kidwarp on Nostr: This is fucking crazy shit… ...

This is fucking crazy shit…

quoting
nevent1q…xwy6

Researchers pulled a 256-bit key out of a device by filming its power LED. The status light flickers with the chip's power draw, and that leaks the key. A full ECDSA key was recovered from 16m away through a window via a hijacked camera. https://www.nassiben.com/video-based-crypta