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BRPI0605911A2 - método para gerenciar direitos digitais em serviço de difusão/multidifusão - Google Patents

método para gerenciar direitos digitais em serviço de difusão/multidifusão

Info

Publication number
BRPI0605911A2
BRPI0605911A2 BRPI0605911-2A BRPI0605911A BRPI0605911A2 BR PI0605911 A2 BRPI0605911 A2 BR PI0605911A2 BR PI0605911 A BRPI0605911 A BR PI0605911A BR PI0605911 A2 BRPI0605911 A2 BR PI0605911A2
Authority
BR
Brazil
Prior art keywords
digital rights
service
broadcast
multicast service
managing digital
Prior art date
Application number
BRPI0605911-2A
Other languages
English (en)
Inventor
Sung-Mu Son
Dong-Hee Shim
Kyu-Sung Han
Min-Jung Shon
Te Hyun Kim
Seung-Jae Lee
Youn Sung Chu
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
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of BRPI0605911A2 publication Critical patent/BRPI0605911A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H04W12/086—Access security using security domains
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/15—Arrangements for conditional access to broadcast information or to broadcast-related services on receiving information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/23—Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key distribution
    • 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
    • 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
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • 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
    • H04L63/104—Grouping of entities
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
    • 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
    • H04L2209/601—Broadcast encryption
    • 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
    • H04L2209/603—Digital right managament [DRM]
    • 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
    • H04L2209/80—Wireless
    • 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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

MéTODO PARA GERENCIAR DIREITOS DIGITAIS EM SERVIçO DE DIFUSãO/MULTIDIPUSãO. Trata-se de um método de gerenciamento de direitos digitais para um serviço de difusão/multidifusão, o método compreendendo receber de um terminal um pedido de associação a um domínio de serviço que tem uma chave de grupo comum; transmitir ao terminal que solicitou a associação a criptografia de uma ou mais chaves de criptografia de serviço utilizando a chave de grupo comum; e permitir que o terminal compartilhe os mesmos conteúdos e os mesmos serviços com um ou mais dispositivos dentro do domínio de serviço.
BRPI0605911-2A 2005-01-14 2006-01-13 método para gerenciar direitos digitais em serviço de difusão/multidifusão BRPI0605911A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US64399705P 2005-01-14 2005-01-14
KR1020050029717A KR100811046B1 (ko) 2005-01-14 2005-04-09 브로드캐스트/멀티캐스트 서비스에서 디지털 저작권관리방법
PCT/KR2006/000158 WO2006075900A1 (en) 2005-01-14 2006-01-13 Method for managing digital rights in broadcast/multicast service

Publications (1)

Publication Number Publication Date
BRPI0605911A2 true BRPI0605911A2 (pt) 2009-05-26

Family

ID=37173590

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0605911-2A BRPI0605911A2 (pt) 2005-01-14 2006-01-13 método para gerenciar direitos digitais em serviço de difusão/multidifusão

Country Status (12)

Country Link
US (1) US7769177B2 (pt)
EP (1) EP1836795B1 (pt)
JP (1) JP4705958B2 (pt)
KR (2) KR100811046B1 (pt)
CN (1) CN101061666B (pt)
AT (1) ATE501561T1 (pt)
BR (1) BRPI0605911A2 (pt)
DE (1) DE602006020543D1 (pt)
ES (1) ES2359507T3 (pt)
MX (1) MX2007003920A (pt)
RU (1) RU2391783C2 (pt)
WO (1) WO2006075900A1 (pt)

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Also Published As

Publication number Publication date
KR100939430B1 (ko) 2010-01-28
ES2359507T3 (es) 2011-05-24
WO2006075900A1 (en) 2006-07-20
ATE501561T1 (de) 2011-03-15
DE602006020543D1 (de) 2011-04-21
KR20070061777A (ko) 2007-06-14
US7769177B2 (en) 2010-08-03
EP1836795A1 (en) 2007-09-26
MX2007003920A (es) 2007-06-07
EP1836795B1 (en) 2011-03-09
HK1113446A1 (zh) 2008-10-03
CN101061666B (zh) 2011-08-10
CN101061666A (zh) 2007-10-24
JP2008524914A (ja) 2008-07-10
JP4705958B2 (ja) 2011-06-22
RU2007112475A (ru) 2009-02-20
KR20060083099A (ko) 2006-07-20
US20060206708A1 (en) 2006-09-14
KR100811046B1 (ko) 2008-03-06
EP1836795A4 (en) 2009-11-11
RU2391783C2 (ru) 2010-06-10

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