AU2021436355B2 - Secure search method, system thereof, apparatus thereof, encryption apparatus, searcher terminal, and program - Google Patents

Secure search method, system thereof, apparatus thereof, encryption apparatus, searcher terminal, and program Download PDF

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Publication number
AU2021436355B2
AU2021436355B2 AU2021436355A AU2021436355A AU2021436355B2 AU 2021436355 B2 AU2021436355 B2 AU 2021436355B2 AU 2021436355 A AU2021436355 A AU 2021436355A AU 2021436355 A AU2021436355 A AU 2021436355A AU 2021436355 B2 AU2021436355 B2 AU 2021436355B2
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AU
Australia
Prior art keywords
feature
target
data
search
condition
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AU2021436355A
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English (en)
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AU2021436355A1 (en
Inventor
Koji Chida
Koki Hamada
Atsunori ICHIKAWA
Satoshi Takahashi
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NTT Inc
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NTT Inc USA
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Publication of AU2021436355A1 publication Critical patent/AU2021436355A1/en
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Publication of AU2021436355B2 publication Critical patent/AU2021436355B2/en
Assigned to NTT, INC. reassignment NTT, INC. Request to Amend Deed and Register Assignors: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Active legal-status Critical Current
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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
    • H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/606—Protecting data by securing the transmission between two devices or processes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6227—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database where protection concerns the structure of data, e.g. records, types, queries
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
    • 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
    • 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)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Medical Informatics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Storage Device Security (AREA)
AU2021436355A 2021-03-22 2021-03-22 Secure search method, system thereof, apparatus thereof, encryption apparatus, searcher terminal, and program Active AU2021436355B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/011663 WO2022201234A1 (ja) 2021-03-22 2021-03-22 秘密検索方法、秘密検索システム、秘密検索装置、暗号化装置、検索者端末、およびプログラム

Publications (2)

Publication Number Publication Date
AU2021436355A1 AU2021436355A1 (en) 2023-09-28
AU2021436355B2 true AU2021436355B2 (en) 2024-11-14

Family

ID=83395270

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2021436355A Active AU2021436355B2 (en) 2021-03-22 2021-03-22 Secure search method, system thereof, apparatus thereof, encryption apparatus, searcher terminal, and program

Country Status (6)

Country Link
US (1) US12547749B2 (https=)
EP (1) EP4296996A4 (https=)
JP (1) JPWO2022201234A1 (https=)
CN (1) CN117043835A (https=)
AU (1) AU2021436355B2 (https=)
WO (1) WO2022201234A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7649558B2 (ja) * 2022-11-24 2025-03-21 株式会社アクセル 暗号処理装置、暗号処理方法、暗号処理プログラム

