C# 实现软件授权码的功能
对于一个商业软件来说，授权码这个功能必不可少。我这里采用CPU序列号加硬盘标识来判断是否授权。完整代码如下：
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Management;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace KeyManager
{
public partial class FrmShouQuan : Form
{
public FrmShouQuan()
{
InitializeComponent();
}
/// <summary>
/// 获取CPU的参数
/// </summary>
/// <returns></returns>
public string getCpu()
{
string strCpu = null;
ManagementClass myCpu = new ManagementClass("win32_Processor");
ManagementObjectCollection myCpuConnection = myCpu.GetInstances();
foreach (ManagementObject myObject in myCpuConnection)
{
strCpu = myObject.Properties["Processorid"].Value.ToString();
break;
}
return strCpu;
}
/// <summary>
/// 获取硬盘的参数
/// </summary>
/// <returns></returns>
public string GetDiskVolumeSerialNumber()
{
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=\"c:\"");
disk.Get();
return disk.GetPropertyValue("VolumeSerialNumber").ToString();
}
/// <summary>
/// 生成机器码，就是CPU参数加上硬盘参数
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
txtMachineInfo.Text = getCpu() + GetDiskVolumeSerialNumber();//获得24位Cpu和硬盘序列号
}
public int[] intCode = new int[127];//用于存密钥
public void setIntCode()
{
for (int i = 1; i < intCode.Length; i++)
{
intCode[i] = i % 10;
}
}
public int[] intNumber = new int[25];//用于存机器码的Ascii值
public char[] Charcode = new char[25];//存储机器码字
//生成注册码
private void button2_Click(object sender, EventArgs e)
{
if (txtMachineInfo.Text != "")
{
txtRegistText.Text = GetResistText(txtMachineInfo.Text);
}
else
{ MessageBox.Show("请选生成机器码", "注册提示"); }
}
/// <summary>
/// 根据机器码获取注册码
/// </summary>
/// <param name="machineText"></param>
/// <returns></returns>
private string GetResistText(string machineText)
{
//把机器码存入数组中
setIntCode();//初始化127位数组
for (int i = 1; i < Charcode.Length; i++)//把机器码存入数组中
{
Charcode[i] = Convert.ToChar(machineText.Substring(i - 1, 1));
}
for (int j = 1; j < intNumber.Length; j++)//把字符的ASCII值存入一个整数组中。
{
intNumber[j] = intCode[Convert.ToInt32(Charcode[j])] + Convert.ToInt32(Charcode[j]);
}
string strAsciiName = null;//用于存储机器码
for (int j = 1; j < intNumber.Length; j++)
{
if (intNumber[j] >= 48 && intNumber[j] <= 57)//判断字符ASCII值是否0－9之间
{
strAsciiName += Convert.ToChar(intNumber[j]).ToString();
}
else if (intNumber[j] >= 65 && intNumber[j] <= 90)//判断字符ASCII值是否A－Z之间
{
strAsciiName += Convert.ToChar(intNumber[j]).ToString();
}
else if (intNumber[j] >= 97 && intNumber[j] <= 122)//判断字符ASCII值是否a－z之间
{
strAsciiName += Convert.ToChar(intNumber[j]).ToString();
}
else//判断字符ASCII值不在以上范围内
{
if (intNumber[j] > 122)//判断字符ASCII值是否大于z
{ strAsciiName += Convert.ToChar(intNumber[j] - 10).ToString(); }
else
{
strAsciiName += Convert.ToChar(intNumber[j] - 9).ToString();
}
}
}
return strAsciiName;
}
private void btnRegist_Click(object sender, EventArgs e)
{
if (txtRegistText.Text != "")
{
if (textBox1.Text.TrimEnd().Equals(txtRegistText.Text.TrimEnd()))
{
//这里需要将机器码和注册码保存到数据库或注册表中，以便以后校验（推荐保存到数据库中，这样不怕重装系统）
MessageBox.Show("注册成功");
}
else
{
MessageBox.Show("注册码输入错误");
}
}
else { MessageBox.Show("请生成注册码", "注册提示"); }
}
/// <summary>
/// 验证是否已经激活软件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button4_Click(object sender, EventArgs e)
{
//这里重新生成机器码和注册码，与数据库中进行对比。只要有一个参数不一致，就是未激活（此处省略两万行代码）
}
}
}
设计文件的代码：
namespace KeyManager
{
partial class FrmShouQuan
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.textBox1 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.txtRegistText = new System.Windows.Forms.TextBox();
this.txtMachineInfo = new System.Windows.Forms.TextBox();
this.button4 = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.textBox2 = new System.Windows.Forms.TextBox();
this.label4 = new System.Windows.Forms.Label();
this.textBox3 = new System.Windows.Forms.TextBox();
