package com.example.jartest;

import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;

public class TDES {
    private static byte[] iv = {1,2,3,4,5,6,7,8};
    public static String encryptDES(String encryptString, String encryptKey) throws Exception {
//      IvParameterSpec zeroIv = new IvParameterSpec(new byte[8]);
//        IvParameterSpec zeroIv = new IvParameterSpec(iv);
        SecretKeySpec key = new SecretKeySpec(encryptKey.getBytes(), "DESede");
        Cipher cipher = Cipher.getInstance("DESede/ECB/NoPadding");
        cipher.init(Cipher.ENCRYPT_MODE, key);
        byte[] encryptedData = cipher.doFinal(encryptString.getBytes());

        return Base64.encode(encryptedData);
    }
    public static String decryptDES(String decryptString, String decryptKey) throws Exception {
        new Base64();
		byte[] byteMi = Base64.decode(decryptString);
//      IvParameterSpec zeroIv = new IvParameterSpec(iv);
//      IvParameterSpec zeroIv = new IvParameterSpec(new byte[8]);
        SecretKeySpec key = new SecretKeySpec(decryptKey.getBytes(), "DESed");
        Cipher cipher = Cipher.getInstance("DESede/ECB/NoPadding");
        cipher.init(Cipher.DECRYPT_MODE, key);
        byte decryptedData[] = cipher.doFinal(byteMi);

        return new String(decryptedData);
    }
}