Combining TLS and MLS: An experiment

We did a thing. We combined TLS and MLS into a hybrid protocol. Of course, when things get serious, full names are in order: We combined the Transport Layer Security protocol and the Messaging Layer Security protocol. This blog post is about the why and the how.

On the privacy of push notifications

Push notifications are a mechanism through which applications can send and display notifications to users of smartphones. The infrastructure that drives these notifications in the background is a complex mechanism and not without privacy issues.

RFC 9420 aka Messaging Layer Security (MLS) – An Overview

The Messaging Layer Security protocol has been published as RFC 9420, a standard by the IETF. MLS is the first standardized and fully specified end-to-end encryption protocol. The specification is freely accessible, and its security has been analyzed in academic publications.