David Howells <dhowells@xxxxxxxxxx> wrote: > Takashi Iwai <tiwai@xxxxxxx> wrote: > > > this is a patch series to add the support for firmware signature > > check. At this time, the kernel checks extra signature file (*.sig) > > for each firmware, instead of embedded signature. > > It's just a quick hack using the existing module signing mechanism, > > thus provided only as a proof of concept for now. > > There is another way to do this. If you look at the patches I proposed to > wrap keys in PE binaries, you'll find that that can handle PKCS#7 format > messages as that's what's in the sort of signed PE binary we're dealing with. See: http://git.kernel.org/?p=linux/kernel/git/dhowells/linux-modsign.git;a=shortlog;h=refs/heads/devel-pekey > You could use this to put the firmware inside a signed-data PKCS#7 message. Note that the ASN.1 decoder in the kernel would need altering to handle messages larger than 64KB. David -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
