Hex_Base64, C# - rextester

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var bytes1 = FromHex("03240065653561336331352D376362372D343462322D393664382D653164363631346265323637002E00000000004BCA963D5C85924DB85709990C2E264D010081AC085044D04B429F5FB883D94FA1AF000001F7E3C40000");
            Console.WriteLine(bytes1.Length);
            //Your code goes here
            var bytes = Convert.FromBase64String("AAMkADQ2N2VmMDQ1LTY2MjItNGExMC1iZWMxLTQ1NWUwYWIzNTdmNwBGAAAAAAC0C7CUlo1cTbV+rumK7wlaBwBcw67lpRcaTYd82bltlyWRAAAAAAEJAABcw67lpRcaTYd82bltlyWRAAAAAHSvAAABEgAQAAvld9qQ0LFMkhfT3EAOToc=");
            Console.WriteLine(ToHex(bytes));
        }
        
        public static string ToHex(byte[] bytes)
        {
            string res = "";
            for(int i=0; i<bytes.Length; i++)
            {
                res+= Convert.ToString(bytes[i], 16);
            }
            
            return res;
        }
        
        public static byte[] FromHex(string hexString)
        {
            int length = hexString.Length;
            byte[] bytes = new byte[length / 2];
            for (int i = 0; i < length; i += 2)
            {
                bytes[i / 2] = Convert.ToByte(hexString.Substring(i, 2), 16);
            }
            
            return bytes;
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,14 sec, absolute running time: 0,08 sec, cpu time: 0,06 sec, average memory usage: 12 Mb, average nr of threads: 3