JP5668191B2 - 暗号化データ管理装置、暗号化データ管理方法及び暗号化データ管理プログラム - Google Patents

暗号化データ管理装置、暗号化データ管理方法及び暗号化データ管理プログラム Download PDF

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Publication number
JP5668191B2
JP5668191B2 JP2013549994A JP2013549994A JP5668191B2 JP 5668191 B2 JP5668191 B2 JP 5668191B2 JP 2013549994 A JP2013549994 A JP 2013549994A JP 2013549994 A JP2013549994 A JP 2013549994A JP 5668191 B2 JP5668191 B2 JP 5668191B2
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encrypted data
key
vector
key information
user
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Japanese (ja)
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JPWO2013094018A1 (ja
Inventor
幸宏 市川
幸宏 市川
松田　規
規 松田
忠和 山中
忠和 山中
克幸 高島
克幸 高島
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • 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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Storage Device Security (AREA)
JP2013549994A 2011-12-20 2011-12-20 暗号化データ管理装置、暗号化データ管理方法及び暗号化データ管理プログラム Expired - Fee Related JP5668191B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/079519 WO2013094018A1 (ja) 2011-12-20 2011-12-20 暗号化データ管理装置、暗号化データ管理方法及び暗号化データ管理プログラム

Publications (2)

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JP5668191B2 true JP5668191B2 (ja) 2015-02-12
JPWO2013094018A1 JPWO2013094018A1 (ja) 2015-04-27

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JP2013549994A Expired - Fee Related JP5668191B2 (ja) 2011-12-20 2011-12-20 暗号化データ管理装置、暗号化データ管理方法及び暗号化データ管理プログラム

Country Status (6)

Country Link
US (1) US9237013B2 (enExample)
EP (1) EP2797254A4 (enExample)
JP (1) JP5668191B2 (enExample)
CN (1) CN104012028B (enExample)
IN (1) IN2014CN04197A (enExample)
WO (1) WO2013094018A1 (enExample)

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CN103023944B (zh) * 2011-09-27 2015-11-25 腾讯科技（深圳）有限公司 一种sns网络中推送关联用户的方法及系统
EP3001346B1 (en) * 2013-07-18 2018-04-04 Nippon Telegraph and Telephone Corporation Directory service device, client device, key cloud system, method thereof, and program
EP3057262B1 (en) 2013-10-09 2021-07-28 Mitsubishi Electric Corporation Cipher system, encryption device, re-encryption key generation device, re-encryption device, and cipher program
WO2015087407A1 (ja) * 2013-12-11 2015-06-18 三菱電機株式会社 ファイル保管システム、ファイル保管装置及びユーザ端末
WO2015107641A1 (ja) * 2014-01-16 2015-07-23 三菱電機株式会社 暗号システム、鍵生成装置、再暗号化装置及びユーザ端末
JP6283119B2 (ja) * 2014-10-07 2018-02-21 日本電信電話株式会社 秘密計算システム、中継装置、それらの方法、プログラム、および記録媒体
JP6272546B2 (ja) * 2015-02-20 2018-01-31 三菱電機株式会社 データ保管装置及びデータ処理方法及びデータ処理プログラム
CN107251480B (zh) * 2015-02-20 2018-07-10 三菱电机株式会社 数据保管装置、数据更新系统和数据处理方法
US9811680B2 (en) 2015-06-04 2017-11-07 Microsoft Technology Licensing, Llc Secure storage and sharing of data by hybrid encryption using predefined schema
EP3483866B1 (en) * 2016-07-06 2020-12-23 Nippon Telegraph and Telephone Corporation Secure computation system, secure computation device, secure computation method, and program
JP6575547B2 (ja) 2017-03-17 2019-09-18 富士ゼロックス株式会社 ドキュメント管理システム
US10666422B2 (en) * 2017-12-29 2020-05-26 Shenzhen China Star Optoelectronics Technology Co., Ltd. Data processing method

