Java AES/GCM/NoPadding算法到C#的转换

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

public class AESGCMNoPaddingExample
{
    static void Main()
    {
        string plainText = "Hello, World!";
        byte[] key = Encoding.UTF8.GetBytes("0123456789ABCDEF");
        byte[] iv = Encoding.UTF8.GetBytes("0123456789ABCDEF");

        byte[] encrypted = Encrypt(plainText, key, iv);
        Console.WriteLine("Encrypted Text: " + Convert.ToBase64String(encrypted));

        string decrypted = Decrypt(encrypted, key, iv);
        Console.WriteLine("Decrypted Text: " + decrypted);

        Console.ReadLine();
    }

    static byte[] Encrypt(string plainText, byte[] key, byte[] iv)
    {
        using (Aes aes = Aes.Create())
        {
            aes.Mode = CipherMode.GCM;
            aes.Padding = PaddingMode.None;
            aes.Key = key;
            aes.IV = iv;

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

            byte[] encryptedData;
            using (var ms = new System.IO.MemoryStream())
            using (var cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write))
            {
                byte[] plainBytes = Encoding.UTF8.GetBytes(plainText);
                cs.Write(plainBytes, 0, plainBytes.Length);
                cs.FlushFinalBlock();
                encryptedData = ms.ToArray();
            }

            return encryptedData;
        }
    }

    static string Decrypt(byte[] encryptedData, byte[] key, byte[] iv)
    {
        using (Aes aes = Aes.Create())
        {
            aes.Mode = CipherMode.GCM;
            aes.Padding = PaddingMode.None;
            aes.Key = key;
            aes.IV = iv;

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

            string decryptedText;
            using (var ms = new System.IO.MemoryStream(encryptedData))
            using (var cs = new CryptoStream(ms, decryptor, CryptoStreamMode.Read))
            {
                using (var sr = new System.IO.StreamReader(cs))
                {
                    decryptedText = sr.ReadToEnd();
                }
            }

            return decryptedText;
        }
    }
}