Communications security and content protection

Data integrity and basic aspects of security: confidentiality, authenticity, authenticity, and availability. Types of coding procedures and classification of cryptographic algorithms: stream, block, symmetric, asymmetric. Basic symmetric encryption algorithms (DES, AES), examples of practical applications. Review of asymmetric cryptographic algorithms (RSA, ElGamal, DH) on a practical application. The digital signature of information content and the basics of hash algorithms. The management of encryption keys, digital certificates, and public key infrastructure. Secure communications on the Internet with the review of protection mechanisms at different layers (IPSec, SSL, secure mail). Basic principles of security devices: routers, firewalls, and security of content. Secure electronic commerce. Security policy and security management in multimedia systems. Mechanisms of copyright protection and copyright management systems, multimedia content (DRM, CA, TP, Watermarking). Blockchain technologies and their applications in the area of communications security and content protection.

Understanding basic principles of information security in multimedia systems. Basic knowledge of security mechanisms and practical knowledge of the security protocols used in the Internet and in mobile radio networks. Understanding the principles of technical protection of copyright of multimedia content.

Lectures and lab exercises and individual work.