JP2011128609A5 - - Google Patents

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Publication number
JP2011128609A5
JP2011128609A5 JP2010258447A JP2010258447A JP2011128609A5 JP 2011128609 A5 JP2011128609 A5 JP 2011128609A5 JP 2010258447 A JP2010258447 A JP 2010258447A JP 2010258447 A JP2010258447 A JP 2010258447A JP 2011128609 A5 JP2011128609 A5 JP 2011128609A5
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Japan
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vector
key
basis
dec
coefficient
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JP2010258447A
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Japanese (ja)
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JP2011128609A (ja
JP5769401B2 (ja
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JP2010258447A 2009-11-20 2010-11-19 暗号処理システム、鍵生成装置、鍵委譲装置、暗号化装置、復号装置、暗号処理方法及びプログラム Active JP5769401B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010258447A JP5769401B2 (ja) 2009-11-20 2010-11-19 暗号処理システム、鍵生成装置、鍵委譲装置、暗号化装置、復号装置、暗号処理方法及びプログラム

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009264454 2009-11-20
JP2009264454 2009-11-20
JP2010258447A JP5769401B2 (ja) 2009-11-20 2010-11-19 暗号処理システム、鍵生成装置、鍵委譲装置、暗号化装置、復号装置、暗号処理方法及びプログラム

Publications (3)

Publication Number Publication Date
JP2011128609A JP2011128609A (ja) 2011-06-30
JP2011128609A5 true JP2011128609A5 (enExample) 2013-12-19
JP5769401B2 JP5769401B2 (ja) 2015-08-26

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JP2010258447A Active JP5769401B2 (ja) 2009-11-20 2010-11-19 暗号処理システム、鍵生成装置、鍵委譲装置、暗号化装置、復号装置、暗号処理方法及びプログラム

Country Status (7)

Country Link
US (1) US8577030B2 (enExample)
EP (1) EP2503533B1 (enExample)
JP (1) JP5769401B2 (enExample)
KR (1) KR101336349B1 (enExample)
CN (1) CN103038805B (enExample)
ES (1) ES2602052T3 (enExample)
WO (1) WO2011062136A1 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8615668B2 (en) 2010-01-15 2013-12-24 Mitsubishi Electric Corporation Confidential search system and cryptographic processing system
US8462939B2 (en) * 2010-12-07 2013-06-11 King Fahd University Of Petroleum And Minerals RNS-based cryptographic system and method
WO2013046102A2 (en) 2011-09-28 2013-04-04 Koninklijke Philips Electronics N.V. Hierarchical attribute-based encryption and decryption
CN104012028B (zh) * 2011-12-20 2016-10-26 三菱电机株式会社 加密数据管理装置以及加密数据管理方法
JP5730805B2 (ja) * 2012-04-04 2015-06-10 日本電信電話株式会社 格子問題に基づく階層型内積暗号システム，格子問題に基づく階層型内積暗号方法，装置
EP2947641B1 (en) * 2013-01-16 2018-03-14 Mitsubishi Electric Corporation Information processing device, information processing method, and program
EP2860905A1 (en) * 2013-10-09 2015-04-15 Thomson Licensing Method for ciphering a message via a keyed homomorphic encryption function, corresponding electronic device and computer program product
JP6053983B2 (ja) 2014-02-24 2016-12-27 三菱電機株式会社 暗号システム、署名システム、暗号プログラム及び署名プログラム
US10454673B2 (en) * 2014-12-05 2019-10-22 Mitsubishi Electric Corporation Cryptographic system, master key update apparatus, and non-transitory computer-readable recording medium storing master key update program
JP6305638B2 (ja) 2015-04-07 2018-04-04 三菱電機株式会社 暗号システム及び鍵生成装置
EP3483866B1 (en) * 2016-07-06 2020-12-23 Nippon Telegraph and Telephone Corporation Secure computation system, secure computation device, secure computation method, and program
US10205713B2 (en) * 2017-04-05 2019-02-12 Fujitsu Limited Private and mutually authenticated key exchange
AU2018271515B2 (en) * 2017-05-25 2020-09-10 Ntt, Inc. Secret tampering detection system, secret tampering detection apparatus, secret tampering detection method, and program
JP6456451B1 (ja) 2017-09-25 2019-01-23 エヌ・ティ・ティ・コミュニケーションズ株式会社 通信装置、通信方法、及びプログラム
US11483136B2 (en) 2019-12-10 2022-10-25 Google Llc Wrapped keys with access control predicates
US12099997B1 (en) 2020-01-31 2024-09-24 Steven Mark Hoffberg Tokenized fungible liabilities
CN112733111B (zh) * 2020-12-31 2023-05-23 暨南大学 一种基于片段分割的阈值谓词加密生物特征认证方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070223686A1 (en) * 2004-09-16 2007-09-27 Shidong Li Methods and apparatus for data and signal encryption and decryption by irregular subspace leaping
JP2008011092A (ja) * 2006-06-28 2008-01-17 Fuji Xerox Co Ltd 暗号化コンテンツ検索方式
EP2234322B1 (en) 2008-01-18 2019-10-02 Mitsubishi Electric Corporation Cryptographic parameter setting device, cryptographic system, program, and cryptographic parameter setting method
CN101335615B (zh) * 2008-05-30 2010-12-29 北京飞天诚信科技有限公司 用于usb key音频加解密装置密钥协商的方法
CN101404577B (zh) * 2008-10-30 2010-04-21 南京大学 一种融合多种保密技术的保密通信方法
JP5349261B2 (ja) * 2009-04-23 2013-11-20 三菱電機株式会社 暗号処理システム、鍵生成装置、鍵委譲装置、暗号化装置、復号装置、暗号処理方法及び暗号処理プログラム
JP5291795B2 (ja) * 2009-04-24 2013-09-18 日本電信電話株式会社 暗号化装置、復号装置、暗号化方法、復号方法、セキュリティ方法、プログラム及び記録媒体
US8615668B2 (en) * 2010-01-15 2013-12-24 Mitsubishi Electric Corporation Confidential search system and cryptographic processing system

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