ES2684945T3 - Sistema de procesamiento de firmas, dispositivo de generación de claves, dispositivo de firmas, dispositivo de verificación, método de procesamiento de firmas y programa de procesamiento de firmas - Google Patents

Sistema de procesamiento de firmas, dispositivo de generación de claves, dispositivo de firmas, dispositivo de verificación, método de procesamiento de firmas y programa de procesamiento de firmas Download PDF

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Publication number
ES2684945T3
ES2684945T3 ES11856860.9T ES11856860T ES2684945T3 ES 2684945 T3 ES2684945 T3 ES 2684945T3 ES 11856860 T ES11856860 T ES 11856860T ES 2684945 T3 ES2684945 T3 ES 2684945T3
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ES
Spain
Prior art keywords
signature
key
integer
base
vector
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
ES11856860.9T
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English (en)
Spanish (es)
Inventor
Katsuyuki Takashima
Tatsuaki Okamoto
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
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
Application filed by Mitsubishi Electric Corp, Nippon Telegraph and Telephone Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of ES2684945T3 publication Critical patent/ES2684945T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04L9/08—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
    • 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
    • H04L9/30—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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H04L9/3255—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using group based signatures, e.g. ring or threshold signatures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Computing Systems (AREA)
  • Storage Device Security (AREA)
  • Collating Specific Patterns (AREA)
  • Complex Calculations (AREA)
ES11856860.9T 2011-01-25 2011-12-08 Sistema de procesamiento de firmas, dispositivo de generación de claves, dispositivo de firmas, dispositivo de verificación, método de procesamiento de firmas y programa de procesamiento de firmas Active ES2684945T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011013281A JP5606344B2 (ja) 2011-01-25 2011-01-25 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
JP2011013281 2011-01-25
PCT/JP2011/078463 WO2012101913A1 (ja) 2011-01-25 2011-12-08 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

Publications (1)

Publication Number Publication Date
ES2684945T3 true ES2684945T3 (es) 2018-10-05

Family

ID=46580497

Family Applications (1)

Application Number Title Priority Date Filing Date
ES11856860.9T Active ES2684945T3 (es) 2011-01-25 2011-12-08 Sistema de procesamiento de firmas, dispositivo de generación de claves, dispositivo de firmas, dispositivo de verificación, método de procesamiento de firmas y programa de procesamiento de firmas

Country Status (7)

Country Link
US (1) US9106408B2 (enExample)
EP (1) EP2670081B1 (enExample)
JP (1) JP5606344B2 (enExample)
KR (1) KR101431412B1 (enExample)
CN (1) CN103348624B (enExample)
ES (1) ES2684945T3 (enExample)
WO (1) WO2012101913A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2755158A1 (en) * 2013-01-09 2014-07-16 Thomson Licensing Method and device for privacy-respecting data processing
EP2860904A1 (en) * 2013-10-08 2015-04-15 Thomson Licensing Method for signing a set of binary elements, and updating such signature, corresponding electronic device and computer program product
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
JP6087849B2 (ja) * 2014-01-17 2017-03-01 日本電信電話株式会社 代理署名装置、署名検証装置、鍵生成装置、代理署名システム、およびプログラム
JP6053983B2 (ja) 2014-02-24 2016-12-27 三菱電機株式会社 暗号システム、署名システム、暗号プログラム及び署名プログラム
JP6204271B2 (ja) * 2014-06-05 2017-09-27 日本電信電話株式会社 署名システム、鍵生成装置、およびプログラム
WO2016014048A1 (en) * 2014-07-23 2016-01-28 Hewlett-Packard Development Company, L.P. Attribute-based cryptography
EP3776318B1 (en) * 2018-04-10 2024-05-29 Visa International Service Association Tamper-resistant data encoding for mobile devices
CN109728910A (zh) * 2018-12-27 2019-05-07 北京永恒纪元科技有限公司 一种高效的门限分布式椭圆曲线密钥生成及签名方法和系统
JP7233265B2 (ja) * 2019-03-15 2023-03-06 三菱電機株式会社 署名装置、検証装置、署名方法、検証方法、署名プログラム及び検証プログラム
US12099997B1 (en) 2020-01-31 2024-09-24 Steven Mark Hoffberg Tokenized fungible liabilities
CN113919008B (zh) * 2021-10-28 2024-10-25 福建师范大学 具有固定签名长度的可追踪属性基签名方法及系统
CN114189340B (zh) * 2021-12-09 2023-05-23 电子科技大学 一种基于素数阶群的基于属性签名方法
US12613991B2 (en) * 2023-12-07 2026-04-28 Cvs Pharmacy, Inc. Credential to guarantee identity

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997016903A1 (en) * 1995-11-03 1997-05-09 Stefanus Alfonsus Brands Cryptographic methods for demonstrating satisfiable formulas from propositional logic
US6320966B1 (en) 1996-10-23 2001-11-20 Stefanus A. Brands Cryptographic methods for demonstrating satisfiable formulas from propositional logic
US7181017B1 (en) * 2001-03-23 2007-02-20 David Felsher System and method for secure three-party communications
US7792286B2 (en) * 2005-04-18 2010-09-07 Panasonic Corporation Signature generation device and signature verification device
US8280039B2 (en) * 2005-12-28 2012-10-02 Panasonic Corporation Signature generating device, signature generating method and signature generating program
KR101071790B1 (ko) * 2006-05-21 2011-10-11 인터내셔널 비지네스 머신즈 코포레이션 어써션 메세지 시그너처
EP2080314A2 (en) * 2006-10-25 2009-07-22 Spyrus, Inc. Method and system for deploying advanced cryptographic algorithms
US8281131B2 (en) * 2008-08-28 2012-10-02 International Business Machines Corporation Attributes in cryptographic credentials
US8964982B2 (en) * 2009-04-24 2015-02-24 Nippon Telegraph And Telephone Corporation Cryptographic system, cryptographic communication method, encryption apparatus, key generation apparatus, decryption apparatus, content server, program, and storage medium
JP5291795B2 (ja) * 2009-04-24 2013-09-18 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
EP2456119B1 (en) * 2009-07-13 2016-09-28 Nec Corporation Anonymous authentication signature system, user device, verification device, signature method, verification method, and program therefor
JP5693206B2 (ja) 2010-12-22 2015-04-01 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、暗号処理方法及び暗号処理プログラム

Also Published As

Publication number Publication date
JP2012155088A (ja) 2012-08-16
JP5606344B2 (ja) 2014-10-15
CN103348624B (zh) 2016-04-27
CN103348624A (zh) 2013-10-09
EP2670081A1 (en) 2013-12-04
KR101431412B1 (ko) 2014-08-19
US20130322627A1 (en) 2013-12-05
KR20130130810A (ko) 2013-12-02
EP2670081A4 (en) 2017-07-26
US9106408B2 (en) 2015-08-11
WO2012101913A1 (ja) 2012-08-02
EP2670081B1 (en) 2018-07-11

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