Electrical computers and digital processing systems: support – Digital data processing system initialization or configuration – Loading initialization program
Reexamination Certificate
2011-03-01
2011-03-01
Chai, Longbit (Department: 2431)
Electrical computers and digital processing systems: support
Digital data processing system initialization or configuration
Loading initialization program
C713S193000, C713S194000, C726S026000, C726S027000, C726S028000, C726S029000, C726S030000
Reexamination Certificate
active
07900032
ABSTRACT:
Segmenting a boot code to allow separate and independent storage and validation of the segments in a manner that enable secure system boot by autonomous fetching and assembling of the boot code by a security sub-system. The code fetching may need to be done without the main CPU running on the chip for security reasons. Because the boot code may be stored in memory devices that require special software application to account for non-contiguous storage of data and/or code, for example a NAND flash memory which would require such an application as Bad Block Management, code segments stored in areas guaranteed to be usable may enable loading and validating remaining segment separately and independently.
REFERENCES:
patent: 7284085 (2007-10-01), Netter et al.
patent: 7610433 (2009-10-01), Randell et al.
Chen Iue-Shuenn
Chen Xuemin
Dellow Andrew
Rodgers Stephane
Ye Qiang
Broadcom Corporation
Chai Longbit
McAndrews Held & Malloy Ltd.
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