Course Catalog 2011-2012
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Course Catalog 2011-2012

MAT-52606 Mathematical Cryptology, 6 cr

Additional information

The course is lectured biennially.
Suitable for postgraduate studies

Person responsible

Keijo Ruohonen

Lessons

Study type P1 P2 P3 P4 Summer Implementations Lecture times and places
Lectures
Excercises


 


 
 4 h/per
 2 h/per
+4 h/per
+2 h/per


 
MAT-52606 2011-01 Thursday 10 - 12, Tb219
Friday 10 - 12, Tb219

Requirements

Closed-book written exam.
Completion parts must belong to the same implementation

Learning outcomes

After completing the course the student is familiar with the mostly used cryptosystems in modern cryptography, and their basic properties. The student also masters the required prerequisites in number theory and algebra. In particular, the student identifies the division of algorithms into intractable and tractable, so essential in cryptography. Completing the course the student is able to identify common cryptosystems, and evaluate their advantages and disadvantages, and the underlying mathematical paradigms, and for cryptographic protocols, too, to an extent (this is however mostly left to the relevant courses in telecommunications). Despite modern cryptology being the result of relatively recent research, it has progressed far and wide, and therefore it is simply not possible to include outcomes for them all within a single course. Completing the course the student nevertheless should be able the generalize and extend the skills.

Content

Content Core content Complementary knowledge Specialist knowledge
1. Elements and basic algorithms of number theory and algebra. Simple examples.  Applications to analysis of more complex cases. Alternative algorithms.   
2. The AES cryptosystem, its goals and algebraic background.  Further analysis of the AES cryptosystem.   
3. Computational complexity and its relation to cryptographic concerns, in particular for public-key systems.     
4. The RSA cryptosystem, its goals, analyses and number-theoretic background.  Further analysis of RSA, its variants and special uses.   
5. Cryptosystems based on group-theoretic concepts: ELGAMAL, DIFFIE-HELLMAN, elliptic curve system.  Further analyses of these systems, their variants and special uses.   
6. Overview of the NTRU cryptosystem.    Further analysis and structure of NTRU. 
7. Quantum encryption, its background and systems.     

Evaluation criteria for the course

Final grade is determined from tutorial activity and the final closed-book exam. Passing the course requires passing the final exam, and for this at most half of the maximum points are required. Bonus points obtained by tutorial activity may be used to add the exam points according to a given scheme. A thorough mastering of the core content should be sufficient for passing the course with grade 3. To get the degree 4 at least some complementary knowledge is usually required, getting the grade 5 then requires a more thorough mastering of this knowledge.

Assessment scale:

Numerical evaluation scale (1-5) will be used on the course

Partial passing:

Completion parts must belong to the same implementation

Study material

Type Name Author ISBN URL Edition, availability, ... Examination material Language
Other online content   Homepage              English  
Summary of lectures   An Introduction to Cryptography   Mollin, R.A.            English  
Summary of lectures   Cryptography. Theory and Practice   Stinson, D.R.            English  
Summary of lectures   Mathematical Cryptology   Ruohonen, K.            English  

Prerequisite relations (Requires logging in to POP)



Correspondence of content

Course Corresponds course  Description 
MAT-52606 Mathematical Cryptology, 6 cr MAT-52600 Mathematical Cryptology, 6 cr  

More precise information per implementation

Implementation Description Methods of instruction Implementation
MAT-52606 2011-01 Lectures and tutorials of Mathematical Cryptology        

Last modified05.01.2011