EP1125189A4 - Verfahren von digitaler steganografie für multimediadaten - Google Patents

Verfahren von digitaler steganografie für multimediadaten

Info

Publication number
EP1125189A4
EP1125189A4 EP99952884A EP99952884A EP1125189A4 EP 1125189 A4 EP1125189 A4 EP 1125189A4 EP 99952884 A EP99952884 A EP 99952884A EP 99952884 A EP99952884 A EP 99952884A EP 1125189 A4 EP1125189 A4 EP 1125189A4
Authority
EP
European Patent Office
Prior art keywords
methods
multimedia data
digital steganography
steganography
digital
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.)
Withdrawn
Application number
EP99952884A
Other languages
English (en)
French (fr)
Other versions
EP1125189A1 (de
Inventor
Anthony Tung Shuen Ho
Siu Chung Tam
Siong Chai Tan
Lian Teck Yap
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.)
Datamark Technologies Pte Ltd
Original Assignee
Datamark Technologies Pte 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 Datamark Technologies Pte Ltd filed Critical Datamark Technologies Pte Ltd
Publication of EP1125189A1 publication Critical patent/EP1125189A1/de
Publication of EP1125189A4 publication Critical patent/EP1125189A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/58—Random or pseudo-random number generators
    • G06F7/582—Pseudo-random number generators
    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/20—Manipulating the length of blocks of bits, e.g. padding or block truncation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/608—Watermarking
EP99952884A 1998-10-28 1999-10-26 Verfahren von digitaler steganografie für multimediadaten Withdrawn EP1125189A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG9803458 1998-10-28
SG9803458 1998-10-28
PCT/SG1999/000105 WO2000025203A1 (en) 1998-10-28 1999-10-26 Methods of digital steganography for multimedia data

Publications (2)

Publication Number Publication Date
EP1125189A1 EP1125189A1 (de) 2001-08-22
EP1125189A4 true EP1125189A4 (de) 2001-11-28

Family

ID=20430088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99952884A Withdrawn EP1125189A4 (de) 1998-10-28 1999-10-26 Verfahren von digitaler steganografie für multimediadaten

Country Status (4)

Country Link
EP (1) EP1125189A4 (de)
JP (1) JP2002528770A (de)
AU (1) AU6494399A (de)
WO (1) WO2000025203A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7124442B2 (en) 2001-07-25 2006-10-17 440 Pammel, Inc. System and method for insertion and retrieval of microthreads in transmitted data
US8566857B2 (en) 2005-09-20 2013-10-22 Forefront Assets Limited Liability Company Method, system and program product for broadcast advertising and other broadcast content performance verification utilizing digital artifacts
US8966517B2 (en) 2005-09-20 2015-02-24 Forefront Assets Limited Liability Company Method, system and program product for broadcast operations utilizing internet protocol and digital artifacts
WO2007035817A2 (en) 2005-09-20 2007-03-29 Celodata, Inc. A method, system and program product for the insertion and retrieval of identifying artifacts in transmitted lossy and lossless data
US8566858B2 (en) 2005-09-20 2013-10-22 Forefront Assets Limited Liability Company Method, system and program product for broadcast error protection of content elements utilizing digital artifacts
CN102938888B (zh) * 2012-10-31 2015-06-03 华南理工大学 适用于无线通信环境的秘密文件隐写与提取方法
CN107623855A (zh) * 2016-07-13 2018-01-23 谭心瑶 一种基于压缩编码的高嵌入率数据隐写装置及隐写方法
US11057192B2 (en) 2017-01-31 2021-07-06 Agency For Science, Technology And Research Method and apparatus for generating a cover image for steganography
CN107786555B (zh) * 2017-10-24 2020-05-15 大国创新智能科技(东莞)有限公司 基于大数据的信息隐写方法及系统、信息提取方法及系统
JP7389446B2 (ja) * 2019-05-13 2023-11-30 株式会社I.Meisters 暗号化／復号化装置、暗号化／復号化方法並びに該方法を実行するためのコンピュータプログラム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035048A1 (de) * 1980-03-04 1981-09-09 International Business Machines Corporation Verschlüsselungssystem, das eine veränderliche Schlüsselmatrix verwendet
US5717760A (en) * 1994-11-09 1998-02-10 Channel One Communications, Inc. Message protection system and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3888421T2 (de) * 1987-07-31 1994-08-04 Advantest Corp Gerät zur Erzeugung eines Pseudo-Zufallsmusters.
US5276738A (en) * 1992-12-17 1994-01-04 Bull Hn Information Systems Inc. Software data protection mechanism
US5613004A (en) * 1995-06-07 1997-03-18 The Dice Company Steganographic method and device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035048A1 (de) * 1980-03-04 1981-09-09 International Business Machines Corporation Verschlüsselungssystem, das eine veränderliche Schlüsselmatrix verwendet
US5717760A (en) * 1994-11-09 1998-02-10 Channel One Communications, Inc. Message protection system and method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JOHNSON N F ET AL: "EXPLORING STEGANOGRAPHY: SEEING THE UNSEEN", COMPUTER, IEEE COMPUTER SOCIETY, LONG BEACH., CA, US, US, vol. 31, no. 2, 1 February 1998 (1998-02-01), pages 26 - 34, XP000737935, ISSN: 0018-9162 *
See also references of WO0025203A1 *

Also Published As

Publication number Publication date
AU6494399A (en) 2000-05-15
WO2000025203A1 (en) 2000-05-04
JP2002528770A (ja) 2002-09-03
EP1125189A1 (de) 2001-08-22

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