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 EP05819089A EP05819089A EP1825468A4 EP 1825468 A4 EP1825468 A4 EP 1825468A4 EP 05819089 A EP05819089 A EP 05819089A EP 05819089 A EP05819089 A EP 05819089A EP 1825468 A4 EP1825468 A4 EP 1825468A4
Authority
EP
European Patent Office
Prior art keywords
recording medium
content
secured
securing
medium storing
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Withdrawn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
EP05819089A
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
Priority claimed from KR1020050105755A external-priority patent/KR20060066628A/en
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1825468A1 publication Critical patent/EP1825468A1/en
Publication of EP1825468A4 publication Critical patent/EP1825468A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00123—Circuits 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • 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
    • 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
EP05819089A 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)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US63499904P 2004-12-13 2004-12-13
KR1020050105755A 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 EP1825468A1 (en) 2007-08-29
EP1825468A4 true EP1825468A4 (en) 2011-11-30

Family

ID=36588073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05819089A 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220014379A1 (en) * 2020-07-10 2022-01-13 Arm Limited Memory protection using cached partial hash values

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 (3)

* 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
TWI239447B (en) * 2000-06-02 2005-09-11 Koninkl Philips Electronics Nv Recordable storage medium with protected data area
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
EP1825468A1 (en) 2007-08-29
WO2006065050A1 (en) 2006-06-22

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20070711

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

RIN1 Information on inventor provided before grant (corrected)

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 (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20111031

RIC1 Information provided on ipc code assigned before grant

Ipc: H04L 9/00 20060101ALI20111025BHEP

Ipc: G06F 21/00 20060101ALI20111025BHEP

Ipc: G11B 20/00 20060101AFI20111025BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20130702