public class CryptTool    {        // Hash an input string and return the hash as        // a 32 character hexadecimal string.        public static string getMd5Hash(string input)        {            // Create a new instance of the MD5CryptoServiceProvider object.            MD5 md5Hasher = MD5.Create();            // Convert the input string to a byte array and compute the hash.            byte[] data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(input));            // Create a new Stringbuilder to collect the bytes            // and create a string.            StringBuilder sBuilder = new StringBuilder();            // Loop through each byte of the hashed data             // and format each one as a hexadecimal string.            for (int i = 0; i < data.Length; i++)            {                sBuilder.Append(data[i].ToString("x2"));            }            // Return the hexadecimal string.            return sBuilder.ToString();        }        // Verify a hash against a string.        public static bool verifyMd5Hash(string input, string hash)        {            // Hash the input.            string hashOfInput = getMd5Hash(input);            // Create a StringComparer an comare the hashes.            StringComparer comparer = StringComparer.OrdinalIgnoreCase;            if (0 == comparer.Compare(hashOfInput, hash))            {                return true;            }            else            {                return false;            }        }}