using System;

using System.Linq;

using System.Security.Cryptography;

using System.Text;

​

namespace ConsoleApp2

{

    public class Program

    {

        public static void Main(string[] args)

        {

            var user = new

            {

                HolderId = (long?)null,

                UserId = 310102975941,

                Tag = "subscription",

                Family = (string)null

            };

​

            string ruleIn = "command.users.tags.remove..inhibit";

            string ruleOut = "command.users.tags.remove..inhibited";

            var key = "HolderId,UserId,Tag,Family";

​

​

​

            var sb = new StringBuilder();

            sb.Append(ruleIn);

            sb.Append(":");

            sb.Append(key);

            sb.Append(":");

​

            sb.Append(String.Join(",", key.Split(',').Select(field => user.GetType().GetProperties().First(x => x.Name == field).GetValue(user))));

            sb.Append(".");

            sb.Append(ruleOut);

​

            var result = new Sha256HashProvider().Hash(sb.ToString());

            Console.WriteLine(sb);

            Console.WriteLine(result);

        }

    }

​

    /// <inheritdoc/>

    public class Sha256HashProvider

    {

        /// <inheritdoc/>

        public string Hash(string value)

        {

            string hash;

​

            using (var algorithm = new SHA256Cng())

            {

                var hashBytes = algorithm.ComputeHash(Encoding.Unicode.GetBytes(value));

​

                hash = BitConverter.ToString(hashBytes).Replace("-", string.Empty);

            }

​

            return hash;

        }

    }

}

​