CN103270719B - 密码处理系统、密钥生成装置、加密装置、解密装置、密码处理方法 - Google Patents

密码处理系统、密钥生成装置、加密装置、解密装置、密码处理方法 Download PDF

Info

Publication number
CN103270719B
CN103270719B CN201180061703.XA CN201180061703A CN103270719B CN 103270719 B CN103270719 B CN 103270719B CN 201180061703 A CN201180061703 A CN 201180061703A CN 103270719 B CN103270719 B CN 103270719B
Authority
CN
China
Prior art keywords
integer
vector
identification information
random number
variable
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.)
Expired - Fee Related
Application number
CN201180061703.XA
Other languages
English (en)
Chinese (zh)
Other versions
CN103270719A (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
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
Publication of CN103270719A publication Critical patent/CN103270719A/zh
Application granted granted Critical
Publication of CN103270719B publication Critical patent/CN103270719B/zh
Expired - Fee Related 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • 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
    • H04L9/006—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving public key infrastructure [PKI] trust models
    • H04L9/007—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving public key infrastructure [PKI] trust models involving hierarchical structures
    • 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
    • H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption

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)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Storage Device Security (AREA)
CN201180061703.XA 2010-12-22 2011-12-06 密码处理系统、密钥生成装置、加密装置、解密装置、密码处理方法 Expired - Fee Related CN103270719B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010286511A JP5693206B2 (ja) 2010-12-22 2010-12-22 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
JP2010-286511 2010-12-22
PCT/JP2011/078164 WO2012086405A1 (ja) 2010-12-22 2011-12-06 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

Publications (2)

Publication Number Publication Date
CN103270719A CN103270719A (zh) 2013-08-28
CN103270719B true CN103270719B (zh) 2015-09-30

Family

ID=46313685

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201180061703.XA Expired - Fee Related CN103270719B (zh) 2010-12-22 2011-12-06 密码处理系统、密钥生成装置、加密装置、解密装置、密码处理方法

Country Status (6)

