From: Tim Newsham <newsham@lava.net>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Cc: micah@stetsonnet.org
Subject: Re: [9fans] Secure ftp Again
Date: Mon, 4 Apr 2005 08:56:35 -1000 [thread overview]
Message-ID: <Pine.BSI.4.61.0504040854060.5105@malasada.lava.net> (raw)
In-Reply-To: <77158a75ac9ee53bb9de3e5763b11f16@collyer.net>
> Avoiding this was sort of thing was surely part of the motivation for
> IPsec, but presotto points out (I hope I'm not misrepresenting him)
> that implementing IPsec, at least in the kernel, is messy, requiring
> lots of state and the ability to interrupt and restart cryptographic
> computations at awkward times.
Most of the complexity in IPSEC lies in the key negotiation protocol.
The actual per-packet handling (encryption and authentication) is pretty
simple. The key negotiation protocols do not need to reside in the kernel,
in fact in most implementations they do not.
Tim Newsham
http://www.lava.net/~newsham/
next prev parent reply other threads:[~2005-04-04 18:56 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-02 23:11 Gregory Pavelcak
2005-04-03 3:05 ` Russ Cox
2005-04-03 5:05 ` lucio
2005-04-03 13:36 ` Russ Cox
2005-04-03 13:40 ` Devon H. O'Dell
2005-04-03 13:47 ` Russ Cox
2005-04-03 14:17 ` lucio
2005-04-03 23:05 ` geoff
2005-04-03 23:20 ` Russ Cox
2005-04-03 23:57 ` geoff
2005-04-04 1:05 ` geoff
2005-04-04 4:02 ` lucio
2005-04-04 11:57 ` Russ Cox
2005-04-04 2:17 ` Lyndon Nerenberg
2005-04-04 3:01 ` Micah Stetson
2005-04-04 4:12 ` lucio
2005-04-04 4:32 ` geoff
2005-04-04 11:09 ` C H Forsyth
2005-04-04 11:37 ` boyd, rounin
2005-04-04 11:51 ` Russ Cox
2005-04-04 23:40 ` geoff
2005-04-04 18:56 ` Tim Newsham [this message]
2005-04-03 21:06 ` Christoph Lohmann
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