Js的Aes加密如何转换为C#代码

Question

Js的Aes加密如何转换为C#代码？

我这里用了下面代码，可是结果却不一样：

public static string AESEncryptedString(this string encrypteStr,
            string key) {
            byte[] aesBytes = Encoding.UTF8.GetBytes(encrypteStr);
            byte[] aesKey = Encoding.UTF8.GetBytes(key);
          
            using MemoryStream memoryStream = new();
            Rijndael Aes = Rijndael.Create();
           
            Aes.Mode = CipherMode.ECB;
            Aes.Padding = PaddingMode.PKCS7;
            Aes.KeySize = 128;
            Aes.Key = aesKey;
            using CryptoStream cryptoStream = new(memoryStream,
                Aes.CreateEncryptor(), CryptoStreamMode.Write);
            cryptoStream.Write(aesBytes, 0, aesBytes.Length);
            cryptoStream.FlushFinalBlock();
            Aes.Clear();
            //return Convert.ToBase64String(memoryStream.ToArray());
            return Convert.ToHexString(memoryStream.ToArray());
           
        }
请高手帮帮！！！

Answer 1

使用.NET框架中的System.Security.Cryptography命名空间中的AesManaged类来实现，下面这个是我以前写过的可以参考：

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

class AesExample
{
    static void Main()
    {
        string plainText = "Hello, world!";
        byte[] key = new byte[32];
        byte[] iv = new byte[16];

        // Generate a random key and IV
        using (AesManaged aes = new AesManaged())
        {
            aes.GenerateKey();
            aes.GenerateIV();
            key = aes.Key;
            iv = aes.IV;
        }

        // Encrypt the string using the key and IV
        byte[] encrypted = EncryptStringToBytes_Aes(plainText, key, iv);

        // Decrypt the encrypted string using the key and IV
        string decrypted = DecryptStringFromBytes_Aes(encrypted, key, iv);

        // Display the original data and the decrypted data
        Console.WriteLine("Original:   {0}", plainText);
        Console.WriteLine("Encrypted:  {0}", Convert.ToBase64String(encrypted));
        Console.WriteLine("Decrypted:  {0}", decrypted);
    }

    static byte[] EncryptStringToBytes_Aes(string plainText, byte[] key, byte[] iv)
    {
        // Check arguments.
        if (plainText == null || plainText.Length <= 0)
            throw new ArgumentNullException("plainText");
        if (key == null || key.Length <= 0)
            throw new ArgumentNullException("Key");
        if (iv == null || iv.Length <= 0)
            throw new ArgumentNullException("IV");
        byte[] encrypted;

        // Create an AesManaged object
        // with the specified key and IV.
        using (AesManaged aes = new AesManaged())
        {
            aes.Key = key;
            aes.IV = iv;

            // Create an encryptor to perform the stream transform.
            ICryptoTransform encryptor = aes.CreateEncryptor(aes.Key, aes.IV);

            // Create the streams used for encryption.
            using (MemoryStream msEncrypt = new MemoryStream())
            {
                using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
                {
                    using (StreamWriter swEncrypt = new StreamWriter(csEncrypt))
                    {
                        //Write all data to the stream.
                        swEncrypt.Write(plainText);
                    }
                    encrypted = msEncrypt.ToArray();
                }
            }
        }

        // Return the encrypted bytes from the memory stream.
        return encrypted;
    }

    static string DecryptStringFromBytes_Aes(byte[] cipherText, byte[] key, byte[] iv)
    {
        // Check arguments.
        if (cipherText == null || cipherText.Length <= 0)
            throw new ArgumentNullException("cipherText");
        if (key == null || key.Length <= 0)
            throw new ArgumentNullException("Key");
        if (iv == null || iv.Length <= 0)
            throw new ArgumentNullException("IV");

        // Declare the string used to hold
        // the decrypted text.
        string plaintext = null;

        // Create an AesManaged object
        // with the specified key and IV.
        using (AesManaged aes = new AesManaged())
        {
            aes.Key = key;
            aes.IV = iv;

            // Create a decryptor to perform the stream transform.
            ICryptoTransform decryptor = aes.CreateDecryptor(aes.Key, aes.IV);

            // Create the streams used for decryption.
            using (MemoryStream msDecrypt = new MemoryStream(cipherText))
            {
                using (CryptoStream csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))
                {
                    using (StreamReader srDecrypt = new StreamReader(csDecrypt))
                    {

                        // Read the decrypted bytes from the decrypting stream
                        // and place them in a string.
                        plaintext = srDecrypt.ReadToEnd();
                    }
                }
            }

        }

        return plaintext;
    }
}