Security processor with bus configuration

Details Security processor with bus configuration Security processor with bus configuration

2002-06-27

2010-06-22

Moise, Emmanuel L (Department: 2437)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

C713S164000

Reexamination Certificate

active

07743257

ABSTRACT:
A security subsystem controls the data transfer rights among components of a secured system via a common bus. The security subsystem includes a secure block that is coupled to an access controller, preferably via a hard-wired connection to the controller. This secure block exclusively controls the access rights among components, and can effectively isolate security functions and data from the main processor. Because the security is provided via access control to components or subsets of components via a common bus, an efficient and effective integration of the security subsystem within the secured system can be achieved.

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