SHA-1

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Security.Cryptography;

namespace SHA_1
{
    class Program
    {
        static void Main(string[] args)
        {
            string inputstring = "Hello World!";
            using (SHA1 SHA1Hash = SHA1.Create())
            {
                string hash = GetHashString(inputstring);
                Console.WriteLine("Wynik haszowania SHA1 tekstu " + inputstring + " jest: " + hash);
                Console.ReadKey();
            }
        }
        public static byte[] GetHash(string inputstring)
        {
            HashAlgorithm algorithm = SHA1.Create();
            return algorithm.ComputeHash(Encoding.UTF8.GetBytes(inputstring));
        }
        public static string GetHashString(string inputstring)
        {
            StringBuilder sb = new StringBuilder();
            foreach (byte b in GetHash(inputstring))
                sb.Append(b.ToString("x2"));
            return sb.ToString();
        }
    }
}