Advanced Cryptography

• Explain concepts such as one-way and pseudorandom functions as well as pseudorandom generators and outline their differences
• Explain fundamental techniques in the security analysis of symmetric-key cryptography, such as differential cryptanalysis
• Visualize the use of differential cryptanalysis in examples, such as the application to the AES block cipher
• Show how complex primitives such as authenticated encryption arise from combinations of simpler concepts
• Explain advanced cryptographic primitives such as commitment schemes, secret sharing, sigma protocols
• Compare cryptographic primitives and protocols based on security and cost metrics
• Explore the applicability of advanced cryptographic primitives in complex use-cases
• Orally present fundamental concepts behind advanced cryptographic protocols

Fundamental and more advanced cryptographic primitives/protocols such as pseudorandom functions, pseudorandom generators, one-way functions, key encapsulation mechanisms, commitments, secret-sharing, sigma-protocols.
Elements of symmetric cryptanalysis.

• 6 – 20 (Wed 13-17)

02231/01410, Fundamentals of cryptography, e.g. RSA and Diffie-Hellman protocols, block ciphers, cryptographic hash functions, CCA security, pseudo-random functions.

Lectures, exercises, projects