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    SubjectRe: [GIT PULL] Load keys from signed PE binaries
    On Thu, Feb 21, 2013 at 08:32:54PM +0000, Matthew Garrett wrote:
    > On Thu, Feb 21, 2013 at 03:31:19PM -0500, Vivek Goyal wrote:
    > > On Thu, Feb 21, 2013 at 10:56:44AM -0800, Linus Torvalds wrote:
    > >
    > > [..]
    > > > So no. The PE file thing makes no sense what-so-ever. What you mention
    > > > we can already do, and we already do it *better*.
    > >
    > > IIUC, PE/COFF signature verification bits can be useful for verifying
    > > the signature of PE/COFF signed bzImage. This verification will be
    > > required before kexec decides to load the kernel.
    >
    > Only if the kexec validation's being done in kernel. We'd need agreement
    > on that before it's a justification.

    Even if /sbin/kexec does bzImage validation I think it will require
    kernel's help. (This is assuming that only /sbin/kexec is signed and we
    can't trust user space crypto libraries).

    Thanks
    Vivek


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