| /* |
| * Copyright (c) 1998, 2007, 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 0000000 |
| * @summary DHKeyFactory |
| * @author Jan Luehe |
| */ |
| |
| import java.io.*; |
| import java.math.BigInteger; |
| import java.security.*; |
| import java.security.spec.*; |
| import java.security.interfaces.*; |
| import javax.crypto.*; |
| import javax.crypto.spec.*; |
| import javax.crypto.interfaces.*; |
| import com.sun.crypto.provider.SunJCE; |
| |
| /** |
| * This test creates a DH keypair, retrieves the encodings of the DH public and |
| * private key, and feeds those encodings to a DH key factory, which parses |
| * the encodings and creates a DH public and private key from them. |
| */ |
| |
| public class DHKeyFactory { |
| |
| private DHKeyFactory() {} |
| |
| public static void main(String argv[]) throws Exception { |
| // Add JCE to the list of providers |
| SunJCE jce = new SunJCE(); |
| Security.addProvider(jce); |
| |
| DHKeyFactory test = new DHKeyFactory(); |
| test.run(); |
| System.out.println("Test Passed"); |
| } |
| |
| private void run() throws Exception { |
| |
| DHParameterSpec dhSkipParamSpec; |
| |
| // use some pre-generated, default DH parameters |
| System.err.println("Using SKIP Diffie-Hellman parameters"); |
| dhSkipParamSpec = new DHParameterSpec(skip1024Modulus, |
| skip1024Base); |
| |
| KeyPairGenerator kpgen = KeyPairGenerator.getInstance("DH"); |
| kpgen.initialize(dhSkipParamSpec); |
| KeyPair kp = kpgen.generateKeyPair(); |
| |
| // get the public key encoding |
| byte[] pubKeyEnc = kp.getPublic().getEncoded(); |
| |
| // get the private key encoding |
| byte[] privKeyEnc = kp.getPrivate().getEncoded(); |
| |
| KeyFactory kfac = KeyFactory.getInstance("DH"); |
| |
| X509EncodedKeySpec x509KeySpec = new X509EncodedKeySpec(pubKeyEnc); |
| PublicKey pubKey = kfac.generatePublic(x509KeySpec); |
| |
| PKCS8EncodedKeySpec pkcsKeySpec = new PKCS8EncodedKeySpec(privKeyEnc); |
| PrivateKey privKey = kfac.generatePrivate(pkcsKeySpec); |
| } |
| |
| // The 1024 bit Diffie-Hellman modulus values used by SKIP |
| private static final byte skip1024ModulusBytes[] = { |
| (byte)0xF4, (byte)0x88, (byte)0xFD, (byte)0x58, |
| (byte)0x4E, (byte)0x49, (byte)0xDB, (byte)0xCD, |
| (byte)0x20, (byte)0xB4, (byte)0x9D, (byte)0xE4, |
| (byte)0x91, (byte)0x07, (byte)0x36, (byte)0x6B, |
| (byte)0x33, (byte)0x6C, (byte)0x38, (byte)0x0D, |
| (byte)0x45, (byte)0x1D, (byte)0x0F, (byte)0x7C, |
| (byte)0x88, (byte)0xB3, (byte)0x1C, (byte)0x7C, |
| (byte)0x5B, (byte)0x2D, (byte)0x8E, (byte)0xF6, |
| (byte)0xF3, (byte)0xC9, (byte)0x23, (byte)0xC0, |
| (byte)0x43, (byte)0xF0, (byte)0xA5, (byte)0x5B, |
| (byte)0x18, (byte)0x8D, (byte)0x8E, (byte)0xBB, |
| (byte)0x55, (byte)0x8C, (byte)0xB8, (byte)0x5D, |
| (byte)0x38, (byte)0xD3, (byte)0x34, (byte)0xFD, |
| (byte)0x7C, (byte)0x17, (byte)0x57, (byte)0x43, |
| (byte)0xA3, (byte)0x1D, (byte)0x18, (byte)0x6C, |
| (byte)0xDE, (byte)0x33, (byte)0x21, (byte)0x2C, |
| (byte)0xB5, (byte)0x2A, (byte)0xFF, (byte)0x3C, |
| (byte)0xE1, (byte)0xB1, (byte)0x29, (byte)0x40, |
| (byte)0x18, (byte)0x11, (byte)0x8D, (byte)0x7C, |
| (byte)0x84, (byte)0xA7, (byte)0x0A, (byte)0x72, |
| (byte)0xD6, (byte)0x86, (byte)0xC4, (byte)0x03, |
| (byte)0x19, (byte)0xC8, (byte)0x07, (byte)0x29, |
| (byte)0x7A, (byte)0xCA, (byte)0x95, (byte)0x0C, |
| (byte)0xD9, (byte)0x96, (byte)0x9F, (byte)0xAB, |
| (byte)0xD0, (byte)0x0A, (byte)0x50, (byte)0x9B, |
| (byte)0x02, (byte)0x46, (byte)0xD3, (byte)0x08, |
| (byte)0x3D, (byte)0x66, (byte)0xA4, (byte)0x5D, |
| (byte)0x41, (byte)0x9F, (byte)0x9C, (byte)0x7C, |
| (byte)0xBD, (byte)0x89, (byte)0x4B, (byte)0x22, |
| (byte)0x19, (byte)0x26, (byte)0xBA, (byte)0xAB, |
| (byte)0xA2, (byte)0x5E, (byte)0xC3, (byte)0x55, |
| (byte)0xE9, (byte)0x2F, (byte)0x78, (byte)0xC7 |
| }; |
| |
| // The SKIP 1024 bit modulus |
| private static final BigInteger skip1024Modulus |
| = new BigInteger(1, skip1024ModulusBytes); |
| |
| // The base used with the SKIP 1024 bit modulus |
| private static final BigInteger skip1024Base = BigInteger.valueOf(2); |
| } |