Re: [GIT PULL] Load keys from signed PE binaries

Kent Yoder
2013-02-26T16:46:02Z

On Tue, Feb 26, 2013 at 4:21 AM, Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> On Tue, Feb 26, 2013 at 02:07:22AM -0800, Raymond Jennings wrote:
>> Just curious here, but is this as much of an issue if a user is
>> somehow able to take ownership of his own machine?
>
> No, if you're doing your own key management then it's no problem at
> all.
>
>> I'm assuming this is related to TPM somehow.
>
> No, completely unrelated.

Almost completely. As Matthew I'm sure knows, TPM is also used to
establish a chain of trust, but not using signed
firmware/kernel/modules, but chained hashes that are later signed
using the TPM. It does avoid the issue of embedding keys from a
centralized authority in your box's firmware.

Kent

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> Matthew Garrett | mjg59@srcf.ucam.org
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