关于加密的C#例子
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using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
using ET99_MODLib;
using ET99_FULLLib;
namespace ET99Test
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Button OpenToken;
private System.Windows.Forms.Button WriteData;
private System.Windows.Forms.Button ReadData;
private System.Windows.Forms.Button CloseToken;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox PidEdit;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox UserPinEdit;
private ET99_MODLib.ET99MOD ET99 = new ET99MODClass();
//private ET99_FULLLib.ET99Full et99full=new ET99FullClass();
private Button SetMD5Key;
private Button ET99cal;
private Button softcal;
private TextBox kettext;
private TextBox randomtext;
private Label label3;
private Label label4;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;
public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent();
//
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
}
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.OpenToken = new System.Windows.Forms.Button();
this.WriteData = new System.Windows.Forms.Button();
this.ReadData = new System.Windows.Forms.Button();
this.CloseToken = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.PidEdit = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.UserPinEdit = new System.Windows.Forms.TextBox();
this.SetMD5Key = new System.Windows.Forms.Button();
this.ET99cal = new System.Windows.Forms.Button();
this.softcal = new System.Windows.Forms.Button();
this.kettext = new System.Windows.Forms.TextBox();
this.randomtext = new System.Windows.Forms.TextBox();
this.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// OpenToken
//
this.OpenToken.Enabled = false;
this.OpenToken.Location = new System.Drawing.Point(24, 112);
this.OpenToken.Name = "OpenToken";
this.OpenToken.Size = new System.Drawing.Size(75, 23);
this.OpenToken.TabIndex = 0;
this.OpenToken.Text = "OpenToken";
this.OpenToken.Click += new System.EventHandler(this.OpenToken_Click);
//
// WriteData
//
this.WriteData.Location = new System.Drawing.Point(136, 112);
this.WriteData.Name = "WriteData";
this.WriteData.Size = new System.Drawing.Size(75, 23);
this.WriteData.TabIndex = 1;
this.WriteData.Text = "Write";
this.WriteData.Click += new System.EventHandler(this.WriteData_Click);
//
// ReadData
//
this.ReadData.Location = new System.Drawing.Point(256, 112);
this.ReadData.Name = "ReadData";
this.ReadData.Size = new System.Drawing.Size(75, 23);
this.ReadData.TabIndex = 2;
this.ReadData.Text = "Read";
this.ReadData.Click += new System.EventHandler(this.ReadData_Click);
//
// CloseToken
//
this.CloseToken.Location = new System.Drawing.Point(368, 112);
this.CloseToken.Name = "CloseToken";
this.CloseToken.Size = new System.Drawing.Size(75, 23);
this.CloseToken.TabIndex = 3;
this.CloseToken.Text = "CloseToken";
this.CloseToken.Click += new System.EventHandler(this.CloseToken_Click);
//
// label1
//
this.label1.Location = new System.Drawing.Point(48, 24);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(64, 24);
this.label1.TabIndex = 4;
this.label1.Text = "TokenPid:";
//
// PidEdit
//
this.PidEdit.Location = new System.Drawing.Point(120, 16);
this.PidEdit.Name = "PidEdit";
this.PidEdit.Size = new System.Drawing.Size(176, 21);
this.PidEdit.TabIndex = 5;
this.PidEdit.TextChanged += new System.EventHandler(this.PidEdit_TextChanged);
//
// label2
//
this.label2.Location = new System.Drawing.Point(40, 64);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(64, 16);
this.label2.TabIndex = 6;
this.label2.Text = "User Pin:";
//
// UserPinEdit
//
this.UserPinEdit.Location = new System.Drawing.Point(120, 64);
this.UserPinEdit.Name = "UserPinEdit";
this.UserPinEdit.PasswordChar = '*';
this.UserPinEdit.Size = new System.Drawing.Size(176, 21);
this.UserPinEdit.TabIndex = 7;
this.UserPinEdit.TextChanged += new System.EventHandler(this.UserPinEdit_TextChanged);
//
// SetMD5Key
//
this.SetMD5Key.Location = new System.Drawing.Point(136, 153);
