.NET和Javascript中的简单字符串加密

using System;
using System.IO;
using System.Security.Cryptography;
using System.Text;

public class AESHelper
{
    private static readonly byte[] Key = Encoding.UTF8.GetBytes("0123456789ABCDEF");
    private static readonly byte[] IV = Encoding.UTF8.GetBytes("ABCDEF987654321");

    public static string Encrypt(string plainText)
    {
        using (var aes = Aes.Create())
        using (var encryptor = aes.CreateEncryptor(Key, IV))
        using (var ms = new MemoryStream())
        using (var cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write))
        using (var sw = new StreamWriter(cs))
        {
            sw.Write(plainText);
            sw.Flush();
            cs.FlushFinalBlock();
            return Convert.ToBase64String(ms.ToArray());
        }
    }

    public static string Decrypt(string cipherText)
    {
        var cipher = Convert.FromBase64String(cipherText);
        using (var aes = Aes.Create())
        using (var decryptor = aes.CreateDecryptor(Key, IV))
        using (var ms = new MemoryStream(cipher))
        using (var cs = new CryptoStream(ms, decryptor, CryptoStreamMode.Read))
        using (var sr = new StreamReader(cs))
        {
            return sr.ReadToEnd();
        }
    }
}

var plainText = "Hello, world!";
var cipherText = AESHelper.Encrypt(plainText);
var decryptedText = AESHelper.Decrypt(cipherText);

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

const key = '0123456789ABCDEF';
const iv = 'ABCDEF987654321';

function encrypt(plainText) {
    const cipherText = CryptoJS.AES.encrypt(plainText, CryptoJS.enc.Utf8.parse(key), { iv: CryptoJS.enc.Utf8.parse(iv) }).toString();
    return cipherText;
}

function decrypt(cipherText) {
    const decryptedText = CryptoJS.AES.decrypt(cipherText, CryptoJS.enc.Utf8.parse(key), { iv: CryptoJS.enc.Utf8.parse(iv) }).toString(CryptoJS.enc.Utf8);
    return decryptedText;
}

const plainText = 'Hello, world!';
const cipherText = encrypt(plainText);
const decryptedText = decrypt(cipherText);