100分求教IE自动填充问题
请问各位，IE浏览器自动填充的用户名密码存放在什么地方？我个人发现部分存放在注册表中，我用注册表监控找到键值以后发现值里面并没有数据而是Microsoft RSA SChannel Cryptographic Provider，怎样找到加密后的数据？另外还有一部分存放在protected storage中请问这是什么？具体位置在哪？

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这个是这样的。要看你是什么版本的ie.
在ie7以前的版本，即从ie4.0-ie6.0，ie自动填充的用户名和密码是存储在HKCU\Software\Microsoft\Protected Storage System Provider主键下，该键下除了保存ie自动完成的的密码外，还保存有密码保护类的网站的自动登陆的用户名和密码信息。
从ie7开始，微软改变了ie的自动密码的保存方式，不再使用HKCU\Software\Microsoft\Protected Storage System Provider这个主键了，而是把自动完成的密码存储在HKCU\Software\Microsoft\Internet Explorer\IntelliForms\Storage2这个主键了。另外，还有HTTP的安全校验密码是存储在个人配置文件夹下的Application Data\Microsoft\Credentials文件夹中。你可以到注册表和文件夹中查看这些键值和数据，但它们都是加密的，可以用一些工具查看其中存储的密码。
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如果你英文还可以的话，可以看这个网页，里面有恨详细的说明，其中就有protected storage
http://www.nirsoft.net/utils/internet_explorer_password.html

Password Storage Locations

Internet Explorer stores the passwords in different locations, depending on the version of IE, and the type of the password:
Protected Storage: The 'Protected Storage' is a special secret location in the Registry that was used to store all the passwords of Internet Explorer in versions 4.0 - 6.0 
The Registry location of the Protected Storage was HKEY_CURRENT_USER\Software\Microsoft\Protected Storage System Provider. Starting from version 7.0 of Internet Explorer, the Protected Storage is no longer used for storing passwords.
Registry (Storage2 Key): Starting from version 7.0 of IE, all AutoComplete passwords are stored in HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\IntelliForms\Storage2 Registry key. The passwords are encrypted with a key created from the Web site address, so it's not possible to get the password without knowing the Web site address.
Credentials File: Starting from version 7.0 of IE, HTTP authentication passwords are saved in the Credentials file of Windows, together with other network/login passwords. The Credentials file is located in the following locations:
Windows XP/2003: [Windows Profile]\Application Data\Microsoft\Credentials\[User SID]\Credentials and [Windows Profile]\Local Settings\Application Data\Microsoft\Credentials\[User SID]\Credentials
Windows Vista: [Windows Profile]\AppData\Roaming\Microsoft\Credentials\[Random ID] and [Windows Profile]\AppData\Local\Microsoft\Credentials\[Random ID]
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