package com.ruoyi.common.utils;


import  com.antherd.smcrypto.sm4.Sm4;

import javax.script.ScriptException;
import java.nio.charset.StandardCharsets;

public class Sm4Utils {
    public Sm4Utils(){}
    private final static String IV = "fedcba98765432100123456789abcdef0123456789abcdeffedcba9876543210";
    private final static String KEY = "0123456789abcdeffedcba9876543210";


    public static String encryptSm4(String data){
        try {
            return Sm4.encrypt(data,KEY);
        } catch (ScriptException e) {
            e.printStackTrace();
        }
        return data;
    }
    public static String decryptSm4(String encryptData){
        try {
            return Sm4.decrypt(encryptData, KEY); // 解密，默认使用 pkcs#5 填充，输出 utf8 字符串
        } catch (ScriptException e) {
            e.printStackTrace();
        }
        return encryptData;
    }

    public static void main(String[] args) {
        String ch = "13c71106a5aad6efddd2476f44565f37";
        String s = decryptSm4(ch);
        System.out.println(s);
    }

}