JPWO2022244079A1 - - Google Patents

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Publication number
JPWO2022244079A1
JPWO2022244079A1 JP2023518898A JP2023518898A JPWO2022244079A1 JP WO2022244079 A1 JPWO2022244079 A1 JP WO2022244079A1 JP 2023518898 A JP2023518898 A JP 2023518898A JP 2023518898 A JP2023518898 A JP 2023518898A JP WO2022244079 A1 JPWO2022244079 A1 JP WO2022244079A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2023518898A
Other languages
Japanese (ja)
Other versions
JP7325689B2 (ja
JPWO2022244079A5 (https=
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Application filed filed Critical
Publication of JPWO2022244079A1 publication Critical patent/JPWO2022244079A1/ja
Publication of JPWO2022244079A5 publication Critical patent/JPWO2022244079A5/ja
Application granted granted Critical
Publication of JP7325689B2 publication Critical patent/JP7325689B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04L9/30—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
    • 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • H04L9/16—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms the keys or algorithms being changed during operation
    • 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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • 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
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0847—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving identity based encryption [IBE] schemes

Landscapes

  • 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)
JP2023518898A 2021-05-17 2021-05-17 暗号文変換システム、変換鍵生成方法、及び、変換鍵生成プログラム Active JP7325689B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/018664 WO2022244079A1 (ja) 2021-05-17 2021-05-17 暗号文変換システム、変換鍵生成方法、及び、変換鍵生成プログラム

Publications (3)

Publication Number Publication Date
JPWO2022244079A1 true JPWO2022244079A1 (https=) 2022-11-24
JPWO2022244079A5 JPWO2022244079A5 (https=) 2023-05-25
JP7325689B2 JP7325689B2 (ja) 2023-08-14

Family

ID=84141283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023518898A Active JP7325689B2 (ja) 2021-05-17 2021-05-17 暗号文変換システム、変換鍵生成方法、及び、変換鍵生成プログラム

Country Status (5)

Country Link
US (1) US20240048377A1 (https=)
JP (1) JP7325689B2 (https=)
CN (1) CN117242740A (https=)
DE (1) DE112021007337B4 (https=)
WO (1) WO2022244079A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023199435A1 (ja) 2022-04-13 2023-10-19 三菱電機株式会社 暗号文変換システム、暗号文変換方法、及び暗号文変換プログラム
WO2023199436A1 (ja) 2022-04-13 2023-10-19 三菱電機株式会社 暗号文変換システム、暗号文変換方法、及び暗号文変換プログラム
US12476945B2 (en) * 2022-12-28 2025-11-18 Crypto Lab Inc. Electronic device for performing evaluation of encrypted messages and methods thereof
CN116720537B (zh) * 2023-08-10 2023-10-10 天津环球磁卡科技有限公司 一种公交卡数据的读取方法及读取系统
CN119135399B (zh) * 2024-08-30 2025-12-16 蚂蚁区块链科技(上海)有限公司 一种数据共享方法、装置和系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016189527A (ja) * 2015-03-30 2016-11-04 三菱電機株式会社 情報処理装置及び情報処理システム及び情報処理方法及び情報処理プログラム
WO2018225248A1 (ja) * 2017-06-09 2018-12-13 三菱電機株式会社 再暗号化鍵生成装置、再暗号化装置、再暗号化暗号文復号装置及び暗号システム
JP6867718B1 (ja) * 2020-02-20 2021-05-12 Ｅａｇｌｙｓ株式会社 情報処理システム、情報処理装置、情報処理方法、および、情報処理プログラム

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CN100483992C (zh) * 2003-05-06 2009-04-29 国际商业机器公司 数据流的加密、解密方法和装置
US8996863B2 (en) * 2010-12-03 2015-03-31 Yacov Yacobi Attribute-based access-controlled data-storage system
US8635464B2 (en) * 2010-12-03 2014-01-21 Yacov Yacobi Attribute-based access-controlled data-storage system
US8862902B2 (en) * 2011-04-29 2014-10-14 Seagate Technology Llc Cascaded data encryption dependent on attributes of physical memory
CN104871477B (zh) * 2013-01-16 2018-07-10 三菱电机株式会社 加密系统、重加密密钥生成装置、重加密装置、加密方法
EP2947640B1 (en) * 2013-01-18 2017-08-02 Mitsubishi Electric Corporation Data decryption device, attribute-based encryption system, random number element removing device, data decryption method, and data decryption programm.
JP6022073B2 (ja) * 2013-10-09 2016-11-09 三菱電機株式会社 暗号システム、再暗号化鍵生成装置及び再暗号化装置
EP3238368B1 (en) * 2014-12-23 2020-09-02 Nokia Technologies Oy Method and apparatus for duplicated data management in cloud computing
US10581603B2 (en) * 2016-05-06 2020-03-03 ZeroDB, Inc. Method and system for secure delegated access to encrypted data in big data computing clusters
CN108989037A (zh) * 2018-08-31 2018-12-11 深圳市元征科技股份有限公司 一种多授权属性基加密方法、系统、设备及计算机介质
WO2020112210A2 (en) * 2018-09-14 2020-06-04 SeaPort, Inc. Methods and systems for customized encoding and decoding communications
US11310041B2 (en) * 2019-04-05 2022-04-19 Arizona Board Of Regents On Behalf Of Arizona State University Method and apparatus for achieving fine-grained access control with discretionary user revocation over cloud data
JP7317603B2 (ja) * 2019-07-09 2023-07-31 キヤノン株式会社 画像処理装置、システム、サーバー、制御方法及びプログラム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016189527A (ja) * 2015-03-30 2016-11-04 三菱電機株式会社 情報処理装置及び情報処理システム及び情報処理方法及び情報処理プログラム
WO2018225248A1 (ja) * 2017-06-09 2018-12-13 三菱電機株式会社 再暗号化鍵生成装置、再暗号化装置、再暗号化暗号文復号装置及び暗号システム
JP6867718B1 (ja) * 2020-02-20 2021-05-12 Ｅａｇｌｙｓ株式会社 情報処理システム、情報処理装置、情報処理方法、および、情報処理プログラム

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
水野 健生 ほか: "ＩＢＥ−ＰＫＥプロキシ再暗号化方式に関する一考察", 電子情報通信学会技術研究報告, vol. 第107巻，第397号, JPN6021029543, 12 December 2007 (2007-12-12), JP, pages 85 - 92, ISSN: 0005101127 *

Also Published As

Publication number Publication date
DE112021007337B4 (de) 2025-04-24
WO2022244079A1 (ja) 2022-11-24
US20240048377A1 (en) 2024-02-08
JP7325689B2 (ja) 2023-08-14
DE112021007337T5 (de) 2024-01-11
CN117242740A (zh) 2023-12-15

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