CA2997404A1 - Data verification methods and systems using a hash tree, such as a time-centric merkle hash tree - Google Patents

Data verification methods and systems using a hash tree, such as a time-centric merkle hash tree Download PDF

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Publication number
CA2997404A1
CA2997404A1 CA2997404A CA2997404A CA2997404A1 CA 2997404 A1 CA2997404 A1 CA 2997404A1 CA 2997404 A CA2997404 A CA 2997404A CA 2997404 A CA2997404 A CA 2997404A CA 2997404 A1 CA2997404 A1 CA 2997404A1
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CA
Canada
Prior art keywords
reference level
data
hashes
hash
time interval
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.)
Abandoned
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CA2997404A
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English (en)
French (fr)
Inventor
Tron Black
Alec WILKINS
Robert Christensen
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.)
Tzero Group Inc
Original Assignee
T0 com Inc
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 T0 com Inc filed Critical T0 com Inc
Publication of CA2997404A1 publication Critical patent/CA2997404A1/en
Abandoned legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or 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
    • 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
    • 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
    • H04L9/3297—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 time stamps, e.g. generation of time stamps
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
CA2997404A 2015-09-14 2016-09-12 Data verification methods and systems using a hash tree, such as a time-centric merkle hash tree Abandoned CA2997404A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/852,955 US10303887B2 (en) 2015-09-14 2015-09-14 Data verification methods and systems using a hash tree, such as a time-centric merkle hash tree
US14/852,955 2015-09-14
PCT/US2016/051301 WO2017048630A1 (en) 2015-09-14 2016-09-12 Data verification methods and systems using a hash tree, such as a time-centric merkle hash tree

Publications (1)

Publication Number Publication Date
CA2997404A1 true CA2997404A1 (en) 2017-03-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2997404A Abandoned CA2997404A1 (en) 2015-09-14 2016-09-12 Data verification methods and systems using a hash tree, such as a time-centric merkle hash tree

Country Status (9)

Country Link
US (2) US10303887B2 (enExample)
EP (1) EP3341887A4 (enExample)
JP (1) JP2018533320A (enExample)
KR (1) KR20200108513A (enExample)
CN (1) CN108292351A (enExample)
AU (1) AU2016324022A1 (enExample)
CA (1) CA2997404A1 (enExample)
HK (1) HK1256527A1 (enExample)
WO (1) WO2017048630A1 (enExample)

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