ASP.NET Machine Key Generator
This tool will generate a valid random machine key used by ASP.NET for encryption,
decryption, validation of forms-authentication and view-state data, and other
Select your target version of ASP.NET and click the Generate Keys button. You
can then copy the result and paste it into the <system.web> section of
your web.config file.
For more information about ASP.NET machine keys, check out the
element on MSDN.
The code used for this resource is presented in the article Generating a <machineKey> Element.