const clearEncoding = 'utf8';
const cipherEncoding = 'base64';
const ENCRYPT_MODE = 'aes-128-cbc'
const AES_IV = 'YOHO9646yoho9646';
const AES_KEY = 'yoho9646YOHO9646';
//
// const ivBytes = stringToBytes(AES_IV);
// const keyBytes = stringToBytes(AES_SECRET_KET);
//
// const iv = new Buffer(keyBytes);
// const key = new Buffer(keyBytes);

const CryptoJS = require('../vendors/crypto-js/cipher-core');

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

//解密方法
function encrypt(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 decrypt(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();
}
    
export {
    encrypt,
    decrypt
};