Methods and apparatus for accessing resources using a...

Details Methods and apparatus for accessing resources using a... Methods and apparatus for accessing resources using a...

2011-08-16

2011-08-16

Barron, Jr., Gilberto (Department: 2432)

Information security

Access control or authentication

Stand-alone

C713S189000

Reexamination Certificate

active

08001592

ABSTRACT:
A system and method are disclosed which may include entering a secure mode by a processor, whereby the processor may initiate a transfer of information into or out of the processor, but no external device may initiate a transfer of information into or out of the processor; sending a DMA (direct memory access) command including at least one authorization code from the processor to at least one trusted data storage region external to the processor; evaluating the authorization code; and enabling the processor to access at least one trusted data storage location within the trusted data storage region if the authorization code is valid.

REFERENCES:
patent: 5615263 (1997-03-01), Takahashi
patent: 6526491 (2003-02-01), Suzuoki et al.
patent: 2004/0255169 (2004-12-01), Little et al.
patent: 2005/0071651 (2005-03-01), Aguilar 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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