AU2003276597A1 - Key synchronization in a visual cryptographic system - Google Patents

Key synchronization in a visual cryptographic system

Info

Publication number
AU2003276597A1
AU2003276597A1 AU2003276597A AU2003276597A AU2003276597A1 AU 2003276597 A1 AU2003276597 A1 AU 2003276597A1 AU 2003276597 A AU2003276597 A AU 2003276597A AU 2003276597 A AU2003276597 A AU 2003276597A AU 2003276597 A1 AU2003276597 A1 AU 2003276597A1
Authority
AU
Australia
Prior art keywords
cryptographic system
key synchronization
visual cryptographic
visual
synchronization
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
Application number
AU2003276597A
Inventor
Pim T. Tuyls
Marten E. Van Dijk
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of AU2003276597A1 publication Critical patent/AU2003276597A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C5/00—Ciphering apparatus or methods not provided for in the preceding groups, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • 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
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Multimedia (AREA)
  • Facsimile Transmission Control (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
AU2003276597A 2002-12-18 2003-11-17 Key synchronization in a visual cryptographic system Abandoned AU2003276597A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02080388.8 2002-12-18
EP02080388 2002-12-18
PCT/IB2003/005236 WO2004055757A1 (en) 2002-12-18 2003-11-17 Key synchronization in a visual cryptographic system

Publications (1)

Publication Number Publication Date
AU2003276597A1 true AU2003276597A1 (en) 2004-07-09

Family

ID=32524053

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003276597A Abandoned AU2003276597A1 (en) 2002-12-18 2003-11-17 Key synchronization in a visual cryptographic system

Country Status (6)

Country Link
EP (1) EP1576567A1 (en)
JP (1) JP2006511114A (en)
KR (1) KR20050091732A (en)
CN (1) CN1729495A (en)
AU (1) AU2003276597A1 (en)
WO (1) WO2004055757A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5082209B2 (en) 2005-06-27 2012-11-28 株式会社日立製作所 Transmission device, reception device, and video signal transmission / reception system
JP4379483B2 (en) * 2007-04-05 2009-12-09 富士ゼロックス株式会社 Information processing apparatus and program
ES2572159T3 (en) * 2009-11-12 2016-05-30 Morpho Cards Gmbh A method of assigning a secret to a security token, a method of operation of a security token, a storage medium and a security token
TWI430217B (en) * 2011-08-08 2014-03-11 Ind Tech Res Inst Verification methods and systems
CN102289869A (en) * 2011-08-30 2011-12-21 华南理工大学 Credit card antitheft method based on image sharing and system thereof
CN103873885A (en) * 2012-12-10 2014-06-18 鸿富锦精密工业（深圳）有限公司 Streaming media sharing request system and streaming media supplying system, and methods thereof
BR102014007666B1 (en) * 2014-03-28 2023-01-10 Samsung Eletrônica Da Amazônia Ltda METHOD FOR AUTHENTICING MOBILE TRANSACTIONS USING VIDEO ENCRYPTION AND METHOD FOR VIDEO ENCRYPTION
KR20200016990A (en) * 2017-08-02 2020-02-17 니폰 덴신 덴와 가부시끼가이샤 Encrypted communication apparatus, encrypted communication system, encrypted communication method, and program
CN109727294A (en) * 2018-05-28 2019-05-07 成都信息工程大学 A kind of thresholding visual cryptography Matrix Construction Method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185796A (en) * 1991-05-30 1993-02-09 Motorola, Inc. Encryption synchronization combined with encryption key identification
JPH05323267A (en) * 1992-05-26 1993-12-07 Toshiba Corp Liquid crystal display device
US7110539B1 (en) * 1999-03-22 2006-09-19 Kent Ridge Digital Labs Method and apparatus for encrypting and decrypting data
FR2806230B1 (en) * 2000-03-09 2002-05-24 France Telecom METHOD AND DEVICE FOR CONFIDENTIAL READING OF DATA
CA2330166A1 (en) * 2000-12-29 2002-06-29 Nortel Networks Limited Data encryption using stateless confusion generators

Also Published As

Publication number Publication date
KR20050091732A (en) 2005-09-15
JP2006511114A (en) 2006-03-30
WO2004055757A1 (en) 2004-07-01
EP1576567A1 (en) 2005-09-21
CN1729495A (en) 2006-02-01

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase