CN103988466A - 群加密方法及设备 - Google Patents

群加密方法及设备 Download PDF

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Publication number
CN103988466A
CN103988466A CN201280061831.9A CN201280061831A CN103988466A CN 103988466 A CN103988466 A CN 103988466A CN 201280061831 A CN201280061831 A CN 201280061831A CN 103988466 A CN103988466 A CN 103988466A
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CN
China
Prior art keywords
ots
signature
secret value
secret
group
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.)
Pending
Application number
CN201280061831.9A
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English (en)
Chinese (zh)
Inventor
L.埃尔艾马尼
M.乔耶
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of CN103988466A publication Critical patent/CN103988466A/zh
Pending legal-status Critical Current

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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
    • 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
    • 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
    • H04L9/3218—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 using proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/24—Key scheduling, i.e. generating round keys or sub-keys for block 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)
  • 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)
CN201280061831.9A 2011-12-15 2012-12-11 群加密方法及设备 Pending CN103988466A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11306672 2011-12-15
EP11306672.4 2011-12-15
PCT/EP2012/075091 WO2013087629A1 (en) 2011-12-15 2012-12-11 Group encryption methods and devices

Publications (1)

Publication Number Publication Date
CN103988466A true CN103988466A (zh) 2014-08-13

Family

ID=47324184

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280061831.9A Pending CN103988466A (zh) 2011-12-15 2012-12-11 群加密方法及设备

Country Status (6)

Country Link
US (1) US20140321642A1 (https=)
EP (1) EP2792098B1 (https=)
JP (1) JP2015501110A (https=)
KR (1) KR20140103269A (https=)
CN (1) CN103988466A (https=)
WO (1) WO2013087629A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105530093A (zh) * 2015-12-10 2016-04-27 中国电子科技集团公司第三十研究所 一种具有非交互式不可否认性质的签密方法
CN105553664A (zh) * 2015-12-10 2016-05-04 中国电子科技集团公司第三十研究所 一种具有非交互式不可否认性质的签密方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10623409B2 (en) * 2012-03-23 2020-04-14 Irdeto B.V. Controlling access to IP streaming content
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
CN103780383B (zh) * 2014-01-13 2017-05-31 华南理工大学 一种基于超球面的多变量公钥签名/验证系统及方法
US10742413B2 (en) * 2017-04-25 2020-08-11 International Business Machines Corporation Flexible verifiable encryption from lattices
US12099997B1 (en) 2020-01-31 2024-09-24 Steven Mark Hoffberg Tokenized fungible liabilities
KR102360944B1 (ko) * 2020-07-13 2022-02-08 고려대학교 산학협력단 그룹 서명 기법
JP7605297B2 (ja) 2021-04-15 2024-12-24 日本電信電話株式会社 暗号システム、暗号化装置、復号装置、方法、及びプログラム
KR102496583B1 (ko) * 2021-09-17 2023-02-06 이정훈 암호화 장치 및 이를 이용한 암호화 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1722656A (zh) * 2004-04-08 2006-01-18 梁庆生 一种数字签名方法及数字签名工具
CN101169814A (zh) * 2006-10-26 2008-04-30 国际商业机器公司 用于管理和自动生成加密密钥的系统和方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1722656A (zh) * 2004-04-08 2006-01-18 梁庆生 一种数字签名方法及数字签名工具
CN101169814A (zh) * 2006-10-26 2008-04-30 国际商业机器公司 用于管理和自动生成加密密钥的系统和方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JULIENT CATHALO，BENO T LIBERT，AND MOTI YUNG: "《Group Encryption：Non-Interactive Realization in the Standard Model》", 《ADVANCES IN CRYPTOLOGY-ASIACRYPT LNCS 5912，2009》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105530093A (zh) * 2015-12-10 2016-04-27 中国电子科技集团公司第三十研究所 一种具有非交互式不可否认性质的签密方法
CN105553664A (zh) * 2015-12-10 2016-05-04 中国电子科技集团公司第三十研究所 一种具有非交互式不可否认性质的签密方法
CN105553664B (zh) * 2015-12-10 2018-09-28 中国电子科技集团公司第三十研究所 一种具有非交互式不可否认性质的签密方法
CN105530093B (zh) * 2015-12-10 2019-02-01 中国电子科技集团公司第三十研究所 一种具有非交互式不可否认性质的签密方法

Also Published As

Publication number Publication date
JP2015501110A (ja) 2015-01-08
EP2792098B1 (en) 2015-12-09
WO2013087629A1 (en) 2013-06-20
KR20140103269A (ko) 2014-08-26
US20140321642A1 (en) 2014-10-30
EP2792098A1 (en) 2014-10-22

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Application publication date: 20140813