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.:
Date of Patent:
Nov. 11, 2014
Filed:
Feb. 21, 2007
Applicant:
Philippe Carles, Meudon, FR;
Inventor:
Philippe Carles, Meudon, FR;
Assignee:
Viaccess, Paris la Defense Cedex, FR;
Primary Examiner:
Assistant Examiner:
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.