Re: How to use Kex diffie-hellman-group-exchange-sha256 ?

[Tilo Eckert <tilo.eckert@xxxxxxx>]

This kex is not supported, only those listed in your log output.

Am 27.06.2018 um 08:57 schrieb Antenore Gatta:
> Hi all,
> 
> I'm trying to connect to a host using the Kex
> diffie-hellman-group-exchange-sha256 , but even if I force the Kex, I
> got this trace:
> 
>> [SSH] ssh_kex_select_methods: kex error : no match for method kex
>> algos: server [diffie-hellman-group-exchange-sha256], client
>> [curve25519-sha256@xxxxxxxxxx,ecdh-sha2-nistp256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1]
>> [SSH] ssh_connect: current state : 9
> 
> In fact the diffie-hellman-group-exchange-sha256 kex is nopt
> recognized:
> 
>> [SSH] SSH_OPTIONS_KEY_EXCHANGE does not have a valid value:
>> diffie-hellman-group-exchange-sha256 
> 
> Is there any special flag to enable
> diffie-hellman-group-exchange-sha256 at compile time? 
> 
> At the moment libssh, in our flatpak, is compiled with:
> 
>> -DCMAKE_BUILD_TYPE:STRING=Release
>> -DWITH_NACL:BOOL=ON
>> -DNACL_INCLUDE_DIR:PATH=/app/include/
>> -DNACL_LIBRARY:PATH=/app/lib/nacl/libnacl.a
>> -DWITH_EXAMPLES:BOOL=OFF
> 
> 
> Thanks in advance!!!
> 
> Best regards
> 
> Antenore
>