[moheeb]

Back in the day it was often optional due to the additional processing that it required.

[derf_]

That was indeed a thing in the days before AES-NI or simply having 1.4 billion transistors on a chip.

But in my day we've been spending years fighting this sort of short-sightedness: https://www.ietf.org/mail-archive/web/rtcweb/current/msg0274...