org.beangle.security.codec.DESEncrypt.java Source code

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Here is the source code for org.beangle.security.codec.DESEncrypt.java

Source

/* Copyright c 2005-2012.
 * Licensed under GNU  LESSER General Public License, Version 3.
 * http://www.gnu.org/licenses
 */
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[];
}