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。
  Z! Y* L7 D# ^5 J+ W4 y+ ]/ I2 ]　　加密前的connectionStrings节点
1 A: K2 l7 M9 J, \4 g　　代码
5 L! d! D' {. H% H$ B: `3 r　　<connectionStrings>
' O- B) P8 T& E6 \7 f　　<add name="SQLConnString1" connectionString="server=WJW-PC\SQL2008;user id=sa;password=12345;Initial Catalog=dbFASH;min pool size=4;max pool size=400;" />
4 q  m5 x  D# |5 X3 W6 h! [% n　　<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;"
% o9 @" E( h4 m. b' ^　　providerName="System.Data.SqlClient" />
: r, ?6 K; |! v0 @: N　　<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" />
　　<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>
' a3 S7 g6 s. T6 \2 ]! r- `　　加密后的connectionStrings的节点
6 F7 ~+ D0 g1 {# i) ~) K　　代码
　　<connectionStrings configProtectionProvider="RsaProtectedConfigurationProvider">
　　<EncryptedData Type="http://www.w3.org/2001/04/xmlenc#Element"
9 x, x0 t- W% F' Y　　xmlns="http://www.w3.org/2001/04/xmlenc#"&gt;
9 x" F, E6 Y, W; A5 f2 [, G　　<EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#tripledes-cbc" />
) @8 o: J. ?: n. a% q　　<KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#"&gt;
0 P, O1 c" l/ X1 r% A　　<EncryptedKey xmlns="http://www.w3.org/2001/04/xmlenc#"&gt;
　　<EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-1_5" />
% i0 h, B5 Z$ w( ?: {, _　　<KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#"&gt;
　　<KeyName>Rsa Key</KeyName>
8 k  j  ^/ C6 W  m; N. J) u　　</KeyInfo>
, Z' N. \  Y* S# w0 y3 q9 P　　<CipherData>
　　<CipherValue>FOkydQFNniZvq71ua4XapuVCUrJFOARkXeqqwyKFoP+NGXGewehxYW0zTzIn/j+YCvH/r6ABoE/AfWMMEDyr81R1mhi4ckXbiJ2BvW612/W7f7Wkqj+FDwse+lgAISHZ5HfspaY1LBvKYAu1VEm6Iu6NlT35TPnjxFf+p5Apf0E=</CipherValue>
　　</CipherData>
　　</EncryptedKey>
　　</KeyInfo>
　　<CipherData>
　　<CipherValue>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</CipherValue>
( D8 {; p( k- X　　</CipherData>
+ g) F* P0 S, t8 @2 g- z* \　　</EncryptedData>
1 @. G4 P! |* S- X- M7 M3 }　　</connectionStrings>
　　完全看不到连接的信息！
0 o; O$ y( h, D* I' |$ f* U2 ^　　下面是两个.bat批处理文件
" m5 C9 A" _' J: I6 D3 f9 D0 P0 R# Q　　加密：
. k% j8 N- \+ g2 W　　@echo off
/ ~- Q, K7 m8 b! N　　C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -pef "connectionStrings" "E:\code\proj\Web"
* [. A& [3 X- ?" t2 k　　解密：
( ]7 S( T+ K8 `0 v" U# A3 r　　@echo off
　　C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -pdf "connectionStrings" "E:\code\proj\Web"
5 @* o( u" \7 f! {7 u2 W2 a$ o9 q$ ~　　PAUSE
8 f# [% V% I5 ^# D5 [3 r! e　　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