我可以在.NET的CTR模式下使用AES吗？

public static void AesCtrTransform(
    byte[] key, byte[] salt, Stream inputStream, Stream outputStream)
{
    SymmetricAlgorithm aes =
        new AesManaged { Mode = CipherMode.ECB, Padding = PaddingMode.None };

    int blockSize = aes.BlockSize / 8;

    if (salt.Length != blockSize)
    {
        throw new ArgumentException(
            string.Format(
                \"Salt size must be same as block size (actual: {0}, expected: {1})\",
                salt.Length, blockSize));
    }

    byte[] counter = (byte[])salt.Clone();

    Queue<byte> xorMask = new Queue<byte>();

    var zeroIv = new byte[blockSize];
    ICryptoTransform counterEncryptor = aes.CreateEncryptor(key, zeroIv);

    int b;
    while ((b = inputStream.ReadByte()) != -1)
    {
        if (xorMask.Count == 0)
        {
            var counterModeBlock = new byte[blockSize];

            counterEncryptor.TransformBlock(
                counter, 0, counter.Length, counterModeBlock, 0);

            for (var i2 = counter.Length - 1; i2 >= 0; i2--)
            {
                if (++counter[i2] != 0)
                {
                    break;
                }
            }

            foreach (var b2 in counterModeBlock)
            {
                xorMask.Enqueue(b2);
            }
        }

        var mask = xorMask.Dequeue();
        outputStream.WriteByte((byte)(((byte)b) ^ mask));
    }
}

const string text = \"Hello world\";
var key = new byte[32];
var initializationVector = new byte[16];

using (var random = new RNGCryptoServiceProvider())
{
    random.GetNonZeroBytes(key);
}

string output;
string outputEncrypted;

using (var outputEncryptedStream = new MemoryStream())
{
    using (var inputStream = new MemoryStream(Encoding.UTF8.GetBytes(text)))
    {
        AesCtrTransform(key, initializationVector, inputStream, outputEncryptedStream);
    }

    outputEncryptedStream.Position = 0;
    using (var reader = new StreamReader(outputEncryptedStream, Encoding.UTF8, true, 1024, true))
    {
        outputEncrypted = reader.ReadToEnd();
    }
    outputEncryptedStream.Position = 0;

    using (var outputDecryptedStream = new MemoryStream())
    {
        AesCtrTransform(key, initializationVector, outputEncryptedStream, outputDecryptedStream);

        outputDecryptedStream.Position = 0;
        using (var reader = new StreamReader(outputDecryptedStream))
        {
            output = reader.ReadToEnd();
        }
    }
}

Assert.IsTrue(!string.IsNullOrEmpty(outputEncrypted));
Assert.AreEqual(text, output);