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* Cited by examiner, † Cited by third party
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JP2010160235A (ja) * 2009-01-07 2010-07-22 Nippon Telegr & Teleph Corp <Ntt> 検索システム、端末装置、データベース装置、検索方法及びプログラム
JP5388727B2 (ja) * 2009-07-07 2014-01-15 三菱電機株式会社 情報処理システム及び情報処理装置及びサーバ装置及び情報処理方法及びプログラム
JP5496410B2 (ja) * 2011-02-22 2014-05-21 三菱電機株式会社 類似度算出システム及び類似度算出装置及びコンピュータプログラム及び類似度算出方法
WO2013072947A1 (ja) * 2011-11-14 2013-05-23 株式会社日立製作所 秘匿文字列検索システム
WO2013080365A1 (ja) * 2011-12-01 2013-06-06 株式会社日立製作所 秘匿検索方法および秘匿検索装置
WO2013111284A1 (ja) * 2012-01-25 2013-08-01 三菱電機株式会社 データ検索装置、データ検索方法、データ検索プログラム、データ登録装置、データ登録方法、データ登録プログラムおよび情報処理装置
JP7067061B2 (ja) * 2018-01-05 2022-05-16 富士通株式会社 生体認証装置、生体認証方法および生体認証プログラム
JP6144992B2 (ja) * 2013-08-08 2017-06-07 株式会社日立製作所 検索可能暗号処理システム及び方法
JP2015099961A (ja) * 2013-11-18 2015-05-28 三菱電機株式会社 情報配信システム、サーバ装置、情報生成装置、端末装置、情報配信方法及びプログラム
EP3101645B1 (en) * 2014-01-28 2019-09-04 Nippon Telegraph and Telephone Corporation Secure computation method, secure computation system, secure computation server, registrant terminal, user terminal and program
SG11201608601TA (en) * 2014-04-23 2016-11-29 Agency Science Tech & Res Method and system for generating / decrypting ciphertext, and method and system for searching ciphertexts in a database
JP2016012111A (ja) 2014-06-30 2016-01-21 富士通株式会社 暗号処理方法、暗号処理装置、および暗号処理プログラム
JP6273185B2 (ja) 2014-09-30 2018-01-31 日本電信電話株式会社 監視情報共有システム、監視装置及びプログラム
JP2016224400A (ja) * 2015-05-29 2016-12-28 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 類似情報検索方法、端末装置及び類似情報検索システム
US9875375B2 (en) * 2015-05-29 2018-01-23 Panasonic Intellectual Property Corporation Of America Method for performing similar-information search while keeping content confidential by encryption
JP6557338B2 (ja) * 2015-06-16 2019-08-07 株式会社日立製作所 類似性秘匿検索システム、類似性秘匿検索方法
JP6742852B2 (ja) * 2015-12-14 2020-08-19 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 検索方法、検索システム及びプログラム
US10303893B2 (en) * 2015-12-14 2019-05-28 Panasonic Intellectual Property Corporation Of America Search method, search device, search system, and program
WO2017122352A1 (ja) * 2016-01-15 2017-07-20 三菱電機株式会社 暗号化装置、暗号化方法及び暗号化プログラム
JP6289768B2 (ja) * 2016-01-18 2018-03-07 三菱電機株式会社 暗号化装置、暗号化プログラム及び暗号化方法
JP6507115B2 (ja) * 2016-03-22 2019-04-24 株式会社日立製作所 １：ｎ生体認証・暗号・署名システム
JP6828322B2 (ja) * 2016-09-06 2021-02-10 日本電気株式会社 照合システムと方法とプログラム
US11128452B2 (en) * 2017-03-25 2021-09-21 AVAST Software s.r.o. Encrypted data sharing with a hierarchical key structure
CN108449309B (zh) * 2018-01-19 2019-08-20 华中科技大学 一种混合型可搜索加密方法和系统
WO2019215818A1 (ja) * 2018-05-08 2019-11-14 三菱電機株式会社 登録装置、サーバ装置、秘匿検索システム、秘匿検索方法、登録プログラムおよびサーバプログラム
EP3584991A1 (en) * 2018-06-18 2019-12-25 Koninklijke Philips N.V. Device for data encryption and integrity
JP2020086116A (ja) * 2018-11-26 2020-06-04 ソニー株式会社 情報処理装置および情報処理方法
US11764940B2 (en) * 2019-01-10 2023-09-19 Duality Technologies, Inc. Secure search of secret data in a semi-trusted environment using homomorphic encryption
US11308234B1 (en) * 2020-04-02 2022-04-19 Wells Fargo Bank, N.A. Methods for protecting data
US11816212B2 (en) * 2020-04-15 2023-11-14 Inferati Inc. Large scale zero trust malware detection

Also Published As

Publication number Publication date
JPWO2022201234A1 (https=) 2022-09-29
CN117043835A (zh) 2023-11-10
WO2022201234A1 (ja) 2022-09-29
US20240176903A1 (en) 2024-05-30
EP4296996A1 (en) 2023-12-27
EP4296996A4 (en) 2025-01-01
AU2021436355A1 (en) 2023-09-28
US12547749B2 (en) 2026-02-10

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Legal Events

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 SEARCH METHOD, SYSTEM THEREOF, APPARATUS THEREOF, ENCRYPTION APPARATUS, SEARCHER TERMINAL, 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