ITLApplied  Computational Mathematics Division
ACMD Seminar Series
Attractive Image NIST

Cryptography and Quantum Communications

Anastase Nakassis
Advanced Network Technologies Division, ITL, NIST

Thursday, May 16, 2002 15:00-16:00,
Room 145, NIST North (820)
Thursday, May 16, 2002 13:00-14:00,
Room 4550

Abstract: Quantum channels have unique properties and can enable new security algorithms. One of these algorithms, BB84, is to be implemented at NIST. The talk will be
  1. a very quick tutorial on BB84 which relies on quantum communications to create ideally-identical shared bit sequences in communicating computers and then uses classical means to extract out of these sequences create shared secrets to be used as one-time pads.
  2. a reasonably detailed exposition of the techniques used to extract out of the bits in (1) shared secrets that are shared and secret with arbitrarily high probability.
  3. Possible alternatives to (2)
  4. (if time permits) Practical questions on how to implement BB84 and use its output within a communication stack.

Contact: A. J. Kearsley

Note: Visitors from outside NIST must contact Robin Bickel; (301) 975-3668; at least 24 hours in advance.

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