C# connectionString encryption questions

Question

I am learning how to encrypt the ConnectionString for our C# (3.5) Application. I read the .Net Framwork Developer Guide (http://msdn.microsoft.com/en-us/library/89211k9b(VS

Answer 1

You only have to run the encryption process once. However, after generating the machine key, you need to propagate that in all the machine.config files in the target machines. The machine.config should be located here:

%FRAMEWORKDIR%\%FRAMEWORKVERSION%\CONFIG

How To: Configure MachineKey in ASP.NET 2.0 : This link has a section on configuring the config key decryptionKey="AutoGenerate,IsolateApps" validation="SHA1" decryption="Auto" /> and how to share this between machines.