Hi everyone!
DKIMv2 will support PQC in the form of ML-DSA-44, which is great and very important for future
attacks by CRQCs. DKIM1 has not been updated since RFC 8463 and is considered insecure against
quantum adversaries.
Since users are unlikely to switch directly to DKIM2, my proposal is to add a PQ-secure variant to
DKIM1 as well (similar to Ed25519). I discuss the use of PQC in DKIM1, proposals for possible
algorithms, and the implementation in this I-D:
https://datatracker.ietf.org/doc/draft-buck-dkim-pq-dkim1/
I’d be grateful for any comments or feedback.
Bastian
--
Bastian Buck - Geschäftsführer
BWeb-SSL Services UG & Co. KG - 88512 Mengen - www.bweb-ssl.de
AG Ulm HRB 736203 - Geschäftsführende Komplementärin: BT computers & more UG
(haftbeschr.)
E-Mail: [email protected] - Webseite: www.bastian-buck.de
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