using System;

using System.Linq;

using System.Text;

using System.Security.Cryptography;

​

public class Program

{

    public static void Main()

    {

        string text = "abc";

​

        byte[] data = Encoding.UTF8.GetBytes(text);

        Console.WriteLine("data DEC: " + data.Aggregate("", (a, b) => a + " " + b));

        Console.WriteLine("data HEX: " + data.Aggregate("", (a, b) => a + " " + b.ToString("X2")) + "\n");

​

        byte[] hash = SHA512.Create().ComputeHash(data);

        Console.WriteLine("hash DEC: " + hash.Aggregate("", (a, b) => a + " " + b));

        Console.WriteLine("hash HEX: " + hash.Aggregate("", (a, b) => a + " " + b.ToString("X2")) + "\n");

​

        string outputOld = Convert.ToHexString(hash);

        string outputNew = Convert.ToBase64String(hash);

        Console.WriteLine("output OLD: " + outputOld);

        Console.WriteLine("output NEW: " + outputNew);

    }

}