Computer-readable medium with microprocessor to control...

G - Physics – 11 – B

Patent

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Details

G11B 20/00 (2006.01) G06F 1/00 (2006.01) G06F 21/00 (2006.01)

Patent

CA 2393645

Computer-readable medium provided with a memory area (2; 26, 28) for storing data and a distinct microprocessor (3) having a communication interface (4), a memory unit (7) and a processor unit (5) connected to both the communication interface (4) and the memory unit (7). The data may include a first data portion which is arranged to be read and decrypted by a computer arrangement (11) provided at least one condition is met, and the microprocessor (3) being arranged to generate at least one cryptographic key once the condition is met that is necessary to decrypt the data. The invention is also directed to a computer arrangement arranged to communicate with such a medium.

L'invention concerne un support de stockage lisible par ordinateur doté d'une zone de mémoire (2; 26, 28) destinée au stockage de données et d'un microprocesseur distinct (3) présentant une interface de communication (4), une unité de stockage (7) et une unité de processeur (5) reliée à la fois à l'interface de communication (4) et à l'unité de stockage (7). Les données peuvent comporter une première partie de données disposées de manière à être lues et décryptées par un dispositif informatique (11), si au moins une des conditions est remplie; et le microprocesseur (3) est disposé de manière à générer au moins une clé cryptographique une fois la condition nécessaire au décryptage des données remplie. L'invention concerne également un dispositif informatique conçu pour communiquer avec un tel support.

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