Lecture

Block Ciphers: Modes and WiFi Security

In course

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Description

This lecture covers the fundamentals of block ciphers, focusing on modes of operation such as CBC, OFB, CTR, and XTS. It also delves into stream ciphers, specifically RC4, and their vulnerabilities. The instructor discusses the case study of WiFi security, highlighting the weaknesses of WEP and the improvements in WPA2. Various encryption schemes and their characteristics are explored, along with the practical applications of symmetric encryption in real-world scenarios.

Instructor

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Official source

https://mediaspace.epfl.ch/media/0_fpl3yjty

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Ontological neighbourhood

Computer engineering

Computer security: Public-key cryptography

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