IPR Details
RSA's statement pertaining to draft-ietf-ipsec-properties

• Disclosure
• History

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	RSA Security Inc.

II. Patent Holder's Contact for License Application

Holder contact name	Linn, John
Holder contact email	jlinn@rsasecurity.com
Holder contact info	Attn: General Counsel RSA Security Inc. 36 Crosby Drive, Bedford, MA 01730, USA

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

Internet-Draft: draft-ietf-ipsec-properties ("Security Properties of the IPsec Protocol Suite") Notice: No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision at the time this disclosure was posted could not be determined. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.

IV. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 2026

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

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

Notes: RSA Security Inc. has submitted a patent application concerning client puzzles, a technique initially described in Juels and Brainard, "Client Puzzles: A Cryptographic Countermeasure against Connection Depletion Attacks", ISOC NDSS, 1999. Discussions within the IPsec WG have cited this technique and have considered incorporation of methods with similar properties, and the client puzzles concept has recently been referenced in draft-ietf-ipsec-properties-00.txt.

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending	Yes

V. Licensing Declaration

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):

Licensing	See Text Below for Licensing Declaration
Licensing information, comments, notes, or URL for further information	If use of client puzzles is incorporated into a future IPsec specification, and if the currently active application leads to an issued patent, RSA Security Inc. is willing to grant licenses to such patent under reasonable and non-discriminatory terms for purposes of implementing that IPsec specification.

Note: The individual submitting this template represents and warrants that he or she is authorized by the Patent Holder to agree to the above-selected licensing declaration.

VI. 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.