Cryptography
General
Code: ΕΠ39
Language: Greek
Delivery: Face-to-face
Prerequisites: Νο prerequisites
Workload
- Lectures: 39.0 hours
- Lab: 0.0 hours
- Study: 86.0 hours
- Project: 0.0 hours
Course Content
Introduction to cryptography. History of cryptography and definitions
Mathematical background. Modular computations, Boolean functions, birthday paradox
Pseudorandom generators and stream ciphers
Pseudorandom functions, block ciphers and modes of operation
Differential and linear Attacks. Hellmans method to invert one way functions. Attacks against stream ciphers.
One way functions and hash functions MD5, SHA-1, SHA-2, SHA-3.
Message Authentication codes. HMAC and ECBC. Authenticated encryption schemes
Public key cryptography. RSA and secure implementations. The problem of factorization
El Gamal and elliptic curves. The discrete logarithm problem.
Digital signatures. Digital signature algorithm
Attacks against public key encryption protocols
Learning Outcomes
This course will provide:
A first introduction on cryptographic definitions and notions
Familiarization with security issues
Understanding of the cryptographic protocols capabilities
The skills to select the most adequate cryptographic solutions for given security problem.
Skills
Search for optimal cryptographic solutions
Independent work