Group Encryption with Sender Keys: How Does LGS1 Work?
Understand key distribution, per-message costs and membership changes in Sender Key architecture, alongside the documented boundaries of LGS1 and its scaling limits.
Field note
THE LIVARA BLOG / PRIVACY & TECHNOLOGY
A more private internet. A little more understood.
Ideas, explainers, and useful questions about encryption, private messaging, and the technology in your everyday life.
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LGS1
MLS RFC 9420 vs Livara LGS1: Comparing Group Encryption Designs
MLS uses tree-based group key agreement; Livara describes a sender-key design. Compare membership changes, recovery, overhead and evidence without a false winner.
News
Encrypted Group Chat Bandwidth: Sender Keys and LGS1
How do sender keys reduce group-message upload work? Understand setup costs, rekeying, server fan-out and what Livara documents about LGS1.
Field note
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