using System;

using System.Text;

using CSChaCha20;

public class Program

{

    public static void Main()

    {

        byte[] mySimpleTextAsBytes = Encoding.ASCII.GetBytes("Plain text I want to encrypt");

​

        // Do not use these key and nonce values in your own code!

        byte[] key = new byte[32] { 142, 26, 14, 68, 43, 188, 234, 12, 73, 246, 252, 111, 8, 227, 57, 22, 168, 140, 41, 18, 91, 76, 181, 239, 95, 182, 248, 44, 165, 98, 34, 12 };

        byte[] nonce = new byte[12] { 139, 164, 65, 213, 125, 108, 159, 118, 252, 180, 33, 88 };

        uint counter = 1;

        // Print 1

        Console.WriteLine($"Text as ASCII bytes \t{BitConverter.ToString(mySimpleTextAsBytes)}");

​

        // Encrypt

        ChaCha20 forEncrypting = new ChaCha20(key, nonce, counter);

        byte[] encryptedContent = new byte[mySimpleTextAsBytes.Length];

        forEncrypting.EncryptBytes(encryptedContent, mySimpleTextAsBytes);

        // Print 2

        Console.WriteLine($"Encrypted bytes \t\t{BitConverter.ToString(encryptedContent)}");

​

        // Decrypt

        ChaCha20 forDecrypting = new ChaCha20(key, nonce, counter);

        byte[] decryptedContent = new byte[encryptedContent.Length];

        forDecrypting.DecryptBytes(decryptedContent, encryptedContent);

        // Print 2

        Console.WriteLine($"Decrypted bytes \t\t{BitConverter.ToString(decryptedContent)}");

    }

}