this.label5 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(238, 126);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(278, 25);
this.textBox1.TabIndex = 1;
//
// button1
//
this.button1.Location = new System.Drawing.Point(72, 272);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(114, 32);
this.button1.TabIndex = 2;
this.button1.Text = "获取硬件信息";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(228, 272);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(98, 32);
this.button2.TabIndex = 2;
this.button2.Text = "生成注册码";
this.button2.UseVisualStyleBackColor = true;
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(368, 272);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(75, 32);
this.button3.TabIndex = 2;
this.button3.Text = "注册";
this.button3.UseVisualStyleBackColor = true;
this.button3.Click += new System.EventHandler(this.btnRegist_Click);
//
// txtRegistText
//
this.txtRegistText.Location = new System.Drawing.Point(238, 89);
this.txtRegistText.Name = "txtRegistText";
this.txtRegistText.Size = new System.Drawing.Size(278, 25);
this.txtRegistText.TabIndex = 1;
//
// txtMachineInfo
//
this.txtMachineInfo.Location = new System.Drawing.Point(238, 52);
this.txtMachineInfo.Name = "txtMachineInfo";
this.txtMachineInfo.Size = new System.Drawing.Size(278, 25);
this.txtMachineInfo.TabIndex = 1;
//
// button4
//
this.button4.Location = new System.Drawing.Point(485, 272);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(118, 32);
this.button4.TabIndex = 2;
this.button4.Text = "检查是否注册";
this.button4.UseVisualStyleBackColor = true;
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(159, 52);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(67, 15);
this.label1.TabIndex = 3;
this.label1.Text = "机器码：";
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(159, 90);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(67, 15);
this.label2.TabIndex = 3;
this.label2.Text = "授权码：";
//
// label3
//
this.label3.AutoSize = true;
this.label3.Location = new System.Drawing.Point(114, 128);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(112, 15);
this.label3.TabIndex = 3;
this.label3.Text = "请输入授权码：";
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(238, 163);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(278, 25);
this.textBox2.TabIndex = 1;
this.textBox2.Visible = false;
//
// label4
//
this.label4.AutoSize = true;
this.label4.Location = new System.Drawing.Point(99, 166);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(127, 15);
this.label4.TabIndex = 3;
this.label4.Text = "请输入起始日期：";
this.label4.Visible = false;
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(238, 200);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(278, 25);
this.textBox3.TabIndex = 1;
this.textBox3.Visible = false;
//
// label5
//
this.label5.AutoSize = true;
this.label5.Location = new System.Drawing.Point(99, 203);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(127, 15);
this.label5.TabIndex = 3;
this.label5.Text = "请输入有效天数：";
this.label5.Visible = false;
//
// FrmShouQuan
//
this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 15F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(688, 339);
this.Controls.Add(this.label5);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.button4);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.txtMachineInfo);
this.Controls.Add(this.txtRegistText);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Name = "FrmShouQuan";
this.Text = "FrmShouQuan";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.TextBox txtRegistText;
private System.Windows.Forms.TextBox txtMachineInfo;
private System.Windows.Forms.Button button4;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.Label label5;
}
}运行效果：
C# 实现软件授权码的功能
