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QUANTUM PROGRAM CONCEALING DEVICE AND QUANTUM PROGRAM CONCEALING METHOD

外国特許コード F110004423
整理番号 K02103WO
掲載日 2011年7月15日
出願国 カナダ
出願番号 2672046
公報番号 2672046
公報番号 2672046
出願日 平成19年12月25日(2007.12.25)
公報発行日 平成20年11月27日(2008.11.27)
公報発行日 平成24年5月22日(2012.5.22)
優先権データ
  • 特願2007-136984 (2007.5.23) JP
発明の名称 (英語) QUANTUM PROGRAM CONCEALING DEVICE AND QUANTUM PROGRAM CONCEALING METHOD
発明の概要(英語)

An object of the present invention is to enable an authorized user to execute a quantum program, without letting the authorized user know the operation contents of the quantum program. A quantum program concealment device 10 includes an expansion unit 12 that generates an expanded quantum program that includes an inputted quantum program and has a quantum secret key quantum bit space corresponding to a quantum secret key in addition to an input quantum bit space of the quantum program, a control operation addition unit 13 that rewrites the expanded quantum program so as to perform a control operation that executes a quantum program in a case where the quantum secret key quantum bit space is in a predetermined state, an encryption unit 15 that adds, to the expanded quantum program,

a first quantum gate array and a second quantum gate array for performing operations with respect to a state of the quantum secret key quantum bit space, a secret key generation unit 16 that generates a quantum secret key by performing an inverse operation of the first quantum gate array, and an obfuscation unit 17 that performs obfuscation with respect to the expanded quantum program to which the first quantum gate array has been added.

  • 出願人(英語)
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • 発明者(英語)
  • MURAO, MIO,
  • TANAKA, YU
国際特許分類(IPC)
参考情報 (研究プロジェクト等) PRESTO Quanta and Information AREA
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