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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8885825 B1

PDFFull Text
Expired
Date of Patent:
Nov. 11, 2014

Filed:

Feb. 21, 2007

Method of establishing a cryptographic key, network head and receiver for this method, and method of transmitting signals

Applicant:

Philippe Carles, Meudon, FR;

Inventor:

Philippe Carles, Meudon, FR;

Assignee:

Viaccess, Paris la Defense Cedex, FR;

Attorneys:

B. Aaron Schulman, Esq.

Stites & Harbison, PLLC

Primary Examiner:

Zachary A Davis

Assistant Examiner:

Oleg Korsak

Int. Cl.
CPC ...
H04K 1/00 (2006.01); H04N 21/64 (2011.01); H04N 7/16 (2011.01); H04N 21/266 (2011.01); H04N 21/472 (2011.01); H04L 29/06 (2006.01); H04N 21/643 (2011.01);
U.S. Cl.
CPC ...
H04N 7/165 (2013.01); H04N 21/64 (2013.01); H04N 21/26613 (2013.01); H04N 21/472 (2013.01); H04L 63/061 (2013.01); H04N 21/64322 (2013.01);
Abstract

This method of establishing a cryptographic session key comprises: a subscription phase () during which an identifier of a local loop to the end of which a receiver must be connected is acquired, and an authentication step comprising: a) an operation () of automatically obtaining an identifier of the local loop to the end of which the receiver is actually connected, and b) an operation () of verifying that the identifier obtained during the operation a) corresponds to the identifier acquired during the subscription phase so as to authenticate the receiver.

Find Patent Forward Citations

Carles, Philippe. (2014). Method of establishing a cryptographic key, network head and receiver for this method, and method of transmitting signals (U.S. Patent No. 8885825). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8885825

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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