EP1825468A4 - Method for securing content on a recording medium and a recording medium storing content secured by the method - Google Patents

Method for securing content on a recording medium and a recording medium storing content secured by the method

Info

Publication number
EP1825468A4
EP1825468A4 EP20050819089 EP05819089A EP1825468A4 EP 1825468 A4 EP1825468 A4 EP 1825468A4 EP 20050819089 EP20050819089 EP 20050819089 EP 05819089 A EP05819089 A EP 05819089A EP 1825468 A4 EP1825468 A4 EP 1825468A4
Authority
EP
Grant status
Application
Patent type
Prior art keywords
method
recording medium
content
secured
securing
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Withdrawn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
EP20050819089
Other languages
German (de)
French (fr)
Other versions
EP1825468A1 (en )
Inventor
Byung Jin Kim
Sung Wan Park
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00123Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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
    • H04L9/3236Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60Digital content management, e.g. content distribution
EP20050819089 2004-12-13 2005-12-13 Method for securing content on a recording medium and a recording medium storing content secured by the method Withdrawn EP1825468A4 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US63499904 true 2004-12-13 2004-12-13
KR20050105755A KR20060066628A (en) 2004-12-13 2005-11-05 Method for securing content on a recording medium and a recording medium storing content secured by the method
PCT/KR2005/004256 WO2006065050A1 (en) 2004-12-13 2005-12-13 Method for securing content on a recording medium and a recording medium storing content secured by the method

Publications (2)

Publication Number Publication Date
EP1825468A1 true EP1825468A1 (en) 2007-08-29
EP1825468A4 true true EP1825468A4 (en) 2011-11-30

Family

ID=36588073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050819089 Withdrawn EP1825468A4 (en) 2004-12-13 2005-12-13 Method for securing content on a recording medium and a recording medium storing content secured by the method

Country Status (2)

Country Link
EP (1) EP1825468A4 (en)
WO (1) WO2006065050A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343527A (en) * 1993-10-27 1994-08-30 International Business Machines Corporation Hybrid encryption method and system for protecting reusable software components
WO2003036862A1 (en) * 2001-10-25 2003-05-01 Motorola, Inc. A method for efficient hashing of digital content

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6601046B1 (en) * 1999-03-25 2003-07-29 Koninklijke Philips Electronics N.V. Usage dependent ticket to protect copy-protected material
US20040205345A1 (en) * 2003-04-11 2004-10-14 Ripley Michael S. System for identification and revocation of audiovisual titles and replicators

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343527A (en) * 1993-10-27 1994-08-30 International Business Machines Corporation Hybrid encryption method and system for protecting reusable software components
WO2003036862A1 (en) * 2001-10-25 2003-05-01 Motorola, Inc. A method for efficient hashing of digital content

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006065050A1 *

Also Published As

Publication number Publication date Type
EP1825468A1 (en) 2007-08-29 application
WO2006065050A1 (en) 2006-06-22 application

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Legal Events

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Effective date: 20070711

RIN1 Inventor (correction)

Inventor name: KIM, BYUNG JIN,111-204, HANSOL CHUNGU APT. 110

Inventor name: PARK, SUNG WAN,C/O LG ELECTRONICS INC., IP GROUP

DAX Request for extension of the european patent (to any country) deleted
A4 Despatch of supplementary search report

Effective date: 20111031

RIC1 Classification (correction)

Ipc: H04L 9/00 20060101ALI20111025BHEP

Ipc: G06F 21/00 20060101ALI20111025BHEP

Ipc: G11B 20/00 20060101AFI20111025BHEP

18D Deemed to be withdrawn

Effective date: 20130702