KR20050091732A - 시각적 암호 시스템의 키 동기화 - Google Patents

시각적 암호 시스템의 키 동기화 Download PDF

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Publication number
KR20050091732A
KR20050091732A KR1020057011207A KR20057011207A KR20050091732A KR 20050091732 A KR20050091732 A KR 20050091732A KR 1020057011207 A KR1020057011207 A KR 1020057011207A KR 20057011207 A KR20057011207 A KR 20057011207A KR 20050091732 A KR20050091732 A KR 20050091732A
Authority
KR
South Korea
Prior art keywords
key
key identification
image
identification
hash value
Prior art date
Application number
KR1020057011207A
Other languages
English (en)
Korean (ko)
Inventor
핌 티. 튤스
마텐 이. 반 디지크
Original Assignee
코닌클리케 필립스 일렉트로닉스 엔.브이.
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 코닌클리케 필립스 일렉트로닉스 엔.브이. filed Critical 코닌클리케 필립스 일렉트로닉스 엔.브이.
Publication of KR20050091732A publication Critical patent/KR20050091732A/ko

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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
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • 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
    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Facsimile Transmission Control (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
KR1020057011207A 2002-12-18 2003-11-17 시각적 암호 시스템의 키 동기화 KR20050091732A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02080388 2002-12-18
EP02080388.8 2002-12-18

Publications (1)

Publication Number Publication Date
KR20050091732A true KR20050091732A (ko) 2005-09-15

Family

ID=32524053

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057011207A KR20050091732A (ko) 2002-12-18 2003-11-17 시각적 암호 시스템의 키 동기화

Country Status (6)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5082209B2 (ja) 2005-06-27 2012-11-28 株式会社日立製作所 送信装置、受信装置、及び映像信号送受信システム
JP4379483B2 (ja) 2007-04-05 2009-12-09 富士ゼロックス株式会社 情報処理装置及びプログラム
EP2323308B1 (de) * 2009-11-12 2016-03-23 Morpho Cards GmbH Verfahren für die Zuweisung eines Geheimnisses auf ein Sicherheitstoken, Verfahren zum Betreiben eines Sicherheitstoken, Speichermedium und Sicherheitstoken
TWI430217B (zh) * 2011-08-08 2014-03-11 Ind Tech Res Inst 驗證方法與系統
CN102289869A (zh) * 2011-08-30 2011-12-21 华南理工大学 基于图像分存的信用卡防盗方法及其系统
CN103873885A (zh) * 2012-12-10 2014-06-18 鸿富锦精密工业（深圳）有限公司 流媒体共享请求系统、流媒体提供系统及其方法
BR102014007666B1 (pt) * 2014-03-28 2023-01-10 Samsung Eletrônica Da Amazônia Ltda Método para autenticação de transações móveis usando criptografia de vídeo e método para criptografia de vídeo
US11388001B2 (en) 2017-08-02 2022-07-12 Nippon Telegraph And Telephone Corporation Encrypted communication device, encrypted communication system, encrypted communication method, and program
CN109727294A (zh) * 2018-05-28 2019-05-07 成都信息工程大学 一种门限视觉密码矩阵构造方法

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 (ja) * 1992-05-26 1993-12-07 Toshiba Corp 液晶表示装置
EP1161811B1 (de) * 1999-03-22 2007-08-29 Agency for Science, Technology and Research Verfahren und vorrichtung zur verschlüsselung und entschlüsselung von daten
FR2806230B1 (fr) * 2000-03-09 2002-05-24 France Telecom Procede et dispositif de lecture confidentielle de donnees
CA2330166A1 (en) * 2000-12-29 2002-06-29 Nortel Networks Limited Data encryption using stateless confusion generators

Also Published As

Publication number Publication date
JP2006511114A (ja) 2006-03-30
AU2003276597A1 (en) 2004-07-09
CN1729495A (zh) 2006-02-01
EP1576567A1 (de) 2005-09-21
WO2004055757A1 (en) 2004-07-01

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