RIJNDAEL256函数从.Net到Python的转换

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

public class RijndaelExample
{
    public static byte[] Encrypt(string plaintext, byte[] key, byte[] iv)
    {
        using (AesManaged aes = new AesManaged())
        {
            aes.Key = key;
            aes.IV = iv;

            ICryptoTransform encryptor = aes.CreateEncryptor(aes.Key, aes.IV);

            byte[] encrypted;

            using (MemoryStream ms = new MemoryStream())
            {
                using (CryptoStream cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write))
                {
                    using (StreamWriter sw = new StreamWriter(cs))
                    {
                        sw.Write(plaintext);
                    }
                    encrypted = ms.ToArray();
                }
            }

            return encrypted;
        }
    }

    public static string Decrypt(byte[] ciphertext, byte[] key, byte[] iv)
    {
        using (AesManaged aes = new AesManaged())
        {
            aes.Key = key;
            aes.IV = iv;

            ICryptoTransform decryptor = aes.CreateDecryptor(aes.Key, aes.IV);

            string plaintext;

            using (MemoryStream ms = new MemoryStream(ciphertext))
            {
                using (CryptoStream cs = new CryptoStream(ms, decryptor, CryptoStreamMode.Read))
                {
                    using (StreamReader sr = new StreamReader(cs))
                    {
                        plaintext = sr.ReadToEnd();
                    }
                }
            }

            return plaintext;
        }
    }
}

from Crypto.Cipher import AES
from Crypto.Util.Padding import pad, unpad

def encrypt(plaintext, key, iv):
    cipher = AES.new(key, AES.MODE_CBC, iv)
    ciphertext = cipher.encrypt(pad(plaintext.encode('utf-8'), AES.block_size))
    return ciphertext

def decrypt(ciphertext, key, iv):
    cipher = AES.new(key, AES.MODE_CBC, iv)
    plaintext = unpad(cipher.decrypt(ciphertext), AES.block_size).decode('utf-8')
    return plaintext