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/*
* Copyright (c) 2012, 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 6383200
* @summary PBE: need new algorithm support in password based encryption
*/
import java.security.*;
import java.util.Arrays;
import javax.crypto.*;
import javax.crypto.spec.*;
public class PBES2Test {
private static final String[] algos = {
"PBEWithHmacSHA1AndAES_128",
"PBEWithHmacSHA224AndAES_128",
"PBEWithHmacSHA256AndAES_128",
"PBEWithHmacSHA384AndAES_128",
"PBEWithHmacSHA512AndAES_128"
};
private static final byte[] ivBytes = {
0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,
0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,0x20,
};
public static final void main(String[] args) throws Exception {
for (String algo : algos) {
test(algo, true); // salt, ic, IV supplied by the application
test(algo, false); // salt, ic, IV generated by the implementation
}
}
private static final void test(String algo, boolean suppliedParams)
throws Exception {
System.out.println("***********************************************");
System.out.println(algo +
(suppliedParams ? " [algorithm parameters are supplied]\n"
: " [algorithm parameters are generated]\n"));
int iterationCount = 1000;
byte[] salt = new byte[]{ 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08 };
// Create PBE key
PBEKeySpec pbeKeySpec = new PBEKeySpec("mypassword".toCharArray());
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(algo);
SecretKey pbeKey = keyFactory.generateSecret(pbeKeySpec);
byte[] pbeKeyBytes = pbeKey.getEncoded();
System.out.println(" key[" + pbeKeyBytes.length + "]: " +
String.format("0x%0" + (pbeKeyBytes.length * 2) + "x",
new java.math.BigInteger(1, pbeKeyBytes)));
// Create PBE cipher
System.out.println("Encrypting...");
Cipher pbeCipher = Cipher.getInstance(algo);
if (suppliedParams) {
pbeCipher.init(Cipher.ENCRYPT_MODE, pbeKey,
new PBEParameterSpec(salt, iterationCount,
new IvParameterSpec(ivBytes)));
} else {
pbeCipher.init(Cipher.ENCRYPT_MODE, pbeKey);
}
// Encrypt
byte[] cleartext = "This is just an example".getBytes();
System.out.println(" text[" + cleartext.length + "]: " +
String.format("0x%0" + (cleartext.length * 2) + "x",
new java.math.BigInteger(1, cleartext)));
byte[] ciphertext = pbeCipher.doFinal(cleartext);
System.out.println("c'text[" + ciphertext.length + "]: " +
String.format("0x%0" + (ciphertext.length * 2) + "x",
new java.math.BigInteger(1, ciphertext)));
AlgorithmParameters aps = pbeCipher.getParameters();
byte[] iv;
if (suppliedParams) {
iv = ivBytes;
} else {
PBEParameterSpec pbeSpec =
aps.getParameterSpec(PBEParameterSpec.class);
salt = pbeSpec.getSalt();
iterationCount = pbeSpec.getIterationCount();
IvParameterSpec ivSpec =
(IvParameterSpec) pbeSpec.getParameterSpec();
iv = ivSpec.getIV();
}
System.out.println(" salt[" + salt.length + "]: " +
String.format("0x%0" + (salt.length * 2) + "x",
new java.math.BigInteger(1, salt)));
System.out.println("iterationCount=" + iterationCount);
System.out.println(" iv[" + iv.length + "]: " +
String.format("0x%0" + (iv.length * 2) + "x",
new java.math.BigInteger(1, iv)));
// Decrypt
System.out.println("Decrypting...");
Cipher pbeCipher2 = Cipher.getInstance(algo);
pbeCipher2.init(Cipher.DECRYPT_MODE, pbeKey, aps);
byte[] cleartext2 = pbeCipher2.doFinal(ciphertext);
System.out.println(" text[" + cleartext2.length + "]: " +
String.format("0x%0" + (cleartext2.length * 2) + "x",
new java.math.BigInteger(1, cleartext2)));
if (Arrays.equals(cleartext, cleartext2)) {
System.out.println(
"\nPass: decrypted ciphertext matches the original text\n");
} else {
throw new Exception(
"Fail: decrypted ciphertext does NOT match the original text");
}
}
}
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