The 2023 Pwnie Winner For Best Cryptographic Attack

Video-based cryptanalysis: Extracting Cryptographic Keys from Video Footage of a Device’s Power LED

Ben Nassi

A new cryptanalytic side-channel attack using the RGB values of the device’s LED. This is a really cool one. They basically recorded an LED on a phone, and then through the RGB values, were able to cryptographically break it. https://eprint.iacr.org/2023/923