ENS Lyon Monthly Lattice and Crypto Meetings

Fabien Laguillaumie, Benoît Libert and Damien Stehlé are organising “soft-monthly” (that’s a word!) meetings on lattice cryptography which look very nice. Below the announcement from the c2 list slightly edited for style.

Dear all,

We are setting up a “soft-monthly” meeting on lattices and cryptography, at ENS Lyon. The meetings will consist of several talks on related topics, with a format that will hopefully encourage interactions (blackboard, long time slots).

The first meeting, on September 30th and October 1st, will be on Lattice-based and code-based group signatures.

Tentative program

We 30/09, 2:30pm – 3:30pm: Benoît Libert

Tutorial on group signatures

We 30/09, 4:00pm – 5:30pm: Khoa Nguyen

Group signatures from lattices: simpler, tighter, shorter, ring-based

Th 01/10, 10:15am – 11:15am: Khoa Nguyen

A provably secure group signature scheme from code-based assumptions

Th 1:30pm -3:00pm: Philippe Gaborit

Dynamic traceable signature on lattices with non-frameability property

Th 3:30pm – 5pm: Fabrice Mouhartem

Lattice-based group signatures for dynamic groups


ENS de Lyon, Monod campus, main building, level 1, room 116.


Everyone is welcome. Two caveats:

  1. speakers are told the audience is somewhat familiar with lattices and crypto
  2. please send me (damien.stehle_AT_ens-lyon.fr) an email, so that the size of the room fits with the number of participants.


You may contact




Best regards Damien

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