Private Product Computation Using Quantum Entanglement

René Bødker Christensen*, Petar Popovski

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

1 Citation (Scopus)
40 Downloads (Pure)

Abstract

In this article, we show that a pair of entangled qubits can be used to compute a product privately. More precisely, two participants with a private input from a finite field can perform local operations on a shared, Bell-like quantum state, and when these qubits are later sent to a third participant, the third participant can determine the product of the inputs, but without learning more about the individual inputs. We give a concrete way to realize this product computation for arbitrary finite fields of prime order.

Original languageEnglish
Article number2100609
JournalIEEE Transactions on Quantum Engineering
Volume4
Pages (from-to)1-9
Number of pages9
ISSN2689-1808
DOIs
Publication statusPublished - 27 Sept 2023

Keywords

  • Cryptography
  • Encoding
  • Galois fields
  • Indexes
  • Protocols
  • Quantum entanglement
  • Quantum state
  • Qubit
  • multiparty computation
  • privacy

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