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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Threading;
using System.Runtime.InteropServices;
using System.Collections;
using System.Diagnostics;
namespace RC4文件加解密
{
public partial class Form1 : Form
{
delegate void AsynUpdateUI(int step);
public int openAexitMark = 0;
public Form1()
{
InitializeComponent();
}
private void GroupBox1_Enter(object sender, EventArgs e)
{
}
private void Button1_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.InitialDirectory = "D:\\";
openFileDialog.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
openFileDialog.FilterIndex = 2;
openFileDialog.RestoreDirectory = true;
if(openFileDialog.ShowDialog() == DialogResult.OK)
{
this.textBox1.Text = openFileDialog.FileName;
this.textBox3.AppendText("[+] " + DateTime.Now.ToLocalTime().ToString() + " 选择了文件" + openFileDialog.FileName + "\r\n");
}
}
private void Button2_Click(object sender, EventArgs e)
{
int checkresult;
checkresult = check();
if (checkresult == 1)
{
int flag;
int mark = 0;
flag = init();
if(flag == 1 || flag == 3)
{
mark = 1;
}
eadThread ead = new eadThread(this.textBox2.Text, this.textBox1.Text,mark);
ead.UpdateUIDelegate += UpdataUIStatus;
Thread thread1 = new Thread(new ThreadStart(ead.execEaD));
thread1.Start();
}
else if(checkresult == 0)
{
MessageBox.Show("请选择待加密文件以及密钥！", "提示");
}
else if(checkresult == 2)
{
MessageBox.Show("请选择待加密文件！", "提示");
}
else
{
MessageBox.Show("请输入密钥！", "提示");
}
}
public int init()
{
int flag = 0;
this.progressBar1.Value = 0;
this.label4.Text = this.progressBar1.Value.ToString() + "%";
if(this.checkBox1.Checked == true && this.checkBox2.Checked == true)
{
flag = 3;
this.openAexitMark = 1;
}
else if(this.checkBox1.Checked == true && this.checkBox2.Checked == false)
{
flag = 1;
}
else if(this.checkBox1.Checked == false && this.checkBox2.Checked == true)
{
flag = 2;
this.openAexitMark = 1;
}
else
{
flag = 0;
}
return flag;
}
public int check()
{
int flag = 0;
if(this.textBox1.Text != "" && this.textBox2.Text != "")
{
flag = 1;
}
else if(this.textBox1.Text == "" && this.textBox2.Text != "")
{
flag = 2;
}
else if(this.textBox1.Text != "" && this.textBox2.Text == "")
{
flag = 3;
}
else
{
flag = 0;
}
return flag;
}
private void UpdataUIStatus(int step)
{
if (InvokeRequired)
{
this.Invoke(new AsynUpdateUI(delegate (int s)
{
this.progressBar1.Value = step;
this.label4.Text = this.progressBar1.Value.ToString() + "%";
if (step == 10)
{
this.textBox3.AppendText("[+] " + DateTime.Now.ToLocalTime().ToString() + " 进入子线程，开始执行加解密操作\r\n");
}
else if(step == 20)
{
this.textBox3.AppendText("[+] " + DateTime.Now.ToLocalTime().ToString() + " 密钥初始化完成\r\n");
}
else if(step == 40)
{
this.textBox3.AppendText("[+] " + DateTime.Now.ToLocalTime().ToString() + " 开始调用DLL导出函数\r\n");
}
else if(step == 90)
{
this.textBox3.AppendText("[+] " + DateTime.Now.ToLocalTime().ToString() + " 文件加解密操作完成\r\n");
}
else if(step == 100)
{
this.textBox3.AppendText("[+] " + DateTime.Now.ToLocalTime().ToString() + " 打开文件夹操作(退出程序操作)完成\r\n");
MessageBox.Show("文件加解密成功！", "提示");
if (this.openAexitMark == 1)
{
Process.GetCurrentProcess().Kill();
}
}
}), step);
}
else
{
this.progressBar1.Value = step;
this.label4.Text = this.progressBar1.Value.ToString() + "%";
}
}
private void Button3_Click(object sender, EventArgs e)
{
int checkresult;
checkresult = check();
if (checkresult == 1)
{
int flag;
int mark = 0;
flag = init();
if (flag == 1 || flag == 3)
{
mark = 1;
}
eadThread ead = new eadThread(this.textBox2.Text, this.textBox1.Text, mark);
ead.UpdateUIDelegate += UpdataUIStatus;
Thread thread1 = new Thread(new ThreadStart(ead.execEaD));
thread1.Start();
}
else if (checkresult == 0)
{
MessageBox.Show("请选择待加密文件以及密钥！", "提示");
}
else if (checkresult == 2)
{
MessageBox.Show("请选择待加密文件！", "提示");
}
else
{
MessageBox.Show("请输入密钥！", "提示");
}
}
}
class eadThread
{
public delegate void UpdateUI(int step);
public UpdateUI UpdateUIDelegate;
private string filename;
private ArrayList arr = new ArrayList();
private int flag;
[DllImport("RC4.dll", EntryPoint = "rc4", ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
public static extern int rc4(int[] key, string filename, int keylen);
public eadThread(string KEY, string file, int mark)
{
char[] temp = KEY.ToCharArray();
for (int i = 0; i < temp.Length; i++)
{
arr.Add((int)temp);
}
this.filename = file;
this.flag = mark;
}
public void execEaD()
{
UpdateUIDelegate(10);
int[] key = new int[arr.Count];
for (int i = 0; i < arr.Count; i++)
{
key = (int)arr;
}
UpdateUIDelegate(20);
int len = key.Length;
UpdateUIDelegate(40);
int result = rc4(key, this.filename, len);
UpdateUIDelegate(90);
if (this.flag == 1)
{
openFile(this.filename);
}
UpdateUIDelegate(100);
}
public void openFile(string filename)
{
Process p = new Process();
p.StartInfo.FileName = "explorer.exe";
p.StartInfo.Arguments = " /e,/select," + filename;
p.Start();
}
}
}
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1 CB吾爱币
发表于 2020-8-1 20:12
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发表于 2020-8-1 20:19
