JP5349261B2 - 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 - Google Patents

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 Download PDF

Info

Publication number
JP5349261B2
JP5349261B2 JP2009264576A JP2009264576A JP5349261B2 JP 5349261 B2 JP5349261 B2 JP 5349261B2 JP 2009264576 A JP2009264576 A JP 2009264576A JP 2009264576 A JP2009264576 A JP 2009264576A JP 5349261 B2 JP5349261 B2 JP 5349261B2
Authority
JP
Japan
Prior art keywords
vector
key
information
encryption
space
Prior art date
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.)
Active
Application number
JP2009264576A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010273317A (ja
JP2010273317A5 (https=
Inventor
克幸 高島
龍明 岡本
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
NTT Inc USA
Original Assignee
Mitsubishi Electric Corp
Nippon Telegraph and Telephone Corp
NTT Inc USA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to JP2009264576A priority Critical patent/JP5349261B2/ja
Application filed by Mitsubishi Electric Corp, Nippon Telegraph and Telephone Corp, NTT Inc USA filed Critical Mitsubishi Electric Corp
Priority to EP10766983.0A priority patent/EP2424154B1/en
Priority to CN201080017994.8A priority patent/CN102415047B/zh
Priority to KR1020117027936A priority patent/KR101359200B1/ko
Priority to US13/266,002 priority patent/US8559638B2/en
Priority to ES10766983T priority patent/ES2873230T3/es
Priority to PCT/JP2010/056639 priority patent/WO2010122926A1/ja
Publication of JP2010273317A publication Critical patent/JP2010273317A/ja
Publication of JP2010273317A5 publication Critical patent/JP2010273317A5/ja
Application granted granted Critical
Publication of JP5349261B2 publication Critical patent/JP5349261B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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)
JP2009264576A 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 Active JP5349261B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
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
CN201080017994.8A CN102415047B (zh) 2009-04-23 2010-04-14 密码处理系统
KR1020117027936A KR101359200B1 (ko) 2009-04-23 2010-04-14 암호 처리 시스템
US13/266,002 US8559638B2 (en) 2009-04-23 2010-04-14 Cryptographic processing system
EP10766983.0A EP2424154B1 (en) 2009-04-23 2010-04-14 Encryption processing system
ES10766983T ES2873230T3 (es) 2009-04-23 2010-04-14 Sistema de procesamiento de encriptado
PCT/JP2010/056639 WO2010122926A1 (ja) 2009-04-23 2010-04-14 暗号処理システム

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009104915 2009-04-23
JP2009104915 2009-04-23
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

Publications (3)

Publication Number Publication Date
JP2010273317A JP2010273317A (ja) 2010-12-02
JP2010273317A5 JP2010273317A5 (https=) 2013-07-25
JP5349261B2 true JP5349261B2 (ja) 2013-11-20

Family

ID=43011044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009264576A Active 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

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10848471B2 (en) 2017-09-25 2020-11-24 Ntt Communications Corporation Communication apparatus, communication method, and program

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102396011B (zh) * 2009-04-24 2014-04-16 日本电信电话株式会社 加密装置、解密装置、加密方法、解密方法、安全方法、程序以及记录介质
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
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
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
JP5501482B2 (ja) * 2011-01-18 2014-05-21 三菱電機株式会社 暗号システム、暗号システムの暗号処理方法、暗号化装置、暗号化プログラム、復号装置および復号プログラム
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
EP2947810B1 (en) * 2013-01-16 2021-07-14 Mitsubishi Electric Corporation Encryption system, re-encryption key generation device, re-encryption device, encryption method and encryption program
US9698977B2 (en) * 2013-01-16 2017-07-04 Mitsubishi Electric Corporation Information processing apparatus, information processing method, and program
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
WO2015107620A1 (ja) * 2014-01-14 2015-07-23 三菱電機株式会社 暗号システム、再暗号化鍵生成装置、再暗号化装置及び暗号プログラム
US9640090B2 (en) 2014-02-24 2017-05-02 Mitsubishi Electric Corporation Cryptographic system and computer readable medium
JP6266130B2 (ja) * 2014-12-05 2018-01-24 三菱電機株式会社 暗号システム、マスター鍵更新装置及びマスター鍵更新プログラム
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
CN107454975B (zh) 2015-04-07 2020-11-27 三菱电机株式会社 加密系统和密钥生成装置
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
WO2021146859A1 (en) * 2020-01-20 2021-07-29 Nokia Shanghai Bell Co., Ltd. Data privacy protection based polar coding
US12099997B1 (en) 2020-01-31 2024-09-24 Steven Mark Hoffberg Tokenized fungible liabilities

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2744309B1 (fr) * 1996-01-26 1998-03-06 Bull Cp8 Procede de communicatin cryptographique asymetrique, et objet portatif associe
CN100588131C (zh) * 2003-02-12 2010-02-03 松下电器产业株式会社 发送装置及无线通信方法
US20070223686A1 (en) * 2004-09-16 2007-09-27 Shidong Li Methods and apparatus for data and signal encryption and decryption by irregular subspace leaping
US8190553B2 (en) * 2007-12-20 2012-05-29 Routt Thomas J Methods and systems for quantum search, computation and memory
US8401179B2 (en) 2008-01-18 2013-03-19 Mitsubishi Electric Corporation Encryption parameter setting apparatus, key generation apparatus, cryptographic system, program, encryption parameter setting method, and key generation method
CN102396011B (zh) * 2009-04-24 2014-04-16 日本电信电话株式会社 加密装置、解密装置、加密方法、解密方法、安全方法、程序以及记录介质

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10848471B2 (en) 2017-09-25 2020-11-24 Ntt Communications Corporation Communication apparatus, communication method, and program

Also Published As

Publication number Publication date
EP2424154B1 (en) 2021-04-07
WO2010122926A1 (ja) 2010-10-28
JP2010273317A (ja) 2010-12-02
EP2424154A4 (en) 2017-07-12
ES2873230T3 (es) 2021-11-03
KR101359200B1 (ko) 2014-02-05
US20120045056A1 (en) 2012-02-23
EP2424154A1 (en) 2012-02-29
KR20120068762A (ko) 2012-06-27
US8559638B2 (en) 2013-10-15
CN102415047B (zh) 2015-12-09
CN102415047A (zh) 2012-04-11

Similar Documents

Publication Publication Date Title
JP5349261B2 (ja) 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
KR101386294B1 (ko) 암호 처리 시스템, 키 생성 장치, 암호화 장치, 복호 장치, 서명 처리 시스템, 서명 장치 및 검증 장치
JP5769401B2 (ja) 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
KR101443553B1 (ko) 암호 처리 시스템, 키 생성 장치, 암호화 장치, 복호 장치, 암호 처리 방법 및 암호 처리 프로그램을 기록한 컴퓨터 판독 가능한 기록 매체
KR101393899B1 (ko) 암호 처리 시스템, 키 생성 장치, 암호화 장치, 복호 장치, 암호 처리 방법 및 암호 처리 프로그램을 기록한 컴퓨터 판독 가능한 기록 매체
JP5334873B2 (ja) 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
JP5606344B2 (ja) 署名処理システム、鍵生成装置、署名装置、検証装置、署名処理方法及び署名処理プログラム
KR20140138176A (ko) 암호 시스템, 암호 방법 및 암호 프로그램을 기록한 컴퓨터 판독 가능한 기록 매체
JP5606351B2 (ja) 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

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20120413

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130610

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20130723

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20130820

R150 Certificate of patent or registration of utility model

Ref document number: 5349261

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350