DH keys exchanged - encoding?

[Manik Surtani <manik.surtani%conchango.com@localhost>]

Hi,

Could anyone pls help by telling me how the DH pubkey from the server 
(f) is encoded when it is sent back to me?  I understand that it comes 
across as an mpint, but after I decode the mpint into the bytes that 
make up the number, what does this number represent?  Is it a X509 
encoded key?  Or is it something else?

The reason for my question:  I am trying to write a ssh client in Java, 
using JCE for the crypto.  When I get the server key, and use the raw 
bytes to create an X509EncodedKeySpec, I get errors relating to invalid 
data ...

Help appreciated.

Cheers,
--
Manik Surtani
Conchango
'Innovative Change in Business'

T 44 (0) 1784 221829
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