MOBILE PLATFORM SOFTWARE UPDATE WITH SECURE AUTHENTICATION

摘要

Generally, this disclosure describes devices, methods and systems and for securely updating software on a mobile platform using trusted hardware based authentication. The device may include an image update module configured to receive a software update image from an update server, the image update module executing at an operating system (OS) level; a critical component database configured to identify critical software components associated with the secure operation of the device; a secure update application module configured to verify the inclusion of the critical software components in the software update image prior to installation of the software update image on the device; and a trusted execution environment (TEE) configured to restrict control access and data access to the secure update application module and the critical component database, the restriction enforced against the OS and against modules executing at the OS level.