u2f seed

[David Lang]

On Fri, 3 Jan 2020, Stuart Henderson wrote:

> As said in James Bottomley's message and djm's reply, doing similar in
> ssh is not possible without significantly changing the protocol:
>
> https://lists.mindrot.org/pipermail/openssh-unix-dev/2020-January/038092.html

so how does Google change the protocol to support u2f?

not supporting authentication from multiple machines seems to defeat the purpose 
of adding u2f support.

David Lang