On Fri, Jan 11, 2013 at 12:26:48PM -0800, H. Peter Anvin wrote:
> >
> >And there is nothing fancy to be done for EFI and SecureBoot? Or is
> >that something that the kernel has to handle on its own (so somehow
> >passing some certificates to somewhere).
> >
> 
> For EFI, no... other than passing the EFI parameters, which
> apparently is *not* currently done (David Woodhouse is working on
> it.)  Secure boot is still a work in progress.

For secureboot, as a first step in that direction, I just wrote some code
to sign elf executable and be able to verify it in kernel upon exec(). I
am soon planning to post RFC code (most likely next week).

Hopefully we will be able to sign statically signed /sbin/kexec, give
it extra capability (upon signature verification) to be able to call
sys_exec().

Thanks
Vivek

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