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IPR Details
Thierry Moreau's statement about possible IPR claimed in RFC 4034 belonging to Xiao, Sihai of Freemont, California (inventor)

Submitted: August 18, 2005 under the rules in RFC 3979.

Note: Updates to IPR disclosures must only be made by authorized representatives of the original submitters. Updates will automatically be forwarded to the current Patent Holder's Contact and to the Submitter of the original IPR disclosure.

I. Possible Patent Holder/Applicant ("Patent Holder")

Holder legal name Xiao, Sihai of Freemont, California (inventor)

II. Contact Information for the IETF Participant Whose Personal Belief Triggered this Disclosure

Name Thierry Moreau
Other info

T: +1-514-385-5691

III. IETF Document or Other Contribution to Which this IPR Disclosure Relates

RFC4034 ("Resource Records for the DNS Security Extensions")

IV. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 3979

A. For granted patents or published pending patent applications, please provide the following information:

Patent, Serial, Publication, Registration, or Application/File number(s)

US patent application number 20020152382
Date: March 27, 2002
Country: United States

Notes: The claim 49 in this patent application is very broad and might be translated
from the X.509 context to the DNSSEC context with this claim text transposition:

A method for delivering DNSKEY RRs with associated trust information from a
secured parent DNS zone to a DNS resolver for verification of a DNSKEY RR by
said DNS resolver, comprising the steps of: providing a DS RR to said DNS
resolver; and providing as part of said DS RR a hash value of a public key
embedded in a DNSKEY RR that represents a trusted child DNS zone.

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending No

V. Contact Information of Submitter of this Form

Submitter name
Submitter email

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