA
  * @run main/othervm
  *      -Djdk.tls.client.cipherSuites="unknown"
  *      CustomizedCipherSuites Default true
  *      TLS_RSA_WITH_AES_128_CBC_SHA
- *      SSL_RSA_WITH_DES_CBC_SHA
+ *      TLS_ECDH_anon_WITH_AES_128_CBC_SHA
  * @run main/othervm
  *      -Djdk.tls.client.cipherSuites=""
  *      CustomizedCipherSuites Default true
  *      TLS_RSA_WITH_AES_128_CBC_SHA
- *      SSL_RSA_WITH_DES_CBC_SHA
+ *      TLS_ECDH_anon_WITH_AES_128_CBC_SHA
  * @run main/othervm
- *      -Djdk.tls.client.cipherSuites="SSL_RSA_WITH_DES_CBC_SHA"
+ *      -Djdk.tls.client.cipherSuites="TLS_ECDH_anon_WITH_AES_128_CBC_SHA"
  *      CustomizedCipherSuites Default true
- *      SSL_RSA_WITH_DES_CBC_SHA
+ *      TLS_ECDH_anon_WITH_AES_128_CBC_SHA
  *      TLS_RSA_WITH_AES_128_CBC_SHA
  * @run main/othervm
- *      -Djdk.tls.server.cipherSuites="SSL_RSA_WITH_DES_CBC_SHA"
+ *      -Djdk.tls.server.cipherSuites="TLS_ECDH_anon_WITH_AES_128_CBC_SHA"
  *      CustomizedCipherSuites Default false
- *      SSL_RSA_WITH_DES_CBC_SHA
+ *      TLS_ECDH_anon_WITH_AES_128_CBC_SHA
  *      TLS_RSA_WITH_AES_128_CBC_SHA
  * @run main/othervm
- *      -Djdk.tls.client.cipherSuites="TLS_RSA_WITH_AES_128_CBC_SHA,unknown,SSL_RSA_WITH_DES_CBC_SHA"
+ *      -Djdk.tls.client.cipherSuites="TLS_RSA_WITH_AES_128_CBC_SHA,unknown,TLS_ECDH_anon_WITH_AES_128_CBC_SHA"
  *      CustomizedCipherSuites Default true
- *      SSL_RSA_WITH_DES_CBC_SHA
+ *      TLS_ECDH_anon_WITH_AES_128_CBC_SHA
  *      ""
  * @run main/othervm
- *      -Djdk.tls.server.cipherSuites="TLS_RSA_WITH_AES_128_CBC_SHA,unknown,SSL_RSA_WITH_DES_CBC_SHA"
+ *      -Djdk.tls.server.cipherSuites="TLS_RSA_WITH_AES_128_CBC_SHA,unknown,TLS_ECDH_anon_WITH_AES_128_CBC_SHA"
  *      CustomizedCipherSuites Default false
  *      TLS_RSA_WITH_AES_128_CBC_SHA
  *      ""
  * @run main/othervm
- *      -Djdk.tls.server.cipherSuites="SSL_RSA_WITH_DES_CBC_SHA"
+ *      -Djdk.tls.server.cipherSuites="TLS_ECDH_anon_WITH_AES_128_CBC_SHA"
  *      CustomizedCipherSuites Default true
  *      TLS_RSA_WITH_AES_128_CBC_SHA
- *      SSL_RSA_WITH_DES_CBC_SHA
+ *      TLS_ECDH_anon_WITH_AES_128_CBC_SHA
  * @run main/othervm
- *      -Djdk.tls.client.cipherSuites="SSL_RSA_WITH_DES_CBC_SHA"
+ *      -Djdk.tls.client.cipherSuites="TLS_ECDH_anon_WITH_AES_128_CBC_SHA"
  *      CustomizedCipherSuites Default false
  *      TLS_RSA_WITH_AES_128_CBC_SHA
- *      SSL_RSA_WITH_DES_CBC_SHA
+ *      TLS_ECDH_anon_WITH_AES_128_CBC_SHA
  */
 
 import javax.net.ssl.*;
@@ -79,7 +79,7 @@
 /**
  * Test the customized default cipher suites.
  *
- * This test is based on the behavior that SSL_RSA_WITH_DES_CBC_SHA is
+ * This test is based on the behavior that TLS_ECDH_anon_WITH_AES_128_CBC_SHA is
  * disabled by default, and TLS_RSA_WITH_AES_128_CBC_SHA is enabled by
  * default in JDK.  If the behavior is changed in the future, please
  * update the test cases above accordingly.