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:
May. 24, 2016
Filed:
Jun. 13, 2014
Nagravision S.a., Cheseaux-sur-Lausanne, CH;
Henri Kudelski, Puidoux, CH;
NAGRAVISION S.A., Cheseaux-sur-Lausanne, CH;
Abstract
A method and device for controlling access to a specific type of services among a plurality of type of services proposed by a service supplier. The method includes entering, into an authentication device of the user, a personal identification code specific to the user, the personal identification code being identical for at least two different types of services proposed by the service supplier; and indicating, by said user, said specific type of services for which the access is required, the indication being made in the authentication device. The method further comprises transforming said personal identification code, in a way depending on a cryptographic function specific to said user and to said required specific type of services, the cryptographic function being memorized in the authentication device; transmitting the result of the transformation of said personal identification code to the service supplier; authenticating the user by the service supplier by means of the transmitted result of said transformation, and assigning an access right according to the result of the authentication. The device implements the record.