Firmware signing -- Re: [PATCH 00/27] security, efi: Add kernel lockdown

[David Howells]

Mimi Zohar <zohar at linux.vnet.ibm.com> wrote:

> > Only validly signed device firmware may be loaded.
> 
> fw_get_filesystem_firmware() calls kernel_read_file_from_path() to
> read the firmware, which calls into the security hooks. Is there
> another place that validates the firmware signatures.  I'm not seeing
> which patch requires firmware to be signed?

Luis has a set of patches for this.  However, I'm not sure if that's going
anywhere at the moment.  Possibly I should remove this from the manpage for
the moment.

David
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