Hash Source Code

Hash Example, source code file Program.cs

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

// Hash Example
// Show how to use the HMACSHA1 object to compute 
// cryptographic hashs of two messages.

namespace hash
{
    public class Program
    {
        public static void Main()
        {
            // Define inputs.
            string keyString = "MySecretKey";
            string messageString1 = "the quick brown fox jumped over the lazy dog";
            string messageString2 = "the kuick brown fox jumped over the lazy dog";
            byte[] key = Encoding.ASCII.GetBytes(keyString.ToCharArray());
            byte[] message1 = Encoding.ASCII.GetBytes(messageString1.ToCharArray());
            byte[] message2 = Encoding.ASCII.GetBytes(messageString2.ToCharArray());

// Create hash object.
            HMACSHA1 hmac = new HMACSHA1(key);

// Compute and display hashes.
            byte[] hash;
            hash = hmac.ComputeHash(message1);
            Console.WriteLine(Convert.ToBase64String(hash));
            hash = hmac.ComputeHash(message2);
            Console.WriteLine(Convert.ToBase64String(hash));

Console.ReadLine();
        }
    }
}