Re: [PATCH v3 00/14] KEYS: Add support for PGP keys and signatures

Herbert Xu
2024-09-13T09:00:43Z

On Fri, Sep 13, 2024 at 10:30:11AM +0200, Roberto Sassu wrote:
>
> The second problem is, assuming that the task is verified through other
> means other than PGP (but again, we are still relying on the public
> crypto functionality to be performed by the kernel, for this to work),
> that I didn't get a confirmation that user space can have equivalent
> isolation guarantees as the kernel:
>
> https://lore.kernel.org/linux-integrity/eb31920bd00e2c921b0aa6ebed8745cb0130b0e1.camel@huaweicloud.com/
>
>
> Please, keep in mind that I already proposed what you suggested:
>
> https://lore.kernel.org/linux-kernel/20230317145240.363908-1-roberto.sassu@huaweicloud.com/#r
>
>
> After discussing with some kernel developers, the outcome was that a
> better choice would be to put the code in the kernel, if I want
> reasonable tamperproof guarantees.

Where is this discussion? I clicked through the two links above
and everyone seems to agree that putting it in user-space is a good
idea.

Thanks,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt