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Multi-party Quantum Computation with Public Verifiable Identifiable Abort (MPQC-PVIA) in Preprocessing Model

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Multi-party Quantum Computation with Public Verifiable Identifiable Abort (MPQC-PVIA) in Preprocessing Model

  • LecturerMs. Mi-Ying Huang (University of Southern California)
    Host: Kai-Min Chung
  • Time2022-06-24 (Fri.) 10:15 – 12:15
  • LocationAuditorium101 at IIS new Building
Abstract
We construct the first secure multi-party quantum computation with public verifiable identifiable abort (MPQC-PVIA) protocol in the preprocessing model, which allows outside observers to agree on the identity of a malicious party in case of an abort. In order to achieve PVIA, we propose a new primitive called Auditable Quantum Authentication(AQA) that publicly identifies the malicious sender with noticeable probability. Our protocol is secure, assuming a post-quantum secure multi-party computation scheme with public verifiable identifiable abort.