WO2004051442A1 - Key synchronization in an image cryptographic systems - Google Patents
Key synchronization in an image cryptographic systems Download PDFInfo
- Publication number
- WO2004051442A1 WO2004051442A1 PCT/IB2003/004874 IB0304874W WO2004051442A1 WO 2004051442 A1 WO2004051442 A1 WO 2004051442A1 IB 0304874 W IB0304874 W IB 0304874W WO 2004051442 A1 WO2004051442 A1 WO 2004051442A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- images
- key
- image
- encrypted
- key set
- Prior art date
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bioethics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Storage Device Security (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004556587A JP2006508602A (en) | 2002-11-29 | 2003-10-31 | Key synchronization in image encryption system |
EP03758501A EP1567925A1 (en) | 2002-11-29 | 2003-10-31 | Key synchronization in an image cryptographic system |
US10/536,238 US20060026428A1 (en) | 2002-11-29 | 2003-10-31 | Key synchronization in an image cryptographic systems |
AU2003274527A AU2003274527A1 (en) | 2002-11-29 | 2003-10-31 | Key synchronization in an image cryptographic systems |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02079994.6 | 2002-11-29 | ||
EP02079994 | 2002-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004051442A1 true WO2004051442A1 (en) | 2004-06-17 |
Family
ID=32405733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2003/004874 WO2004051442A1 (en) | 2002-11-29 | 2003-10-31 | Key synchronization in an image cryptographic systems |
Country Status (7)
Country | Link |
---|---|
US (1) | US20060026428A1 (en) |
EP (1) | EP1567925A1 (en) |
JP (1) | JP2006508602A (en) |
KR (1) | KR20050074646A (en) |
CN (1) | CN1717640A (en) |
AU (1) | AU2003274527A1 (en) |
WO (1) | WO2004051442A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060210080A1 (en) * | 2003-11-17 | 2006-09-21 | Koninklijke Philips Electronics N.V. | Key synchronization in a visual cryptographic system |
US7370978B2 (en) * | 2005-05-09 | 2008-05-13 | Anderson Daryl E | Encrypting data |
EP1943605A1 (en) * | 2005-11-04 | 2008-07-16 | Christian Hogl | Method and system for transmitting data from a first data processing device to a second data processing device |
US7747861B2 (en) * | 2005-11-09 | 2010-06-29 | Cisco Technology, Inc. | Method and system for redundant secure storage of sensitive data by using multiple keys |
JP4379483B2 (en) * | 2007-04-05 | 2009-12-09 | 富士ゼロックス株式会社 | Information processing apparatus and program |
US20080263361A1 (en) * | 2007-04-20 | 2008-10-23 | Microsoft Corporation | Cryptographically strong key derivation using password, audio-visual and mental means |
US20080298596A1 (en) * | 2007-05-30 | 2008-12-04 | Fujitsu Limited | Image encryption/decryption system |
DE102007052734B4 (en) | 2007-06-27 | 2010-12-30 | Universität Tübingen | Device and method for tapping and tamper-proof encryption for online accounts |
JP5176655B2 (en) * | 2008-03-31 | 2013-04-03 | 富士通株式会社 | Image decoding device |
CN102394751B (en) * | 2011-10-28 | 2013-09-18 | 中国人民解放军国防科学技术大学 | One-time pad password system based on visual cryptography |
CN102340402B (en) * | 2011-10-28 | 2013-09-18 | 中国人民解放军国防科学技术大学 | Identity authentication method based on visual cryptography |
US9276745B2 (en) * | 2011-12-15 | 2016-03-01 | Intel Corporation | Preserving image privacy when manipulated by cloud services |
US9197700B2 (en) * | 2013-01-18 | 2015-11-24 | Apple Inc. | Keychain syncing |
CN104834122A (en) | 2015-05-11 | 2015-08-12 | 京东方科技集团股份有限公司 | Display system and encrypting and decrypting method thereof |
CN113645252A (en) * | 2021-08-26 | 2021-11-12 | 深圳市天天来玩科技有限公司 | Encryption transmission method, network equipment and storage medium |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05323267A (en) * | 1992-05-26 | 1993-12-07 | Toshiba Corp | Liquid crystal display device |
US5513264A (en) * | 1994-04-05 | 1996-04-30 | Metanetics Corporation | Visually interactive encoding and decoding of dataforms |
US5537476A (en) * | 1994-11-21 | 1996-07-16 | International Business Machines Corporation | Secure viewing of display units by image superposition and wavelength separation |
FR2806230A1 (en) * | 2000-03-09 | 2001-09-14 | France Telecom | Public cybercafe area confidential document reader having stored graphically coded digital words with graphical key optical decoder activated allowing user screen viewing. |
US20010026248A1 (en) * | 1999-11-30 | 2001-10-04 | Andrew Goren | Method and apparatus for providing visual display security |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5541993A (en) * | 1994-05-10 | 1996-07-30 | Fan; Eric | Structure and method for secure image transmission |
JP2002016596A (en) * | 2000-06-29 | 2002-01-18 | Oki Electric Ind Co Ltd | Image transmitter and image receiver |
-
2003
- 2003-10-31 CN CNA2003801043273A patent/CN1717640A/en active Pending
- 2003-10-31 WO PCT/IB2003/004874 patent/WO2004051442A1/en not_active Application Discontinuation
- 2003-10-31 KR KR1020057009686A patent/KR20050074646A/en not_active Application Discontinuation
- 2003-10-31 JP JP2004556587A patent/JP2006508602A/en not_active Withdrawn
- 2003-10-31 EP EP03758501A patent/EP1567925A1/en not_active Withdrawn
- 2003-10-31 US US10/536,238 patent/US20060026428A1/en not_active Abandoned
- 2003-10-31 AU AU2003274527A patent/AU2003274527A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05323267A (en) * | 1992-05-26 | 1993-12-07 | Toshiba Corp | Liquid crystal display device |
US5513264A (en) * | 1994-04-05 | 1996-04-30 | Metanetics Corporation | Visually interactive encoding and decoding of dataforms |
US5537476A (en) * | 1994-11-21 | 1996-07-16 | International Business Machines Corporation | Secure viewing of display units by image superposition and wavelength separation |
US20010026248A1 (en) * | 1999-11-30 | 2001-10-04 | Andrew Goren | Method and apparatus for providing visual display security |
FR2806230A1 (en) * | 2000-03-09 | 2001-09-14 | France Telecom | Public cybercafe area confidential document reader having stored graphically coded digital words with graphical key optical decoder activated allowing user screen viewing. |
Non-Patent Citations (2)
Title |
---|
NAOR M ET AL: "Visual cryptography", ADVANCES IN CRYPTOLOGY. EUROCRYPT, XX, XX, 12 May 1994 (1994-05-12), pages 1 - 12, XP002205767 * |
PATENT ABSTRACTS OF JAPAN vol. 018, no. 146 (P - 1707) 10 March 1994 (1994-03-10) * |
Also Published As
Publication number | Publication date |
---|---|
US20060026428A1 (en) | 2006-02-02 |
JP2006508602A (en) | 2006-03-09 |
CN1717640A (en) | 2006-01-04 |
AU2003274527A1 (en) | 2004-06-23 |
KR20050074646A (en) | 2005-07-18 |
EP1567925A1 (en) | 2005-08-31 |
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