Outline for December 1, 2025

Reading: text, §17.6, 15.1–15.5
Assignments: Homework 5, due December 5; Completed Project, due December 9

1. Greetings and Felicitations!

2. Integrity and information flow

3. Examples
   1. Android taint analysis
   2. Firewalls

4. Identity
   1. Files, objects
   2. Users, groups, roles

5. Certificates
   1. X.509v4 Distinguished Names
   2. Registration and certification authorities
   3. Internet certification hierarchy

Matt Bishop Office: 2209 Watershed Sciences Phone: +1 (530) 752-8060 Email: mabishop@ucdavis.edu

ECS 235A, Computer and Information Security Version of December 1, 2025 at 6:50AM

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