学习笔记：万能密码生成器，解决溢出问题

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Demo http://download.csdn/detail/qq873113580/6373643

最近想弄个什么暴力破解的软件来玩玩，首先先把密码解决，各种长度，各种组合，全部都有

效果图

生成后 每个文件夹包含30W个密码

下面是源代码，后续会吧暴力破解软件源码贴上来，正在研究中，小白飘过，大神勿喷......

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.Threading;

namespace SetPassWord
{
    public partial class Form1 : Form
    {
        #region 全局变量
        FileStream fs;
        StreamWriter writer;
        Thread t;

        string path = "";
        int i = 0;
        int length = 0;
        string split = ""; 
        #endregion

        #region 构造函数
        public Form1()
        {
            InitializeComponent();
        } 
        #endregion

        #region 浏览按钮
        private void button1_Click(object sender, EventArgs e)
        {
            if (this.fbd.ShowDialog() == DialogResult.OK)
            {
                this.txtPath.Text = this.fbd.SelectedPath;
            }
        } 
        #endregion

        #region 生成按钮
        private void btnSetting_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(this.txtPath.Text.Trim()))
            {
                MessageBox.Show("请填写保存地址。");
                return;
            }
            if (string.IsNullOrEmpty(this.txtLength.Text.Trim()))
            {
                MessageBox.Show("请填写密码长度。");
                return;
            }
            if (Convert.ToInt32(this.txtLength.Text.Trim()) < 6 || Convert.ToInt32(this.txtLength.Text.Trim()) > 30)
            {
                MessageBox.Show("密码长度长度为6-30。");
                return;
            }
            if (string.IsNullOrEmpty(this.txtPassWord.Text.Trim()))
            {
                MessageBox.Show("请填写密文。");
                return;
            }


            this.btnSetting.Enabled = false;
            this.Text = "正在生成,时间比较长,请稍后...";
            this.btnSetting.Text = "生成...";
            this.txtLength.Enabled = false;
            this.txtPassWord.Enabled = false;
            this.txtPath.Enabled = false;
            this.txtSplit.Enabled = false;
            this.button1.Enabled = false;


            path = this.txtPath.Text.Trim() + "\\" + this.txtLength.Text.Trim() + "-{0}.txt";
            length = Convert.ToInt32(this.txtLength.Text);
            split = txtSplit.Text.Trim();
            t = new Thread(new ThreadStart(Settting));
            t.Start();



        } 
        #endregion

        #region 线程执行方法
        public void Settting()
        {
            bool b = true;
            try
            {
                fs = new FileStream(string.Format(path, i), FileMode.CreateNew);

                writer = new StreamWriter(fs, Encoding.UTF8);

                List<char> result = GetList(this.txtPassWord.Text);
                int index = 0;
                foreach (var item in Foo(result, length))
                {
                    writer.WriteLine(item + split);
                    index++;
                    if (index > (i + 1) * 300000)
                    {
                        i++;
                        writer.Close();

                        fs.Close();

                        fs = new FileStream(string.Format(path, i), FileMode.CreateNew);

                        writer = new StreamWriter(fs, Encoding.UTF8);
                    }
                }


                writer.Close();

                fs.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                b = false;
                return;
            }
            finally
            {
                try
                {
                    this.Invoke(new Action(() => this.btnSetting.Enabled = true));
                    this.Invoke(new Action(() => this.Text = "密码生成器"));
                    this.Invoke(new Action(() => this.btnSetting.Text = "生成"));
                    this.Invoke(new Action(() => this.txtLength.Enabled = true));
                    this.Invoke(new Action(() => this.txtPassWord.Enabled = true));
                    this.Invoke(new Action(() => this.txtPath.Enabled = true));
                    this.Invoke(new Action(() => this.txtSplit.Enabled = true));
                    this.Invoke(new Action(() => this.button1.Enabled = true));
                }
                catch (Exception)
                {
                    
                }
                if (b)
                {
                    MessageBox.Show("生成成功。");
                }
            }
        } 
        #endregion

        #region 公用方法
        public IEnumerable<string> Foo(List<char> metachars, int length)
        {
            if (length == 1)
                foreach (char x in metachars)
                    yield return x.ToString();
            else
                foreach (char y in metachars)
                    foreach (string x in Foo(metachars, length - 1))
                        yield return y + x;

        }

        public static List<char> GetList(string strs)
        {
            List<char> list = new List<char>();
            strs = strs.Trim().Replace(" ", "");
            foreach (char c in strs)
            {
                list.Add(c);
            }
            list.Add(' ');
            return list;
        } 
        #endregion

        #region 窗体关闭后
        private void Form1_Load(object sender, EventArgs e)
        {
            this.FormClosed += Form1_FormClosed;
        }

        void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            try
            {
                writer.Close();
                fs.Close();
                t.Abort();
            }
            catch (Exception)
            {

            }
        }
        #endregion

    }
}

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