Rotary apparatus for a gas turbine engine comprises a rotor assembly and first and second stator assemblies mounted coaxially with respect to each other. Some embodiments of the invention include a device that comprises a plurality of circuits. The system then tracks and manages requests from the recipients to access the message by permitting access when appropriate, performing activities such as decryptingencrypting the message if necessary, recording information about the access and about recipient instructions related to the message, archiving the message if necessary, and deleting the message when it is no longer needed.