using Newtonsoft.Json;

using System;

using System.Collections.Generic;

using System.Security.Cryptography;

using System.Text;

​

namespace Cryptography

{

    class Program

    {

        static void Main(string[] args)

        {

            var e1 = GetEntity1();

            var bytes1 = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(e1));

​

            var e2 = GetEntity1();

            var bytes2 = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(e2));

​

            var e3 = GetEntity1();

            var bytes3 = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(e3));

​

            using (var md5 = MD5.Create())

            {

                var h1 = BitConverter.ToString(md5.ComputeHash(bytes1)).Replace("-", string.Empty);

                var h2 = BitConverter.ToString(md5.ComputeHash(bytes2)).Replace("-", string.Empty);

                var h3 = BitConverter.ToString(md5.ComputeHash(bytes3)).Replace("-", string.Empty);

​

                Console.WriteLine($"h1: {h1} -- h2: {h2} -- h3 {h3}");

                //Output: h1: 1C3512CFA20E5EAA6C6532D8E5EDCA30 -- h2: 1C3512CFA20E5EAA6C6532D8E5EDCA30 -- h3 1C3512CFA20E5EAA6C6532D8E5EDCA30

            }

​

            Console.ReadLine();

        }       

        private static Entity GetEntity1()

        {

            return new Entity

            {

                Name = "Entity1",

                Holders = new List<Holder>

                {

                    new Holder{Name = "Holder1", Shares=5,Date=new DateTime(2020,12,31)},

                    new Holder{Name = "Holder2", Shares=10,Date=new DateTime(2020,12,31)},

                    new Holder{Name = "Holder3", Shares=10,Date=new DateTime(2020,12,31)}

                }

            };

        }

        private static Entity GetEntity2()

        {

            return new Entity

            {

                Name = "Entity1",

                Holders = new List<Holder>

                {

                    new Holder{Name = "Holder3", Shares=10,Date=new DateTime(2020,12,31)},

                    new Holder{Name = "Holder2", Shares=10,Date=new DateTime(2020,12,31)},                    

                    new Holder{Name = "Holder1", Shares=5,Date=new DateTime(2020,12,31)}

                }

            };

        }

​

        private static Entity GetEntity3()

        {

            return new Entity

            {

                Name = "Entity1",

                Holders = new List<Holder>

                {

                    new Holder{Name = "Holder2", Shares=10,Date=new DateTime(2020,12,31)},

                    new Holder{Name = "Holder3", Shares=10,Date=new DateTime(2020,12,31)},                    

                    new Holder{Name = "Holder1", Shares=5,Date=new DateTime(2020,12,31)}

                }

            };

        }

    }

​

    public class Entity

    {

        public string Name { get; set; }

        public List<Holder> Holders { get; set; }

    }

​

    public class Holder

    {

        public string Name { get; set; }

        public int Shares { get; set; }

        public DateTime Date { get; set; }

    }

}

​