BRPI0501325A - Sintetizando conteúdo digital em uma sistema de proteção de conteúdo de acordo com uma pluralidade de licenças digitais encadeadas - Google Patents

Sintetizando conteúdo digital em uma sistema de proteção de conteúdo de acordo com uma pluralidade de licenças digitais encadeadas

Info

Publication number
BRPI0501325A
BRPI0501325A BR0501325-9A BRPI0501325A BRPI0501325A BR PI0501325 A BRPI0501325 A BR PI0501325A BR PI0501325 A BRPI0501325 A BR PI0501325A BR PI0501325 A BRPI0501325 A BR PI0501325A
Authority
BR
Brazil
Prior art keywords
license
content
thread
digital
licenses
Prior art date
Application number
BR0501325-9A
Other languages
English (en)
Inventor
Brian P Evans
Clifford P Strom
Michael Jay Parks
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Publication of BRPI0501325A publication Critical patent/BRPI0501325A/pt
Publication of BRPI0501325B1 publication Critical patent/BRPI0501325B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/34—Supporting means, e.g. frames
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/60—Poles
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/045—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply hybrid encryption, i.e. combination of symmetric and asymmetric encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Architecture (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Technology Law (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Circuits Of Receivers In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

"SINTETIZANDO CONTEúDO DIGITAL EM UM SISTEMA DE PROTEçãO DE CONTEúDO DE ACORDO COM UMA PLURALIDADE DE LICENçAS DIGITAIS ENCADEADAS". Trata-se de uma requisição para sintetizar conteúdo criptografado que é recebida e de um encadeamento de licenças correspondendo ao conteúdo que é localizado. O encadeamento inclui uma licença folha ligada com o conteúdo em uma extremidade do encadeamento, uma licença raiz na outra extremidade do encadeamento e quaisquer licenças intermediárias entre as mesmas. Cada uma da licença folha e de quaisquer licenças intermediárias no encadeamento é ligada com a licença adjacente no encadeamento em direção à licença raiz e a licença raiz é ligada com um proprietário de uma chave privada (PR-U). Para cada licença no encadeamento, a licença é verificada e é confirmado que a licença permite que o conteúdo seja sintetizado. Uma chave de decriptografia é obtida a partir da licença folha baseado na aplicação de (PR-U) junto a licença raiz, a chave obtida é aplicada para decriptografar o conteúdo criptografado e o conteúdo decriptografado é sintetizado.
BRPI0501325A 2004-04-23 2005-04-18 renderizar conteúdo digital em um sistema de proteção de conteúdo de acordo com uma pluralidade de licenças digitais encadeadas BRPI0501325B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/831,281 US7568096B2 (en) 2004-04-23 2004-04-23 Rendering digital content in a content protection system according to a plurality of chained digital licenses

Publications (2)

Publication Number Publication Date
BRPI0501325A true BRPI0501325A (pt) 2005-12-06
BRPI0501325B1 BRPI0501325B1 (pt) 2018-09-04

Family

ID=34939191

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0501325A BRPI0501325B1 (pt) 2004-04-23 2005-04-18 renderizar conteúdo digital em um sistema de proteção de conteúdo de acordo com uma pluralidade de licenças digitais encadeadas

Country Status (16)

Country Link
US (1) US7568096B2 (pt)
EP (1) EP1594034B1 (pt)
JP (1) JP4741278B2 (pt)
KR (1) KR100992787B1 (pt)
CN (1) CN100588152C (pt)
AT (1) ATE463799T1 (pt)
AU (1) AU2005201572B2 (pt)
BR (1) BRPI0501325B1 (pt)
CA (1) CA2504677C (pt)
DE (1) DE602005020385D1 (pt)
HK (1) HK1083901A1 (pt)
MX (1) MXPA05004270A (pt)
MY (1) MY141648A (pt)
RU (1) RU2378772C2 (pt)
TW (1) TWI366370B (pt)
ZA (1) ZA200503017B (pt)

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Also Published As

Publication number Publication date
BRPI0501325B1 (pt) 2018-09-04
CA2504677C (en) 2013-07-30
HK1083901A1 (en) 2006-07-14
MXPA05004270A (es) 2005-10-27
EP1594034A3 (en) 2006-09-27
DE602005020385D1 (de) 2010-05-20
ATE463799T1 (de) 2010-04-15
KR20060047417A (ko) 2006-05-18
EP1594034B1 (en) 2010-04-07
JP4741278B2 (ja) 2011-08-03
US20050251487A1 (en) 2005-11-10
MY141648A (en) 2010-05-31
EP1594034A2 (en) 2005-11-09
RU2378772C2 (ru) 2010-01-10
JP2005322227A (ja) 2005-11-17
CN100588152C (zh) 2010-02-03
RU2005112059A (ru) 2006-10-27
US7568096B2 (en) 2009-07-28
ZA200503017B (en) 2007-03-28
CN1691579A (zh) 2005-11-02
TWI366370B (en) 2012-06-11
AU2005201572B2 (en) 2010-10-28
CA2504677A1 (en) 2005-10-22
AU2005201572A1 (en) 2005-11-10
KR100992787B1 (ko) 2010-11-05

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B25A Requested transfer of rights approved

Owner name: MICROSOFT TECHNOLOGY LICENSING, LLC (US)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 04/09/2018, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 15A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: MANUTENCAO DA EXTINCAO - ART. 78 INCISO IV DA LPI