Introduction to Cryptography
Winter 2021
Cryptography is an indispensable tool for protecting information in computer systems. This course explains the inner workings of cryptographic primitives and how to use them correctly.
Administrative
Course
syllabus (and readings)
Course
overview (grading, textbooks, coursework, exams)
| Lectures: | Monday, Wednesday, 2:30-3:50pm, online |
| Sections: | Friday, 4:30-5:20pm, online |
| Questions for CAs: | cs255ta@cs.stanford.edu or use Ed Discussion |
| Videos: | cs255 online (for video lectures and slides covering the material in class) |
Final Exam
Due to remote learning, the final exam is entirely online.
The exam is due on 3/17 at 1pm PT. Please use gradescope to submit your answers. Because of university requirements, we cannot give extensions on the final exam.Previous final exams:
2019.pdf ,
2018.pdf ,
2017.pdf ,
2016.pdf ,
2015.pdf ,
2014.pdf ,
2013.pdf ,
2012.pdf ,
2011.pdf ,
2010.pdf.
Homework
All homework submission is to be done via Gradescope. Please use course code V88N2K to sign up. Note that Gradescope requires that the solution to every problem start on a new page.
 |
Homework #0: [html]
Due: Jan. 20
|
|
Homework #1:
[pdf]
Due: Feb. 1
|
|
Homework #2:
[pdf]
Due: Feb. 17
|
|
Homework #3:
[pdf]
Due: Mar. 15
|
Projects
 |
Project #1 (password manager):
pdf
starter code
Due: Mon., Feb. 8, 11:59pm
|
|
Project #2 (chat client):
pdf
starter code
Due: Mon., March 1, 11:59pm
|