/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.security.plugins;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.PBEParameterSpec;
import org.jboss.security.Base64Utils;
/** Ecrypt a password using the JaasSecurityDomain password
Usage: PBEUtils salt count domain-password password
salt : the Salt attribute from the JaasSecurityDomain
count : the IterationCount attribute from the JaasSecurityDomain
domain-password : the plaintext password that maps to the KeyStorePass
attribute from the JaasSecurityDomain
password : the plaintext password that should be encrypted with the
JaasSecurityDomain password
@author Scott.Stark@jboss.org
@version $Revison:$
*/
public class PBEUtils
{
public static byte[] encode(byte[] secret, String cipherAlgorithm,
SecretKey cipherKey, PBEParameterSpec cipherSpec)
throws Exception
{
Cipher cipher = Cipher.getInstance(cipherAlgorithm);
cipher.init(Cipher.ENCRYPT_MODE, cipherKey, cipherSpec);
byte[] encoding = cipher.doFinal(secret);
return encoding;
}
public static String encode64(byte[] secret, String cipherAlgorithm,
SecretKey cipherKey, PBEParameterSpec cipherSpec)
throws Exception
{
byte[] encoding = encode(secret, cipherAlgorithm, cipherKey, cipherSpec);
String b64 = Base64Utils.tob64(encoding);
return b64;
}
public static byte[] decode(byte[] secret, String cipherAlgorithm,
SecretKey cipherKey, PBEParameterSpec cipherSpec)
throws Exception
{
Cipher cipher = Cipher.getInstance(cipherAlgorithm);
cipher.init(Cipher.DECRYPT_MODE, cipherKey, cipherSpec);
byte[] decode = cipher.doFinal(secret);
return decode;
}
public static String decode64(String secret, String cipherAlgorithm,
SecretKey cipherKey, PBEParameterSpec cipherSpec)
throws Exception
{
byte[] encoding = Base64Utils.fromb64(secret);
byte[] decode = decode(encoding, cipherAlgorithm, cipherKey, cipherSpec);
return new String(decode, "UTF-8");
}
public static void main(String[] args) throws Exception
{
if( args.length != 4 )
{
System.err.println(
"Ecrypt a password using the JaasSecurityDomain password"
+"Usage: PBEUtils salt count domain-password password"
+"salt : the Salt attribute from the JaasSecurityDomain"
+"count : the IterationCount attribute from the JaasSecurityDomain"
+"domain-password : the plaintext password that maps to the KeyStorePass"
+" attribute from the JaasSecurityDomain"
+"password : the plaintext password that should be encrypted with the"
+" JaasSecurityDomain password"
);
}
byte[] salt = args[0].substring(0, 8).getBytes();
int count = Integer.parseInt(args[1]);
char[] password = args[2].toCharArray();
byte[] passwordToEncode = args[3].getBytes("UTF-8");
PBEParameterSpec cipherSpec = new PBEParameterSpec(salt, count);
PBEKeySpec keySpec = new PBEKeySpec(password);
SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithMD5andDES");
SecretKey cipherKey = factory.generateSecret(keySpec);
String encodedPassword = encode64(passwordToEncode, "PBEwithMD5andDES",
cipherKey, cipherSpec);
System.err.println("Encoded password: "+encodedPassword);
}
}