Re: How to add metadata to device-trees

2021-05-03 Thread Joakim Bech
Hi Heinrich, On Sun, May 02, 2021 at 07:55:09PM +0200, Heinrich Schuchardt wrote: > Dear all, > > in the DTE meetings we have been discussing how we should add signatures > to device-trees. > > Due to the way how libfdt adds properties the sanest place to add > metadata is before the memory rese

Re: Glitching protection

2021-03-29 Thread Joakim Bech
On Mon, Mar 29, 2021 at 03:02:21PM +0200, François Ozog wrote: > On Mon, 29 Mar 2021 at 14:46, Heinrich Schuchardt > wrote: > > > On 29.03.21 09:40, Joakim Bech wrote: > > > Hi, > > > > > > On Fri, Mar 26, 2021 at 07:36:34PM +0100, Heinrich Schuchardt

Re: Glitching protection

2021-03-29 Thread Joakim Bech
Hi, On Fri, Mar 26, 2021 at 07:36:34PM +0100, Heinrich Schuchardt wrote: > On 26.03.21 15:12, François Ozog wrote: > > Hi > > > > Trusted Firmware M recently introduced protection against glitching at > > key decision points: > > https://github.com/mcu-tools/mcuboot/pull/776 > > > > To me this is

Fwd: There’s a Hole in the Boot - Eclypsium

2020-07-30 Thread Joakim Bech
Hi, Yet another security issue surfaced yesterday, see this blog post about it https://eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/ When I was reading it I cannot avoid seeing similarities to what I've tried to raise in the DT(E) discussions. I.e., firmware run-time exploits running after

Re: [DTE] May 27th call agenda

2020-05-20 Thread Joakim Bech
On Mon, May 18, 2020 at 10:12:59PM +0530, CVS wrote: > > but nothing came up on the right hand side > Hmmm... Sorry about that. I had the same issue initially, but I believe doing 'chmod' did the job. I now have dtv-demo up and running. I think this tool and the idea is a really great thing, thanks

Re: [DTE] May 27th call agenda

2020-05-13 Thread Joakim Bech
On Wed, 13 May 2020 at 20:48, CVS wrote: > > Android DT overlay presentation next call > If folks are interested and time permits, > i would like to demo - Device Tree Visualiser. > > It is a tool i have written to manage complex hierarchies of device trees. > (like the ones in Android / OEM vend

Re: [EXT] Securing the boot flow in U-Boot

2019-05-31 Thread Joakim Bech
Hi Grant, On Fri, May 31, 2019 at 12:03:42PM +, Grant Likely wrote: > > > On 27/05/2019 10:05, Ilias Apalodimas wrote: > > Hi Udit, > >> Hi Ilias > >> > >>> -Original Message- > >>> From: Ilias Apalodimas > >>> Sent: Friday, May 24, 2019 9:57 PM > >>> To: Udit Kumar > >>> Cc: boot