Welcome to CS 355: Topics in Cryptography — Spring 2026! Please note this is different from CS 355 offered last year. See this offering’s schedule for more details.

Problem Sets

You must use LaTeX to write up your problem set. You must use the provided template to typeset your assignment.

You must submit your problem set via Gradescope. You should have been automatically added at the start of the quarter if you’re enrolled in the course. Please email us if there are any issues. Note that Gradescope requires that the solution to each problem starts on a new page.

Problem Set 1 (source, preamble) – due Friday, April 10 (released on Mar 30)
Problem Set 2 (source, preamble) – due Friday, April 24 (released on Apr 13)
Problem Set 3 (source, preamble) – due Friday, May 8 (released on Apr 25)

Not Released

Problem Set 4 (source, preamble) – due Friday, May 22
Problem Set 5 (source, preamble) – due Friday, June 5