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Re: [Suit] WG: WGLC on draft-ietf-suit-firmware-encryption-14 due on September 11, 2023

David Brown <david.brown@linaro.org> Tue, 31 October 2023 16:56 UTC

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Date: Tue, 31 Oct 2023 10:55:41 -0600
From: David Brown <david.brown@linaro.org>
To: Michael Richardson <mcr+ietf@sandelman.ca>
Cc: Hannes Tschofenig <hannes.tschofenig@gmx.net>, suit@ietf.org
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Subject: Re: [Suit] WG: WGLC on draft-ietf-suit-firmware-encryption-14 due on September 11, 2023
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On Mon, Sep 11, 2023 at 03:14:06PM -0400, Michael Richardson wrote:

> 6. Per-device-type ES. Singly Encrypted firmware.
> 
>     >> Ditto comment about PIC becoming more and more common, and anyway, compile to
>     >> two different slots.
> 
>     > Where is PIC becoming more popular? Which RTOS supports PIC?
> 
> My impression is that it is often default for RIOS-OS, and/or RISC-V.
> My impression is that the problem has usually been compiler support.

I'd be curious to see more on this. As far as I know, RIOT-OS does not produce
position-indepenent images. I'm not actually aware of _any_ RTOS that does. It
is something that is doable, but not really a priority, as the images are
generally placed into flash at a specific address.

David

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