Lecture 23 Outline

Reading: §15^*, [8]
Assignments: Homework 4, due Nov. 18; Lab 4, due Nov. 18

1. Identity
   1. Principal and identity
   2. Users, groups, roles
   3. Naming and certificates
2. Identity on the web
   1. Host identity
   2. DNS: static and dynamic identifiers
   3. DNSSEC: adding security to the DNS
   4. State and cookies
3. Anonymity
   1. Pseudonymous remailer
   2. Cypherpunk remailer
   3. Mixmaster remailer
   4. Onion routing