Patent ID: 7917716
Filing Date: 2011-03-29
Classification: G06F

Abstract:
1. A method for protecting data in a system, the method comprising: in response to a power-on-reset, enabling access to a memory of the system, wherein said enabling access to the memory comprises: reading first data from the memory in response to said enabling, wherein the first data are usable to perform security operations for the system prior to boot-up of a main processor in the system, wherein the system comprises an embedded controller, wherein the first data comprises initialization code for the system, wherein the initialization code has an address range, wherein said enabling access to the memory comprises enabling access to the address range in the memory; after the first data are used to perform one or more security operations for the system, disabling access to the memory, wherein after said disabling the memory is not accessible at least until a subsequent power-on-reset, wherein said disabling access to the memory comprises: