JP6144992B2 - 検索可能暗号処理システム及び方法 - Google Patents

検索可能暗号処理システム及び方法 Download PDF

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JP6144992B2
JP6144992B2 JP2013165187A JP2013165187A JP6144992B2 JP 6144992 B2 JP6144992 B2 JP 6144992B2 JP 2013165187 A JP2013165187 A JP 2013165187A JP 2013165187 A JP2013165187 A JP 2013165187A JP 6144992 B2 JP6144992 B2 JP 6144992B2
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data
search
unit
client
secret
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JP2015035072A (ja
JP2015035072A5 (enExample
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雅之 吉野
雅之 吉野
尚宜 佐藤
尚宜 佐藤
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Hitachi Ltd
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Hitachi Ltd
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Priority to EP14179580.7A priority patent/EP2894810B1/en
Priority to US14/451,469 priority patent/US9892211B2/en
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/903—Querying
    • G06F16/90335—Query processing
    • 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
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
    • G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
    • G06F16/7837—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using objects detected or recognised in the video content
    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Library & Information Science (AREA)
  • Databases & Information Systems (AREA)
  • Multimedia (AREA)
  • Data Mining & Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
JP2013165187A 2013-08-08 2013-08-08 検索可能暗号処理システム及び方法 Active JP6144992B2 (ja)

Priority Applications (3)

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JP2013165187A JP6144992B2 (ja) 2013-08-08 2013-08-08 検索可能暗号処理システム及び方法
EP14179580.7A EP2894810B1 (en) 2013-08-08 2014-08-01 Searchable Code Processing System and Method
US14/451,469 US9892211B2 (en) 2013-08-08 2014-08-05 Searchable code processing system and method

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JP2013165187A JP6144992B2 (ja) 2013-08-08 2013-08-08 検索可能暗号処理システム及び方法

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JP2015035072A JP2015035072A (ja) 2015-02-19
JP2015035072A5 JP2015035072A5 (enExample) 2016-06-09
JP6144992B2 true JP6144992B2 (ja) 2017-06-07

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US (1) US9892211B2 (enExample)
EP (1) EP2894810B1 (enExample)
JP (1) JP6144992B2 (enExample)

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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
JP6961324B2 (ja) * 2015-08-25 2021-11-05 株式会社日立製作所 検索可能暗号処理システム
US10673614B2 (en) * 2015-10-09 2020-06-02 Mitsubishi Electric Corporation Secret search system, management device, secret search method and computer readable medium
WO2017096603A1 (zh) 2015-12-10 2017-06-15 深圳市大疆创新科技有限公司 数据连接、传送、接收、交互的方法及系统，及存储器、飞行器
WO2017122326A1 (ja) 2016-01-14 2017-07-20 三菱電機株式会社 秘匿検索システム、秘匿検索方法及び秘匿検索プログラム
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
WO2017168798A1 (ja) * 2016-03-30 2017-10-05 株式会社日立ソリューションズ 暗号化検索インデックスマージサーバ、暗号化検索インデックスマージシステム、及び暗号化検索インデックスマージ方法
US11216569B2 (en) * 2016-06-29 2022-01-04 Prosper Creative Co., Ltd. Data masking system
WO2018042071A1 (en) * 2016-08-30 2018-03-08 Nokia Technologies Oy Controlling transmission of information on radio links used in aggregation
US10812252B2 (en) 2017-01-09 2020-10-20 Microsoft Technology Licensing, Llc String matching in encrypted data
WO2018134922A1 (ja) 2017-01-18 2018-07-26 三菱電機株式会社 準同型演算装置、暗号システム及び準同型演算プログラム
JP6584723B2 (ja) 2017-04-25 2019-10-02 三菱電機株式会社 検索装置、検索システム、検索方法及び検索プログラム
CN107196918B (zh) * 2017-04-27 2020-10-30 北京小米移动软件有限公司 一种匹配数据的方法和装置
US11196539B2 (en) 2017-06-22 2021-12-07 Microsoft Technology Licensing, Llc Multiplication operations on homomorphic encrypted data
US10541805B2 (en) 2017-06-26 2020-01-21 Microsoft Technology Licensing, Llc Variable relinearization in homomorphic encryption
US10749665B2 (en) 2017-06-29 2020-08-18 Microsoft Technology Licensing, Llc High-precision rational number arithmetic in homomorphic encryption
CN107357632A (zh) * 2017-07-17 2017-11-17 郑州云海信息技术有限公司 一种命令行解析方法及装置
JP6840692B2 (ja) * 2018-02-22 2021-03-10 株式会社日立製作所 計算機システム、接続装置、及びデータ処理方法
EP3584991A1 (en) * 2018-06-18 2019-12-25 Koninklijke Philips N.V. Device for data encryption and integrity
US11764940B2 (en) 2019-01-10 2023-09-19 Duality Technologies, Inc. Secure search of secret data in a semi-trusted environment using homomorphic encryption
CN114503796B (zh) * 2019-09-30 2023-09-01 株式会社富士 数据管理系统
US12099997B1 (en) 2020-01-31 2024-09-24 Steven Mark Hoffberg Tokenized fungible liabilities
WO2022201234A1 (ja) * 2021-03-22 2022-09-29 日本電信電話株式会社 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
CN118339597A (zh) 2021-12-14 2024-07-12 三菱电机株式会社 隐匿检索系统、隐匿检索方法以及隐匿检索程序
US12388622B2 (en) * 2023-02-09 2025-08-12 International Business Machines Corporation Masking ciphertexts using random elements for secure decryption

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US7856100B2 (en) * 2005-12-19 2010-12-21 Microsoft Corporation Privacy-preserving data aggregation using homomorphic encryption
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CN102713996A (zh) * 2010-01-13 2012-10-03 三菱电机株式会社 隐匿检索系统以及公开参数生成装置以及加密装置以及用户秘密密钥生成装置以及查询发布装置以及检索装置以及计算机程序以及隐匿检索方法以及公开参数生成方法以及加密方法以及用户秘密密钥生成方法以及查询发布方法以及检索方法
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WO2012114452A1 (ja) * 2011-02-22 2012-08-30 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
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JP2014126865A (ja) * 2012-12-27 2014-07-07 Fujitsu Ltd 暗号処理装置および方法

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JP2015035072A (ja) 2015-02-19
US9892211B2 (en) 2018-02-13
EP2894810A1 (en) 2015-07-15
EP2894810B1 (en) 2020-07-15
US20150046450A1 (en) 2015-02-12

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