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本文实例讲述了C#加密app.config中连接字符串的方法。分享给大家供大家参考。具体如下:
连接字符串中包含数据库的访问信息,帐号和密码,因此一般不以明文显示,本代码用来加密连接字符串。
public static class EncryptConnection
{
public static void EncryptConnectionString(bool encrypt)
{
Configuration configFile = null;
try
{
// Open the configuration file and retrieve the connectionStrings section.
configFile = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
ConnectionStringsSection configSection = configFile.GetSection("connectionStrings") as ConnectionStringsSection;
if ((!(configSection.ElementInformation.IsLocked)) && (!(configSection.SectionInformation.IsLocked)))
{
if (encrypt && !configSection.SectionInformation.IsProtected)
//encrypt is false to unencrypt
{
configSection.SectionInformation.ProtectSection("DataProtectionConfigurationProvider");
}
if (!encrypt && configSection.SectionInformation.IsProtected)
//encrypt is true so encrypt
{
configSection.SectionInformation.UnprotectSection();
}
//re-save the configuration file section
configSection.SectionInformation.ForceSave = true;
// Save the current configuration.
configFile.Save();
}
}
catch (System.Exception ex)
{
throw (ex);
}
finally
{
}
}
}
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希望本文所述对大家的C#程序设计有所帮助。
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