Wherein someone discovers that one can do power analysis attacks just by watching der Blinkenlighten.
At 3:32 PM -0700 on 3/5/02, Joe Loughry wrote: > LED status indicators on data communication equipment, > under certain conditions, are shown to carry a modulated optical > signal that is significantly correlated with information being > processed by the device. Quick. Everybody disconnect those pretty blue LEDs on all your NCipher boxes... :-). Cheers, RAH -- ----------------- R. A. Hettinga <mailto: [EMAIL PROTECTED]> The Internet Bearer Underwriting Corporation <http://www.ibuc.com/> 44 Farquhar Street, Boston, MA 02131 USA "... however it may deserve respect for its usefulness and antiquity, [predicting the end of the world] has not been found agreeable to experience." -- Edward Gibbon, 'Decline and Fall of the Roman Empire' --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]