/// <summary>
/// 读取公钥(进过des加密)
/// </summary>
/// <param name="key">传出字节类型的公钥</param>
/// <param name="file">要读的文件名</param>
public void ReadpublicKey(out byte[] key, string file)
{
string[] str = File.ReadAllLines(file, Encoding.Default);
desKey des = new desKey();
key = strToToHexByte(des.Decrypt(str[0], "abcdefgh"));
}
/// <summary>
/// 读取私钥(进过des加密)
/// </summary>
/// <param name="prikey">传出大数类型的私钥</param>
/// <param name="file">文件名</param>
public void Readprikey(out BigInteger prikey, string file)
{
string[] str = File.ReadAllLines(file, Encoding.Default);
desKey des = new desKey();
prikey = new BigInteger(des.Decrypt(str[0], "abcdefgh"), 16);
}
/// <summary>
/// 经过des加密后、写入秘钥（用户名pri.txt）
/// </summary>
/// <param name="userKey">公钥</param>
/// <param name="file">要写入的文件名</param>
public void WriterKey(string userKey, string file)
{
try
{
string path = file;
FileStream Ali;
desKey des = new desKey();
Ali = new FileStream(path, FileMode.Create, FileAccess.Write);//创建写入文件
StreamWriter sr = new StreamWriter(Ali);
sr.WriteLine(des.Encrypt(userKey, "abcdefgh"));
// MessageBox.Show("\r\n公钥长度：" + userKey.Length);
sr.Close();
}
catch (Exception ee)
{
MessageBox.Show("ecc类异常 2\r\n" + ee.ToString());
}
}
private void jdtiao_Tick(object sender, EventArgs e)
{
if (progressBar1.Value < progressBar1.Maximum)
{
progressBar1.Value++;
//label3.Text = progressBar1.Maximum.ToString();
double f = Math.Round((((double)progressBar1.Value / (double)progressBar1.Maximum) * 100), 0);
if (f < 50)
{
label2.Text = "正在加密";
}
if (f < 65 && f > 55)
{
label2.Text = "加密完成";
}
if (f >= 85)
{
label2.Text = "正在发送！";
}
if (f == 100)
{
Form1 ff = new Form1();
//ecc ecc = new ecc();
file file = new file();
desKey des = new desKey();
//公钥加密：利用服务器的公钥加密
c = client.ecc.Test_sm2_cipher(client.sm2, waitBut.Text.Trim(), "server.txt");
//数字签名算法：利用公私钥和自己的身份标识进行生成签名
z = client.ecc.Test_sm2_sign(client.sm2, client.pripk, client.ppk, client.name);
rs = file.reader(client.name + "rs.txt");
client.upmsg("*#*#" + c[0] + "#" + c[1] + "#" + c[2] + "#" + z + "#" + rs + "#" + client.name + "#" + DateTime.Now.ToString());
}
label1.Text = f.ToString() + "%";
}
}
/// <summary>
/// 经过des加密后、写入秘钥（用户名pri.txt）
/// </summary>
/// <param name="userD">秘钥</param>
/// <param name="file">要写入的文件名</param>
public void WriterKey(BigInteger userD, string file)
{
try
{
string path = file;
FileStream Ali;
file fi = new file();
desKey des = new desKey();
Ali = new FileStream(path, FileMode.Create, FileAccess.Write); //创建写入文件
StreamWriter sr = new StreamWriter(Ali);
string ss = des.Encrypt(userD.ToString(16), "abcdefgh"); //des加密，"abcdefgh"为加密随机数
sr.WriteLine(ss); //写入文件
sr.Close();
}
catch (Exception ee)
{
MessageBox.Show("ecc类异常 1\r\n" + ee.ToString());
}
}
/// <summary>
/// 将rs写入一个文件下（不经过des加密）
/// </summary>
/// <param name="r">R</param>
/// <param name="s">S</param>
/// <param name="rsfile">rs要存入的文件夹路径</param>
public void Writers(BigInteger r, BigInteger s, string rsfile)//写入r,s,签名者公钥，用于验证
{
try
{
FileStream Ali;
string path = rsfile;
desKey des = new desKey();
Ali = new FileStream(path, FileMode.Create, FileAccess.Write);//创建写入文件
StreamWriter sr = new StreamWriter(Ali);
//RS
sr.Write(r.ToString(16));//开始写入值
sr.Write("#");
sr.Write(s.ToString(16));
sr.Close();
}
catch (Exception ss)
{
MessageBox.Show("写入RS时出错！\r\n" + ss.ToString());
throw;
}
}
/// <summary>
/// 从socket中读取数据
/// </summary>
public static void ReciveMsg()
{
try
{
//循环读取
while (true)
{
pripk = name + "pri.txt"; //当前用户的私钥
ppk = name + "pk.txt"; //当前用户的公钥
int length = 0;
//字节数组
byte[] byteMsg = new byte[1024 * 1024 * 4];
//获取字节数组大小
length = sokClient.Receive(byteMsg);
//获取有用的从0~length个
strMsg = Encoding.UTF8.GetString(byteMsg, 0, length);
// MessageBox.Show(strMsg);
Thread thread2 = new Thread(new ThreadStart(ShowMsgForm)); //创建新线程
