Patent ID: 8555044
Filing Date: 2013-10-08
Classification: G06F

Abstract:
1. A method to manage the lock state of an electronic device comprising a processor and an operating system, comprising: placing the electronic device in a disable state in which the processor is blocked from accessing the operating system; receiving a first unlock password from a remote source during a power-up operation of the electronic device; and placing the electronic device in a temporary unlock state which allows the processor to boot the operating system when the first unlock password matches a password stored in the electronic device; retrieving a platform state descriptor and a predetermined information set from a memory module in the electronic device while the electronic device is in the temporary unlock state; forwarding the platform state descriptor and the predetermined information set to an unlock server; receiving, from the unlock server, a platform unlock message, wherein the unlock server is to forward the platform state descriptor and predetermined information set to a permit server and wherein the permit server: comparing a component of the platform unlock message to an expected value stored in the memory module in the electronic device; and placing the electronic device in a permanent unlock state when the component of the platform unlock message matches the expected value.