PT2052539T - Método de revogação de módulos de segurança para proteger mensagens difundidas - Google Patents

Método de revogação de módulos de segurança para proteger mensagens difundidas

Info

Publication number
PT2052539T
PT2052539T PT78026218T PT07802621T PT2052539T PT 2052539 T PT2052539 T PT 2052539T PT 78026218 T PT78026218 T PT 78026218T PT 07802621 T PT07802621 T PT 07802621T PT 2052539 T PT2052539 T PT 2052539T
Authority
PT
Portugal
Prior art keywords
revocation
broadcast messages
modules used
security modules
secure broadcast
Prior art date
Application number
PT78026218T
Other languages
English (en)
Inventor
Junod Pascal
Original Assignee
Nagravision Sa
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 Nagravision Sa filed Critical Nagravision Sa
Publication of PT2052539T publication Critical patent/PT2052539T/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
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/065—Network architectures or network communication protocols for network security for supporting key management in a packet data network for group communications
    • 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
    • H04L63/0442—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 asymmetric encryption, i.e. different keys for encryption and decryption
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • H04N21/2585—Generation of a revocation list, e.g. of client devices involved in piracy acts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • 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)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Graphics (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Technology Law (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Storage Device Security (AREA)
PT78026218T 2006-08-17 2007-08-15 Método de revogação de módulos de segurança para proteger mensagens difundidas PT2052539T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06119127A EP1890493A1 (fr) 2006-08-17 2006-08-17 Méthode de révocation de modules de sécurité utilisés pour sécuriser des messages diffusés

Publications (1)

Publication Number Publication Date
PT2052539T true PT2052539T (pt) 2017-01-26

Family

ID=37622053

Family Applications (1)

Application Number Title Priority Date Filing Date
PT78026218T PT2052539T (pt) 2006-08-17 2007-08-15 Método de revogação de módulos de segurança para proteger mensagens difundidas

Country Status (11)

Country Link
US (2) US7831045B2 (pt)
EP (2) EP1890493A1 (pt)
CN (1) CN101507272B (pt)
BR (1) BRPI0714521B1 (pt)
CA (1) CA2660593C (pt)
DK (1) DK2052539T3 (pt)
ES (1) ES2611313T3 (pt)
HU (1) HUE031879T2 (pt)
PL (1) PL2052539T3 (pt)
PT (1) PT2052539T (pt)
WO (1) WO2008020041A1 (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070067620A1 (en) * 2005-09-06 2007-03-22 Ironkey, Inc. Systems and methods for third-party authentication
EP1890493A1 (fr) * 2006-08-17 2008-02-20 Nagracard S.A. Méthode de révocation de modules de sécurité utilisés pour sécuriser des messages diffusés
US8238559B2 (en) * 2008-04-02 2012-08-07 Qwest Communications International Inc. IPTV follow me content system and method
WO2009137371A2 (en) * 2008-05-02 2009-11-12 Ironkey, Inc. Enterprise device recovery
EP2227014B1 (en) * 2009-03-02 2019-10-02 Irdeto B.V. Securely providing secret data from a sender to a receiver
EP2227015B1 (en) * 2009-03-02 2018-01-10 Irdeto B.V. Conditional entitlement processing for obtaining a control word
US8745365B2 (en) 2009-08-06 2014-06-03 Imation Corp. Method and system for secure booting a computer by booting a first operating system from a secure peripheral device and launching a second operating system stored a secure area in the secure peripheral device on the first operating system
US8683088B2 (en) * 2009-08-06 2014-03-25 Imation Corp. Peripheral device data integrity
US8775825B2 (en) * 2009-08-17 2014-07-08 Cram Worldwide Llc Digital content management and delivery
US9633391B2 (en) 2011-03-30 2017-04-25 Cram Worldwide, Llc Secure pre-loaded drive management at kiosk
US8886963B2 (en) * 2011-09-15 2014-11-11 Apple Inc. Secure relocation of encrypted files
KR20140102859A (ko) * 2013-02-15 2014-08-25 삼성전자주식회사 암호화 컨텐츠 수신방법 및 수신장치, 암호화 컨텐츠 공급방법 및 공급장치
EP2827598A1 (en) * 2013-07-18 2015-01-21 OpenTV, Inc. A system for receiving and decrypting streaming content
CN104062156A (zh) * 2014-07-02 2014-09-24 四川农业大学 温室气体采集系统及温室气体排放量的分析方法
CN104796745A (zh) * 2015-03-26 2015-07-22 成都市斯达鑫辉视讯科技有限公司 机顶盒的安全保护方法
CN106779736A (zh) * 2016-11-30 2017-05-31 电子科技大学 基于生物特征的区块链技术认证方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578530A (en) * 1981-06-26 1986-03-25 Visa U.S.A., Inc. End-to-end encryption system and method of operation
US4423287A (en) * 1981-06-26 1983-12-27 Visa U.S.A., Inc. End-to-end encryption system and method of operation
PL356046A1 (en) * 2000-01-28 2004-06-14 Nagracard S.A. Method and system for transmission of decrypting information
US7010125B2 (en) 2001-01-26 2006-03-07 Interntional Business Machines Corporation Method for tracing traitor receivers in a broadcast encryption system
ATE465571T1 (de) * 2001-08-13 2010-05-15 Univ Leland Stanford Junior Systeme und verfahren zur verschlüsselung auf identitätsbasis und damit zusammenhängende kryptografische techniken
TWI246298B (en) * 2002-04-30 2005-12-21 Ibm Cryptographic communication system, key distribution server and terminal device constituting the system, and method for sharing key
CN1241350C (zh) * 2002-09-23 2006-02-08 国际商业机器公司 有条件接收系统中的密钥分配方法及装置
US7450722B2 (en) * 2002-12-13 2008-11-11 General Instrument Corporation Subset difference method for multi-cast rekeying
US8707373B2 (en) * 2003-05-14 2014-04-22 The Directv Group, Inc. Method and system for providing digital video distribution
US7516326B2 (en) * 2004-10-15 2009-04-07 Hewlett-Packard Development Company, L.P. Authentication system and method
FR2882208B1 (fr) * 2005-02-14 2007-05-11 Viaccess Sa Procede et systeme de reception d'un signal multimedia, entite cryptographique pour ce procede de reception et systeme, procede et boite noire pour la fabrication de l'entite cryptographique
RU2007143552A (ru) * 2005-04-26 2009-06-10 Конинклейке Филипс Электроникс Н.В. (Nl) Устройство и способ обработки зашифрованного потока данных
US8458673B2 (en) * 2006-04-26 2013-06-04 Flexera Software Llc Computer-implemented method and system for binding digital rights management executable code to a software application
EP1890493A1 (fr) * 2006-08-17 2008-02-20 Nagracard S.A. Méthode de révocation de modules de sécurité utilisés pour sécuriser des messages diffusés
US8532293B2 (en) * 2007-09-27 2013-09-10 The Directv Group, Inc. Method and system for securely providing and storing content in a multiple dwelling unit system
US8306220B2 (en) * 2008-01-17 2012-11-06 Nagravision S.A. Method to generate a private key in a boneh-franklin scheme

