Power LED Side-Channel Attack
Schneier on Security
JUNE 19, 2023
This is a clever new side-channel attack : The first attack uses an Internet-connected surveillance camera to take a high-speed video of the power LED on a smart card readerĀor of an attached peripheral deviceĀduring cryptographic operations. This technique allowed the researchers to pull a 256-bit ECDSA key off the same government-approved smart card used in Minerva.
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