using System;
using System.Text;

namespace UtilLib
{
    public class HexUtil
    {
        public static string ByteArrayToHex(byte[] byteArray)
        {
            StringBuilder stringBuilder = new StringBuilder();
            try
            {
                for (int i = 0; i < byteArray.Length; i++)
                {
                    stringBuilder.Append($"{byteArray[i]:X2} ");
                }
                return stringBuilder.ToString().Trim();
            }
            catch (Exception ex)
            {
                return "";
            }
        }

        public static byte[] HexToByteArray(string hexString)
        {
            hexString = hexString.Replace(" ", "");
            byte[] array = new byte[hexString.Length / 2];
            for (int i = 0; i < array.Length; i++)
            {
                array[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);
            }
            return array;
        }
    }
}