Hi François,
The TF-A team members have thought about trying to explore the use of more
mitigations for Side Channel attacks along the lines of "Canary In the
Coalmine" type techniques to as you say build additional resilience and as you
can expect the techniques used by our peer TF-M project are one we would like
to explore. I would not say this is a plan as such but definitely something
already listed on our backlog. As to if the TF-M code can be reused that would
need to be explored more.
Cheers
Joanna
On 26/03/2021, 14:12, "TF-A on behalf of François Ozog via TF-A"
<tf-a-boun...@lists.trustedfirmware.org on behalf of
t...@lists.trustedfirmware.org> 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 a key mitigation element for companies that target PSA
level 3 compliance which means hardware attacks resilience.
I believe similar techniques need to be used in different projects
involved in Linux secure booting (TF-A, OP-TEE, U-Boot, Linux kernel).
Are there any efforts planned around this ?
Is it feasible to have a "library" that could be integrated in
different projects?
Cheers
FF
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