DES Encrypt
/* 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[];
}
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