Methods and apparatus for secure programming and storage of...

Details Methods and apparatus for secure programming and storage of... Methods and apparatus for secure programming and storage of...

2011-08-16

2011-08-16

Zia, Syed A. (Department: 2431)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

Computer instruction/address encryption

C713S189000, C713S193000, C710S022000, C710S023000, C711S163000, C711S170000, C711S167000, C711S145000, C711S152000, C709S212000

Reexamination Certificate

active

08001390

ABSTRACT:
Methods and apparatus provide for: entering a secure mode in which a given processor may initiate a transfer of information into or out of said processor, but no external device may initiate a transfer of information into or out of said processor; and programming at least one trusted data storage location using a direct memory access (DMA) command to be one of read-only, write-only, readable and writeable, limited access, and reset, where said at least one trusted data storage location is located external to said processor.

REFERENCES:
patent: 6526491 (2003-02-01), Suzuoki et al.
patent: 7401358 (2008-07-01), Christie et al.
patent: 7496966 (2009-02-01), McGrath et al.
patent: 7543293 (2009-06-01), Willman
patent: 2004/0255169 (2004-12-01), Little et al.
patent: 2005/0071651 (2005-03-01), Aguilar et al.
patent: 2005/0081203 (2005-04-01), Aguilar et al.
patent: 2007/0183418 (2007-08-01), Riddoch et al.
patent: 2008/0072236 (2008-03-01), Pope et al.
Sony, Cell Broadband Engine Architecture, http://cell.scei.co.jp/e—download.html (Aug. 8, 2005).
Sony, Cell Broadband Engine Architecture, http://cell.scei.co.jp/e—download.html (Oct. 3, 2006).

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