Country Link
US (1) US8938623B2 (https=)
EP (1) EP2613472A4 (https=)
JP (1) JP5693206B2 (https=)
KR (1) KR101393899B1 (https=)
CN (1) CN103270719B (https=)
WO (1) WO2012086405A1 (https=)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5606344B2 (ja) 2011-01-25 2014-10-15 三菱電機株式会社 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
JP5921410B2 (ja) * 2012-10-19 2016-05-24 三菱電機株式会社 暗号システム
JP5852551B2 (ja) * 2012-11-12 2016-02-03 日本電信電話株式会社 関数型暗号システム、鍵生成装置、暗号化装置、復号装置、関数型暗号方法、およびプログラム
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
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
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
US20160294551A1 (en) * 2013-12-02 2016-10-06 Mitsubishi Electric Corporation Data processing system, encryption apparatus, decryption apparatus, and computer readable medium
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
WO2016088250A1 (ja) 2014-12-05 2016-06-09 三菱電機株式会社 復号条件追加装置、暗号システム及び復号条件追加プログラム
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
KR102447476B1 (ko) * 2015-08-20 2022-09-27 삼성전자주식회사 암복호 장치, 그것을 포함하는 저장 장치 및 그것의 암복호 방법
US10205713B2 (en) * 2017-04-05 2019-02-12 Fujitsu Limited Private and mutually authenticated key exchange
KR101994236B1 (ko) * 2017-04-21 2019-09-30 한국전자통신연구원 프라이버시 보존형 각도 기반 이상치 검출 방법 및 장치
EP3698515B1 (en) * 2017-10-17 2021-02-17 Koninklijke Philips N.V. Configurable device for lattice-based cryptography
JP7117964B2 (ja) * 2018-10-04 2022-08-15 三菱電機株式会社 復号装置、暗号システム、復号方法及び復号プログラム
US10778410B2 (en) * 2019-06-18 2020-09-15 Alibaba Group Holding Limited Homomorphic data encryption method and apparatus for implementing privacy protection
US12099997B1 (en) 2020-01-31 2024-09-24 Steven Mark Hoffberg Tokenized fungible liabilities
CN113271309B (zh) * 2021-05-24 2022-04-08 四川师范大学 一种分层文件加密方法及系统
KR20230136950A (ko) 2022-03-21 2023-10-04 삼성전자주식회사 함수 암호 시스템 및 함수 암호 수행 방법
US12519613B2 (en) * 2022-11-07 2026-01-06 Crypto Lab Inc. Apparatus for calculating matrix multiplication of homomorphic encryption and method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101401141A (zh) * 2006-03-14 2009-04-01 日本电气株式会社 信息处理系统、信息处理方法以及信息处理程序
CN102859571A (zh) * 2010-04-27 2013-01-02 三菱电机株式会社 密码处理系统、密钥生成装置、加密装置、解密装置、签名处理系统、签名装置以及验证装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7349538B2 (en) * 2002-03-21 2008-03-25 Ntt Docomo Inc. Hierarchical identity-based encryption and signature schemes
CN1633776A (zh) * 2002-04-15 2005-06-29 美国多科摩通讯研究所股份有限公司 利用双线性映射的签名方案
US6886096B2 (en) * 2002-11-14 2005-04-26 Voltage Security, Inc. Identity-based encryption system
US7003117B2 (en) * 2003-02-05 2006-02-21 Voltage Security, Inc. Identity-based encryption system for secure data distribution
US7499544B2 (en) * 2003-11-03 2009-03-03 Microsoft Corporation Use of isogenies for design of cryptosystems
EP1646174A1 (en) * 2004-10-07 2006-04-12 Axalto SA Method and apparatus for generating cryptographic sets of instructions automatically and code generation
WO2008066671A2 (en) * 2006-11-08 2008-06-05 Voltage Security, Inc. Indentity-based-encryption extensions formed using multiple instances of an identity based encryption scheme

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101401141A (zh) * 2006-03-14 2009-04-01 日本电气株式会社 信息处理系统、信息处理方法以及信息处理程序
CN102859571A (zh) * 2010-04-27 2013-01-02 三菱电机株式会社 密码处理系统、密钥生成装置、加密装置、解密装置、签名处理系统、签名装置以及验证装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Functional Encryption for Inner Product:Achieving Constant-Size Ciphertexts with Adaptive Security or Support for Negation";Nuttapong Attrapadung,et al;《13th International Conference on Practice and Theory in Public Key Cryptography Paris》;20100528;第384-402页 *

Also Published As

Publication number Publication date
EP2613472A4 (en) 2017-07-12
US20130173929A1 (en) 2013-07-04
KR20130084669A (ko) 2013-07-25
KR101393899B1 (ko) 2014-05-12
JP2012133214A (ja) 2012-07-12
CN103270719A (zh) 2013-08-28
JP5693206B2 (ja) 2015-04-01
US8938623B2 (en) 2015-01-20
WO2012086405A1 (ja) 2012-06-28
EP2613472A1 (en) 2013-07-10

Similar Documents

Publication Publication Date Title
CN103270719B (zh) 密码处理系统、密钥生成装置、加密装置、解密装置、密码处理方法
CN102859571B (zh) 密码处理系统、密钥生成装置、加密装置、解密装置、签名处理系统、签名装置以及验证装置
JP5618881B2 (ja) 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
JP5680007B2 (ja) 暗号システム、暗号方法及び暗号プログラム
CN103348624B (zh) 签名处理系统、密钥生成装置、签名装置、验证装置、签名处理方法以及签名处理程序
CN102822883B (zh) 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
JP5921410B2 (ja) 暗号システム
CN103354984B (zh) 密码处理系统、密钥生成装置、加密装置、解密装置、密钥移交装置以及密码处理方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150930

Termination date: 20211206

CF01 Termination of patent right due to non-payment of annual fee