[openpgp] Re: WGLC for draft-ietf-openpgp-pqc

On Wed, 2025-05-14 at 17:44 +0100, Stephen Farrell wrote:
> Hiya,
> 
> On 14/05/2025 17:35, Simo Sorce wrote:
> > When using HW tokens with small storage it may be required to be able
> > to use the same private key for multiple signature schemes
> 
> Is that really a real use-case?
> 
> Modern tokens can store many private keys, so it seems a bit of
> a stretch to me. (And using the same private value with different
> alg ids seems ickky.)

Things may have changed, but until recently I could store only up to 3
openpgp keys on a Yubikey.

But even if this limitation goes away I do not see a way to enforce
such a rule with a MUST so it is kind of academic to me.

Simo.

-- 
Simo Sorce
Distinguished Engineer
RHEL Crypto Team
Red Hat, Inc

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