Researchers Find Way to Recover Cryptographic Keys by Analyzing LED Flickers

Jun 26, 2023Ravie LakshmananCryptography / Cybersecurity In what’s an ingenious side-channel attack, a group of academics has found that it’s possible to recover secret keys from a device by analyzing video footage of its power LED. “Cryptographic computations performed by the CPU change the power consumption of the device which affects the brightness of the…