using System;

using System.Collections.Generic;

using System.Text;

using System.Security.Cryptography;

using System.IO;

public class Program

{

    public static void Main()

    {

        var md5 = Generator.MD5("string Json del Input para la busqueda");

        Console.WriteLine(md5);

    }

    public static class Generator

    {

         public static string MD5(string word) 

        {

            MD5 md5 = MD5CryptoServiceProvider.Create();

            ASCIIEncoding encoding = new ASCIIEncoding();

            byte[] stream = null;

            StringBuilder sb = new StringBuilder();

            stream = md5.ComputeHash(encoding.GetBytes(word));

            for (int i = 0; i < stream.Length; i++) sb.AppendFormat("{0:x2}", stream[i]);

            return sb.ToString();

        }

    }

}