this.SetMD5Key.Name = "SetMD5Key";
this.SetMD5Key.Size = new System.Drawing.Size(75, 23);
this.SetMD5Key.TabIndex = 8;
this.SetMD5Key.Text = "SetMD5Key";
this.SetMD5Key.UseVisualStyleBackColor = true;
this.SetMD5Key.Click += new System.EventHandler(this.button1_Click);
//
// ET99cal
//
this.ET99cal.Location = new System.Drawing.Point(256, 153);
this.ET99cal.Name = "ET99cal";
this.ET99cal.Size = new System.Drawing.Size(75, 22);
this.ET99cal.TabIndex = 9;
this.ET99cal.Text = "硬件计算";
this.ET99cal.UseVisualStyleBackColor = true;
this.ET99cal.Click += new System.EventHandler(this.button2_Click);
//
// softcal
//
this.softcal.Location = new System.Drawing.Point(370, 154);
this.softcal.Name = "softcal";
this.softcal.Size = new System.Drawing.Size(72, 21);
this.softcal.TabIndex = 10;
this.softcal.Text = "软件计算";
this.softcal.UseVisualStyleBackColor = true;
this.softcal.Click += new System.EventHandler(this.button3_Click);
//
// kettext
//
this.kettext.Location = new System.Drawing.Point(383, 16);
this.kettext.Name = "kettext";
this.kettext.Size = new System.Drawing.Size(112, 21);
this.kettext.TabIndex = 11;
//
// randomtext
//
this.randomtext.Location = new System.Drawing.Point(384, 61);
this.randomtext.Name = "randomtext";
this.randomtext.Size = new System.Drawing.Size(110, 21);
this.randomtext.TabIndex = 12;
//
// label3
//
this.label3.AutoSize = true;
this.label3.Location = new System.Drawing.Point(315, 21);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(47, 12);
this.label3.TabIndex = 13;
this.label3.Text = "MD5密钥";
//
// label4
//
this.label4.AutoSize = true;
this.label4.Location = new System.Drawing.Point(315, 68);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(41, 12);
this.label4.TabIndex = 14;
this.label4.Text = "随机数";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(578, 201);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.randomtext);
this.Controls.Add(this.kettext);
this.Controls.Add(this.softcal);
this.Controls.Add(this.ET99cal);
this.Controls.Add(this.SetMD5Key);
this.Controls.Add(this.UserPinEdit);
this.Controls.Add(this.label2);
this.Controls.Add(this.PidEdit);
this.Controls.Add(this.label1);
this.Controls.Add(this.CloseToken);
this.Controls.Add(this.ReadData);
this.Controls.Add(this.WriteData);
this.Controls.Add(this.OpenToken);
this.Name = "Form1";
this.Text = "Form1";
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void testfun1(out int a)
{
a=10;
}
private void testfun2(ref byte b)
{
}
private void testfun3(ref byte b,out int a)
{
b=b;
a=10;
}
public string byteTostring(byte[] byTemp, int len)
{
string strtemp = "";
for (int j = 0; j < len; j++)
{
if (byTemp[j] == 0)
{
break;
}
strtemp += string.Format("{0}", (char)byTemp[j]);
}
return strtemp;
}
private void OpenToken_Click(object sender, System.EventArgs e)
{
try
{
byte[] pid = new byte[8];
char[] chpid = new char[8];
byte[] pin = new byte[16];
char[] chpin = new char[16];
int TokenCount=0;
//data type convert
PidEdit.Text.CopyTo(0,chpid,0,8);
UserPinEdit.Text.CopyTo(0,chpin,0,16);
for(int i=0;i<8;i++)
{
pid[i]=(byte)chpid[i];
}
for(int j=0;j<16;j++)
{
pin[j]=(byte)chpin[j];
}
//find ET99
// testfun1(out TokenCount);
// testfun2(ref pid[0]);
// testfun3(ref pid[0],out TokenCount);
ET99.FindToken(ref pid[0],out TokenCount);
if(0==TokenCount)
{
MessageBox.Show("Not found any ET99!");
return;
}
//open the first ET99
ET99.OpenToken(ref pid[0],1);
//verify user pin
ET99.VerifyPIN(0,ref pin[0]);
MessageBox.Show("Open ET99 success!");
OpenToken.Enabled = false;
WriteData.Enabled = true;
ReadData.Enabled = true;
CloseToken.Enabled = true;
SetMD5Key.Enabled = true;
ET99cal.Enabled = true;
softcal.Enabled = true;
PidEdit.Text="";
UserPinEdit.Text="";
}
catch(COMException exc)
{
MessageBox.Show(String.Format("error code {0}",(exc.ErrorCode &0xff)) );
MessageBox.Show("open Token fail!");
}
}
private void WriteData_Click(object sender, System.EventArgs e)
{
try
{
byte[] buffer = new byte[8];
byte[] bytArr;
string strwrite = "ET99ET99";
