Techniques for permitting access across a context barrier on a small footprint device using on entry point object

• Main Authors: M.B. BUTLER, A. STREICH, J. SUSSER
• Format: Patent
• Language: English
• Published: 27.02.2002
• Edition: 7
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; HANDLING RECORD CARRIERS; PHYSICS; PRESENTATION OF DATA; RECOGNITION OF DATA; RECORD CARRIERS

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 namespace or memory space and to see tha...