Patent ID: 9313662
Filing Date: 2016-04-12
CPC Classification: H04W

Claim Text:
1. A process for protecting a mobile telecommunication device, the mobile device having a personal software component used to access a communications network, a processing unit, a calculation unit, a secure memory, read-only memory, and at least an operating memory that stores an operating programme and data needed for said programme, said process comprising the following steps: a) coding, in the processing unit, the operating programme and data stored in the operating memory of the mobile telecommunication device with a pre-determined key K that is generated using unique information associated with the mobile device stored in the secure memory and unique information associated with and stored in the personal software component, and b) enabling a decoding of the operating programme and data with the predetermined key K when: wherein the decoding is performed by the calculation unit on request from the processing unit, the calculation unit which decodes the operating programme and data in blocks and stores the decoded blocks in a register, wherein the processing unit executes functions based on the decoded blocks, and wherein said personal software component is a chip card.