Encrypting Custom Configuration Sections

The ASP.NET IIS Registration Tool (Aspnet_regiis.exe) can encrypt and decrypt sections of web.config. There is no special code required in an application, as ASP.NET 2.0 will magically decrypt sections at runtime.

The tool and runtime can also work together to encrypt and decrypt custom configuration sections. So if I have the following in web.config:

All I need to do from the command line, is:

It’s easier than a double pirouette…