Verfahren zum Schutz vor Unberechtigtem Datenzugriff aus einem Speicher

Details

Veröffentlichungs-Nr.

EP3454216

Aktenzeichen

EP17190154

Anmeldetag

8. September 2017

Veröffentlichung

18. November 2020

Erteilung

18. November 2020

Rechtsraum

EP

IPC

G06F11/10

Abstract

It is described a method for protecting unauthorized data access from a memory area (3) of a computing system (1) operable in a first operating mode and in at least one second operating mode, the method comprising: requesting (23), in the first operating mode, payload data stored in a memory area (3) from a memory controller (11); retrieving (25), by the memory controller (11), the payload data from the memory area (3); retrieving (27), by the memory controller (11), second check data associated with the payload data from the memory area (3); failing by checking the payload data using the second check data according to a first check mechanism, while a check of the payload data using the second check data according to a second check mechanism passes.

Anmelder

Firma

NXP B.V.

Land

🇳🇱 Niederlande

Fachgebiete