The last few years have seen a global uptake in secure messaging. It is only very recent that billions of users have gained access to some form of secure messaging, through WhatsApp, Facebook Secure Conversations, Signal, and many others. Recently, a new IETF Working Group (MLS) was started to develop an open strongly secure messaging standard in the future. These strongly secure messaging tools build on novel cryptographic constructions, and several theoretical challenges remain for secure messaging, for example in the group setting. Thus, secure messaging is highly interesting for academic research but offers also a unique opportunity to contribute to upcoming new standards.

The Workshop on Secure Messaging will include talks from a range of experts in the field. The workshop aims to inform its attendees about the state-of-the-art in secure messaging, and help guide the future theoretical developments. By bringing together both practitioners and theoreticians, the practitioners can inform the cryptographers of real-world constraints and concerns, and vice versa, the cryptographers can offer insights in (im)possibilities.

The workshop is co-located with EuroCrypt in Darmstadt in Germany, and held on Saturday May 18. The workshop includes a range of invited speakers, and attendance is open for anyone who is registered.


The workshop will be held in room (t.b.d.).


Please do not forget to register!


The tentative schedule is:

08:30-09:00 Registration opens
09:00-09:45 t.b.d.
09:45-10:30 Raphael Robert (Wire)
10:30-11:00 Coffee break
11:00-11:45 Ania Piotrowska (UCL)
11:00-12:30 Paul Roesler (RUB)
12:30-14:00 Lunch
14:00-15:30 Yevgeniy Dodis (NYU)
14:00-15:30 Paul Grubbs (Cornell)
15:30-16:00 Coffee break
16:00-17:30 Discussion and wrap up

We hope to see you all there!

Karthik Bhargavan & Cas Cremers