[bidaya]

كود :

    public string XOR_Encrypt(string Input, string pass)
        {
            System.Text.StringBuilder @out = new System.Text.StringBuilder();
            int u = 0;
            for (int i = 0; i <= Input.Length - 1; i++)
            {
                string tmp = Conversion.Hex(Strings.Asc(Input[i]) ^ Strings.Asc(pass[u]));
                if (tmp.Length == 1)
                {
                    tmp = "0" + tmp;
                }
                @out.Append(tmp);
                if (u == pass.Length - 1)
                {
                    u = 0;
                }
                else
                {
                    u++;
                }
            }
            return @out.ToString();
        }
        
        
        
        public string XOR_Decrypt(string Input, string pass)
        {
            System.Text.StringBuilder @out = new System.Text.StringBuilder();
            int u = 0;
            for (int i = 0; i <= Input.Length - 1; i += + 2)
            {
                string tmp = System.Convert.ToString(Strings.Chr(System.Convert.ToInt32(int.Parse(("&H" + Input.Substring(i, 2))) ^ Strings.Asc(pass[u]) )));
                @out.Append(tmp);
                if (u == pass.Length - 1)
                {
                    u = 0;
                }
                else
                {
                    u++;
                }
            }
            return @out.ToString();
        }