Apparatus and method for secure boot environment

Details Apparatus and method for secure boot environment Apparatus and method for secure boot environment

2011-07-19

2011-07-19

Du, Thuan N (Department: 2116)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

Loading initialization program

C713S155000, C713S176000, C713S187000

Reexamination Certificate

active

07984286

ABSTRACT:
In some embodiments, a processor-based system may include at least one processor, at least one memory coupled to the at least one processor, a boot block stored at a first memory location, a capsule update stored at a second memory location, a startup authenticated code module to ensure the integrity of the boot block upon a restart of the processor-based system, code which is executable by the processor-based system to cause the processor-based system to validate the boot block with the startup authenticated code module upon the restart of the processor-based system, and, if the boot block is successfully validated, to validate the capsule update for the processor-based system with the startup authenticated code module. Other embodiments are disclosed and claimed.

REFERENCES:
patent: 6625729 (2003-09-01), Angelo et al.
patent: 6925570 (2005-08-01), Freeman et al.
patent: 7200758 (2007-04-01), Zimmer
patent: 2004/0193865 (2004-09-01), Nguyen et al.
patent: 2006/0021064 (2006-01-01), England et al.

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