Storing and accessing data in a mobile device and a user module

Details Storing and accessing data in a mobile device and a user module Storing and accessing data in a mobile device and a user module

2011-06-14

2011-06-14

Hoffman, Brandon S (Department: 2433)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

Reexamination Certificate

active

07962762

ABSTRACT:
The invention relates to methods for storing and accessing user data (48) and configuration data (62) in a mobile device (10) that is connected to a user module (12). According to a first aspect of the invention, the user data (48) is stored in the mobile device (10) at least partially in encrypted form, and is decrypted, in access operations, using a decrypting function (66) of the user module (12). According to a second aspect of the invention, the configuration data (62) is stored in the user module (12). The configuration data (62) indicates whether, or to what extent, an application program (46) is allowed to be executed by the mobile device (10). Security and protection against unauthorised access to user data (48) and application programs (46) in the mobile device (10) are increased by the invention.

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