Power Analysis of LEDs Can Reveal Encryption Keys
July 3rd, 2023If you thought TEMPEST/van Eck phreaking was interesting in the 1980s, check out what’s possible by monitoring power fluctuations on modern LED displays.
In case you’re a “normal” computer user and wondering if you should be concerned about this, the simple answer is no, not really. There are many, many, many other issues with our computers that are far more serious (and pretty much unfixable) than this clever trick with LEDs.
If, however, you were concerned about this, could you run some threads doing CRC or creating unrelated keys in the background to hide your actual encryption activities?
Via: Computerphile:
