Practical Collision Attack Against Long Key IDs in PGP

https://soatok.blog/2026/01/07/practical-collision-attack-against-long-key-ids-in-pgp/

9 points · 2 comments · view on lemmy.world

2 Comments

adespoton@lemmy.ca · -1 pts · 245d (1 reply)

It’s not a collision attack though; the person has to control both long key IDs.

Let me know when they can generate a collision against a known ID.

Natanael@infosec.pub · 4 pts · 245d

That IS a collision attack

You're talking about first preimage

https://en.wikipedia.org/wiki/Preimage_attack