AR033905A1 - Portador de grabacion para almacenar trabajos digitales, metodo, dispositivo para grabar y dispositivo para leer dichos trabajos. - Google Patents

Portador de grabacion para almacenar trabajos digitales, metodo, dispositivo para grabar y dispositivo para leer dichos trabajos.

Info

Publication number
AR033905A1
AR033905A1 ARP020101882A ARP020101882A AR033905A1 AR 033905 A1 AR033905 A1 AR 033905A1 AR P020101882 A ARP020101882 A AR P020101882A AR P020101882 A ARP020101882 A AR P020101882A AR 033905 A1 AR033905 A1 AR 033905A1
Authority
AR
Argentina
Prior art keywords
recording
access information
works
recording carrier
reading
Prior art date
Application number
ARP020101882A
Other languages
English (en)
Inventor
Antonius Adriaan Maria Staring
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of AR033905A1 publication Critical patent/AR033905A1/es

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
    • G11B20/10—Digital recording or reproducing
    • 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
    • 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
    • G11B20/00217—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00253—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
    • G11B20/00369—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier wherein a first key, which is usually stored on a hidden channel, e.g. in the lead-in of a BD-R, unlocks a key locker containing a second
    • 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
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00789—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of functional copies, which can be accessed at a time, e.g. electronic bookshelf concept, virtual library, video rentals or check-in/check out
    • 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
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00797—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of times a content can be reproduced, e.g. using playback counters
    • 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
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/0084—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific time or date

Abstract

Se relaciona con un portador de grabación para almacenar un trabajo digital. El portador de grabación comprende información de acceso al trabajo digital, y un canal secundario en el cual se almacena información de acceso. Para evitar, prohibir o desalentar la manipulación con la información de canal secundario que es usada para encriptar, desencriptar o verificar la información de acceso. Para evitar, prohibir o desalentar la manipulación con la información de acceso, el canal secundario es almacenado en el portador de grabación en sustancialmente la misma ubicación física que la información de acceso. En una realización preferida, la información de canal secundario es cambiada cuando la información de acceso ha cambiado. Esto realiza un portador de grabación para el cual se evita el ataque de reproducción. También se relaciona con un método para grabar un trabajo digital en un portador de grabación, un dispositivo para grabar y un dispositivo para leer.
ARP020101882A 2001-05-22 2002-05-21 Portador de grabacion para almacenar trabajos digitales, metodo, dispositivo para grabar y dispositivo para leer dichos trabajos. AR033905A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01201925 2001-05-22

Publications (1)

Publication Number Publication Date
AR033905A1 true AR033905A1 (es) 2004-01-07

Family

ID=8180351

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP020101882A AR033905A1 (es) 2001-05-22 2002-05-21 Portador de grabacion para almacenar trabajos digitales, metodo, dispositivo para grabar y dispositivo para leer dichos trabajos.

Country Status (13)

Country Link
US (1) US8364981B2 (es)
EP (1) EP1435095A2 (es)
JP (5) JP4944355B2 (es)
KR (1) KR100926962B1 (es)
CN (1) CN100458948C (es)
AR (1) AR033905A1 (es)
AU (1) AU2002258089A1 (es)
BR (1) BR0205394A (es)
MX (1) MXPA03000471A (es)
RU (1) RU2297677C2 (es)
TW (1) TWI239479B (es)
WO (1) WO2002095748A2 (es)
ZA (1) ZA200309056B (es)

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KR100972831B1 (ko) * 2003-04-24 2010-07-28 엘지전자 주식회사 엔크립트된 데이터의 보호방법 및 그 재생장치
KR100974448B1 (ko) * 2003-04-24 2010-08-10 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR20040092649A (ko) * 2003-04-24 2004-11-04 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR100974449B1 (ko) * 2003-04-24 2010-08-10 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
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EP1829038A1 (en) * 2004-12-13 2007-09-05 Koninklijke Philips Electronics N.V. Controlling distribution and use of digital works
KR100692589B1 (ko) * 2005-01-06 2007-03-13 삼성전자주식회사 Ｄｒｍ 시스템에 적용되는 컨텐츠 재생장치 및 방법그리고 모바일코드 제공장치 및 방법
US7681050B2 (en) * 2005-12-01 2010-03-16 Telefonaktiebolaget L M Ericsson (Publ) Secure and replay protected memory storage
US8301906B2 (en) * 2006-05-10 2012-10-30 Nero Ag Apparatus for writing information on a data content on a storage medium
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US7978849B2 (en) * 2007-11-19 2011-07-12 Kabushiki Kaisha Toshiba Image forming apparatus, and control method thereof
CN101599936B (zh) * 2008-06-05 2013-04-24 华为技术有限公司 信息获取方法及系统和终端

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Also Published As

Publication number Publication date
US20030007437A1 (en) 2003-01-09
MXPA03000471A (es) 2003-10-14
JP5256326B2 (ja) 2013-08-07
WO2002095748A3 (en) 2004-02-26
CN1554087A (zh) 2004-12-08
JP2013140666A (ja) 2013-07-18
KR20030019597A (ko) 2003-03-06
RU2003136771A (ru) 2005-03-27
US8364981B2 (en) 2013-01-29
JP4944355B2 (ja) 2012-05-30
BR0205394A (pt) 2003-07-01
JP2011181179A (ja) 2011-09-15
EP1435095A2 (en) 2004-07-07
ZA200309056B (en) 2005-01-06
JP5690363B2 (ja) 2015-03-25
WO2002095748A2 (en) 2002-11-28
CN100458948C (zh) 2009-02-04
JP5739925B2 (ja) 2015-06-24
JP5256235B2 (ja) 2013-08-07
JP2013109826A (ja) 2013-06-06
JP2004527065A (ja) 2004-09-02
TWI239479B (en) 2005-09-11
JP2010198727A (ja) 2010-09-09
AU2002258089A1 (en) 2002-12-03
RU2297677C2 (ru) 2007-04-20
KR100926962B1 (ko) 2009-11-17

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Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed, e.g., due to non-payment of fee