Bundled Authenticated Key Exchange: A Concrete Treatment of (Post-Quantum) Signal's Handshake Protocol
Conference talk presenting the BAKE framework for Signal's handshake protocols, covering X3DH, PQXDH, and the fully post-quantum RingXKEM.
Bundled Authenticated Key Exchange: A Concrete Treatment of (Post-Quantum) Signal's Handshake Protocol
The Signal protocol relies on a special handshake protocol, formerly X3DH and now PQXDH, to set up secure conversations. Prior analysis of these protocols (or proposals for …
Shuichi Katsumata