[1642] in WWW Security List Archive
Cylink's Support for Open Public Key Standards
daemon@ATHENA.MIT.EDU (John Kennedy)
Thu Mar 14 16:53:51 1996
Date: Thu, 14 Mar 1996 10:52:51 -0800
From: jkennedy@netcom.com (John Kennedy)
To: www-security@ns2.rutgers.edu
Errors-To: owner-www-security@ns2.rutgers.edu
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CYLINK Corporation
March 12, 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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