对于一个商业软件来说，授权码这个功能必不可少。我这里采用CPU序列号加硬盘标识来判断是否授权。完整代码如下：
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Management;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace KeyManager
{
public partial class FrmShouQuan : Form
{
public FrmShouQuan()
{
InitializeComponent();
}
/// <summary>
/// 获取CPU的参数
/// </summary>
/// <returns></returns>
public string getCpu()
{
string strCpu = null;
ManagementClass myCpu = new ManagementClass("win32_Processor");
ManagementObjectCollection myCpuConnection = myCpu.GetInstances();
foreach (ManagementObject myObject in myCpuConnection)
{
strCpu = myObject.Properties["Processorid"].Value.ToString();
break;
}
return strCpu;
}
/// <summary>
/// 获取硬盘的参数
/// </summary>
/// <returns></returns>
public string GetDiskVolumeSerialNumber()
{
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=\"c:\"");
disk.Get();
return disk.GetPropertyValue("VolumeSerialNumber").ToString();
}
/// <summary>
/// 生成机器码，就是CPU参数加上硬盘参数
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
txtMachineInfo.Text = getCpu() + GetDiskVolumeSerialNumber();//获得24位Cpu和硬盘序列号
}
public int[] intCode = new int[127];//用于存密钥
public void setIntCode()
{
for (int i = 1; i < intCode.Length; i++)
{
intCode[i] = i % 10;
}
}
public int[] intNumber = new int[25];//用于存机器码的Ascii值
public char[] Charcode = new char[25];//存储机器码字
//生成注册码
private void button2_Click(object sender, EventArgs e)
{
if (txtMachineInfo.Text != "")
{
txtRegistText.Text = GetResistText(txtMachineInfo.Text);
}
else
{ MessageBox.Show("请选生成机器码", "注册提示"); }
}
/// <summary>
/// 根据机器码获取注册码
/// </summary>
/// <param name="machineText"></param>
/// <returns></returns>
private string GetResistText(string machineText)
{
//把机器码存入数组中
setIntCode();//初始化127位数组
for (int i = 1; i < Charcode.Length; i++)//把机器码存入数组中
{
Charcode[i] = Convert.ToChar(machineText.Substring(i - 1, 1));
}
for (int j = 1; j < intNumber.Length; j++)//把字符的ASCII值存入一个整数组中。
{
intNumber[j] = intCode[Convert.ToInt32(Charcode[j])] + Convert.ToInt32(Charcode[j]);
}
string strAsciiName = null;//用于存储机器码
for (int j = 1; j < intNumber.Length; j++)
{
if (intNumber[j] >= 48 && intNumber[j] <= 57)//判断字符ASCII值是否0－9之间
{
strAsciiName += Convert.ToChar(intNumber[j]).ToString();
}
else if (intNumber[j] >= 65 && intNumber[j] <= 90)//判断字符ASCII值是否A－Z之间
{
strAsciiName += Convert.ToChar(intNumber[j]).ToString();
}
else if (intNumber[j] >= 97 && intNumber[j] <= 122)//判断字符ASCII值是否a－z之间
{
strAsciiName += Convert.ToChar(intNumber[j]).ToString();
}
else//判断字符ASCII值不在以上范围内
{
if (intNumber[j] > 122)//判断字符ASCII值是否大于z
{ strAsciiName += Convert.ToChar(intNumber[j] - 10).ToString(); }
else
{
strAsciiName += Convert.ToChar(intNumber[j] - 9).ToString();
}
}
}
return strAsciiName;
}
private void btnRegist_Click(object sender, EventArgs e)
{
if (txtRegistText.Text != "")
{
if (textBox1.Text.TrimEnd().Equals(txtRegistText.Text.TrimEnd()))
{
//这里需要将机器码和注册码保存到数据库或注册表中，以便以后校验（推荐保存到数据库中，这样不怕重装系统）
MessageBox.Show("注册成功");
}
else
{
MessageBox.Show("注册码输入错误");
}
}
else { MessageBox.Show("请生成注册码", "注册提示"); }
}
/// <summary>
/// 验证是否已经激活软件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button4_Click(object sender, EventArgs e)
{
//这里重新生成机器码和注册码，与数据库中进行对比。只要有一个参数不一致，就是未激活（此处省略两万行代码）
}
}
}
设计文件的代码：
namespace KeyManager
{
partial class FrmShouQuan
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.textBox1 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.txtRegistText = new System.Windows.Forms.TextBox();
this.txtMachineInfo = new System.Windows.Forms.TextBox();
this.button4 = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.textBox2 = new System.Windows.Forms.TextBox();
this.label4 = new System.Windows.Forms.Label();
this.textBox3 = new System.Windows.Forms.TextBox();
