System and method of protecting data on a communication device

Details System and method of protecting data on a communication device System and method of protecting data on a communication device

H - Electricity

04

L

H04L 29/06 (2006.01)

Patent

CA 2516568

A system and method of protecting data on a communication device are provided. Data received when the communication device is in a first operational state is encrypted using a first cryptographic key and algorithm. When the communication device is in a second operational state, received data is encrypted using a second cryptographic key and algorithm. Received data is stored on the communication device in encrypted form.

Cette invention concerne un système et un procédé de protection de données sur un dispositif de communication. Des données reçues lorsque le dispositif de communication se trouve dans un premier état de fonctionnement sont chiffrées à l'aide d'une première clé et d'un premier algorithme de chiffrement. Lorsque le dispositif de communication se trouve dans un second état de fonctionnement, les données reçues sont chiffrées à l'aide d'une seconde clé et d'un second algorithme de chiffrement. Les données reçues sont stockées sur le dispositif de communication sous forme chiffrée.

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