AU2020424576C1 - 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
AU2020424576C1
AU2020424576C1 AU2020424576A AU2020424576A AU2020424576C1 AU 2020424576 C1 AU2020424576 C1 AU 2020424576C1 AU 2020424576 A AU2020424576 A AU 2020424576A AU 2020424576 A AU2020424576 A AU 2020424576A AU 2020424576 C1 AU2020424576 C1 AU 2020424576C1
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AU
Australia
Prior art keywords
secure computation
secret share
share value
value
secure
Prior art date
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Active
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AU2020424576A
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English (en)
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AU2020424576A1 (en
AU2020424576B2 (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
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NTT Inc USA
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Publication date
Application filed by NTT Inc USA filed Critical NTT Inc USA
Publication of AU2020424576A1 publication Critical patent/AU2020424576A1/en
Publication of AU2020424576B2 publication Critical patent/AU2020424576B2/en
Application granted granted Critical
Publication of AU2020424576C1 publication Critical patent/AU2020424576C1/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
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • H04L9/16—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms the keys or algorithms being changed during operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/46—Secure multiparty computation, e.g. millionaire problem

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Complex Calculations (AREA)
  • Hardware Redundancy (AREA)
  • Devices For Executing Special Programs (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AU2020424576A 2020-01-20 2020-01-20 Secure computation apparatus, secure computation method, and program Active AU2020424576C1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/001680 WO2021149103A1 (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 (3)

Publication Number Publication Date
AU2020424576A1 AU2020424576A1 (en) 2022-07-14
AU2020424576B2 AU2020424576B2 (en) 2023-08-17
AU2020424576C1 true AU2020424576C1 (en) 2023-11-09

Family

ID=76992095

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020424576A Active AU2020424576C1 (en) 2020-01-20 2020-01-20 Secure computation apparatus, secure computation method, and program

Country Status (6)

Country Link
US (1) US12192339B2 (https=)
EP (1) EP4095826A4 (https=)
JP (1) JP7405157B2 (https=)
CN (1) CN114981858B (https=)
AU (1) AU2020424576C1 (https=)
WO (1) WO2021149103A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250373420A1 (en) * 2022-07-11 2025-12-04 Ntt, Inc. Secret noise generation system, secret noise generation method and program

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* Cited by examiner, † Cited by third party
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JP2000259077A (ja) * 1999-03-10 2000-09-22 Seiko Epson Corp 情報処理システム
US7113593B2 (en) * 2001-03-06 2006-09-26 Ericsson Inc. Recursive cryptoaccelerator and recursive VHDL design of logic circuits
JP5247773B2 (ja) * 2010-08-03 2013-07-24 中国電力株式会社 暗号装置及びその方法
JP5449576B2 (ja) * 2010-12-27 2014-03-19 三菱電機株式会社 演算装置、演算装置の楕円スカラー倍算方法、楕円スカラー倍算プログラム、演算装置の剰余演算方法および剰余演算プログラム
CN105593919B (zh) * 2013-10-10 2018-01-30 日本电信电话株式会社 秘密商转移装置及方法、秘密比特分解装置及方法、秘密模数转换装置及方法
EP3239963B1 (en) * 2014-12-26 2020-07-22 Nippon Telegraph and Telephone Corporation Secret falsification detection system, secret computation apparatus, secret falsification detecting method, and program
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
JP6053238B2 (ja) * 2016-01-13 2016-12-27 日本電信電話株式会社 秘密改ざん検知システム、秘密計算装置、秘密改ざん検知方法、およびプログラム
JP6988807B2 (ja) * 2016-08-18 2022-01-05 日本電気株式会社 秘密計算システム、秘密計算方法、秘密計算装置および秘密計算プログラム
JP7041951B2 (ja) * 2018-02-20 2022-03-25 惠市 岩村 入力者装置、演算支援装置、及びプログラム
WO2020075797A1 (ja) * 2018-10-10 2020-04-16 日本電信電話株式会社 秘密右シフト演算システム、秘密除算システム、それらの方法、秘密計算装置、およびプログラム
EP3602410B1 (en) 2019-01-11 2021-09-29 Advanced New Technologies Co., Ltd. A logistic regression modeling scheme using secret sharing

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
OHATA, SATSUYA: "Reconsideration of privacy-preserving deep learning", 3F1-5: RECONSIDERING PRIVACY-PRESERVING DEEP NEURAL NETWORKS, 23 January 2018 (2018-01-23), JP, pages 1 - 8, XP009530172 *
RADU SION: "Financial Cryptography and Data Security", vol. 6052, 25 Jan 2010, SPRINGER BERLIN HEIDELBERG, ISBN: 978-3-642-14576-6, article OCTAVIAN CATRINA et al. "Secure Computation with Fixed-Point Numbers", pgs: 35 - 50, XP019147523 *

Also Published As

Publication number Publication date
US12192339B2 (en) 2025-01-07
JPWO2021149103A1 (https=) 2021-07-29
WO2021149103A1 (ja) 2021-07-29
AU2020424576A1 (en) 2022-07-14
EP4095826A4 (en) 2023-10-25
CN114981858A (zh) 2022-08-30
US20230101710A1 (en) 2023-03-30
EP4095826A1 (en) 2022-11-30
AU2020424576B2 (en) 2023-08-17
CN114981858B (zh) 2025-07-22
JP7405157B2 (ja) 2023-12-26

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Date Code Title Description
DA3 Amendments made section 104

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

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

DA2 Applications for amendment section 104

Free format text: THE NATURE OF THE AMENDMENT IS AS SHOWN IN THE STATEMENT(S) FILED 02 AUG 2023

DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS AS SHOWN IN THE STATEMENT(S) FILED 02 AUG 2023

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

Owner name: NTT, INC.

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

Owner name: NTT, INC.

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