Minimal valid tls session?

Hubert Kario hkario at
Wed Sep 7 11:12:58 UTC 2022

On Tuesday, 6 September 2022 22:44:36 CEST, Christophe Lohr wrote:
> Hello,
>   what could be the minimal, but valid, tls session?
> (with the minimum number of bytes on the wires, but without 
> causing an error on the client side)
> I mean, just similar to the plain old Discard service, but for tls ;-)
> Could this be at the step of the Server Hello Response, or later?
> Well, this is probably stupid, but I'm curious...

resumption handshakes, closely followed by PSK handshakes, require least
amount of data to be transferred to establish a TLS connection

Hubert Kario
Principal Quality Engineer, RHEL Crypto team
Red Hat Czech s.r.o., Purkyňova 99/71, 612 45, Brno, Czech Republic

More information about the openssl-users mailing list