WO2023086444A3 - Computer-implemented methods for evidencing the existence of a digital document, anonymously evidencing the existence of a digital document, and verifying the data integrity of a digital document - Google Patents

Computer-implemented methods for evidencing the existence of a digital document, anonymously evidencing the existence of a digital document, and verifying the data integrity of a digital document Download PDF

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Publication number
WO2023086444A3
WO2023086444A3 PCT/US2022/049498 US2022049498W WO2023086444A3 WO 2023086444 A3 WO2023086444 A3 WO 2023086444A3 US 2022049498 W US2022049498 W US 2022049498W WO 2023086444 A3 WO2023086444 A3 WO 2023086444A3
Authority
WO
WIPO (PCT)
Prior art keywords
digital document
evidencing
existence
anonymously
verifying
Prior art date
Application number
PCT/US2022/049498
Other languages
French (fr)
Other versions
WO2023086444A2 (en
Inventor
Wei Hsiung Nicolas Yang
Johnson Zone An KONG
Michael Ming-Jae Lin
Original Assignee
707 Limited
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
Priority claimed from US17/526,161 external-priority patent/US11924342B2/en
Application filed by 707 Limited filed Critical 707 Limited
Publication of WO2023086444A2 publication Critical patent/WO2023086444A2/en
Publication of WO2023086444A3 publication Critical patent/WO2023086444A3/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/64Protecting data integrity, e.g. using checksums, certificates or signatures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0872Generation of secret information including derivation or calculation of cryptographic keys or passwords using geo-location information, e.g. location data, time, relative position or proximity to other entities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3297Cryptographic 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2151Time stamp

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Health & Medical Sciences (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Storage Device Security (AREA)

Abstract

Improved computer-implemented methods for evidencing the existence of a digital document, anonymously evidencing the existence of a digital document, database management for systems for evidencing the existence of a digital document, and verifying the data integrity of a digital document provide increased reliability, security and enhance trust from users and third parties.
PCT/US2022/049498 2021-11-15 2022-11-10 Computer-implemented methods for evidencing the existence of a digital document, anonymously evidencing the existence of a digital document, and verifying the data integrity of a digital document WO2023086444A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17/526,161 2021-11-15
US17/526,161 US11924342B2 (en) 2017-06-20 2021-11-15 Computer-implemented methods for evidencing the existence of a digital document, anonymously evidencing the existence of a digital document, and verifying the data integrity of a digital document

Publications (2)

Publication Number Publication Date
WO2023086444A2 WO2023086444A2 (en) 2023-05-19
WO2023086444A3 true WO2023086444A3 (en) 2023-06-29

Family

ID=84901432

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2022/049498 WO2023086444A2 (en) 2021-11-15 2022-11-10 Computer-implemented methods for evidencing the existence of a digital document, anonymously evidencing the existence of a digital document, and verifying the data integrity of a digital document

Country Status (1)

Country Link
WO (1) WO2023086444A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11924342B2 (en) 2017-06-20 2024-03-05 707 Limited Computer-implemented methods for evidencing the existence of a digital document, anonymously evidencing the existence of a digital document, and verifying the data integrity of a digital document

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9679276B1 (en) * 2016-01-26 2017-06-13 Stampery, Inc. Systems and methods for using a block chain to certify the existence, integrity, and/or ownership of a file or communication
US20200382277A1 (en) * 2017-06-20 2020-12-03 707 Limited Method of evidencing existence of digital documents and a system therefor, and tag chain blockchain system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9679276B1 (en) * 2016-01-26 2017-06-13 Stampery, Inc. Systems and methods for using a block chain to certify the existence, integrity, and/or ownership of a file or communication
US20200382277A1 (en) * 2017-06-20 2020-12-03 707 Limited Method of evidencing existence of digital documents and a system therefor, and tag chain blockchain system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Proof of Existence - Wikipedia", 7 November 2018 (2018-11-07), XP055659395, Retrieved from the Internet <URL:https://en.wikipedia.org/w/index.php?title=Proof_of_Existence&oldid=867746283> [retrieved on 20200120] *

Also Published As

Publication number Publication date
WO2023086444A2 (en) 2023-05-19

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