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Course information

• Location: Room 2104
• Instructor: Runzhi Zeng
• Email: runzhi.zeng@uni-kassel.de
• Office Hours:
  • Room 2628, FB16
  • 3:15 pm – 3:45 pm, Wednesday
• Grading: 40% homework + 60% final exam

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(Tentative) Schedule and Resources

Week	Date	Topic	Notes/Readings
Lecture 1	Oct 23, 2024	Introduction, Recall of some cryptographic primitives	Slides, Code
Lecture 2	Oct 30, 2024	MitM attacks, Digital signature, Certificate	Slides, Code
Lecture 3	Nov 06, 2024	Signed Diffie-Hellman, TLS Handshake	Slides, Code
Lecture 4	Nov 13, 2024	Secure Messaging, X3DH	Slides, Code
Lecture 5	Nov 20, 2024	Symmetric-key Ratchet, Diffie-Hellman Ratchet	Slides
Lecture 6	Nov 27, 2024	Double Ratchet	Slides
Lecture 7	Dec 04, 2024	Password-based Authentication - 1	Slides, Code
Lecture 8	Dec 11, 2024	Password-based Authentication - 2	Slides
…	…	…	…
Lecture 13	Feb 12, 2025
Lecture 14	(Feb 14, 2025?)	(Required only if we do not complete this course by Lecture 13)

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Homework

• Eligibility for the Final Exam: Students must complete at least 60% of the homework.
• Homework accounts for 40% of the final grade.
• Three submission deadlines for homework (submission via email or GitHub link)
  • Deadline 1: Nov 22, 2024 at 23:59 – homework from lectures 1-2
  • Deadline 2: Dec 20, 2024 at 23:59 – homework from lectures 3-4, 7
  • Deadline 3: Feb 7, 2025 at 23:59 – homework from lectures 8-10
    

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Final Exam

Format: Final Project + Report + Oral Exam:

1. Choose one of the two final projects and begin coding (the topics of the two projects will be introduced later).
2. Submit a simple report: Choose 3-6 functions that you think are the best in your program and present them in your report, including What it does, How it works, and Why it works correctly (2-4 pages, no introduction).
3. Deadline for the report and the final project code: March 7th, 2025
4. Oral Exam: Show me your code and answer questions related to your report and code.

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