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BRPI0503036A - método para prover acesso a um conteúdo criptografado para um de uma pluralidade de sistemas do consumidor, dispositivo para prover acesso a um conteúdo criptografado e método para gerar um pacote de conteúdo seguro - Google Patents

método para prover acesso a um conteúdo criptografado para um de uma pluralidade de sistemas do consumidor, dispositivo para prover acesso a um conteúdo criptografado e método para gerar um pacote de conteúdo seguro

Info

Publication number
BRPI0503036A
BRPI0503036A BRPI0503036-6A BRPI0503036A BRPI0503036A BR PI0503036 A BRPI0503036 A BR PI0503036A BR PI0503036 A BRPI0503036 A BR PI0503036A BR PI0503036 A BRPI0503036 A BR PI0503036A
Authority
BR
Brazil
Prior art keywords
encrypted content
content
providing access
rights data
data object
Prior art date
Application number
BRPI0503036-6A
Other languages
English (en)
Inventor
Andrew Augustine Wajs
Original Assignee
Irdeto Access Bv
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 Irdeto Access Bv filed Critical Irdeto Access Bv
Publication of BRPI0503036A publication Critical patent/BRPI0503036A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2149—Restricted operating environment

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

"MéTODO PARA PROVER ACESSO A UM CONTEúDO CRIPTOGRAFADO PARA UM DE UMA PLURALIDADE DE SISTEMAS DO CONSUMIDOR, DISPOSITIVO PARA PROVER ACESSO A UM CONTEúDO CRIPTOGRAFADO E MéTODO PARA GERAR UM PACOTE DE CONTEúDO SEGURO". A presente invenção refere-se a um método para prover acesso a um conteúdo criptografado para um de uma pluralidade de sistemas do consumidor (2-6), cada sistema do consumidor sendo capaz de obter um pacote de conteúdo seguro, que inclui o conteúdo criptografado e uma indicação de um local do qual solicitar um objeto de dados de direitos, e ainda incluindo pelo menos um dispositivo (2-4) que tem acesso a um pacote de conteúdo seguro assim obtido e provido com uma função de agente que o permite recuperar um objeto de dados de direitos de um dispositivo (24) que emite os objetos de dados de direitos do local indicado e para prover acesso a pelo menos parte do conteúdo criptografado, o objeto de dados de direitos incluindo pelo menos as informações de chave de conteúdo que permitem a decifração de pelo menos parte do conteúdo criptografado e estando criptograficamente ligado pelo menos o dispositivo para o qual este foi emitido, de tal modo que somente os dispositivos (2-4, 6) com uma função de agente para os quais o objeto de dados de direitos foi ligado são capazes de obter as informações de chave de conteúdo, que está caracterizado pela transferência de um módulo emissor de direitos para um ambiente protegido (25) de um dispositivo (24) para incorporação naquele sistema do consumidor, permitindo que o dispositivo, quando operacional no sistema do consumidor, gere pelo menos um objeto de dados de direitos criptograficamente ligado a um solicitante de um dos dispositivos no sistema do consumidor provido com uma função de agente.
BRPI0503036-6A 2004-07-30 2005-07-28 método para prover acesso a um conteúdo criptografado para um de uma pluralidade de sistemas do consumidor, dispositivo para prover acesso a um conteúdo criptografado e método para gerar um pacote de conteúdo seguro BRPI0503036A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04103695.5A EP1621955B1 (en) 2004-07-30 2004-07-30 Method and device for providing access to encrypted content

Publications (1)

Publication Number Publication Date
BRPI0503036A true BRPI0503036A (pt) 2006-03-14

Family

ID=34929402

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0503036-6A BRPI0503036A (pt) 2004-07-30 2005-07-28 método para prover acesso a um conteúdo criptografado para um de uma pluralidade de sistemas do consumidor, dispositivo para prover acesso a um conteúdo criptografado e método para gerar um pacote de conteúdo seguro

Country Status (14)

Country Link
US (1) US20060080259A1 (pt)
EP (1) EP1621955B1 (pt)
JP (1) JP4823602B2 (pt)
KR (1) KR101248790B1 (pt)
CN (1) CN1728633B (pt)
AR (1) AR050021A1 (pt)
AU (1) AU2005203126B8 (pt)
BR (1) BRPI0503036A (pt)
CA (1) CA2512705A1 (pt)
MX (1) MXPA05008132A (pt)
MY (1) MY144961A (pt)
RU (1) RU2395166C2 (pt)
TW (1) TWI311880B (pt)
ZA (1) ZA200505701B (pt)

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Also Published As

Publication number Publication date
KR101248790B1 (ko) 2013-04-03
EP1621955B1 (en) 2017-06-07
JP2006050624A (ja) 2006-02-16
AU2005203126A1 (en) 2006-02-16
KR20060048949A (ko) 2006-05-18
EP1621955A1 (en) 2006-02-01
TWI311880B (en) 2009-07-01
MY144961A (en) 2011-11-30
AU2005203126B8 (en) 2010-12-23
AU2005203126B2 (en) 2010-07-22
RU2395166C2 (ru) 2010-07-20
CN1728633A (zh) 2006-02-01
ZA200505701B (en) 2007-03-28
RU2005124252A (ru) 2007-02-10
TW200616412A (en) 2006-05-16
US20060080259A1 (en) 2006-04-13
CN1728633B (zh) 2012-01-11
JP4823602B2 (ja) 2011-11-24
MXPA05008132A (es) 2006-02-01
CA2512705A1 (en) 2006-01-30
AR050021A1 (es) 2006-09-20

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 8A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2259 DE 22/04/2014.