AU2020423806B2 - Secure computation apparatus, secure computation method, and program - Google Patents

Secure computation apparatus, secure computation method, and program Download PDF

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Publication number
AU2020423806B2
AU2020423806B2 AU2020423806A AU2020423806A AU2020423806B2 AU 2020423806 B2 AU2020423806 B2 AU 2020423806B2 AU 2020423806 A AU2020423806 A AU 2020423806A AU 2020423806 A AU2020423806 A AU 2020423806A AU 2020423806 B2 AU2020423806 B2 AU 2020423806B2
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AU
Australia
Prior art keywords
secure computation
value
secret share
public
program
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
AU2020423806A
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English (en)
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AU2020423806A1 (en
Inventor
Dai Ikarashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
Original Assignee
NTT Inc USA
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Publication date
Application filed by NTT Inc USA filed Critical NTT Inc USA
Publication of AU2020423806A1 publication Critical patent/AU2020423806A1/en
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Publication of AU2020423806B2 publication Critical patent/AU2020423806B2/en
Assigned to NTT, INC. reassignment NTT, INC. Request to Amend Deed and Register Assignors: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Assigned to NTT, INC. reassignment NTT, INC. Request to Amend Deed and Register Assignors: NTT, INC.
Assigned to NTT, INC. reassignment NTT, INC. Request to Amend Deed and Register Assignors: NTT, INC.
Active legal-status Critical Current
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/085Secret sharing or secret splitting, e.g. threshold schemes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09CCIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3006Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/46Secure multiparty computation, e.g. millionaire problem

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Complex Calculations (AREA)
  • Storage Device Security (AREA)
  • Hardware Redundancy (AREA)
  • Devices For Executing Special Programs (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AU2020423806A 2020-01-20 2020-01-20 Secure computation apparatus, secure computation method, and program Active AU2020423806B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/001683 WO2021149106A1 (ja) 2020-01-20 2020-01-20 秘密計算装置、秘密計算方法、およびプログラム

Publications (2)

Publication Number Publication Date
AU2020423806A1 AU2020423806A1 (en) 2022-07-14
AU2020423806B2 true AU2020423806B2 (en) 2023-06-08

Family

ID=76992097

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020423806A Active AU2020423806B2 (en) 2020-01-20 2020-01-20 Secure computation apparatus, secure computation method, and program

Country Status (6)

Country Link
US (1) US12166864B2 (https=)
EP (1) EP4095830B1 (https=)
JP (1) JP7290178B2 (https=)
CN (1) CN114981860B (https=)
AU (1) AU2020423806B2 (https=)
WO (1) WO2021149106A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014164144A (ja) * 2013-02-26 2014-09-08 Nippon Telegr & Teleph Corp <Ntt> 秘密表除算装置及び方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050088506A (ko) * 2004-03-02 2005-09-07 삼성전자주식회사 다중 세정도를 지원하는 확장형 몽고메리 모듈러 곱셈기
JP4685621B2 (ja) * 2005-12-20 2011-05-18 日本電信電話株式会社 鍵生成装置、暗号化装置、復号化装置、乗法型ナップザック暗号システム、乗法型ナップザック暗号復号方法およびプログラム
WO2008010441A1 (en) * 2006-07-21 2008-01-24 Nec Corporation Encryption device, program, and method
JP2008252299A (ja) * 2007-03-29 2008-10-16 Hitachi Ltd 暗号処理システム及び暗号処理方法
JP2010008883A (ja) * 2008-06-30 2010-01-14 Toshiba Corp 暗号用演算装置、暗号用演算方法及びプログラム
JP5957126B1 (ja) * 2015-06-24 2016-07-27 日本電信電話株式会社 秘密計算装置、秘密計算方法、およびプログラム
CN107566121B (zh) * 2016-11-18 2020-03-10 上海扈民区块链科技有限公司 一类高效的秘密共识方法
CN107196764A (zh) * 2017-07-19 2017-09-22 龙迅半导体(合肥)股份有限公司 一种rsa加解密处理方法和装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014164144A (ja) * 2013-02-26 2014-09-08 Nippon Telegr & Teleph Corp <Ntt> 秘密表除算装置及び方法

Also Published As

Publication number Publication date
AU2020423806A1 (en) 2022-07-14
EP4095830B1 (en) 2024-10-30
EP4095830A4 (en) 2023-10-18
JPWO2021149106A1 (https=) 2021-07-29
JP7290178B2 (ja) 2023-06-13
CN114981860A (zh) 2022-08-30
CN114981860B (zh) 2025-06-27
EP4095830A1 (en) 2022-11-30
WO2021149106A1 (ja) 2021-07-29
US12166864B2 (en) 2024-12-10
US20230102267A1 (en) 2023-03-30

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DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS: AMEND THE INVENTION TITLE TO READ SECURE COMPUTATION APPARATUS, SECURE COMPUTATION METHOD, AND PROGRAM

FGA Letters patent sealed or granted (standard patent)
HB Alteration of name in register

Owner name: NTT, INC.

Free format text: FORMER NAME(S): NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Owner name: NTT, INC.

Free format text: FORMER NAME(S): NTT, INC.