form1.cs

一个字符串加密的算法。算法采用16进制转换得到。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        public static byte[] StringToByte(string InString)
        {
            string[] ByteStrings;
            ByteStrings = InString.Split(" ".ToCharArray());
            byte[] ByteOut;
            ByteOut = new byte[ByteStrings.Length];
            for (int i = 0; i < ByteStrings.Length; i++)
            {
                //byte x = Convert.ToByte(("0x" + ByteStrings[i]));

                //ByteOut[i] = Convert.ToByte(("0x" + ByteStrings[i]), 16);
                ByteOut[i] = Convert.ToByte(ByteStrings[i], 16);
            }
            return ByteOut;
        }



        private string strTextTostrBin(string strText)
        {
            byte[] bytearr = null;

            string stringtobin = "";
            System.Text.Encoding encoding = System.Text.Encoding.UTF8;
            bytearr = encoding.GetBytes(strText);

            for (int i = 0; i < bytearr.Length; i++)
            {
                stringtobin += "," + bytearr[i].ToString();
            }
            return stringtobin.Substring(1);

        }

        private string strBinTostrText(string strBin)
        {
            string[] bintostr = strBin.Split(',');
            Array binArray = Array.CreateInstance(Type.GetType("System.Byte"), bintostr.Length);
            for (int i = binArray.GetLowerBound(0); i <= binArray.GetUpperBound(0); i++)
            {
                binArray.SetValue(byte.Parse(bintostr[i] + ""), i);
            }

            byte[] strtobin = new byte[bintostr.Length];
            for (int i = binArray.GetLowerBound(0); i <= binArray.GetUpperBound(0); i++)
            {
                strtobin[i] = (byte)binArray.GetValue(i);
            }
            System.Text.Encoding encoding = System.Text.Encoding.UTF8;
            return encoding.GetString(strtobin);
        }

        //byte[] buf;
        private void button1_Click(object sender, EventArgs e)
        {
           // buf = StringToByte("01 FF");


            textBox1.Text = strTextTostrBin(textBox3.Text);

            textBox2.Text = strBinTostrText(textBox1.Text);
        }


    }
}