Signing kernel

Andy Whitcroft apw at
Wed Sep 25 13:47:40 UTC 2013

On Wed, Sep 25, 2013 at 01:50:58PM +0300, Dmitry Kasatkin wrote:
> Hello,
> How Ubuntu kernel signing is done?
> I am able to use "sbsing" to sign the kernel and boot it from UEFI
> boot manager or from other one like gummitboot.
> But my Ubuntu grub does not want to boot it..
> Just hangs..
> Any advises?

As far as I know that is the same proceedure as used to sign the
kernels.  They are signed using sbsign thought obviously using a secret
key that is specific to Ubuntu.  How does gummitboot allow you to add
your personal secret key for your kernels?


More information about the kernel-team mailing list