thread2.IsBackground = true;
string[] sstr = strMsg.Split('#'); //利用“#”作为消息的分割
//数组长度
int x = sstr.Length;
//标记数据类型，当falg>1是为用户登录信息
//falg为数组中消息的个数
int msnumber = 0;
for (int j = 0; j < x; j++)
{
if (sstr[j] != "")
{
msnumber++;
}
}
if (sstr[0] == name)
{
cl.label10.ForeColor = Color.Red;
cl.label10.Text = "当前序列中有你！";
cl.tslang.Text = "正在进行签名任务,暂时无法重新生成公私钥！";
cl.button1.Enabled = false;
}
#region 一系列的登录检测
if (sstr[0] == "正在登录！")
{
//Thread.Sleep(100);
//MessageBox.Show(sstr[0] + "\r\n" + sstr[1]);
file file = new file();
desKey des = new desKey();
//进过des加密后写入本地server.txt文件下
file.writer("server.txt", des.Encrypt(sstr[1], "abcdefgh"));
thread2.Start();
}
if (strMsg == "用户名尚未注册！")
{
// MessageBox.Show(
sokClient.Shutdown(SocketShutdown.Both);
sokClient.Disconnect(true);
//用户没有注册，从新启动客户端
Application.Restart();
}
//首次登陆关键信息的注册
// 添加进度提示
//1.提交cpu、硬盘的序列号
//2.生成公钥对、和私钥（都为16进制64位）
if (strMsg == "系统检测到用户首次登陆，正在注册关键信息请稍等！")//加入进度条指示！
{
//生成公私钥，存入指定的文件夹下
ecc.Creatkey(sm2, pripk, ppk);//创建密钥
//根据公私钥生成rs
string gykey = "";
ecc.Test_sm2_sign(sm2, pripk, ppk, name);
file file = new file();
try
{
gykey = des.Decrypt(file.reader(ppk), "abcdefgh");//读取客户端公钥，记着des解密
}
catch (Exception dd)
{
MessageBox.Show(dd.ToString());
}
Form1 ff = new Form1();
client.upmsg("重新生成用户公钥对" + "#" + gykey + "#" + client.name + "#@#@#@");//将用户公钥发给服务器
fistLog fist = new fistLog();
fist.ShowDialog();
thread2.Start();
}
if (strMsg == "服务器检测到，当前配置与注册不符")
{
MessageBox.Show("服务器检测到，当前电脑配置与注册信息不符\n\n无法完成登录！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
Application.Restart();
}
#endregion
//利用#作为分隔符，
/* sstr[0]位用户名,
* sstr[1]位服务器的R,
* sstr[2]位服务器的S ,
* sstr[3]为Z,
* sstr[4]为c1
* sstr[5]位c2,
* sstr[6]位c3,
* sstr[7]为时间,
* sstr[8]位签名发起人标记
*/
if (msnumber == 9)
{
// MessageBox.Show(sstr[0] + "\r\n" + sstr[1] + "\r\n" + sstr[2] + "\r\n" + sstr[3] + "\r\n" + sstr[4] + "\r\n" + sstr[5] + "\r\n" + sstr[6] + "\r\n" + sstr[7] + "\r\n" + sstr[8] + "\r\n");
//设置签名消息
file file = new file();
//ecc ecc = new ecc();
string pk = des.Decrypt(file.reader(serverpk), "abcdefgh");//读取并解密des加密的服务器公钥
//签名验证
if (client.ecc.Signature_Check(sm2, pk, sstr[3], sstr[1], sstr[2]) == true)
{
if (sstr[0] == name)
{
cl.noSignBut.Text = "拒绝签名";
cl.noSignBut.Enabled = true;
cl.button2.Enabled = true;
}
string jmxx = client.ecc.deciphering(sm2, pripk, sstr[4], sstr[5], sstr[6]);
if (jmxx != "0")
{//倒计时设置
cl.waitBut.Text = jmxx;
if (sstr[7].StartsWith("时间") == true)
{
//MessageBox.Show("时间：\r\n"+sstr[7].ToString());
int len = sstr[7].Length;
string s = "";
if (len == 0)
{
s += sstr[7].Trim()[2];
}
if (2 <= len)
{
s += sstr[7].Trim()[2];
}
cl.time1 = Int32.Parse(s) - 1;
cl.ss = 59;
}
}
else
{
MessageBox.Show("数据校验失败！");
}
}
else
{
MessageBox.Show("验证不通过！！");
}
}
#region 第一次接受签名
if (msnumber == 4)
{
//利用'|'做分割符，sstr[0]为用户名，sstr[1]为签名消息，sstr[2]为时间，sstr[3]代表是否为发起签名的人
//MessageBox.Show(sstr[0] + "\n\n" + sstr[1]);
if (sstr[0] == name)
{
cl.noSignBut.Text = "拒绝签名";
cl.noSignBut.Enabled = true;
cl.button2.Enabled = true;
}
//设置签名消息
cl.waitBut.Text = sstr[1].ToString();
//倒计时设置
if (sstr[2].StartsWith("时间") == true)
{
int len = sstr[2].Length;
string s = "";
if (len == 0)
{
s += sstr[2].Trim()[2];
}
if (2 <= len)
{
s += sstr[2].Trim()[2];
}
cl.time1 = Int32.Parse(s) - 1;
cl.ss = 59;
}
//sstr[3]代表此用户是否为签名的第一个人，由他填写签名内容。“1”代表是签名发起者
if (sstr[3] == "1")
{
//设置为可写
cl.waitBut.ReadOnly = false;
}
}
#endregion
}
}
catch (SocketException)//服务器离线异常捕获
{
//回报服务器下线
cl.label7.ForeColor = Color.Red;
cl.label7.Text = "离线";
if (MessageBox.Show("服务器关闭了链接！！\n\n\n是否重新登录？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
Application.Restart();//服务器关闭后，从新回到登录页面
}
else
{
return;
}
}
catch (Exception e)
{
MessageBox.Show("客户端“Form1”异常 2：" + e.Message);
return;
}
}
