Re: Tcpdump and 3des packets

From: hvdkooij@vanderkooij.org
Date: 09/21/01 

From: hvdkooij@vanderkooij.org
Date: Fri, 21 Sep 2001 09:23:03 +0200 (CEST)
To: Focus on Linux Mailing List <focus-linux@securityfocus.com>
Subject: Re: Tcpdump and 3des packets
Message-ID: <Pine.LNX.4.33.0109210921030.19827-100000@ultra1.hugo.vanderkooij.org>

On Mon, 17 Sep 2001, Anthony Baxter wrote:

> has anybody been able to use tcpdump to decrypt 3des packets, i am trying to
> vpn between freeswan and vpn 1, i need to look at these packets but tcpdump
> WILLNOT compile with crypto support

And just how do you think you can decode 3DES packets just like that?

> What are my options are there other sniffers that can decode 3des ???

You may try the NSA and see if they can crack the case. But I have a
feeling you are missing the point of encryption.

Hugo. 

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