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。
. n/ V! V2 M4 I9 [4 P　　加密前的connectionStrings节点
$ Q2 _# c% Y' E" }1 @0 B　　代码
8 w5 @7 |$ J1 V2 v0 p　　<connectionStrings>
　　<add name="SQLConnString1" connectionString="server=WJW-PC\SQL2008;user id=sa;password=12345;Initial Catalog=dbFASH;min pool size=4;max pool size=400;" />
　　<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;"
% f2 a1 P, R& z( o& d　　providerName="System.Data.SqlClient" />
5 A7 w0 A4 H1 m$ h1 Q" j& \! g　　<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;"
. g$ E2 i) u" y　　providerName="System.Data.SqlClient" />
　　<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;"
% \. U: @0 n6 q) b6 k  O　　providerName="System.Data.SqlClient" />
　　</connectionStrings>
　　加密后的connectionStrings的节点
) t& [8 p8 e. I) W# h& P# \. v' n　　代码
/ W4 [2 b7 `% E, R4 o　　<connectionStrings configProtectionProvider="RsaProtectedConfigurationProvider">
　　<EncryptedData Type="http://www.w3.org/2001/04/xmlenc#Element"
) z* D3 h6 m* w/ B% R" `　　xmlns="http://www.w3.org/2001/04/xmlenc#"&gt;
+ k* ?: f' B% g' B# B8 \& o　　<EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#tripledes-cbc" />
* X1 a  z$ I4 S+ S" w9 i　　<KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#"&gt;
% G3 Z. U) F( z* D: ]　　<EncryptedKey xmlns="http://www.w3.org/2001/04/xmlenc#"&gt;
　　<EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-1_5" />
4 j' ^# w# N. D* L: h　　<KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#"&gt;
7 i, c' W* Y3 v' N0 k; P: p　　<KeyName>Rsa Key</KeyName>
2 P- _, \( O1 i5 \( f2 w! b　　</KeyInfo>
5 Y+ o, j& T5 }$ J! F, _　　<CipherData>
8 U. o' i9 p' p( p　　<CipherValue>FOkydQFNniZvq71ua4XapuVCUrJFOARkXeqqwyKFoP+NGXGewehxYW0zTzIn/j+YCvH/r6ABoE/AfWMMEDyr81R1mhi4ckXbiJ2BvW612/W7f7Wkqj+FDwse+lgAISHZ5HfspaY1LBvKYAu1VEm6Iu6NlT35TPnjxFf+p5Apf0E=</CipherValue>
　　</CipherData>
7 P) ^" w/ ^* d/ i& n& ]! F9 J6 A　　</EncryptedKey>
　　</KeyInfo>
　　<CipherData>
2 k" C( T$ P/ X+ Q9 ~6 K) [+ q: O; S0 y　　<CipherValue>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</CipherValue>
6 Z( G% G1 p" y. I  e8 D　　</CipherData>
　　</EncryptedData>
3 E( c, R- P0 K" S. }　　</connectionStrings>
% ]; D$ Y. C, j2 u7 d7 E　　完全看不到连接的信息！
　　下面是两个.bat批处理文件
+ @' Y  W, H/ `0 I　　加密：
　　@echo off
! \$ d1 v/ p4 A7 G$ a9 [9 E　　C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -pef "connectionStrings" "E:\code\proj\Web"
5 S& V+ S) X- }" C& w! f+ }　　解密：
4 W. o$ A  U& [, H: }' ]( o　　@echo off
　　C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -pdf "connectionStrings" "E:\code\proj\Web"
+ [, T, T# W' S5 J　　PAUSE
# x6 c6 r. y3 ]$ B　　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