Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
Reexamination Certificate
2011-04-05
2011-04-05
Lanier, Benjamin E (Department: 2432)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
By stored data protection
C726S004000
Reexamination Certificate
active
07921303
ABSTRACT:
A system and method for providing a secure environment for mobile telephones and other devices are disclosed. The system and method may utilize trust zoning, layered memory, and a secure matrix model having, for example, a memory protection module for protecting memory; a secure debug module for ensuring security of the debug module; a secure file system module for protecting the secure file system; and a trusted time source module for protecting components. Embodiments of the present invention may protect against security attacks on a variety of hardware and software components while permitting suitable levels of accessibility for developmental and maintenance purposes.
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Kim Won Tae C
Lanier Benjamin E
Lemma Samson B
Qualcomm Incorporated
Seo Howard H.
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