Also Published As

Publication number Publication date
US20080044019A1 (en) 2008-02-21
DK2052539T3 (en) 2017-02-27
EP1890493A1 (fr) 2008-02-20
BRPI0714521B1 (pt) 2020-05-05
US8548167B2 (en) 2013-10-01
US20090208010A1 (en) 2009-08-20
EP2052539B1 (fr) 2016-11-16
CN101507272B (zh) 2012-05-23
EP2052539A1 (fr) 2009-04-29
US7831045B2 (en) 2010-11-09
CN101507272A (zh) 2009-08-12
CA2660593C (en) 2014-12-02
HUE031879T2 (en) 2017-08-28
ES2611313T3 (es) 2017-05-08
PL2052539T3 (pl) 2017-06-30
CA2660593A1 (en) 2008-02-21
BRPI0714521A2 (pt) 2013-04-24
WO2008020041A1 (fr) 2008-02-21

Similar Documents

Publication Publication Date Title
PT2052539T (pt) Método de revogação de módulos de segurança para proteger mensagens difundidas
GB2457508B (en) System and method of audio adaptaton
GB0800315D0 (en) Method of replying to an electronically-received message
GB2450048B (en) Peer to peer syncronization system and method
IL202726A0 (en) System and method of creating and sending broadcast and multicast data
EP2321407A4 (en) SYSTEM AND METHOD FOR THE PRODUCTION OF T-LYMPHOCYTES
EP2080279A4 (en) BROADCAST TRANSMISSION AND SYSTEM
SI2271866T1 (sl) Izolirno tesnilo, sistem in postopek izdelave
GB0715940D0 (en) Connection identifier system and method
EP2329450A4 (en) SYSTEM AND METHOD FOR CONTEX-WIDE MESSAGE TRANSMISSION
EP2344994A4 (en) MULTIFACTORIAL AUTHORIZATION SYSTEM AND METHOD
EP2145427A4 (en) SYSTEM AND METHOD FOR DIFFUSION OF CONTENT TO N UDS IN COMPUTER NETWORKS
EP2394244A4 (en) METHOD AND SYSTEM FOR PROVIDING CONTENT GENERATING CAPABILITIES
ZA201000654B (en) Power generation process and system
EP2390796A4 (en) METHOD AND SYSTEM FOR MESSAGE INTERACTION IN A MULTI-TAB APPLICATION
PL2208332T3 (pl) System i sposób odsłuchiwania treści audio
EP2477353A4 (en) METHOD AND SYSTEM FOR BROADCASTING MULTIMEDIA MESSAGES
GB0623601D0 (en) Authentication of message recipients
PL1956777T3 (pl) Sposób i system ograniczania rozprzestrzeniania się wiadomości elektronicznych
EP2412788A4 (en) GASIFICATION SYSTEM AND GASIFICATION METHOD
IL206786A0 (en) System and method for large-scale infiltration of plants
EP2320691A4 (en) Method for enhancing the security of the multicast or broadcast system
EP2263242A4 (en) REMOVAL SYSTEM AND METHOD
IL211851A0 (en) Method for producing and purifying trifluoromethanesulfinic acid
IL205991A0 (en) System for and method of auto-registration with cryptographic modules