Posted on August 12, 2025 by Evgeny Poberezkin Tags: security, internet This essay is purposefully provocative. It has no intention to offend anybody. I appreciate that many people worked very hard designing and implementing MLS (Messaging Layer Security), and many of them have a fervent belief that MLS is a necessary technology. But the value of the technology is not determined by how much was invested, nor by who supports it. The value of technology comes from effectively solving problems f...| Evgeny Poberezkin
Messaging applications are increasingly making use of end-to-end security mechanisms to ensure that messages are only accessible to the communicating endpoints, and not to any servers involved in delivering messages. Establishing keys to provide such protections is challenging for group chat settings, in which more than two clients need to agree on a key but may not be online at the same time. In this document, we specify a key establishment protocol that provides efficient asynchronous group...| www.rfc-editor.org