// aes对称加密

const CryptoJS = require('crypto-js');  //引用AES源码js

const key = CryptoJS.enc.Utf8.parse("1234123412ABCDEF");  //十六位十六进制数作为密钥

const iv = CryptoJS.enc.Utf8.parse('ABCDEF1234123412');   //十六位十六进制数作为密钥偏移量

//解密方法

function Decrypt(word) {

    let encryptedHexStr = CryptoJS.enc.Hex.parse(word);

    let srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr);

    let decrypt = CryptoJS.AES.decrypt(srcs, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });

    let decryptedStr = decrypt.toString(CryptoJS.enc.Utf8);

    return decryptedStr.toString();

}

//加密方法

function Encrypt(word) {

    let srcs = CryptoJS.enc.Utf8.parse(word);

    let encrypted = CryptoJS.AES.encrypt(srcs, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });

    return encrypted.ciphertext.toString().toUpperCase();

}