Compare two files with hash values in CSharp

         //from w ww .  j a  va2s  .co  m

using System;
using System.IO;
using System.Security.Cryptography;

static class MainClass{
    static void Main(string[] args) {
        using (HashAlgorithm hashAlg = HashAlgorithm.Create()) {
            using (FileStream fsA = new FileStream("c:\\test.txt", FileMode.Open),
                fsB = new FileStream("c:\\test1.txt", FileMode.Open)){
                // Calculate the hash for the files.
                byte[] hashBytesA = hashAlg.ComputeHash(fsA);
                byte[] hashBytesB = hashAlg.ComputeHash(fsB);

                // Compare the hashes.
                if (BitConverter.ToString(hashBytesA) == BitConverter.ToString(hashBytesB))
                {
                    Console.WriteLine("Files match.");
                } else {
                    Console.WriteLine("No match.");
                }
            }
        }
    }
}