Footprint device and techniques for operating same

Footprint device and techniques for operating same

A small footprint device can securely run multiple programs from unrelated vendors by the inclusion of a context barrier isolating the execution of the programs. The context barrier performs security checks to see that principal and object are within the same context or to see that a requested actio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: J. SUSSER,M.B. BUTLER,A. STREICH
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
CHECKING-DEVICES
COIN-FREED OR LIKE APPARATUS
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Beschreibung
Zusammenfassung:A small footprint device can securely run multiple programs from unrelated vendors by the inclusion of a context barrier isolating the execution of the programs. The context barrier performs security checks to see that principal and object are within the same context or to see that a requested action is authorized for an object to be operated upon. Each program or set of programs runs in a separate context, however, one context has access to all program modules without context barrier constraints.