Get Your Hands Off My Laptop: Physical Side-Channel Key-Extraction Attacks On PCs

https://www.cs.tau.ac.il/~tromer/handsoff/

In February 2015 we published a follow-up paper, "Stealing Keys from PCs using a Radio: Cheap Electromagnetic Attacks on Windowed Exponentiation", which shows how to extract RSA and ElGamal keys from modern implementations (that use windowed exponentiation), in a few seconds, using cheap radio receivers.