CN102415047B - 密码处理系统 - Google Patents

密码处理系统 Download PDF

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Publication number
CN102415047B
CN102415047B CN201080017994.8A CN201080017994A CN102415047B CN 102415047 B CN102415047 B CN 102415047B CN 201080017994 A CN201080017994 A CN 201080017994A CN 102415047 B CN102415047 B CN 102415047B
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China
Prior art keywords
vector
keys
information
key
formula
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CN201080017994.8A
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English (en)
Chinese (zh)
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CN102415047A (zh
Inventor
高岛克幸
冈本龙明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
NTT Inc
Original Assignee
Mitsubishi Electric Corp
Nippon Telegraph and Telephone Corp
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Publication of CN102415047A publication Critical patent/CN102415047A/zh
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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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/58—Random or pseudo-random number generators
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • 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
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
    • H04L9/0836—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key using tree structure or hierarchical structure
    • 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
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Storage Device Security (AREA)
CN201080017994.8A 2009-04-23 2010-04-14 密码处理系统 Active CN102415047B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2009-104915 2009-04-23
JP2009104915 2009-04-23
JP2009-264576 2009-11-20
JP2009264576A JP5349261B2 (ja) 2009-04-23 2009-11-20 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
PCT/JP2010/056639 WO2010122926A1 (ja) 2009-04-23 2010-04-14 暗号処理システム

Publications (2)

Publication Number Publication Date
CN102415047A CN102415047A (zh) 2012-04-11
CN102415047B true CN102415047B (zh) 2015-12-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201080017994.8A Active CN102415047B (zh) 2009-04-23 2010-04-14 密码处理系统

Country Status (7)

Country Link
US (1) US8559638B2 (enExample)
EP (1) EP2424154B1 (enExample)
JP (1) JP5349261B2 (enExample)
KR (1) KR101359200B1 (enExample)
CN (1) CN102415047B (enExample)
ES (1) ES2873230T3 (enExample)
WO (1) WO2010122926A1 (enExample)

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WO2010123112A1 (ja) * 2009-04-24 2010-10-28 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
US8488780B2 (en) * 2009-04-24 2013-07-16 Nippon Telegraph And Telephone Corporation Finite field calculation apparatus, finite field calculation method and recording medium
US8577030B2 (en) * 2009-11-20 2013-11-05 Mitsubishi Electric Corporation Cryptographic processing system, key generation device, key delegation device, encryption device, decryption device, cryptographic processing method, and cryptographic processing program
JP5334873B2 (ja) * 2010-01-08 2013-11-06 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
WO2011086687A1 (ja) 2010-01-15 2011-07-21 三菱電機株式会社 秘匿検索システム及び暗号処理システム
JP5424974B2 (ja) 2010-04-27 2014-02-26 三菱電機株式会社 暗号処理システム、鍵生成装置、暗号化装置、復号装置、署名処理システム、署名装置及び検証装置
US9276746B2 (en) 2011-01-18 2016-03-01 Mitsubishi Electric Corporation Encryption system, encryption processing method of encryption system, encryption device, decryption device, setup device, key generation device, and key delegation device using a user identifier for a user who belongs to a k-th hierarchy in an organization
JP5606351B2 (ja) * 2011-02-09 2014-10-15 三菱電機株式会社 暗号処理システム、鍵生成装置、暗号化装置、復号装置、鍵委譲装置、暗号処理方法及び暗号処理プログラム
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
JP6057725B2 (ja) * 2013-01-15 2017-01-11 三菱電機株式会社 情報処理装置
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
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
US8559631B1 (en) * 2013-02-09 2013-10-15 Zeutro Llc Systems and methods for efficient decryption of attribute-based encryption
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
US9979536B2 (en) * 2013-10-09 2018-05-22 Mitsubishi Electric Corporation Cryptographic system, encryption device, re-encryption key generation device, re-encryption device, and cryptographic program
US20160344708A1 (en) * 2014-01-14 2016-11-24 Mitsubishi Electric Corporation Cryptographic system, re-encryption key generation device, re-encryption device, and cryptographic computer readable medium
CN106031080B (zh) 2014-02-24 2019-07-16 三菱电机株式会社 加密系统
DE112014007235B4 (de) 2014-12-05 2024-10-10 Mitsubishi Electric Corporation Kryptografisches System, Hauptschlüsselaktualisierungseinrichtung und Hauptschlüsselaktualisierungsprogramm
US9438412B2 (en) * 2014-12-23 2016-09-06 Palo Alto Research Center Incorporated Computer-implemented system and method for multi-party data function computing using discriminative dimensionality-reducing mappings
US10965459B2 (en) 2015-03-13 2021-03-30 Fornetix Llc Server-client key escrow for applied key management system and process
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
CN105635135B (zh) * 2015-12-28 2019-01-25 北京科技大学 一种基于属性集及关系谓词的加密系统及访问控制方法
US10931653B2 (en) * 2016-02-26 2021-02-23 Fornetix Llc System and method for hierarchy manipulation in an encryption key management system
CN106533697B (zh) * 2016-12-06 2019-11-08 上海交通大学 随机数生成与提取方法及其在身份认证上的应用
US10205713B2 (en) * 2017-04-05 2019-02-12 Fujitsu Limited Private and mutually authenticated key exchange
WO2019016185A1 (en) 2017-07-18 2019-01-24 Legic Identsystems Ag METHOD AND DEVICES FOR SECURE COMMUNICATION BETWEEN DEVICES
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
CN115004559A (zh) * 2020-01-20 2022-09-02 上海诺基亚贝尔股份有限公司 基于数据隐私保护的极性编码
US12099997B1 (en) 2020-01-31 2024-09-24 Steven Mark Hoffberg Tokenized fungible liabilities

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CN1178619A (zh) * 1996-01-26 1998-04-08 布尔Cp8公司 非对称密码通信过程与相关的便携装置
CN1706138A (zh) * 2003-02-12 2005-12-07 松下电器产业株式会社 发送装置及无线通信方法

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WO2010123112A1 (ja) * 2009-04-24 2010-10-28 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

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CN1178619A (zh) * 1996-01-26 1998-04-08 布尔Cp8公司 非对称密码通信过程与相关的便携装置
CN1706138A (zh) * 2003-02-12 2005-12-07 松下电器产业株式会社 发送装置及无线通信方法

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Also Published As

Publication number Publication date
ES2873230T3 (es) 2021-11-03
JP2010273317A (ja) 2010-12-02
KR101359200B1 (ko) 2014-02-05
KR20120068762A (ko) 2012-06-27
EP2424154A1 (en) 2012-02-29
WO2010122926A1 (ja) 2010-10-28
US8559638B2 (en) 2013-10-15
US20120045056A1 (en) 2012-02-23
CN102415047A (zh) 2012-04-11
JP5349261B2 (ja) 2013-11-20
EP2424154A4 (en) 2017-07-12
EP2424154B1 (en) 2021-04-07

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