本人在对安装在客户端的安全证书的操作上遇到问题了，我用.NET FrameWork 里的 makecert.exe 命令生成了一个安全证书 testCert.cer ，然后安装在客户机上。接着编写了如下代码。
index.aspx
<%@ Page language="c#" Codebehind="index.aspx.cs" AutoEventWireup="false" Inherits="Test.WebForm1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm1</title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
</HEAD>
<body MS_POSITIONING="GridLayout">
<div align="center">
<form id="Form1" method="post" runat="server">
<FONT face="宋体">
<asp:Label id="Label1" style="Z-INDEX: 101; LEFT: 168px; POSITION: absolute; TOP: 104px" runat="server"
Font-Size="12px">获得客户端的数字证书：</asp:Label>
<asp:Label id="Label2" runat="server">Label</asp:Label>
<asp:TextBox id="TextBox1" style="Z-INDEX: 102; LEFT: 331px; POSITION: absolute; TOP: 101px"
runat="server" Font-Size="12px"></asp:TextBox>
<asp:Button id="Button1" style="Z-INDEX: 103; LEFT: 496px; POSITION: absolute; TOP: 101px" runat="server"
Text="提交" Width="48px" Font-Size="12px"></asp:Button></FONT></form>
</div>
</body>
</HTML>
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace Test
{
/**//// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label Label1;
protected System.Web.UI.WebControls.TextBox TextBox1;
protected System.Web.UI.HtmlControls.HtmlForm Form1;
protected System.Web.UI.WebControls.Label Label2;
protected System.Web.UI.WebControls.Button Button1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
}
Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/**//// <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.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
//获取客户端的IP地址
String ClientIP;
ClientIP = Request.UserHostAddress;
//获取客户端的主机名
String ClientName;
ClientName = Request.UserHostName;
//获取客户端的数字证书的内容
string mark = "";
HttpClientCertificate cs = Request.ClientCertificate;
mark = cs.Certificate.ToString();
//获取证书的颁发者
string provider = "";
provider = cs.BinaryIssuer.ToString();
/**//*==================判断数字证书是否存在=====================*/
if (cs.IsPresent == true)
Label2.Text = "数字证书存在";
else
Label2.Text = "数字证书不存在";
//在TextBox里显示数字证书相关内容
TextBox1.Text = provider + mark + ClientIP + ClientName;
}
}
}
index.aspx
<%@ Page language="c#" Codebehind="index.aspx.cs" AutoEventWireup="false" Inherits="Test.WebForm1" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" ><HTML> <HEAD> <title>WebForm1</title> <meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR"> <meta content="C#" name="CODE_LANGUAGE"> <meta content="JavaScript" name="vs_defaultClientScript"> <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema"> </HEAD> <body MS_POSITIONING="GridLayout"> <div align="center"> <form id="Form1" method="post" runat="server"> <FONT face="宋体"> <asp:Label id="Label1" style="Z-INDEX: 101; LEFT: 168px; POSITION: absolute; TOP: 104px" runat="server" Font-Size="12px">获得客户端的数字证书：</asp:Label> <asp:Label id="Label2" runat="server">Label</asp:Label> <asp:TextBox id="TextBox1" style="Z-INDEX: 102; LEFT: 331px; POSITION: absolute; TOP: 101px" runat="server" Font-Size="12px"></asp:TextBox> <asp:Button id="Button1" style="Z-INDEX: 103; LEFT: 496px; POSITION: absolute; TOP: 101px" runat="server" Text="提交" Width="48px" Font-Size="12px"></asp:Button></FONT></form> </div> </body></HTML>index.aspx.cs
using System;using System.Collections;using System.ComponentModel;using System.Data;using System.Drawing;using System.Web;using System.Web.SessionState;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.HtmlControls;namespace Test{ /**//// <summary> /// WebForm1 的摘要说明。 /// </summary> public class WebForm1 : System.Web.UI.Page { protected System.Web.UI.WebControls.Label Label1; protected System.Web.UI.WebControls.TextBox TextBox1; protected System.Web.UI.HtmlControls.HtmlForm Form1; protected System.Web.UI.WebControls.Label Label2; protected System.Web.UI.WebControls.Button Button1; private void Page_Load(object sender, System.EventArgs e) { // 在此处放置用户代码以初始化页面 } Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码 override protected void OnInit(EventArgs e) { // // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。 // InitializeComponent(); base.OnInit(e); } /**//// <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.Button1.Click += new System.EventHandler(this.Button1_Click); this.Load += new System.EventHandler(this.Page_Load); } #endregion private void Button1_Click(object sender, System.EventArgs e) { //获取客户端的IP地址 String ClientIP; ClientIP = Request.UserHostAddress; //获取客户端的主机名 String ClientName; ClientName = Request.UserHostName; //获取客户端的数字证书的内容 string mark = ""; HttpClientCertificate cs = Request.ClientCertificate; mark = cs.Certificate.ToString(); //获取证书的颁发者 string provider = ""; provider = cs.BinaryIssuer.ToString(); /**//*==================判断数字证书是否存在=====================*/ if (cs.IsPresent == true) Label2.Text = "数字证书存在"; else Label2.Text = "数字证书不存在"; //在TextBox里显示数字证书相关内容 TextBox1.Text = provider + mark + ClientIP + ClientName; } }}编译后，在客户机上运行判断是数字证书不存在。请各位仁兄看看是什么问题？
我给大家提供一个测试的安全证书，请 点击下载 。
如果大家觉得这个测试证书有问题，但我可以告诉大家，我朋友给我发来了个合法的安全证书，我们正常用在邮件加密上了，也不好使。