this.label5 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(238, 126);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(278, 25);
this.textBox1.TabIndex = 1;
//
// button1
//
this.button1.Location = new System.Drawing.Point(72, 272);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(114, 32);
this.button1.TabIndex = 2;
this.button1.Text = "获取硬件信息";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(228, 272);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(98, 32);
this.button2.TabIndex = 2;
this.button2.Text = "生成注册码";
this.button2.UseVisualStyleBackColor = true;
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(368, 272);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(75, 32);
this.button3.TabIndex = 2;
this.button3.Text = "注册";
this.button3.UseVisualStyleBackColor = true;
this.button3.Click += new System.EventHandler(this.btnRegist_Click);
//
// txtRegistText
//
this.txtRegistText.Location = new System.Drawing.Point(238, 89);
this.txtRegistText.Name = "txtRegistText";
this.txtRegistText.Size = new System.Drawing.Size(278, 25);
this.txtRegistText.TabIndex = 1;
//
// txtMachineInfo
//
this.txtMachineInfo.Location = new System.Drawing.Point(238, 52);
this.txtMachineInfo.Name = "txtMachineInfo";
this.txtMachineInfo.Size = new System.Drawing.Size(278, 25);
this.txtMachineInfo.TabIndex = 1;
//
// button4
//
this.button4.Location = new System.Drawing.Point(485, 272);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(118, 32);
this.button4.TabIndex = 2;
this.button4.Text = "检查是否注册";
this.button4.UseVisualStyleBackColor = true;
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(159, 52);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(67, 15);
this.label1.TabIndex = 3;
this.label1.Text = "机器码：";
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(159, 90);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(67, 15);
this.label2.TabIndex = 3;
this.label2.Text = "授权码：";
//
// label3
//
this.label3.AutoSize = true;
this.label3.Location = new System.Drawing.Point(114, 128);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(112, 15);
this.label3.TabIndex = 3;
this.label3.Text = "请输入授权码：";
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(238, 163);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(278, 25);
this.textBox2.TabIndex = 1;
this.textBox2.Visible = false;
//
// label4
//
this.label4.AutoSize = true;
this.label4.Location = new System.Drawing.Point(99, 166);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(127, 15);
this.label4.TabIndex = 3;
this.label4.Text = "请输入起始日期：";
this.label4.Visible = false;
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(238, 200);
this.textBox3.Name = "textBox3";
this.textBox3.Size = new System.Drawing.Size(278, 25);
this.textBox3.TabIndex = 1;
this.textBox3.Visible = false;
//
// label5
//
this.label5.AutoSize = true;
this.label5.Location = new System.Drawing.Point(99, 203);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(127, 15);
this.label5.TabIndex = 3;
this.label5.Text = "请输入有效天数：";
this.label5.Visible = false;
//
// FrmShouQuan
//
this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 15F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(688, 339);
this.Controls.Add(this.label5);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.button4);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.txtMachineInfo);
this.Controls.Add(this.txtRegistText);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Name = "FrmShouQuan";
this.Text = "FrmShouQuan";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.TextBox txtRegistText;
private System.Windows.Forms.TextBox txtMachineInfo;
private System.Windows.Forms.Button button4;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.Label label5;
}
}运行效果：