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Penetration Testing: Re: How to decrypt a connection SSH v2?

Re: How to decrypt a connection SSH v2?

From: Ulises2k <ulises2k_at_gmail.com>
Date: Thu, 10 Jul 2008 11:14:10 -0300

But I have all session sniffed.(tcpdump)
No only private and public keys.
Can I decrypt the session?

--
Ulises U. Cuñé
Web: http://www.ulises2k.com.ar
On Thu, Jul 10, 2008 at 01:00, Paul Melson <pmelson_at_gmail.com> wrote:
> On Wed, Jul 9, 2008 at 10:05 PM, Ulises2k <ulises2k_at_gmail.com> wrote:
>> Hi,
>> How to decrypt a connection SSH v2?
>>
>> I have the private and public keys.
>>
>> I have all sesion sniffed.
>
> I'm afraid that's not enough.  SSH implements forward secrecy [1],
> which means that the server uses temporary (or ephemeral) keys to
> encrypt the session traffic.  Having the the private key doesn't give
> you the ability to reverse the ephemeral keys and actually decrypt
> session data.
>
> PaulM
>
> [1] http://en.wikipedia.org/wiki/Perfect_forward_secrecy
>
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Received on Jul 10 2008
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