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Re: Looking for statement of patent issues re ISAKMP/Oakley

To: dharkins@cisco.com, pkoning@xedia.com
Subject: Re: Looking for statement of patent issues re ISAKMP/Oakley
From: Hugo Krawczyk <hugo@ee.technion.ac.il>
Date: Thu, 12 Mar 1998 16:49:14 +0200 (IST)
Cc: ipsec@tis.com
Sender: owner-ipsec@ex.tis.com


IBM US Patent 5,148,479 covers (or at least so say the lawyers)
some of the techniques used in the protocols (especially quick mode).
However, RFC1822 provides a "grant of rights" by IBM for usage of this
patent in key management of ipsec.

(The text is somewhat outdated as for its terminology, but still refers 
to "Photuris or derivatives" which should include IKE)

Hugo

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