Re: Using Rust on non-Rust side of kernel

[Jarkko Sakkinen <jarkko@kernel.org>]

On Sun, Aug 24, 2025 at 02:41:06AM +0300, Jarkko Sakkinen wrote:
> doing "hybrid solutions". I'm only starting to learn of the 
> possible integration options. I.e. not even debating of anything,
> only learning.

I.e. I don't know what I'm doing, thus asking random questions :-)

I do know however that my implementation is somewhat solid piece of code
and with high odds best available implementation of TPM2 protocol
marshalling and unmarshalling, at least as per core architecture (needs
obviously still maturization, I wrote it all in three weeks).

It's also complex enough problem (as people have done somewhat unsuccessful
attempts for past decaede) that we don't want to solve it twice (i.e.
for TPM-RS and kernel). It's fully isolated from the context.

I've also talked with some companies and people working on e.g. keystores,
and they've fully grabbed the idea how something like this can be used
as interop layer (i.e. a keystore acting TPM2), which further supports
an import model for this code (while it can be installed through cargo
too).

It coverages TCG version 184 specs and my idea is that with a new vger
list future spec updates could be managed in controlled fashion, and
we can build a process for imports.

BR, Jarkko