org.beangle.security.codec.DESEncrypt Maven / Gradle / Ivy
/*
* Beangle, Agile Java/Scala Development Scaffold and Toolkit
*
* Copyright (c) 2005-2013, Beangle Software.
*
* Beangle 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 3 of the License, or
* (at your option) any later version.
*
* Beangle 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 Beangle. If not, see .
*/
package org.beangle.security.codec;
import java.security.SecureRandom;
import javax.crypto.Cipher;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
public class DESEncrypt {
public DESEncrypt(byte desKey[]) {
this.desKey = desKey;
}
public byte[] doEncrypt(byte plainText[]) throws Exception {
SecureRandom sr = new SecureRandom();
byte rawKeyData[] = desKey;
DESKeySpec dks = new DESKeySpec(rawKeyData);
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
javax.crypto.SecretKey key = keyFactory.generateSecret(dks);
Cipher cipher = Cipher.getInstance("DES");
cipher.init(1, key, sr);
byte data[] = plainText;
byte encryptedData[] = cipher.doFinal(data);
return encryptedData;
}
private byte desKey[];
}