From: David Schwartz <davids@webmaster.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>, <linux-kernel@vger.kernel.org>
Subject: Re: RFC2385 (MD5 signature in TCP packets) support
Date: Fri, 15 Mar 2002 15:13:59 -0800 [thread overview]
Message-ID: <20020315231400.AAA28257@shell.webmaster.com@whenever> (raw)
In-Reply-To: <E16m0vU-0004xU-00@the-village.bc.nu>
>Not only that MD5 shouldn't be the one. The crypto folks prefer SHA and for
>good reasons.
There is no problem with MD5 that makes it unsuitable for this particular
application. A SHA signature would enlarge each packet, further reducing the
effective MTU. This would increase the cost of what was intended to be a
simple mechanism to solve a specific problem (spoofed SYNs/RSTs).
What it comes down to is simply whether you care whether Linux machines can
interoperate with Cisco's BGP authentication scheme. This feature would be
very useful to me, so I personally do care, even if the scheme is not the
best possible scheme.
DS
next prev parent reply other threads:[~2002-03-15 23:14 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-15 22:36 RFC2385 (MD5 signature in TCP packets) support David Schwartz
2002-03-15 22:53 ` David S. Miller
2002-03-15 23:11 ` David Schwartz
2002-03-15 23:14 ` David S. Miller
2002-03-15 23:15 ` Alan Cox
2002-03-15 23:13 ` David Schwartz [this message]
2002-03-15 23:16 ` David S. Miller
2002-03-15 23:40 ` Alan Cox
2002-03-15 23:37 ` David S. Miller
2002-03-15 23:59 ` Alan Cox
2002-03-15 23:45 ` David S. Miller
2002-03-16 0:01 ` David Schwartz
2002-03-16 0:12 ` Alan Cox
2002-03-15 23:57 ` David S. Miller
2002-03-16 0:06 ` David Schwartz
2002-03-16 1:43 ` Alan Cox
2002-03-18 4:09 ` David S. Miller
2002-03-18 5:06 ` Mike Fedyk
2002-03-18 6:19 ` David S. Miller
2002-03-16 4:19 ` debugging eth driver Petko Manolov
2002-03-16 17:27 ` Alan Cox
2002-03-16 18:52 ` Petko Manolov
2002-03-16 20:56 ` Alan Cox
2002-03-17 1:36 ` Keith Owens
2002-03-17 3:37 ` Tomasz Kłoczko
2002-03-22 7:40 ` Cameron Simpson
2002-03-15 23:53 ` RFC2385 (MD5 signature in TCP packets) support David Schwartz
2002-03-15 23:54 ` David S. Miller
2002-03-16 0:14 ` Alan Cox
2002-03-17 10:00 ` bert hubert
2002-03-22 5:55 ` 2.5.7, IDE, 'handler not null', 'kernel timer added twice' David Schwartz
2002-03-22 6:10 ` Davide Libenzi
2002-03-22 10:59 ` Martin Dalecki
2002-03-22 20:13 ` Davide Libenzi
2002-03-23 13:12 ` Martin Dalecki
2002-03-22 6:31 ` Andre Hedrick
2002-03-15 23:19 ` RFC2385 (MD5 signature in TCP packets) support Alan Cox
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