C# - MD5 Verschlüsselung

public string CreateMD5Hash (string input)
{
   MD5 md5 = System.Security.Cryptography.MD5.Create();
   byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes (input);
   byte[] hashBytes  = md5.ComputeHash (inputBytes);
 
   
   StringBuilder sb = new StringBuilder();
   for (int i = 0; i < hashBytes.Length; i++)
   {
       sb.Append (hashBytes[i].ToString ("X2")); 
   }
   return sb.ToString();
}