[Hampshire] Ssh/sftp/scp vulnerability

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Auteur: Ottavio Caruso
Date:  
À: hampshire
Sujet: [Hampshire] Ssh/sftp/scp vulnerability
Hello people,

a colleague writes:

<talking about ssh cipher algorithms>

"The initial connection always has to setup a secure channel to swap
transport encryption keys. If you can grep these keys you know how to
un-encrypt the data stream."

Has he got a point?

I think the refers to man-in-the-middle. I think you have to be very
quick to sniff the key and I also though that the keys cannot be reused
for a different session.

Am I totally wrong?

--
Ottavio Caruso
http://www.pledgebank.com/boycottvista