CA3231917A1 - Process for embedding a digital watermark in tokenised data - Google Patents

Process for embedding a digital watermark in tokenised data Download PDF

Info

Publication number
CA3231917A1
CA3231917A1 CA3231917A CA3231917A CA3231917A1 CA 3231917 A1 CA3231917 A1 CA 3231917A1 CA 3231917 A CA3231917 A CA 3231917A CA 3231917 A CA3231917 A CA 3231917A CA 3231917 A1 CA3231917 A1 CA 3231917A1
Authority
CA
Canada
Prior art keywords
watermark
tokens
data
token
hash
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
CA3231917A
Other languages
English (en)
French (fr)
Inventor
Paul Mellor
Sasi Kumar MURAKONDA
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.)
Privitar Ltd
Original Assignee
Privitar Ltd
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 Privitar Ltd filed Critical Privitar Ltd
Publication of CA3231917A1 publication Critical patent/CA3231917A1/en
Pending legal-status Critical Current

Links

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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/16—Program or content traceability, e.g. by watermarking
    • 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
    • H04L9/321—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 a third party or a trusted authority
    • H04L9/3213—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 a third party or a trusted authority using tickets or tokens, e.g. Kerberos
    • 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
    • H04L9/3242—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 keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
CA3231917A 2021-09-22 2022-09-22 Process for embedding a digital watermark in tokenised data Pending CA3231917A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB202113485 2021-09-22
GB2113485.3 2021-09-22
PCT/GB2022/052401 WO2023047114A1 (en) 2021-09-22 2022-09-22 Process for embedding a digital watermark in tokenised data

Publications (1)

Publication Number Publication Date
CA3231917A1 true CA3231917A1 (en) 2023-03-30

Family

ID=83995444

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3231917A Pending CA3231917A1 (en) 2021-09-22 2022-09-22 Process for embedding a digital watermark in tokenised data

Country Status (6)

Country Link
US (1) US20250005115A1 (https=)
EP (1) EP4405837A1 (https=)
JP (1) JP2024535885A (https=)
AU (1) AU2022353195A1 (https=)
CA (1) CA3231917A1 (https=)
WO (1) WO2023047114A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120374346A (zh) * 2025-06-26 2025-07-25 南京信息工程大学 基于生成对抗网络和多令牌的抗屏摄鲁棒水印方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118282779B (zh) * 2024-05-31 2024-07-26 杭州海康威视数字技术股份有限公司 基于神经网络的密态多媒体数据安全防御方法及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI272547B (en) * 2005-07-28 2007-02-01 Academia Sinica Asymmetric watermarking
RU2008135353A (ru) * 2006-01-30 2010-03-10 Конинклейке Филипс Электроникс Н.В. (Nl) Поиск водяного знака в сигнале данных
EP2991028B1 (en) * 2014-08-29 2019-12-11 Thomson Licensing Method for watermarking a three-dimensional object and method for obtaining a payload from a threedimensional object
GB201521134D0 (en) 2015-12-01 2016-01-13 Privitar Ltd Privitar case 1
US11698990B2 (en) * 2016-04-29 2023-07-11 Privitar Limited Computer-implemented privacy engineering system and method
FI129030B (en) * 2020-04-09 2021-05-31 Veikkaus Oy Electronic depleting pool lottery
US20240211552A1 (en) * 2021-06-26 2024-06-27 Zhong Li System and Methods for Asset Management
CN119026095B (zh) * 2024-08-16 2025-09-26 山东大学 基于物理不可克隆函数水印和区块链的版权保护及溯源方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120374346A (zh) * 2025-06-26 2025-07-25 南京信息工程大学 基于生成对抗网络和多令牌的抗屏摄鲁棒水印方法
CN120374346B (zh) * 2025-06-26 2025-08-26 南京信息工程大学 基于生成对抗网络和多令牌的抗屏摄鲁棒水印方法

Also Published As

Publication number Publication date
AU2022353195A1 (en) 2024-04-04
EP4405837A1 (en) 2024-07-31
AU2022353195A2 (en) 2024-05-09
US20250005115A1 (en) 2025-01-02
JP2024535885A (ja) 2024-10-02
WO2023047114A1 (en) 2023-03-30

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