[openpgp] Re: ML-KEM and ML-DSA secret key format

Simo Sorce <[email protected]>
Newsgroups gmane.ietf.openpgp
Organization Red Hat
Message-ID <[email protected]>
On Thu, 2025-02-27 at 17:01 +0000, Aron Wussler wrote:
> Given that some libraries don't like expanded formats, this makes a point for having the seed mandatory and the expanded optional (if we need both).

The problem here is how to deal with the case when the seed is not
available and only the expanded key is.

If you make the seed mandatory, then there is no point in having the
expanded key at all (you can always derive it from seed for import).

Of course you can simply decide openpgp will simply not be compatible
with this case, but it is unclear why you'd want that. I understand
having a preference, not sure I understand why a standard should be
explicitly "difficult".

Simo.

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

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