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:
Apr. 12, 2016
Filed:
Mar. 19, 2004
Pascal Moitrel, Aubagne, FR;
Pascal Guterman, Roquevaire, FR;
Philippe Proust, Marseilles, FR;
Laurent Sustek, Auriol, FR;
Mireille Pauliac, Aubagne, FR;
Cedric Cardonnel, Carnoux en Provence, FR;
Pascal Moitrel, Aubagne, FR;
Pascal Guterman, Roquevaire, FR;
Philippe Proust, Marseilles, FR;
Laurent Sustek, Auriol, FR;
Mireille Pauliac, Aubagne, FR;
Cedric Cardonnel, Carnoux en Provence, FR;
GEMALTO SA, Meudon, FR;
Abstract
A method of protecting a telecommunication terminal having a chip-card-type personal component which is required for telecommunication network access. The terminal includes a processing unit, at least one operating memory element containing the information necessary to the operation of the terminal, i.e. a terminal operating program, and the data necessary to the program. The method involves: a) encrypting the contents of the operating memory element of the telecommunication terminal using a pre-determined key K which is necessary for decryption; and b) allowing the terminal to commence decryption once the terminal has been started with a start-up program that is saved in a secure memory element and once the key for decryption has been calculated by same.