Topics in Cryptography

Warning: This is the spring 2022 course website.
The latest CS355 website is online here.

Course Staff

How to Contact Us

General information and questions: Please use Ed. (It’s very likely that other students will have the same question.) We will post announcements on Ed, so please make sure to sign up.[^1]

For urgent or personal matters matters: Post a private question to Ed or contact us by email. You may email all of us at

To give anonymous feedback: At any time during the quarter you may use this form to send us an anonymous note.

Teaching Staff

Office Hours

  • Monday: 10:30-11:30am, Gates 100 (Wilson)
  • Monday: 3:30-4:30pm, Gates 100 (Ophir)
  • Tuesdays: 3-4pm, Gates 100 (Neil)
  • Wednesdays: 4-5pm, Gates 100 (Ophir) (Gates 104 on April 13)
  • Thursdays: 4-5pm, Gates 100 (Alex)