const CryptoJS = require("crypto-js");

const AES = require("crypto-js/aes");

const utf8 = require("crypto-js/enc-utf8");

const md5 = require("crypto-js/md5");

const iv = utf8.parse("qwertyuiop123456");

const mode = CryptoJS.mode.CBC;

const padding = require("crypto-js/pad-pkcs7");

const default_key = "yuikey0123456789";

export default {

encrypt(data, key) {

if (typeof data !== "string") data = JSON.stringify(data);

let real_key = utf8.parse(md5(key || default_key).toString().slice(0, 16));

let bytes = AES.encrypt(data, real_key, {

iv: iv,

mode: mode,

padding: padding

});

return bytes.toString();

},

decrypt(data, key) {

if (!data || typeof data !== "string") return '';

let real_key = utf8.parse(md5(key || default_key).toString().slice(0, 16));

let bytes = AES.decrypt(data, real_key, {

iv: iv,

mode: mode,

padding: padding

});

return bytes.toString(utf8);

}

};