How does ssh-agent works (bits and bytes in the protocol)?

Описание: Related specifications:

ssh-agent:
https://datatracker.ietf.org/doc/html...

some encodings are defined here:
https://datatracker.ietf.org/doc/html...

reasoning of the openssh binding extension:
https://github.com/openssh/openssh-po...

protocol of the openssh extension:
/PROTOCOL.agent#L6
https://www.openssh.com/agent-restric...