Method and portable storage device for allocating secure...

G - Physics – 11 – B

Patent

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G11B 20/10 (2006.01)

Patent

CA 2592871

A method for extending a secure area in a portable storage device and the portable storage device therefore are provided. The method includes allocating a secure area for storing data to be received within an insecure area, sending position information regarding the secure area allocated within the insecure area to a host device, receiving the position information and data to be stored in the secure area from a secure application of the host device, and encrypting and storing the data in the insecure area based on the position information.

L'invention concerne un procédé destiné à étendre une zone sécurisée dans un dispositif de stockage portatif ainsi que le dispositif de stockage portatif associé. Ce procédé consiste à attribuer une zone sécurisée en vue d'un stockage de données à recevoir dans une zone non sécurisée, à envoyer des informations de position concernant la zone sécurisée attribuée dans la zone non sécurisée en direction d'un dispositif hôte, à recevoir les informations de position et les données à stocker dans la zone sécurisée en provenance d'une application sécurisée du dispositif hôte, et à chiffrer et stocker les données dans la zone non sécurisée sur la base des informations de position.

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