JP2011141472A5 - - Google Patents

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Publication number
JP2011141472A5
JP2011141472A5 JP2010002709A JP2010002709A JP2011141472A5 JP 2011141472 A5 JP2011141472 A5 JP 2011141472A5 JP 2010002709 A JP2010002709 A JP 2010002709A JP 2010002709 A JP2010002709 A JP 2010002709A JP 2011141472 A5 JP2011141472 A5 JP 2011141472A5
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JP
Japan
Prior art keywords
vector
basis
dec
integer
coefficient
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JP2010002709A
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English (en)
Japanese (ja)
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JP2011141472A (ja
JP5334873B2 (ja
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Publication date
Application filed filed Critical
Priority claimed from JP2010002709A external-priority patent/JP5334873B2/ja
Priority to JP2010002709A priority Critical patent/JP5334873B2/ja
Priority to US13/521,104 priority patent/US8929542B2/en
Priority to CN201080065341.7A priority patent/CN102822883B/zh
Priority to PCT/JP2010/072912 priority patent/WO2011083678A1/ja
Priority to EP10842191.8A priority patent/EP2523178B1/en
Priority to KR1020127019705A priority patent/KR101310439B1/ko
Priority to ES10842191T priority patent/ES2955589T3/es
Publication of JP2011141472A publication Critical patent/JP2011141472A/ja
Publication of JP2011141472A5 publication Critical patent/JP2011141472A5/ja
Publication of JP5334873B2 publication Critical patent/JP5334873B2/ja
Application granted granted Critical
Active legal-status Critical Current
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JP2010002709A 2010-01-08 2010-01-08 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 Active JP5334873B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2010002709A JP5334873B2 (ja) 2010-01-08 2010-01-08 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
EP10842191.8A EP2523178B1 (en) 2010-01-08 2010-12-20 Cryptographic processing system, key generation device, key delegation device, encryption device, decryption device, cryptographic processing method, and cryptographic processing program
CN201080065341.7A CN102822883B (zh) 2010-01-08 2010-12-20 密码处理系统、密钥生成装置、密钥转让装置、加密装置、解密装置、密码处理方法以及密码处理程序
PCT/JP2010/072912 WO2011083678A1 (ja) 2010-01-08 2010-12-20 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
US13/521,104 US8929542B2 (en) 2010-01-08 2010-12-20 Cryptographic processing system, key generation device, key delegation device, encryption device, decryption device, cryptographic processing method, and cryptographic processing program
KR1020127019705A KR101310439B1 (ko) 2010-01-08 2010-12-20 암호 처리 시스템, 키 생성 장치, 키 위양 장치, 암호화 장치, 복호 장치, 암호 처리 방법 및 암호 처리 프로그램을 기록한 컴퓨터 판독 가능한 기록 매체
ES10842191T ES2955589T3 (es) 2010-01-08 2010-12-20 Sistema de procesamiento criptográfico, dispositivo de generación de clave, dispositivo de delegación de clave, dispositivo de cifrado, dispositivo de descifrado, procedimiento de procesamiento criptográfico y programa de procesamiento criptográfico

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010002709A JP5334873B2 (ja) 2010-01-08 2010-01-08 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

Publications (3)

Publication Number Publication Date
JP2011141472A JP2011141472A (ja) 2011-07-21
JP2011141472A5 true JP2011141472A5 (enExample) 2012-07-05
JP5334873B2 JP5334873B2 (ja) 2013-11-06

Family

ID=44305415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010002709A Active JP5334873B2 (ja) 2010-01-08 2010-01-08 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

Country Status (7)

Country Link
US (1) US8929542B2 (enExample)
EP (1) EP2523178B1 (enExample)
JP (1) JP5334873B2 (enExample)
KR (1) KR101310439B1 (enExample)
CN (1) CN102822883B (enExample)
ES (1) ES2955589T3 (enExample)
WO (1) WO2011083678A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5677273B2 (ja) * 2011-11-18 2015-02-25 三菱電機株式会社 暗号処理システム、暗号処理方法、暗号処理プログラム及び鍵生成装置
JP5680007B2 (ja) * 2012-03-06 2015-03-04 三菱電機株式会社 暗号システム、暗号方法及び暗号プログラム
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
WO2014109066A1 (ja) 2013-01-12 2014-07-17 三菱電機株式会社 鍵生成装置、鍵生成プログラム、秘匿検索システム及び鍵配布方法
WO2014112170A1 (ja) * 2013-01-16 2014-07-24 三菱電機株式会社 情報処理装置及び情報処理方法及びプログラム
JP5841955B2 (ja) * 2013-01-21 2016-01-13 日本電信電話株式会社 関数型暗号システム及び方法
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
US10965459B2 (en) 2015-03-13 2021-03-30 Fornetix Llc Server-client key escrow for applied key management system and process
US10931653B2 (en) * 2016-02-26 2021-02-23 Fornetix Llc System and method for hierarchy manipulation in an encryption key management system
US10205713B2 (en) * 2017-04-05 2019-02-12 Fujitsu Limited Private and mutually authenticated key exchange
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
US12099997B1 (en) 2020-01-31 2024-09-24 Steven Mark Hoffberg Tokenized fungible liabilities

Family Cites Families (7)

* 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
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
EP2423903B1 (en) * 2009-04-24 2014-07-16 Nippon Telegraph And Telephone Corporation Encryption apparatus, deccryption apparatus, encryption method, decryption method, security method, program, and recording medium
CN102713995B (zh) * 2010-01-15 2015-06-24 三菱电机株式会社 隐匿检索系统以及密码处理系统

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