Re: Checksummed environments

2018-04-12 Thread Kristian Amlie
On 12/04/18 10:33, Daniel Kiper wrote: > On Tue, Apr 10, 2018 at 11:09:33PM +0200, Daniel Kiper wrote: >> On Fri, Apr 06, 2018 at 03:08:23PM +0200, Kristian Amlie wrote: >>> On 06/04/18 14:35, Daniel Kiper wrote: >>>> On Fri, Apr 06, 2018 at 11:25:22AM +0200, Kris

Re: Checksummed environments

2018-04-06 Thread Kristian Amlie
On 06/04/18 14:35, Daniel Kiper wrote: > On Fri, Apr 06, 2018 at 11:25:22AM +0200, Kristian Amlie wrote: >> Hey, I work for Northern.tech, developing update software for embedded >> Linux devices. >> >> I have a question about GRUB's environment block: This block is

Checksummed environments

2018-04-06 Thread Kristian Amlie
Hey, I work for Northern.tech, developing update software for embedded Linux devices. I have a question about GRUB's environment block: This block is not checksummed, and hence I reckon it can become corrupt if power is lost in the middle of a write. This is an important safety criterion for us,