Access Matrix and Capability Lists in Computer Security
Explore access control mechanisms such as access matrices, capability lists, and their implications for sharing and communication in computer security. Dive into the intricate details of permissions assigned to users like Alice, Bob, Carol, David, and Faculty.
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Presentation Transcript
Access Matrix File A File B File C Printer 1 Alice RW RW RW OK Bob R R RW OK Carol RW David RW OK Faculty RW RW OK CS 140 Lecture Notes: Protection Slide 1
Access Matrix File A File B File C Printer 1 Alice RW RW RW OK Bob R R RW OK Carol RW David RW OK Faculty RW RW OK Access Control List CS 140 Lecture Notes: Protection Slide 2
Access Matrix File A File B File C Printer 1 Alice RW RW RW OK Bob R R RW OK Carol RW David RW OK Faculty RW RW OK Capability List CS 140 Lecture Notes: Protection Slide 3
Capability Lists Alice s capabilities Bob s capabilities Sharing and communication impossible! CS 140 Lecture Notes: Protection Slide 4
Capability Lists Alice s capabilities Bob s capabilities Shared object Shared capability list CS 140 Lecture Notes: Protection Slide 5
