Foundations of Physics

, Volume 33, Issue 11, pp 1629–1647

Hiding Quantum Data


  • David P. DiVincenzo
    • Watson Research CenterIBM
    • Institute for Quantum Information
  • Patrick Hayden
    • Institute for Quantum Information
  • Barbara M. Terhal
    • Watson Research CenterIBM
    • Institute for Quantum Information

DOI: 10.1023/A:1026013201376

Cite this article as:
DiVincenzo, D.P., Hayden, P. & Terhal, B.M. Foundations of Physics (2003) 33: 1629. doi:10.1023/A:1026013201376


Recent work has shown how to use the laws of quantum mechanics to keep classical and quantum bits secret in a number of different circumstances. Among the examples are private quantum channels, quantum secret sharing and quantum data hiding. In this paper we show that a method for keeping two classical bits hidden in any such scenario can be used to construct a method for keeping one quantum bit hidden, and vice–versa. In the realm of quantum data hiding, this allows us to construct bipartite and multipartite hiding schemes for qubits from the previously known constructions for hiding bits.

data hidingquantum cryptographysecret sharingnonlocality without entanglement

Copyright information

© Plenum Publishing Corporation 2003