/*
 * @Author: liucun-0626 1511974295@qq.com
 * @Date: 2023-10-07 15:15:53
 * @LastEditors: liucun-0626 1511974295@qq.com
 * @LastEditTime: 2023-10-08 13:58:56
 * @FilePath: \qingdaoBank\src\utils\aes.js
 * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 */
import CryptoJS from "crypto-js"

export default {
  //随机生成指定数量的16进制key
  generatekey(num) {
    let library =
      "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
    let key = "";
    for (var i = 0; i < num; i++) {
      let randomPoz = Math.floor(Math.random() * library.length);
      key += library.substring(randomPoz, randomPoz + 1);
    }
    return key;
  },

  //加密
  encrypt(word, keyStr) {
    // const CryptoJS = require('crypto-js')
    var key = CryptoJS.enc.Utf8.parse(keyStr);
    var srcs = CryptoJS.enc.Utf8.parse(word);
    var encrypted = CryptoJS.AES.encrypt(srcs, key, {
      mode: CryptoJS.mode.ECB,
      padding: CryptoJS.pad.Pkcs7,
    });
    return encrypted.toString();
  },
  //解密
  decrypt(word, keyStr) {
    // const CryptoJS = require('crypto-js')
    var key = CryptoJS.enc.Utf8.parse(keyStr); //转为128bit
    var srcs = CryptoJS.enc.Hex.parse(word); //转为16进制
    var str = CryptoJS.enc.Base64.stringify(srcs); //变为Base64编码的字符串
    var decrypt = CryptoJS.AES.decrypt(str, key, {
      mode: CryptoJS.mode.ECB,
      spadding: CryptoJS.pad.Pkcs7,
    });
    return decrypt.toString(CryptoJS.enc.Utf8);
  },
};