122 lines
4.8 KiB
Java
122 lines
4.8 KiB
Java
/*
|
|
* Copyright (c) 1997, 2015, 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 DHGenSharedSecret
|
|
* @author Jan Luehe
|
|
*/
|
|
import java.security.*;
|
|
import java.security.spec.*;
|
|
import java.security.interfaces.*;
|
|
import javax.crypto.*;
|
|
import javax.crypto.spec.*;
|
|
import java.math.BigInteger;
|
|
|
|
public class DHGenSharedSecret {
|
|
|
|
static byte[] DHPrime = {
|
|
(byte)0x00, (byte)0x8D, (byte)0x8A, (byte)0x6C, (byte)0x7F, (byte)0xCC,
|
|
(byte)0xA5, (byte)0xBF, (byte)0x9C, (byte)0xE1, (byte)0xFA, (byte)0x3C,
|
|
(byte)0xCA, (byte)0x98, (byte)0xB7, (byte)0x99, (byte)0xD1, (byte)0xE5,
|
|
(byte)0x2C, (byte)0xC0, (byte)0x26, (byte)0x97, (byte)0x12, (byte)0x80,
|
|
(byte)0x12, (byte)0xEF, (byte)0x0B, (byte)0xDE, (byte)0x71, (byte)0x76,
|
|
(byte)0xAA, (byte)0x2D, (byte)0x86, (byte)0x41, (byte)0x0E, (byte)0x6A,
|
|
(byte)0xC2, (byte)0x12, (byte)0xAA, (byte)0xAA, (byte)0xE4, (byte)0x84,
|
|
(byte)0x80, (byte)0x13, (byte)0x95, (byte)0x06, (byte)0xC4, (byte)0x83,
|
|
(byte)0xB9, (byte)0xD3, (byte)0x72, (byte)0xC5, (byte)0xC8, (byte)0x85,
|
|
(byte)0x96, (byte)0x59, (byte)0x08, (byte)0xFA, (byte)0x9E, (byte)0x3C,
|
|
(byte)0xDC, (byte)0x92, (byte)0x28, (byte)0xC3, (byte)0x1D, (byte)0x6F,
|
|
(byte)0x44, (byte)0x36, (byte)0x70, (byte)0x40, (byte)0x80, (byte)0xF1,
|
|
(byte)0x35
|
|
};
|
|
|
|
static byte[] DHBase = {
|
|
(byte)0x72, (byte)0x21, (byte)0xB3, (byte)0xA8, (byte)0x83, (byte)0xDD,
|
|
(byte)0x76, (byte)0xF5, (byte)0x0D, (byte)0x9B, (byte)0x81, (byte)0x11,
|
|
(byte)0x15, (byte)0x03, (byte)0x6D, (byte)0x4D, (byte)0x46, (byte)0x65,
|
|
(byte)0x30, (byte)0xB0, (byte)0xFA, (byte)0xFE, (byte)0xBE, (byte)0xA8,
|
|
(byte)0xD9, (byte)0x83, (byte)0x33, (byte)0x54, (byte)0xC7, (byte)0xF6,
|
|
(byte)0x81, (byte)0xAC, (byte)0xCC, (byte)0xA3, (byte)0xAE, (byte)0xAA,
|
|
(byte)0xC8, (byte)0x11, (byte)0x38, (byte)0xD4, (byte)0x4F, (byte)0xC4,
|
|
(byte)0x89, (byte)0xD3, (byte)0x72, (byte)0xEE, (byte)0x22, (byte)0x5A,
|
|
(byte)0x68, (byte)0xF7, (byte)0xAC, (byte)0x24, (byte)0x01, (byte)0x9B,
|
|
(byte)0xE9, (byte)0x08, (byte)0xFE, (byte)0x58, (byte)0x0A, (byte)0xCF,
|
|
(byte)0xB9, (byte)0x52, (byte)0xB4, (byte)0x02, (byte)0x73, (byte)0xA4,
|
|
(byte)0xA6, (byte)0xB9, (byte)0x0C, (byte)0x8D, (byte)0xA7, (byte)0xFB,
|
|
};
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
DHGenSharedSecret test = new DHGenSharedSecret();
|
|
test.run();
|
|
}
|
|
|
|
public void run() throws Exception {
|
|
long start, end;
|
|
|
|
BigInteger p = new BigInteger(1, DHPrime);
|
|
BigInteger g = new BigInteger(1, DHBase);
|
|
int l = 512;
|
|
|
|
DHParameterSpec spec =
|
|
new DHParameterSpec(p, g, l);
|
|
|
|
// generate keyPairs using parameters
|
|
KeyPairGenerator keyGen =
|
|
KeyPairGenerator.getInstance("DH", "SunJCE");
|
|
keyGen.initialize(spec);
|
|
|
|
// Alice generates her key pairs
|
|
KeyPair keyA = keyGen.generateKeyPair();
|
|
|
|
// Bob generates his key pairs
|
|
KeyPair keyB = keyGen.generateKeyPair();
|
|
|
|
// Alice encodes her public key in x509 format
|
|
// , and sends it over to Bob.
|
|
byte[] alicePubKeyEnc = keyA.getPublic().getEncoded();
|
|
|
|
// bob encodes his publicKey in x509 format and
|
|
// sends it over to Alice
|
|
byte[] bobPubKeyEnc = keyB.getPublic().getEncoded();
|
|
|
|
// bob uses it to generate Secret
|
|
X509EncodedKeySpec x509Spec =
|
|
new X509EncodedKeySpec(alicePubKeyEnc);
|
|
KeyFactory bobKeyFac = KeyFactory.getInstance("DH", "SunJCE");
|
|
PublicKey alicePubKey = bobKeyFac.generatePublic(x509Spec);
|
|
|
|
|
|
KeyAgreement bobAlice = KeyAgreement.getInstance("DH", "SunJCE");
|
|
start = System.currentTimeMillis();
|
|
bobAlice.init(keyB.getPrivate());
|
|
bobAlice.doPhase(alicePubKey, true);
|
|
byte[] bobSecret = bobAlice.generateSecret();
|
|
end = System.currentTimeMillis();
|
|
|
|
System.out.println("Time elapsed: " + (end - start));
|
|
System.out.println("Test Passed!");
|
|
}
|
|
}
|