当前文件： ChongChongGuestBook/App_Code/Encryption.cs[1K，2009-6-12 11:35:43]，打开代码结构图

		            
 1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Web;
 5using System.Web.Security;
 6using System.Web.UI;
 7using System.Web.UI.WebControls;
 8using System.Web.UI.WebControls.WebParts;
 9using System.Web.UI.HtmlControls;
10
11/**//// <summary>
12/// Encryption 的摘要说明
13/// </summary>
14public class Encryption
15...{
16    public Encryption()
17    ...{
18        //
19        // TODO: 在此处添加构造函数逻辑
20        //
21    }
22
23    /**//// <summary>
24    /// encrypting string《加密》
25    /// </summary>
26    /// <returns></returns>
27    public static string Encrypt(string Password)
28    ...{
29        string str = "";
30        FormsAuthenticationTicket ticket = new System.Web.Security.FormsAuthenticationTicket(Password, true, 2);
31        str = FormsAuthentication.Encrypt(ticket).ToString();
32        return str;
33    }
34
35    /**//// <summary>
36    /// encrypting string《SHA1 or MD5加密》
37    /// </summary>
38    /// <param name="Password">encrypting string</param>
39    /// <param name="Format">format,0 is SHA1,1 is MD5</param>
40    /// <returns></returns>
41    public static string pwencrypt(string Password, int Format)
42    ...{
43        string str = "";
44        switch (Format)
45        ...{
46            case 0:
47                str = FormsAuthentication.HashPasswordForStoringInConfigFile(Password, "SHA1");
48                break;
49            case 1:
50                str = FormsAuthentication.HashPasswordForStoringInConfigFile(Password, "MD5");
51                break;
52        }
53        return str;
54    }
55
56    /**//// <summary>
57    /// decrypt string《解密》
58    /// </summary>
59    /// <param name="Passowrd">encrypted string</param>
60    /// <returns></returns>
61    public static string Decrypt(string Passowrd)
62    ...{
63        string str = "";
64        str = FormsAuthentication.Decrypt(Passowrd).Name.ToString();
65        return str;
66    }
67
68 
69
70}
71