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。
　　加密前的connectionStrings节点
. m; V3 u+ K6 T/ P　　代码
9 e  i) k" Z* E9 \; r. L! \　　<connectionStrings>
% j  \& V, A& y( q9 g2 }　　<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;"
　　providerName="System.Data.SqlClient" />
) X; E" f6 n3 x　　<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" />
( C& n- T* {; X! R9 m# |; P5 z　　<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;"
+ ~- W! \: H0 b3 p: M　　providerName="System.Data.SqlClient" />
　　</connectionStrings>
8 c$ B, ~' l) V1 u: X. B　　加密后的connectionStrings的节点
　　代码
　　<connectionStrings configProtectionProvider="RsaProtectedConfigurationProvider">
　　<EncryptedData Type="http://www.w3.org/2001/04/xmlenc#Element"
% @# t  p8 f+ U　　xmlns="http://www.w3.org/2001/04/xmlenc#"&gt;
* j; t" |- U, k/ T$ O. `# \1 T" s3 ~　　<EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#tripledes-cbc" />
* @+ e; `! W! {$ \9 v0 Q# Z$ j　　<KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#"&gt;
　　<EncryptedKey xmlns="http://www.w3.org/2001/04/xmlenc#"&gt;
" ]! H8 a$ A' g! J- ?) a! v" q　　<EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-1_5" />
( Y; [2 q! s! G) n# B　　<KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#"&gt;
$ T  M% i+ ~2 h4 v  A/ B3 p% P8 L( x　　<KeyName>Rsa Key</KeyName>
# S: r& r; K+ a- {: ?* S# e# t2 B, ], s　　</KeyInfo>
( h; t0 s3 I4 I! j. b　　<CipherData>
5 l6 B5 o; }9 L　　<CipherValue>FOkydQFNniZvq71ua4XapuVCUrJFOARkXeqqwyKFoP+NGXGewehxYW0zTzIn/j+YCvH/r6ABoE/AfWMMEDyr81R1mhi4ckXbiJ2BvW612/W7f7Wkqj+FDwse+lgAISHZ5HfspaY1LBvKYAu1VEm6Iu6NlT35TPnjxFf+p5Apf0E=</CipherValue>
* H" l  M: s8 U6 a3 c　　</CipherData>
5 Z3 R6 o* ]. s' }, k+ A　　</EncryptedKey>
7 Q1 C. a/ m- t4 V% _　　</KeyInfo>
* V& O0 o+ f; c, l& Z6 M　　<CipherData>
　　<CipherValue>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</CipherValue>
+ T4 A4 b& g8 Z8 n6 r2 e　　</CipherData>
　　</EncryptedData>
1 F" L5 b  a, m7 h: {4 O! A　　</connectionStrings>
- t. `) G  S/ l" V1 V  g　　完全看不到连接的信息！
1 z, L" _# J% l/ p3 M; Y6 k& O　　下面是两个.bat批处理文件
　　加密：
0 f: d/ i$ M, f. Y0 }5 L3 h0 |　　@echo off
6 Y8 Z' h* q. g& }) ~3 v5 b　　C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -pef "connectionStrings" "E:\code\proj\Web"
* i6 I9 O( C2 ~% m# l　　解密：
4 z4 w2 N1 b3 J" |( ^% n　　@echo off
　　C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -pdf "connectionStrings" "E:\code\proj\Web"
' ]: p; ?" a4 S: N* R- I+ x  V　　PAUSE
% X4 V. ^9 k3 c5 v+ y　　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