Re: [PATCH] KEYS: asym_tpm: Switch to get_random_bytes()

From: Mimi Zohar
Date: Wed Oct 02 2019 - 10:00:30 EST


On Thu, 2019-09-26 at 20:16 +0300, Jarkko Sakkinen wrote:
> Only the kernel random pool should be used for generating random numbers.
> TPM contributes to that pool among the other sources of entropy. In here it
> is not, agreed, absolutely critical because TPM is what is trusted anyway
> but in order to remove tpm_get_random() we need to first remove all the
> call sites.

At what point during boot is the kernel random pool available? ÂDoes
this imply that you're planning on changing trusted keys as well?

Mimi