WO2003096336A3 - Method and device for producing coded data, for decoding coded data and for producing re-signed data - Google Patents

Method and device for producing coded data, for decoding coded data and for producing re-signed data Download PDF

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Publication number
WO2003096336A3
WO2003096336A3 PCT/EP2003/004735 EP0304735W WO03096336A3 WO 2003096336 A3 WO2003096336 A3 WO 2003096336A3 EP 0304735 W EP0304735 W EP 0304735W WO 03096336 A3 WO03096336 A3 WO 03096336A3
Authority
WO
WIPO (PCT)
Prior art keywords
coded data
data
signature
producing
coded
Prior art date
Application number
PCT/EP2003/004735
Other languages
German (de)
French (fr)
Other versions
WO2003096336A2 (en
Inventor
Karlheinz Brandenburg
Christian Neubauer
Ralph Kulessa
Frank Siebenhaar
Wolfgang Spinnler
Original Assignee
Fraunhofer Ges Forschung
Karlheinz Brandenburg
Christian Neubauer
Ralph Kulessa
Frank Siebenhaar
Wolfgang Spinnler
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 Fraunhofer Ges Forschung, Karlheinz Brandenburg, Christian Neubauer, Ralph Kulessa, Frank Siebenhaar, Wolfgang Spinnler filed Critical Fraunhofer Ges Forschung
Priority to EP03725156A priority Critical patent/EP1509828A2/en
Priority to AU2003227723A priority patent/AU2003227723A1/en
Priority to KR1020047018182A priority patent/KR100848369B1/en
Publication of WO2003096336A2 publication Critical patent/WO2003096336A2/en
Publication of WO2003096336A3 publication Critical patent/WO2003096336A3/en
Priority to US10/985,479 priority patent/US20050135613A1/en

Links

Classifications

    • 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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • 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
    • G06F21/10—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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • 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
    • H04L2209/606—Traitor tracing

Abstract

The invention relates to devices and methods for producing coded data, for reproducing coded data and for re-signing originally signed data based on the fact that the coded data in addition to the coded media information, comprises the necessary information for decoding the data in addition to a signature thereof which produces the coded data. The source of the coded data is thus traceable. Reproduction of coded data is allowed within defined limits by the producer of the coded data for friends or relatives for example, yet large-scale duplication of the coded data is seen as an act of piracy. The data pirate can be traced back by means of the signature, since the signature is optionally secured by means of an embedded water-mark signature. Since the issue at stake is a concept wherein only legal use should occur for coded data, unauthorised removal of the coding is a criminal act. The inventive concept enables the wrong doer to be determined and takes into account both the ownership status of the provider with regard to a defined reproduction of media information and also has the potentiality of being acceptable to the market.
PCT/EP2003/004735 2002-05-10 2003-05-06 Method and device for producing coded data, for decoding coded data and for producing re-signed data WO2003096336A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP03725156A EP1509828A2 (en) 2002-05-10 2003-05-06 Method and device for producing coded data, for decoding coded data and for producing re-signed data
AU2003227723A AU2003227723A1 (en) 2002-05-10 2003-05-06 Method and device for producing coded data, for decoding coded data and for producing re-signed data
KR1020047018182A KR100848369B1 (en) 2002-05-10 2003-05-06 Method and device for producing coded data, for decoding coded data and for producing re-signed data
US10/985,479 US20050135613A1 (en) 2002-05-10 2004-11-10 Device and method for generating encrypted data, for decrypting encrypted data and for generating re-signed data

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10220925.1 2002-05-10
DE10220925A DE10220925B4 (en) 2002-05-10 2002-05-10 Apparatus and method for generating encrypted data, decrypting encrypted data, and generating re-signed data

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/985,479 Continuation US20050135613A1 (en) 2002-05-10 2004-11-10 Device and method for generating encrypted data, for decrypting encrypted data and for generating re-signed data

Publications (2)

Publication Number Publication Date
WO2003096336A2 WO2003096336A2 (en) 2003-11-20
WO2003096336A3 true WO2003096336A3 (en) 2004-05-27

Family

ID=29285275

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/004735 WO2003096336A2 (en) 2002-05-10 2003-05-06 Method and device for producing coded data, for decoding coded data and for producing re-signed data

Country Status (6)

Country Link
EP (1) EP1509828A2 (en)
KR (1) KR100848369B1 (en)
CN (1) CN100514252C (en)
AU (1) AU2003227723A1 (en)
DE (1) DE10220925B4 (en)
WO (1) WO2003096336A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080063206A1 (en) * 2006-09-07 2008-03-13 Karp James M Method for altering the access characteristics of encrypted data
EP2912816A4 (en) * 2012-10-23 2016-06-29 Nokia Technologies Oy Method and apparatus for managing access rights
KR102124575B1 (en) * 2013-05-02 2020-06-18 삼성전자주식회사 Electro device for protecting user privacy and method for controlling thereof
CN111178010B (en) * 2019-12-20 2024-02-09 国久大数据有限公司 Method and system for displaying digital signature, data editing method and terminal
TWI791963B (en) 2020-03-19 2023-02-11 瑞昱半導體股份有限公司 Data decryption system and data decryption method
CN112401477A (en) * 2020-09-01 2021-02-26 深圳中时利和科技有限公司 Electronic information intelligent management device based on computer and use method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001057783A1 (en) * 2000-02-04 2001-08-09 Digimarc Corporation Integrating digital watermarks in multimedia content
WO2001080191A1 (en) * 2000-04-17 2001-10-25 Robert Kaplan Method and apparatus for transferring or receiving data via the internet securely
WO2003030541A2 (en) * 2001-10-03 2003-04-10 The Trustees Of Columbia University In The City Of New York Method and apparatus for watermarking and authenticating data
WO2003054702A1 (en) * 2001-12-21 2003-07-03 Nokia Corporation Location-based content protection

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465299A (en) * 1992-12-03 1995-11-07 Hitachi, Ltd. Electronic document processing system and method of forming digital signature
US5799083A (en) * 1996-08-26 1998-08-25 Brothers; Harlan Jay Event verification system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001057783A1 (en) * 2000-02-04 2001-08-09 Digimarc Corporation Integrating digital watermarks in multimedia content
WO2001080191A1 (en) * 2000-04-17 2001-10-25 Robert Kaplan Method and apparatus for transferring or receiving data via the internet securely
WO2003030541A2 (en) * 2001-10-03 2003-04-10 The Trustees Of Columbia University In The City Of New York Method and apparatus for watermarking and authenticating data
WO2003054702A1 (en) * 2001-12-21 2003-07-03 Nokia Corporation Location-based content protection

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YUJI WATANABE ET AL: "Traitor traceable signature scheme", IEEE, 25 June 2000 (2000-06-25), pages 462 - 462, XP010510335 *

Also Published As

Publication number Publication date
KR100848369B1 (en) 2008-07-24
CN1774684A (en) 2006-05-17
AU2003227723A8 (en) 2003-11-11
WO2003096336A2 (en) 2003-11-20
KR20050010795A (en) 2005-01-28
EP1509828A2 (en) 2005-03-02
DE10220925A1 (en) 2003-11-27
AU2003227723A1 (en) 2003-11-11
CN100514252C (en) 2009-07-15
DE10220925B4 (en) 2005-03-31

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