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Date: Fri, 21 Jun 2013 10:35:04 +0200
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: Heinrich Schuchardt <xypron.glpk@gmx.de>, 240@bugs.x2go.org
Cc: control@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#240: ecdsa-sha2-nistp256 not supported
References: <51BE1119.4030004@gmx.de>
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merge #240 #106
thanks

Hi Heinrich,

On So 16 Jun 2013 21:25:13 CEST Heinrich Schuchardt wrote:

> What I observed is that the entries in known_hosts created by ssh  
> that are not supported contain a string ecdsa-sha2-nistp256 instead  
> of ssh-rsa.
> Hashed entries with ssh-rsa are supported.
>
> readelf -d /usr/bin/x2goclient
> |does not show a dependency on libcrypto which contains the elliptic  
> curve cryptography functions while
> readlef -d /usr/bin/ssh
> shows such a dependency.|

The problem actually is that there is no ECDSA key support in libssh2  
(which is used by X2Go Client). Unfortunately, most recent (Open)SSH  
implementation do use ECDSA as the default key type.

Thus, I will merge this bug report with #106 which tackles the same problem.

Thanks+Greets,
Mike (who is waiting desperately for the libssh2 developers to  
implement ECDSA)


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