SECURED START-UP OF AN ELECTRONIC DEVICE HAVING AN SMP ARCHITECTURE

摘要

The method involves booting a boot-strap processor (BSP) (2) to protect part of a RAM (4) to form a secure domain. An operating system (OS) of BSP is booted to store data of OS in the protected part. An application processor (AP) (2) is booted, and the domain is extended to AP, in case of successful authentications of AP and BSP, by accessing the protected part. The OS of the AP is booted to store data of OS in the protected part. - An INDEPENDENT CLAIM is also included for an electronic apparatus having processors connected to a RAM through a communication bus.