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SubjectRe: [PATCH v10 2/7] KEYS: trusted: allow use of kernel RNG for key material
On Fri, May 13, 2022 at 04:57:00PM +0200, Ahmad Fatoum wrote:
> + trusted.rng= [KEYS]
> + Format: <string>
> + The RNG used to generate key material for trusted keys.
> + Can be one of:
> + - "kernel"
> + - the same value as trusted.source: "tpm" or "tee"
> + - "default"
> + If not specified, "default" is used. In this case,
> + the RNG's choice is left to each individual trust source.
> +

As a general mechanism, I object to this. The kernel's RNG must be
trusted in the first place for key material. That's the whole point of

However, it sounds like you're not proposing a general mechanism, but
just something particular to this "trusted keys" business. In that case,
this should be a module flag, and thus not documented here, but rather
some place namespaced to your trusted keys stuff. "trusted_keys.preferred_rng={whatever}"


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