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EP1118184B1 (en) 1999-08-09 2005-12-14 Koninklijke Philips Electronics N.V. Updating a revocation list to foil an adversary
JP3833635B2 (ja) 2003-07-30 2006-10-18 三井住友海上火災保険株式会社 情報管理システム、キー配信サーバ、情報管理方法、及びプログラム
US8515060B2 (en) * 2009-04-24 2013-08-20 Nippon Telegraph And Telephone Corporation Encryption apparatus, decryption apparatus, encryption method, decryption method, security method, program, and recording medium
EP2464051B1 (en) * 2009-08-03 2015-05-27 Nippon Telegraph And Telephone Corporation Function cipher application system
CN103038805B (zh) * 2009-11-20 2015-07-29 三菱电机株式会社 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
JP5269209B2 (ja) * 2010-01-13 2013-08-21 三菱電機株式会社 秘匿検索システム及び公開パラメータ生成装置及び暗号化装置及びユーザ秘密鍵生成装置及びクエリ発行装置及び検索装置及びコンピュータプログラム及び秘匿検索方法及び公開パラメータ生成方法及び暗号化方法及びユーザ秘密鍵生成方法及びクエリ発行方法及び検索方法
US8634563B2 (en) * 2010-12-17 2014-01-21 Microsoft Corporation Attribute based encryption using lattices
US8516244B2 (en) * 2011-06-10 2013-08-20 Zeutro Llc System, apparatus and method for decentralizing attribute-based encryption information

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JPN6014034477; Ｈａｔｔｏｒｉ，　Ｍ．　ｅｔ　ａｌ．: 'Ｓｅａｒｃｈａｂｌｅ　Ｐｕｂｌｉｃ-Ｋｅｙ　Ｅｎｃｒｙｐｔｉｏｎ　ｆｏｒ　Ｈｉｅｒａｒｃｈｉｃａｌ　Ｓｙｓｔｅｍｓ　ｗｉｔｈＡｄａｐｔｉｖｅ　Ｊｏｉｎ／Ｌｅａｖｅ　ｏｆ　Ｍｅｍｂｅｒｓ' ２０１１年　暗号と情報セキュリティシンポジウム予稿集 , 20110125 *
JPN6014034478; 武藤健一郎　他: '情報鍵暗号における鍵管理方式の検討' ２０１１年　暗号と情報セキュリティシンポジウム予稿集 , 20110125 *
JPN6014034481; Ｈｕｒ，　Ｊ．　ａｎｄ　Ｎｏｈ，　Ｄ．　Ｋ．: 'Ａｔｔｒｉｂｕｔｅ-Ｂａｓｅｄ　Ａｃｃｅｓｓ　Ｃｏｎｔｒｏｌ　ｗｉｔｈ　Ｅｆｆｉｃｉｅｎｔ　Ｒｅｖｏｃａｔｉｏｎ　ｉｎ　Ｄａｔａ　Ｏｕｔｓｏｕｒｃｉｎｇ　Ｓｙｓｔｅｍｓ' ＩＥＥＥ　Ｔｒａｎｓａｃｔｉｏｎｓ　ｏｎ　Ｐａｒａｌｌｅｌ　ａｎｄ　Ｄｉｓｔｒｉｂｕｔｅｄ　Ｓｙｓｔｅｍｓ Ｖｏｌｕｍｅ　２２　Ｉｓｓｕｅ　７, 201107, ｐ．１２１４-１２２１ *

Also Published As

Publication number Publication date
EP2797254A1 (en) 2014-10-29
CN104012028B (zh) 2016-10-26
IN2014CN04197A (enExample) 2015-07-17
JPWO2013094018A1 (ja) 2015-04-27
EP2797254A4 (en) 2015-10-28
WO2013094018A1 (ja) 2013-06-27
US9237013B2 (en) 2016-01-12
CN104012028A (zh) 2014-08-27
US20140310521A1 (en) 2014-10-16

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