Introduction to Cryptography
Winter 2025
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, 3-4:20pm, Gates B01. |
| Sections: | Friday, 4:30-5:20pm, Hewlett 102 |
| Questions for CAs: | use Ed Discussion |
| Videos: | cs255 online (for video lectures and slides covering the material in class) |
Final Exam
The exam will take place on Tue, March 18, 2025 as a remote exam using Gradescope over a 24 hour period. The exam window will open at 12:01am and close at 11:59pm PT. The format will be the same as in previous years.
Previous final exams:
2024.pdf ,
2023.pdf ,
2022.pdf ,
2019.pdf ,
2018.pdf ,
2017.pdf ,
2016.pdf ,
2015.pdf ,
2014.pdf.
Practice work sheet
Homeworks and Projects
All homework submission is to be done via Gradescope. Please use course code KZVDDK to sign up. Note that Gradescope requires that the solution to every problem start on a new page.
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Homework #1: [html]
Due: Jan. 15
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Homework #2:
[pdf]
Due: Jan. 30
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Project #1 (password manager):
pdf
starter code
Due: Wed., Feb. 12, 11:59pm
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Homework #3:
[pdf]
Due: Feb. 20
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Project #2 (chat client):
pdf
starter code
Due: Tue., March 4, 11:59pm
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Homework #4: Not out yet
Due: Thu., Mar. 13
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