ITC8240 Cryptography

Course information

Code: ITC8240 Cryptography

ECTS: 6

Assessment: examination

Instructors:

• Ahto Buldas ahto dot buldas at taltech dot ee
• Aleksandr Lenin aleksandr dot lenin at taltech dot ee

Consultation:

Mondays 13:00 - 14:00 SOC-314

Please inform instructors of your attendance by email

E-learning process and amended grading criteria

Lecture slides are uploaded regularly to the course webpage. Students study them individually.

Practice problem sets are uploaded regularly to the course webpage for individual practice.

Homeworks will be given out to students on a weekly basis. A homework will contain 2-3 exercises from practice problem set in the course webpage.

  * Everyone is encouraged to practice and solve all of the problems

allocated for practice.

  * The 2-3 designated tasks selected from the entire set, will be

compulsory for everyone and constitute a homework.

  * Homeworks will be given out normally on Fridays, and a regular due

time to upload submissions is Wednesday next week. In exceptional cases, the deadline may be extended to Friday next week.

  * The solutions will be uploaded and made available for public

access during the weekend following the second Friday.

  * No more submissions are accepted once the solution is published.
  * Submissions must be uploaded to the Moodle environment.

Grading: The uploaded solutions will be graded, and the course grade will be a (non-weighted) arithmetic mean of all the homework grades.

Communication will be organized using a Moodle forum where the students can ask questions and receive answers. The primary objective of the forum is to facilitate bidirectional communication. All the students can see all the questions and all the answers. Forum shall remain the primary means of communication, reserving email correspondence to private questions and requests.

Lectures

1. Simple Cryptosystems and Attacks
2. Theory Of Unbreakable Ciphers
3. Attacks Against Classical Ciphers
4. Key Establishment
5. Limited Adversaries
6. RSA Cryptosystem

Exercises

1. Information Theoretic Security
2. Elementary Cryptanalysis
3. Index Of Coincidence
4. Bachmann-Landau Asymptotic Notation
5. Complexity

Assignments

1. Assignment 1. Deadline: March 2nd.
2. March 20 Homework: solve tasks 13, 18, 19 from Complexity problem set. Deadline: March 25.