using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace KDCS.Utils
{
    public class Crypt
    {


        static public string str2hex(string strData)
        {
            string resultHex = string.Empty;
            byte[] arr_byteStr = Encoding.Default.GetBytes(strData);

            foreach (byte byteStr in arr_byteStr)
                resultHex += string.Format("{0:X2}", byteStr);

            return resultHex;
        }

        static public string HexString2Ascii(string hexString)
        {
            byte[] tmp;
            int j = 0;
            int lenght;
            lenght = hexString.Length - 2;
            tmp = new byte[(hexString.Length) / 2];
            for (int i = 0; i <= lenght; i += 2)
            {
                tmp[j] = (byte)Convert.ToChar(Int32.Parse(hexString.Substring(i, 2), System.Globalization.NumberStyles.HexNumber));
                j++;
            }
            return Encoding.Default.GetString(tmp);
        }



    }
}