JP2014157354A - 線形準同型な構造保存署名を生成および検証する暗号学的装置および方法 - Google Patents

線形準同型な構造保存署名を生成および検証する暗号学的装置および方法 Download PDF

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Publication number
JP2014157354A
JP2014157354A JP2014026228A JP2014026228A JP2014157354A JP 2014157354 A JP2014157354 A JP 2014157354A JP 2014026228 A JP2014026228 A JP 2014026228A JP 2014026228 A JP2014026228 A JP 2014026228A JP 2014157354 A JP2014157354 A JP 2014157354A
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Japan
Prior art keywords
signature
group
vector
processor
elements
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Withdrawn
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JP2014026228A
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English (en)
Japanese (ja)
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JP2014157354A5 (enExample
Inventor
Marc Joye
ジョイエ マルク
Libert Benoit
リベール ブノワ
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Thomson Licensing SAS
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Thomson Licensing SAS
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Priority claimed from EP13305371.0A external-priority patent/EP2784974A1/en
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2014157354A publication Critical patent/JP2014157354A/ja
Publication of JP2014157354A5 publication Critical patent/JP2014157354A5/ja
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    • 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
    • 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
    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • 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
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/46—Secure multiparty computation, e.g. millionaire problem

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Complex Calculations (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
JP2014026228A 2013-02-15 2014-02-14 線形準同型な構造保存署名を生成および検証する暗号学的装置および方法 Withdrawn JP2014157354A (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP13305176 2013-02-15
EP13305176.3 2013-02-15
EP13305371.0 2013-03-26
EP13305371.0A EP2784974A1 (en) 2013-03-26 2013-03-26 Cryptographic devices and methods for generating and verifying linearly homomorphic structure-preserving signatures

Publications (2)

Publication Number Publication Date
JP2014157354A true JP2014157354A (ja) 2014-08-28
JP2014157354A5 JP2014157354A5 (enExample) 2017-03-02

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JP2014026228A Withdrawn JP2014157354A (ja) 2013-02-15 2014-02-14 線形準同型な構造保存署名を生成および検証する暗号学的装置および方法

Country Status (5)

Country Link
US (1) US20140237254A1 (enExample)
EP (1) EP2768179A1 (enExample)
JP (1) JP2014157354A (enExample)
KR (1) KR20140103081A (enExample)
CN (1) CN103997409A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015163822A1 (en) * 2014-04-23 2015-10-29 Agency For Science, Technology And Research Method and system for generating / decrypting ciphertext, and method and system for searching ciphertexts in a database
JP6266186B2 (ja) * 2015-10-08 2018-01-24 三菱電機株式会社 暗号システム、準同型署名方法及び準同型署名プログラム
CN111095332B (zh) * 2017-07-06 2023-12-08 罗伯特·博世有限公司 用于保护隐私的社交媒体广告的方法和系统
US12099997B1 (en) 2020-01-31 2024-09-24 Steven Mark Hoffberg Tokenized fungible liabilities
CN116074030B (zh) * 2021-11-04 2024-09-06 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） 基于双线性映射的磁悬浮列车控制系统隐私保护认证方法
CN118282773B (zh) * 2024-05-29 2024-08-16 杭州海康威视数字技术股份有限公司 数据隐私发布和访问控制方法、装置及设备

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7743253B2 (en) * 2005-11-04 2010-06-22 Microsoft Corporation Digital signature for network coding

Also Published As

Publication number Publication date
CN103997409A (zh) 2014-08-20
US20140237254A1 (en) 2014-08-21
EP2768179A1 (en) 2014-08-20
KR20140103081A (ko) 2014-08-25

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