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Re: proposed changes to ISAKMP/Oakley

To: Daniel Harkins <dharkins@cisco.com>
Subject: Re: proposed changes to ISAKMP/Oakley
From: Michael Bungert <Michael.Bungert@mchp.siemens.de>
Date: Tue, 14 Oct 97 18:31:50 PDT
Cc: ipsec@tis.com
In-Reply-To: <199710122213.PAA24340@dharkins-ss20>
References: Conversation <199710122213.PAA24340@dharkins-ss20> with last message <199710122213.PAA24340@dharkins-ss20>
Sender: owner-ipsec@ex.tis.com

In "proposed changes to ISAKMP/Oakley", Daniel Harkins wrote:

>   * added 2 new optional Diffie-Hellman groups, a EC2N group with field
> 	element size 155 and a EC2N group with field element size 185.
> 

Hi Dan,

I suggest to add not only EC2N groups but also elliptic curve 
groups over GF[p] with an odd prime p because these curves seem 
to be more favourable: EC groups over GF[p] can easily be 
implemented by using only ordinary modular arithmetic originally 
developed for RSA for example. Furthermore in contrast to char 2, 
use of this type of curves seems to be widely free of patents.

Michael

Follow-Ups:

Re: proposed changes to ISAKMP/Oakley

From: Lewis McCarthy <lmccarth@cs.umass.edu>

References:

proposed changes to ISAKMP/Oakley

From: Daniel Harkins <dharkins@cisco.com>

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