IPR Details
Eric Rescorla's Statement about IPR related to draft-hajjeh-tls-identity-protection-07 belonging to GROUPE DES ECOLES DES TELECOMMUNICATIONS - ECOLE NATIONALE SUPERIEURE DES TELECOMMUNICATIONS

Submitted: November 26, 2008 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. Possible Patent Holder/Applicant ("Patent Holder")


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

Name Eric Rescorla
Email ekr@rtfm.com
Other info

Principal Engineer
RTFM, Inc.
2064 Edgewood Drive
F: 650 678-2350

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

Internet-Draft: draft-hajjeh-tls-identity-protection ("Credential Protection Ciphersuites for Transport Layer Security (TLS)")
Revisions: 07

IV. 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)

WO/2007/115982 PCT/EP2007/053268
Date: 03.04.2007
Country: France

Notes: This patent is in French. However, the initial diagram and diagram 2 match this draft. In addition, the following is a rough translation of Claim 1:

1. Method of authentication of a terminal client by an authentication
server, said terminal client in possession of an authentication
certificate, characterized in that distinct phases are understood

- obtaining at least one cryptographic parameter from said terminal client,
- encrypting said certificate by said terminal client, at least partly
based on said cryptographic parameter, resulting in an encrypted
authentication certificate,
- transmitting said encrypted authentication certificate to the server,
- obtaining said encryption parameter at said server,
- decrypting said encrypted authentication certificate at least partly
based on said encryption parameter,
- authenticating and delivering the statement of authentication if
the authentication has been positive.

B. Does this disclosure relate to an unpublished pending patent application?: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