TEMPEST, it's as old as the Cold War. In retrospect, side-channel attacks and bugs are always the norm, a cryptographic break is rare. A good introductory artic

TEMPEST, it's as old as the Cold War. In retrospect, side-channel attacks and bugs are always the norm, a cryptographic break is rare. A good introductory article is TEMPEST: A Signal Problem written by the NSA. https://web.archive.org/web/20130918021523/http://www.nsa.gov/public_info/_files/cryptologic_spectrum/tempest.pdf https://web.archive.org/web/20130918021523/http://www.nsa.go...