The actual delta-t protocol spec has historically been quite hard to find, but is freely available from here: https://www.osti.gov/biblio/5542785 https://www.os

The actual delta-t protocol spec has historically been quite hard to find, but is freely available from here: https://www.osti.gov/biblio/5542785 https://www.osti.gov/biblio/5542785 Also related and of interest in this connexion: CurveCP and its handshake, https://curvecp.org/packets.html https://curvecp.org/packets.html