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Re: CYLINK's Support for Open Public Key Standards
>----------------------------------------------------------------------------
>
>CYLINK Corporation
>March 14, 1996
>
>
>The following is a copy of an announcement I made in the IPSEC
>and PKIX working group sessions at IETF Los Angeles. In response to
>numerous requests, I am posting a copy of the announcement to the
>applicable IETF working group mailing lists.
>
>-John Kennedy, CYLINK
>
>
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>
>CYLINK'S SUPPORT FOR OPEN PUBLIC KEY STANDARDS
>
>EXISTING AND PROSPECTIVE CYLINK LICENSEES OF THE STANFORD PUBLIC
>KEY PATENTS MAY SUPPLEMENT THEIR LICENSES IN ACCORDANCE WITH THE
>FOLLOWING STATEMENT.:
>
>
>ATTACHMENT "A"
>
>
>STATEMENT OF PATENT POSITION
>
>Cylink Corporation, through its wholly owned subsidiary Caro-Kann
>Corporation, holds exclusive sublicensing rights to the following
>U.S. patents owned by the Leland Stanford Junior University:
>
> Cryptographic Apparatus and Method
> ("Hellman-Diffie")......................... No. 4,200,770
>
> Public Key Cryptographic Apparatus and Method
> ("Hellman-Merkle")............. No. 4,218,582
>
>In order to promote the widespread use of these inventions
>from Stanford University and adoption of the [Name IETF Standard]
>reference by the IETF community, [Name of Licensee] has acquired
>the right under its sublicense from Cylink to offer the [Name IETF
>Standard] reference implementation to all third parties on a royalty free
>basis.
>
>This royalty free privilege is limited to use of the [Name IETF
>Standard] reference implementation in accordance with proposed,
>pending or approved IETF standards, and applies only when used with
>Diffie- Hellman key exchange, the Digital Signature Standard, or any other
>public key techniques which are publicly available for commercial
>use on a royalty free basis. Any use of the [Name IETF Standard] reference
>implementation which does not satisfy these conditions and incorporates
>the practice of public key may require a separate patent license
>to the Stanford Patents which must be negotiated with Cylink's
>subsidiary, Caro-Kann Corporation.
>
>
>For additional licensing information please contact:
>
> Robert Fougner
> Director of Licensing
> CYLINK Corporation
> 910 Hermosa Court
> Sunnyvale, CA 94086
> (408) 735-5893
>
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How does this apply to a non-profit organization (such as a university)
that wants to make a "reference implementation" of an IETF protocol (that
uses Diffie-Hellman) freely available? Under the RSAREF license, I
think this was possible, but has this changed things?
Dave
--
David B. Johnson E-mail: dbj@cs.cmu.edu
Assistant Professor Home page: http://www.cs.cmu.edu/~dbj
Computer Science Department Phone: (412) 268-7399
Carnegie Mellon University Fax: (412) 268-5576
5000 Forbes Avenue
Pittsburgh, PA 15213-3891
References: