js des加解密

// 引入 crypto-js 库
const CryptoJS = require('crypto-js');

// 密钥和初始向量（IV），需要保持一致
const key = CryptoJS.enc.Utf8.parse('1234567890abcdef'); 
const iv = CryptoJS.enc.Utf8.parse('abcdef1234567890');

// 加密
function desEncrypt(message) {
    const encrypted = CryptoJS.DES.encrypt(message, key, {
        iv: iv,
        mode: CryptoJS.mode.CBC,
        padding: CryptoJS.pad.Pkcs7
    });
    return encrypted.toString();
}

// 解密
function desDecrypt(ciphertext) {
    const decrypted = CryptoJS.DES.decrypt(ciphertext, key, {
        iv: iv,
        mode: CryptoJS.mode.CBC,
        padding: CryptoJS.pad.Pkcs7
    });
    return decrypted.toString(CryptoJS.enc.Utf8);
}

const message = 'Hello, World!';
const encrypted = desEncrypt(message);
console.log('Encrypted:', encrypted);

const decrypted = desDecrypt(encrypted);
console.log('Decrypted:', decrypted);