author | xuelei |
Wed, 09 Apr 2014 12:49:51 +0000 | |
changeset 23733 | b9b80421cfa7 |
parent 7668 | d4a77089c587 |
child 30820 | 0d4717a011d3 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/** |
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* @test |
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* @bug 6313661 |
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* @summary Basic tests for TlsRsaPremasterSecret generator |
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* @author Andreas Sterbenz |
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*/ |
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import java.security.Security; |
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import java.security.Provider; |
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import javax.crypto.KeyGenerator; |
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import javax.crypto.SecretKey; |
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import java.util.Formatter; |
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import sun.security.internal.spec.TlsRsaPremasterSecretParameterSpec; |
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public class TestPremaster { |
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public static void main(String[] args) throws Exception { |
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Provider provider = Security.getProvider("SunJCE"); |
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KeyGenerator kg; |
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kg = KeyGenerator.getInstance("SunTlsRsaPremasterSecret", provider); |
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try { |
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kg.generateKey(); |
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throw new Exception("no exception"); |
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} catch (IllegalStateException e) { |
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System.out.println("OK: " + e); |
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} |
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int[] protocolVersions = {0x0300, 0x0301, 0x0302, 0x0400}; |
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for (int clientVersion : protocolVersions) { |
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for (int serverVersion : protocolVersions) { |
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test(kg, clientVersion, serverVersion); |
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if (serverVersion >= clientVersion) { |
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break; |
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} |
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} |
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} |
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System.out.println("Done."); |
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} |
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private static void test(KeyGenerator kg, |
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int clientVersion, int serverVersion) throws Exception { |
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System.out.printf( |
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"Testing RSA pre-master secret key generation between " + |
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"client (0x%04X) and server(0x%04X)%n", |
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clientVersion, serverVersion); |
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kg.init(new TlsRsaPremasterSecretParameterSpec( |
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clientVersion, serverVersion)); |
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SecretKey key = kg.generateKey(); |
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byte[] encoded = key.getEncoded(); |
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if (encoded != null) { // raw key material may be not extractable |
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if (encoded.length != 48) { |
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throw new Exception("length: " + encoded.length); |
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} |
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int v = versionOf(encoded[0], encoded[1]); |
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if (clientVersion != v) { |
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if (serverVersion != v || clientVersion >= 0x0302) { |
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throw new Exception(String.format( |
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"version mismatch: (0x%04X) rather than (0x%04X) " + |
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"is used in pre-master secret", v, clientVersion)); |
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} |
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System.out.printf("Use compatible version (0x%04X)%n", v); |
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} |
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System.out.println("Passed, version matches!"); |
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} else { |
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System.out.println("Raw key material is not extractable"); |
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} |
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} |
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private static int versionOf(int major, int minor) { |
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return ((major & 0xFF) << 8) | (minor & 0xFF); |
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} |
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} |