Method for controlling access to specific services from a...

H - Electricity – 04 – H

Patent

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Details

H04H 60/15 (2009.01) H04H 20/57 (2009.01) H04H 60/23 (2009.01) H04H 60/91 (2009.01)

Patent

CA 2467983

The aim of the present invention is to provide a method for receiving specific services by a user (A) from a broadcaster to which said user is not authorized. Said aim is achieved, whereby an access control method is provided for a broadcast from a broadcaster (B) of specific services, which are encrypted by control words (CW); the access rights (DB) to said services are managed by an access control centre (CAB); said rights (DB) comprise a transmission key (TB) which permits said control words (CW) to be decrypted; said broadcast is received by a mobile apparatus (A) which is connected to a security unit (SM) comprising a unique identification number (UA) and a security key (KA) for the secured transmission of information and whereby said apparatus (A) is connected to a telephone carrier (B) and initially registered at an other access control centre (CAA) for receiving specific services.

Le but de la présente invention est de proposer une méthode permettant de recevoir des services spécifiques par un utilisateur (A) de la part d'un diffuseur auprès duquel cet utilisateur n'est pas initialisé. Ainsi, cette invention se réfère à une méthode de contrôle d'accès d'une diffusion par un diffuseur (B) de services spécifiques encryptés par des mots de contrôle (CW), les droits d'accès (DB) à ces services étant gérés par un centre de contrôle d'accès (CAB), ces droits (DB) comprenant une clé de transmission (TB) permettant de décrypter les mots de contrôle (CW), cette diffusion étant reçue par un appareil mobile (A) connecté à une unité de sécurité (SM) qui comprend un numéro d'identification unique (UA) et une clé de sécurité (KA) pour la transmission d'information sécurisée, cet appareil (A) étant relié à un opérateur de téléphonie (B) et initialement enregistré sur un autre centre de contrôle d'accès (CAA), pour la réception de services spécifiques.

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