FormsAuthentication.HashPasswordForStoringInConfigFile Method

最新推荐文章于 2023-01-09 09:46:42 发布

linkinmao

最新推荐文章于 2023-01-09 09:46:42 发布

阅读量785

点赞数

文章标签： server credentials radiobutton string textbox asp

本文介绍如何使用指定的密码和哈希算法生成适用于配置文件存储的哈希密码。通过C#示例展示了如何利用FormsAuthentication类的静态方法HashPasswordForStoringInConfigFile来创建哈希密码值。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

Produces a hash password suitable for storing in a configuration file based on the specified password and hash algorithm.

Namespace: System.Web.Security
Assembly: System.Web (in system.web.dll)

public static string HashPasswordForStoringInConfigFile (
	string password,
	string passwordFormat
)

C++

public:
static String^ HashPasswordForStoringInConfigFile (
	String^ password, 
	String^ passwordFormat
)

Parameters

password

The password to hash.

passwordFormat

The hash algorithm to use. passwordFormat is a String that represents one of the FormsAuthPasswordFormat enumeration values.

Return Value

The hashed password

Remarks

  
   
    The HashPasswordForStoringInConfigFile method creates a hashed password value that can be used when storing forms-authentication credentials in the configuration file for an application.
Authentication credentials stored in the configuration file for an application are used by the 
 
     
      C#
     
     
       
     
    
      Copy Code
    
    <%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html  >    <head>     <title>ASP.NET Example</title> <script runat="server">
         void Cancel_Click(object sender, EventArgs e)
         {
            userName.Text = "";
            password.Text = "";
            repeatPassword.Text = "";
            result.Text = "";
         }
    
         void HashPassword_Click(object sender, EventArgs e)
         {
            if (Page.IsValid)
            {
               string hashMethod = "";

               if (md5.Checked)
               {
                  hashMethod = "MD5";
               }
               else                {                   hashMethod = "SHA1";
               }
    
               string hashedPassword =
                  FormsAuthentication.HashPasswordForStoringInConfigFile(password.Text, hashMethod);
    
               result.Text = "&lt;credentials passwordFormat=/"" + hashMethod +"/"&gt;<br />" +
                  "  &lt;user name=/"" + Server.HtmlEncode(userName.Text) + "/" password=/"" +
                  hashedPassword + "/" /&gt;<br />" + "&lt;/credentials&gt;";
            }
            else             {                result.Text = "There was an error on the page.";
            }
         }
      </script>
   </head>

   <body>
      <form id="form1" runat="server">
         <p>This form displays the results of the FormsAuthentication.HashPasswordForStoringInConfigFile
         method.<br />The user name and hashed password can be stored in a &lt;credentials&gt; node
         in the Web.config file.</p>
         <table cellpadding="2">
            <tbody>
               <tr>
                  <td>New User Name:</td>
                  <td><asp:TextBox id="userName" runat="server" /></td>
                  <td><asp:RequiredFieldValidator id="userNameRequiredValidator" 
                        runat="server" ErrorMessage="User name required" 
                        ControlToValidate="userName" /></td>
               </tr>
               <tr>
                  <td>Password: </td>
                  <td><asp:TextBox id="password" runat="server" TextMode="Password" /></td>
                  <td><asp:RequiredFieldValidator id="passwordRequiredValidator" 
                        runat="server" ErrorMessage="Password required" 
                        ControlToValidate="password" /></td>
               </tr>
               <tr>
                  <td>Repeat Password: </td>
                  <td><asp:TextBox id="repeatPassword" runat="server" TextMode="Password" /></td>
                  <td><asp:RequiredFieldValidator id="repeatPasswordRequiredValidator" 
                        runat="server" ErrorMessage="Password confirmation required" 
                        ControlToValidate="repeatPassword" />
                      <asp:CompareValidator id="passwordCompareValidator" runat="server" 
                        ErrorMessage="Password does not match" 
                        ControlToValidate="repeatPassword" 
                        ControlToCompare="password" /></td>
               </tr>
               <tr>
                  <td>Hash function:</td>
                  <td align="center">
                     <asp:RadioButton id="sha1" runat="server" GroupName="HashType" 
                                      Text="SHA1" />
                     <asp:RadioButton id="md5" runat="server" GroupName="HashType" 
                                      Text="MD5" />
                  </td>
               </tr>
               <tr>
                  <td align="center" colspan="2">
                    <asp:Button id="hashPassword" onclick="HashPassword_Click" 
                                runat="server" Text="Hash Password" />&nbsp;&nbsp; 
                    <asp:Button id="cancel" onclick="Cancel_Click" runat="server" 
                                Text="Cancel" CausesValidation="false" />
                  </td>
               </tr>
            </tbody>
         </table>

         <pre><asp:Label id="result" runat="server"></asp:Label></pre>
      </form>
   </body>
</html>