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SUMMARY:Extracting Unknown Keys from Unknown Algorithms Encrypting Unknown
  Fixed Messages and Returning no Results - David Naccache (ENS)
DTSTART:20120130T140000Z
DTEND:20120130T150000Z
UID:TALK36074@talks.cam.ac.uk
CONTACT:Wei Ming Khoo
DESCRIPTION:In addition to its usual complexity assumptions\, cryptography
  silently assumes that information can be physically protected in a single
  location. As we now know\, real-life devices are not ideal and confidenti
 al information leaks through different physical channels. Whilst most aspe
 cts of side channel leakage (cryptophthora) are now well understood\, no a
 ttacks on totally unknown algorithms are known to date. This paper describ
 es such an attack. By _totally unknown_ we mean that no information on the
  algorithm's mathematical description (including the plaintext size)\, the
  microprocessor or the chip's power consumption model is available to the 
 attacker.
LOCATION:Lecture Theatre 2\, Computer Laboratory\, William Gates Building
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