bytArr = System.Text.Encoding.ASCII.GetBytes(strwrite.ToCharArray());
System.Buffer.BlockCopy(bytArr, 0, buffer, 0, 8);
ET99.Write(0,8,ref buffer[0]);
MessageBox.Show("Write ET99 success!");
}
catch(COMException exc)
{
MessageBox.Show(String.Format("error code {0}",(exc.ErrorCode &0xff)) );
MessageBox.Show("Write ET99 fail!");
}
}
private void ReadData_Click(object sender, System.EventArgs e)
{
try
{
byte[] buffer = new byte[8];
string strtemp;
ET99.Read(0,8,out buffer[0]);
strtemp = byteTostring(buffer, 8);
MessageBox.Show("Read ET99 success!" + strtemp);
}
catch(COMException exc)
{
MessageBox.Show(String.Format("error code {0}",(exc.ErrorCode &0xff)) );
MessageBox.Show("Read ET99 fail!");
}
}
private void CloseToken_Click(object sender, System.EventArgs e)
{
ET99.CloseToken();
OpenToken.Enabled = true;
WriteData.Enabled = false;
ReadData.Enabled = false;
CloseToken.Enabled = false;
SetMD5Key.Enabled = false;
ET99cal.Enabled = false;
softcal.Enabled = false;
}
private void Form1_Load(object sender, System.EventArgs e)
{
OpenToken.Enabled = true;
WriteData.Enabled = false;
ReadData.Enabled = false;
CloseToken.Enabled = false;
SetMD5Key.Enabled = false;
ET99cal.Enabled = false;
softcal.Enabled = false;
}
private void PidEdit_TextChanged(object sender, System.EventArgs e)
{
if((PidEdit.Text.Length!=8)||(UserPinEdit.Text.Length!=16))
OpenToken.Enabled = false;
else
OpenToken.Enabled = true;
}
private void UserPinEdit_TextChanged(object sender, System.EventArgs e)
{
if((PidEdit.Text.Length!=8)||(UserPinEdit.Text.Length!=16))
OpenToken.Enabled = false;
else
OpenToken.Enabled = true;
}
private void button1_Click(object sender, EventArgs e)
{
try
{
//分配给用户的密钥，这个密钥是存储在数据库中，用于软件计算的
byte[] bytekey;
//string strkey = "123456";
string strkey = kettext.Text;
//将分配给用户的密钥进行处理，即将“123456”处理后变为定长的32字节MD5密钥
//存储在ET99中，这个密钥是用于硬件计算的
byte[] md5keybuffer = new byte[32];
//随机数，在产生密钥时没有用
byte[] randombuffer = new byte[51];
//计算结果，在这里也没有用
byte[] digest = new byte[16];
bytekey = System.Text.Encoding.ASCII.GetBytes(strkey.ToCharArray());
//将“123456”变为32字节的MD5密钥
ET99.Soft_MD5HMAC(ref randombuffer[0], 51,
ref bytekey[0], strkey.Length,
out md5keybuffer[0], out digest[0]);
//将32字节的MD5密钥存储在ET99中，密钥号为1
ET99.SetKey(1, ref md5keybuffer[0]);
MessageBox.Show("Set MD5KEY success!");
}
catch (COMException exc)
{
MessageBox.Show(String.Format("error code {0}", (exc.ErrorCode & 0xff)));
MessageBox.Show("Read ET99 fail!");
}
}
private void button2_Click(object sender, EventArgs e)
{
try
{
//随机数，参与硬件计算
//string strrandom = "88889999";
string strrandom = randomtext.Text;
byte[] byterandom;
//硬件计算结果
byte[] et99digest = new byte[16];
string strtemp = "";
byterandom = System.Text.Encoding.ASCII.GetBytes(strrandom.ToCharArray());
//使用MD5密钥号为1的密钥计算，
ET99.MD5HMAC(1, strrandom.Length, ref byterandom[0], out et99digest[0]);
for (int i = 0; i < 16; ++i)
{
strtemp += string.Format("{0:X2}", et99digest[i]);
}
MessageBox.Show(strtemp);
}
catch (COMException exc)
{
MessageBox.Show(String.Format("error code {0}", (exc.ErrorCode & 0xff)));
MessageBox.Show("Read ET99 fail!");
}
}
private void button3_Click(object sender, EventArgs e)
{
try
{
//随机数，在产生密钥时没有用
//string strrandom = "88889999";
string strrandom = randomtext.Text;
byte[] byterandom;
//软件的密钥，从数据库获得
byte[] bytekey;
//string strkey = "123456";
string strkey = kettext.Text;
//软件计算结果
byte[] softdigest = new byte[16];
//计算的MD5密钥，在这里没有用
byte[] md5keybuffer = new byte[32];
string strtemp = "";
byterandom = System.Text.Encoding.ASCII.GetBytes(strrandom.ToCharArray());
bytekey = System.Text.Encoding.ASCII.GetBytes(strkey.ToCharArray());
ET99.Soft_MD5HMAC(ref byterandom[0], strrandom.Length,
ref bytekey[0], strkey.Length,
out md5keybuffer[0], out softdigest[0]);
for (int i = 0; i < 16; ++i)
{
strtemp += string.Format("{0:X2}", softdigest[i]);
}
MessageBox.Show(strtemp);
}
catch (COMException exc)
{
MessageBox.Show(String.Format("error code {0}", (exc.ErrorCode & 0xff)));
MessageBox.Show("Read ET99 fail!");
}
}
}
}
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