Hash Algoritma

using System;
using System.Text;

namespace Framework.Utilities.Security.Encryption
{
    public class StringEncryptionHelper
    {
        public static string encryptString(string text, byte xorConstant)
        {
            if (string.IsNullOrEmpty(text))
                return string.Empty;

            byte[] data = Encoding.UTF8.GetBytes(text);
            for (int i = 0; i < data.Length; i++)
            {
                data[i] = (byte)(data[i] ^ xorConstant);
            }

            return Convert.ToBase64String(data);
        }

        public static string decryptString(string text, byte xorConstant)
        {
            if (string.IsNullOrEmpty(text))
                return string.Empty;
            byte[] data;
            try
            {
                data = Convert.FromBase64String(text);
                for (int i = 0; i < data.Length; i++)
                {
                    data[i] = (byte)(data[i] ^ xorConstant);
                }
            }
            catch
            {
                return string.Empty;
            }

            return Encoding.UTF8.GetString(data);
        }
    }
}