Re: [Freedos-user] New mTCP available

[Louis S. <lps...@gm...>]

It was mentioned recently that ssh2dos was updated last year to include the
newer protocols.


https://github.com/AnttiTakala/SSH2DOS

Would be awesome to see if mTCP improved the networking throughput or
latency.

At some point I’d love sit down and try to get the mTCP ported to djgpp but
the last time I tried I was having issues managing the buffer space in and
out of the lower 1MB.



On Sat, Jul 16, 2022 at 2:49 AM Liam Proven <lp...@gm...> wrote:

> On Sat, 16 Jul 2022 at 01:13, Michael Brutman <mbb...@br...>
> wrote:
>
> > Computationally, SSH is not feasible on the 16 bit machines that I
> target for this project.
> > Even with enough compute power, you need to find DOS equivalents of all
> of the libraries.  Which includes the ciphers, key exchanges, etc.  And
> then you need to port those, and what they depend on to DOS.  Without
> introducing security holes.
> > SSH ciphers are a moving target.  What is acceptable today will be
> deprecated in a few years.  It is difficult to keep up.
>
> Agreed. Modern cryptography is one of the relatively few things that uses
> the large amount of bandwidth of modern CPUs.
>
> It's possible to run older versions of OpenBSD on 30+ year old DEC
> minicomputers, for example. It was dropped only because Theo de Raadt
> couldn't get modern VAXstation hardware to compile it on. I tried to
> donate a VAXstation 4000/90 to the project when I emigrated -- Red Hat was
> going to ship it to Canada from the UK for me.
>
> De Raadt changed his mind when he learned it wasn't the fastest model, and
> Red Hat Farnborough lost the machine. 😡
>
> Anyway, making new SSH keys on a VAX took as much as a couple of *days* in
> some instances.
>
> --
> Liam Proven ~ Profile: https://about.me/liamproven
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