Secure integrated device with secure, dynamically-selectable...

Details Secure integrated device with secure, dynamically-selectable... Secure integrated device with secure, dynamically-selectable...

2005-11-22

2005-11-22

Sheikh, Ayaz (Department: 2136)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S170000

Reexamination Certificate

active

06968453

ABSTRACT:
A method, system, computer program product, and method of doing business by providing a secure integrated device (such as a pervasive computing device) for which operating capabilities can be dynamically yet securely selected (including, but not limited to, pluggable connection of input/output devices and/or application processors that provide selected functions). Each input/output (I/O) device and application processor to be used is plugged in to a bus of a security core, and authenticates itself to the security core using public key infrastructure techniques, thereby creating a secure multi-function device. All of the multi-function device's input and output interactions with its environment necessarily traverse an I/O bus under the sole control of the security core. The only communication path between an application processor and the external environment (such as an I/O device) is through an application processor bus, which is likewise under control of the security core. Thus a user may dynamically yet securely select the capabilities of a multi-function device, and because each I/O device and application processor in use by that multi-function device is authenticated, the security of transactions or network services performed when using such devices is improved.

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http://www.techweb.com/wire/story/TWB20000911S0011, “Vendors Race to Put Cameras in Cell Phones”, by J. Yoshida, EE Times, Sep. 11, 2000, 5 pages.

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