Intrusion detection for object security

H - Electricity – 04 – N

Patent

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Details

H04N 7/16 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2390751

According to the invention, an apparatus and methods for detecting modifications to information within a content receiver are described. In one embodiment, a method for detecting modification to a content receiver within a conditional access system is disclosed. In this process, a content provider generates a message. The message is sent to the content receiver by way of a network. The content receiver gets the message from the network. The content provider detects any unauthorized modification to the content receiver.

L'invention concerne un procédé et un dispositif destinés à détecter des modifications sur des informations dans un récepteur de contenu. Dans un mode de réalisation, l'invention concerne un procédé de détection de modifications sur un récepteur de contenu dans un système d'accès conditionnel. Selon ce procédé, un fournisseur de contenu crée un message. Le message est envoyé au récepteur de contenu par l'intermédiaire d'un réseau. Le récepteur de contenu reçoit le message du réseau. Le fournisseur de contenu détecte toute modification non autorisée sur le récepteur de contenu.

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