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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
