Cryptography

• 39 hrs lectures
• 13 hrs projects

• 70 pts final exam (written part)
• 15 pts mid-term test (written part)
• 15 pts projects

The goal is to make students familiar with the basic concepts applied cryptography, including classical cryptography and modern secret key and public key cryptography.
Students will learn basic principles of applied cryptography, including classical cryptography and modern secret key and public key cryptography.
Students will learn the role of security and functionality in information systems.

• Hanáček, P., Staudek, J.: Bezpečnost informačních systémů, ÚSIS, Praha, 2000, s. 127, ISBN80-238-5400-3
• Savard, J. J. G.: A Cryptographic Compendium, 2000, available on WWW
• Nechvatal, J.: PUBLIC-KEY CRYPTOGRAPHY, NIST Special Publication 800-2, National Institute of Standards and Technology, Gaithersburg, MD 20899, 1991, available on WWW
• Menezes, Van Oorschot, Vanstone: Handbook of Applied Cryptography, CRC Press Series on Discrete Mathematics and Its Applications, Hardcover, 816 pages, CRC Press, 1997, available on WWW
• Stallings, W.: Cryptography and Network Security, Pearson India, 2018, ISBN 9789332585225

1. Classical cryptography.
2. Modern cryptography, symmetric and asymmetric ciphers.
3. Symmetric ciphers. Key length, brute force attack.
4. Examples of symmetric ciphers. Feistel, DES, modes of operation.
5. Typical application of symmetric cryptography.
6. Asymmetric cryptography.
7. Electronic signature.
8. Examples of asymmetric ciphers, RSA.
9. DSS, function, attacks, optimization.
10. ElGamal, keyed hash, MAC.
11. Asymmetric cryptography application examples.
12. Key management for symmetric cryptography.
13. Key management for asymmetric cryptography, certificates, X.509.

A mid-term exam evaluation and an evaluation of projects.
A written mid-term test, a regular evaluation of projects. The test does not have correction option, the final exam has two possible correction terms.