Hello all,
I'm a master's student and for my final thesis I am writing a UEFI
Application/Driver.
In my UEFI Application/Driver I need to have access to a non volatile variable
that must be visible (write permission) only to my UEFI Application/Driver and
invisible (no read permission) for other drivers, applications or operating
systems.
Does UEFI provide any mechanism to create a non volatile variable (or some kind
of data storage) that is only accessible to my driver? Can I have some hints on
how to do this?
I have been reading about the Secure Boot secure variables and Key Managment
Service but, the first does not seem to provide reading protection and the
second does not specify read/write protections for the saved keys.
Regards
Miguel Rocha
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