学习笔记：万能密码生成器，解决溢出问题

Demo http://download.csdn.net/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    }}