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IPR Details
The United States of America as represented by the National Security Agency's general license statement

Submitted: June 20, 2007 under the rules in RFC 3979 as updated by RFC 4879.

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. Patent Holder/Applicant ("Patent Holder")

Holder legal name The United States of America as represented by the National Security Agency

II. Patent Holder's Contact for License Application

Holder contact name William T. Newbill
Holder contact email
Holder contact info

NSA Research Partnerships, National Security Agency
T: 240-373-6728

III. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 3979 as updated by RFC 4879

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

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

Date: December 7, 2004
Country: USA

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending No

IV. Statement


The Patent Holder states that its position with respect to licensing any patent claims
contained in the patent(s) or patent application(s) disclosed above that would necessarily
be infringed by implementation of the technology required by the relevant IETF
specification ("Necessary Patent Claims"), for the purpose of implementing such
specification, is as follows(select one licensing declaration option only):

See text box below for licensing declaration.

Licensing information, comments, notes or URL for further information:

The U.S. Government holds U.S. Patent 6,829,355 on the "Device for and method
one-way cryptographic hashing", which has been incorporated into Federal
Information Processing Standard (FIPS) 180-2. This patent was issued on
December 7, 2004. The National Security Agency has made U.S. Patent 6,829,355
available royalty-free.

V. Contact Information of Submitter of this Form

Submitter name
Submitter email

Only those sections of the relevant entry form where the submitter provided information are displayed above.