netdev - Re: [danmcd@....com: [Ipsec-tools-devel] SHA-2 and RFC 4868]

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Message-ID: <4A09305B.5040304@swiss-it.ch>
Date:	Tue, 12 May 2009 10:16:27 +0200
From:	Adrian-Ken Rüegsegger <rueegsegger@...ss-it.ch>
To:	Dan McDonald <danmcd@....com>
CC:	netdev@...r.kernel.org
Subject: Re: [danmcd@....com: [Ipsec-tools-devel] SHA-2 and RFC 4868]

> ----- Forwarded message from Dan McDonald <danmcd@....com> -----
> 
> Date: Thu, 07 May 2009 15:57:39 -0400
> From: Dan McDonald <danmcd@....com>
> To: ipsec-tools-devel@...ts.sourceforge.net
> Subject: [Ipsec-tools-devel] SHA-2 and RFC 4868
> User-Agent: Mutt/1.5.19 (2009-01-05)
> 
> Not sure if this is the most appropriate list for the topic, but I'm sure
> enough actual AH/ESP implementors hang out here.
> 
> I've noticed at least one other platform doesn't do SHA-2 per RFC 4868
> (half-sized hash truncation), and instead truncates the SHA-2 hashes to
> 96-bits like MD5 and SHA1.
> 
> Is this just me, or is there an unfixed kernel problem in other platforms'
> AH/ESP code?

This issues was discussed (but not resolved) a bit less than a year ago:

http://lkml.org/lkml/2008/6/5/141

Regards,
Adrian
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