Private quantum channels

Andris Ambainis; Michele Mosca; Alain Tapp; Ronald De Wolf

doi:10.1109/SFCS.2000.892142

Private quantum channels

Andris Ambainis
, Michele Mosca
, Alain Tapp
, Ronald De Wolf

University of California at Berkeley
University of Waterloo
University of Amsterdam

Research output: Contribution to journal › Article › peer-review

199 Citations (Scopus)

Abstract

We investigate how a classical private key can be used by two players, connected by an insecure one-way quantum channel, to perform private communication of quantum information. In particular we show that in order to transmit n qubits privately, 2n bits of shared private key are necessary and sufficient. This result may be viewed as the quantum analogue of the classical one-time pad encryption scheme.

Original language	English
Pages (from-to)	547-553
Number of pages	7
Journal	Annual Symposium on Foundations of Computer Science - Proceedings
DOIs	https://doi.org/10.1109/SFCS.2000.892142
Publication status	Published - 2000
Externally published	Yes

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10.1109/SFCS.2000.892142

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title = "Private quantum channels",

abstract = "We investigate how a classical private key can be used by two players, connected by an insecure one-way quantum channel, to perform private communication of quantum information. In particular we show that in order to transmit n qubits privately, 2n bits of shared private key are necessary and sufficient. This result may be viewed as the quantum analogue of the classical one-time pad encryption scheme.",

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AB - We investigate how a classical private key can be used by two players, connected by an insecure one-way quantum channel, to perform private communication of quantum information. In particular we show that in order to transmit n qubits privately, 2n bits of shared private key are necessary and sufficient. This result may be viewed as the quantum analogue of the classical one-time pad encryption scheme.

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DO - 10.1109/SFCS.2000.892142

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JO - Annual Symposium on Foundations of Computer Science - Proceedings

JF - Annual Symposium on Foundations of Computer Science - Proceedings

ER -

Private quantum channels

Abstract

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