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Re: Certicom IP Statement Regarding IKE



Does that mean include group1, 2 in RFC 2409 ? They are all well-known and have been used for years.

Jianhua

On Wed, Feb 04, 2004 at 01:36:05PM -0500, Russ Housley wrote:
> Dear IPsec WG:
> 
> The attached note was just sent to statements@ietf.org, and it should 
> appear on the IPR web page shortly.
> 
> Russ
> 
> = = = = = = = = = =
> 
> Dear Sir or Madam:
> 
> We wish to advise the IETF that Certicom believes it has rights
> under patents and pending applications that relate to RFC 3526
> "More Modular Exponential (MODP) Diffie-Hellman Groups for
> Internet Key Exchange (IKE)", RFC 2409 "Internet Key Exchange",
> Internet Draft (draft-ietf-ipsec-ikev2-12.txt) "Internet Key
> Exchange (IKEv2) Protocol" and other IETF specifications using
> MODP Groups (individually and collectively the "IKE
> Specifications").  The applicable patents and applications
> include, but are not limited to, US Patents #5,933,504,
> #6,563,928, #6,078,667, #6,178,507, #6,195,433, US Patent
> Application Publications #2001/0014153, #2002/0090085,
> #2001/0021256, and any corresponding foreign applications.
> 
> Certicom will, upon written request, provide a nonexclusive,
> royalty-free patent license, with reasonable terms and
> conditions, under those patents issued to Certicom that contain
> claims essential to the IKE Specifications and for which
> Certicom is able to provide patent licenses, within the limited
> field of use of MODP public key cryptography implemented using
> the well known Groups 1 and 2 as defined in RFC 2409. This
> patent license is available to all entities willing to grant
> Certicom a reciprocal license.
> 
> Any party wishing to request a patent license should write to:
> 
> Tony Rosati
> VP of Intellectual Property & Licensing
> Certicom Corp.
> 5520 Explorer Drive, 4th Floor
> Mississauga, ON L4W 5L1
> Tel:(613) 254-9265
> 
> email: trosati@certicom.com