web.Config加密解密最简单实用方法

admin

web.config的文件多数的时候不希望别人看到，下面提供一个加密，解密的语句，简洁方便实用，先看到效果，至于加密的原理其他的网页上做了很多说明，这里只演示效果。
( J9 |; {  Y# w8 F# N8 z" h　　加密前的connectionStrings节点
　　代码
　　<connectionStrings>
6 j+ Q  M3 M6 z! z4 r+ _　　<add name="SQLConnString1" connectionString="server=WJW-PC\SQL2008;user id=sa;password=12345;Initial Catalog=dbFASH;min pool size=4;max pool size=400;" />
- F1 q! c3 L) A  B. ?　　<add name="eziyaConnectionString1" connectionString="Data Source=HOME-COMPUTER;Initial Catalog=dbFASH;Integrated Security=True;MultipleActiveResultSets=Falseacket Size=4096;Application Name=&quot;Microsoft SQL Server Management Studio&quot;"
　　providerName="System.Data.SqlClient" />
. b6 A* u% a: d1 O4 T* q7 w　　<add name="eziyaConnectionString2" connectionString="Data Source=192.168.1.200;Initial Catalog=dbFASHersist Security Info=True;User ID=taoka;MultipleActiveResultSets=Falseacket Size=4096;Application Name=&quot;Microsoft SQL Server Management Studio&quot;"
　　providerName="System.Data.SqlClient" />
+ F$ K0 M( n" ]& y3 i  w: q* g　　<add name="eziyaConnectionString3" connectionString="Data Source=192.168.61.160;Initial Catalog=dbFASHersist Security Info=True;User ID=sa;MultipleActiveResultSets=Falseacket Size=4096;Application Name=&quot;Microsoft SQL Server Management Studio&quot;"
　　providerName="System.Data.SqlClient" />
　　</connectionStrings>
　　加密后的connectionStrings的节点
& o7 T8 L( I6 q$ _　　代码
　　<connectionStrings configProtectionProvider="RsaProtectedConfigurationProvider">
　　<EncryptedData Type="http://www.w3.org/2001/04/xmlenc#Element"
　　xmlns="http://www.w3.org/2001/04/xmlenc#"&gt;
# ]) m( g( t% m8 T7 q　　<EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#tripledes-cbc" />
　　<KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#"&gt;
' q# [0 C7 K$ r; H　　<EncryptedKey xmlns="http://www.w3.org/2001/04/xmlenc#"&gt;
* |5 K" M, y  d# g: k　　<EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-1_5" />
* D4 ~% U9 q  r3 L4 [　　<KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#"&gt;
# m, p3 P' |8 |9 r　　<KeyName>Rsa Key</KeyName>
# L  V& b; {7 x( B8 V' p/ Y　　</KeyInfo>
　　<CipherData>
　　<CipherValue>FOkydQFNniZvq71ua4XapuVCUrJFOARkXeqqwyKFoP+NGXGewehxYW0zTzIn/j+YCvH/r6ABoE/AfWMMEDyr81R1mhi4ckXbiJ2BvW612/W7f7Wkqj+FDwse+lgAISHZ5HfspaY1LBvKYAu1VEm6Iu6NlT35TPnjxFf+p5Apf0E=</CipherValue>
　　</CipherData>
8 D; p% i1 S' ]2 r  R　　</EncryptedKey>
　　</KeyInfo>
& x' x; ~: i  ^1 l0 {) ]3 V1 Y' v　　<CipherData>
& ]- `7 K# {1 q' O& r0 g% }　　<CipherValue>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</CipherValue>
　　</CipherData>
/ L, D4 ]- Q: f　　</EncryptedData>
　　</connectionStrings>
( C) F$ q' N; g/ g　　完全看不到连接的信息！
! R1 i+ _8 @- J( E* n; z　　下面是两个.bat批处理文件
$ {: Y. C! a: A4 E　　加密：
3 A7 N7 c$ w- b2 Z1 X  H5 J　　@echo off
! p- `) Q/ [/ g8 }2 L　　C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -pef "connectionStrings" "E:\code\proj\Web"
　　解密：
　　@echo off
　　C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -pdf "connectionStrings" "E:\code\proj\Web"
　　PAUSE
　　直接将语句拷贝到.BAT文件中，E:\code\proj\Web为相应的web.config所在的路径，只能在一台电脑上操作，否则不可逆

Anthony~

好方法。我正好刚遇到这个问题