ssh compat information

[Darren Tucker]

On Thu, 7 Nov 2024 at 07:55, Chris Rapier <rapier at psc.edu> wrote:
>[...]I had been using
> Blake2b512 for the hashing algorithm but I want to put in a path to use
> xxhash instead. Maintaining backward compatibility means I need to know
> something about the remote.

In the case of sftp at least, that sounds like a function of the
sftp-server not sshd, in which case could you advertise the capability
as an sftp extension?  (look for the SSH2_FXP_VERSION handling)

-- 
Darren Tucker (dtucker at dtucker.net)
GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860  37F4 9357 ECEF 11EA A6FA
    Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.