PasswordEncryptionService.java

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.PBEParameterSpec;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.GeneralSecurityException;

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

public class PasswordEncryptionService
{
    private char[] PASSWORD = "enfldsgso3j0gdlksdsg7m".toCharArray();

    private byte[] SALT = {
                           (byte) 0xde, (byte) 0x33, (byte) 0x10, (byte) 0x12,
                           (byte) 0xde, (byte) 0x33, (byte) 0x10, (byte) 0x12,
                          };

    public PasswordEncryptionService()
    {
        
    }

    public String encrypt(String property) throws GeneralSecurityException, UnsupportedEncodingException 
    {
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
        SecretKey key = keyFactory.generateSecret(new PBEKeySpec(PASSWORD));
        Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
        pbeCipher.init(Cipher.ENCRYPT_MODE, key, new PBEParameterSpec(SALT, 20));
        return base64Encode(pbeCipher.doFinal(property.getBytes("UTF-8")));
    }

    private String base64Encode(byte[] bytes) 
    {
        return new BASE64Encoder().encode(bytes);
    }

    public String decrypt(String property) throws GeneralSecurityException, IOException 
    {
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
        SecretKey key = keyFactory.generateSecret(new PBEKeySpec(PASSWORD));
        Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
        pbeCipher.init(Cipher.DECRYPT_MODE, key, new PBEParameterSpec(SALT, 20));
        return new String(pbeCipher.doFinal(base64Decode(property)), "UTF-8");
    }

    private byte[] base64Decode(String property) throws IOException 
    {
        return new BASE64Decoder().decodeBuffer(property);
    }
}