Outline for October 15, 2025

Reading: text, §10.5.2.2, 11.1–11.2.2
Assignments: Homework 2, due October 15; Project selection, due November 7

1. Greetings and Felicitations!
   1. Zoom office hour on Wednesday moved to 4:00pm–4:50pm; same meeting id, password

2. Digital Signatures
   1. El Gamal digital signatures

3. Session and interchange keys

4. Key exchange
   1. Kerberos

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

ECS 235A, Computer and Information Security Version of October 15, 2025 at 1:46PM

You can also obtain a PDF version of this.