JPWO2021245806A1 - - Google Patents

Info

Publication number
JPWO2021245806A1
JPWO2021245806A1 JP2022529191A JP2022529191A JPWO2021245806A1 JP WO2021245806 A1 JPWO2021245806 A1 JP WO2021245806A1 JP 2022529191 A JP2022529191 A JP 2022529191A JP 2022529191 A JP2022529191 A JP 2022529191A JP WO2021245806 A1 JPWO2021245806 A1 JP WO2021245806A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022529191A
Other versions
JP7452646B2 (ja
JPWO2021245806A5 (ja
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 filed Critical
Publication of JPWO2021245806A1 publication Critical patent/JPWO2021245806A1/ja
Publication of JPWO2021245806A5 publication Critical patent/JPWO2021245806A5/ja
Application granted granted Critical
Publication of JP7452646B2 publication Critical patent/JP7452646B2/ja
Active 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
    • H04L9/32—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
    • H04L9/08—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)
    • H04L9/0825—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) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • 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
    • H04L9/3236—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 cryptographic hash functions
    • 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
    • H04L9/3236—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 cryptographic hash functions
    • H04L9/3239—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 cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
JP2022529191A 2020-06-02 2020-06-02 署名検証システム、署名検証方法、およびプログラム Active JP7452646B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/021824 WO2021245806A1 (ja) 2020-06-02 2020-06-02 署名検証システム、署名検証方法、およびプログラム

Publications (3)

Publication Number Publication Date
JPWO2021245806A1 true JPWO2021245806A1 (ja) 2021-12-09
JPWO2021245806A5 JPWO2021245806A5 (ja) 2023-02-15
JP7452646B2 JP7452646B2 (ja) 2024-03-19

Family

ID=78830682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022529191A Active JP7452646B2 (ja) 2020-06-02 2020-06-02 署名検証システム、署名検証方法、およびプログラム

Country Status (3)

Country Link
US (1) US20230224164A1 (ja)
JP (1) JP7452646B2 (ja)
WO (1) WO2021245806A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023181183A1 (ja) * 2022-03-23 2023-09-28 日本電気株式会社 情報処理システム、データ提供装置、データ加工装置、データ受領装置、方法及びコンピュータ可読媒体
WO2023187908A1 (ja) * 2022-03-28 2023-10-05 日本電気株式会社 情報処理システム、データ提供装置、データ加工装置、データ受領装置、方法及びコンピュータ可読媒体

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2877788B1 (fr) 2004-11-05 2007-01-05 Gemplus Sa Procede de generation de signature avec preuve de securite "tight", procede de verification et schema de signature associes bases sur le modele de diffie-hellman
JP2010050760A (ja) * 2008-08-22 2010-03-04 Hitachi Ltd コンテンツ保護装置、および、コンテンツ利用装置
EP3460700A1 (en) 2017-09-22 2019-03-27 Banco Bilbao Vizcaya Argentaria, S.A. Authentication of software update modules using chameleon hashing.

Also Published As

Publication number Publication date
WO2021245806A1 (ja) 2021-12-09
JP7452646B2 (ja) 2024-03-19
US20230224164A1 (en) 2023-07-13

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