[Twisted-Python] conch problem with ecdsa-sha2-nistp256 host key?

[Craig Rodrigues]

I'm not sure. I was able to use conch to log into a box where the ecdsa key
looked like this in my ~/.ssh/known_hosts

192.168.1.2 ecdsa-sha2-nistp256 XXXXXXXXXX

--

Craig



On Tue, Dec 20, 2016 at 4:10 PM, Glyph Lefkowitz <glyph at twistedmatrix.com>
wrote:

> It works:
>
> $ conch twistedmatrix.com echo hooray
> hooray
>       $ conch --version
> Twisted version: 16.6.0dev0
> $
>
>
> That's using an RSA host key though.  It seems that the hosts I have using
> ECDSA keys (buildbot.twistedmatrix.com, for example) still don't work
> with conch.  Is that expected at this point?
>
> -glyph
>
> On Dec 20, 2016, at 2:32 PM, Craig Rodrigues <rodrigc at crodrigues.org>
> wrote:
>
> On Friday, December 2, 2016, Glyph Lefkowitz <glyph at twistedmatrix.com>
> wrote:
>>
>> I think there might be a regression in 16.6.0.
>>
>> For every version up to 16.6.0, I can do 'conch twistedmatrix.com' in a
>> shell and it works fine.
>>
>
> I believe that I have fixed this in trunk.
> Can you try this with conch in trunk?
>
> This works for me in trunk:
>
> 1.  Start with an empty ~/.ssh/known_hosts file , or one with an ecdsa key
> for myhost.com
> 2.  ssh myhost.com
> 3.  log out of myhost.com
> 3.  see that ~/.ssh/known_hosts contains an ecdsa host key for myhost.com
> 4.  conch myhost.com
> 5.  successfully log into myhost.com with conch
>
> Before the latest fixes, I would get a bad host key error in step 5.
>
> Many thanks to the0id and acabhishek942 for providing the ecdsa fixes to
> conch.
>
> --
> Craig
>
> _______________________________________________
> Twisted-Python mailing list
> Twisted-Python at twistedmatrix.com
> http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python
>
>
>
> _______________________________________________
> Twisted-Python mailing list
> Twisted-Python at twistedmatrix.com
> http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: </pipermail/twisted-python/attachments/20161220/5f7abfcb/attachment-0002.html>