Message Type,Used in Exchange,Purpose,Reference
0,Error,Error notification,[RFC9140]
1,All exchanges,PeerId and PeerState discovery,[RFC9140]
2,Initial,"Version, cryptosuite, and parameter negotiation",[RFC9140]
3,Initial,Exchange of ECDHE keys and nonces,[RFC9140]
4,Waiting,Indication to the peer that the server has not yet received an OOB message,[RFC9140]
5,Completion,NoobId discovery,[RFC9140]
6,Completion,Authentication and key confirmation with HMAC,[RFC9140]
7,Reconnect,"Version, cryptosuite, and parameter negotiation",[RFC9140]
8,Reconnect,Exchange of ECDHE keys and nonces,[RFC9140]
9,Reconnect,Authentication and key confirmation with HMAC,[RFC9140]
10-65535,Unassigned,,