[go: up one dir, main page]

BR9815607A - Representation of authorizations for service in a conditional access system - Google Patents

Representation of authorizations for service in a conditional access system

Info

Publication number
BR9815607A
BR9815607A BR9815607-1A BR9815607A BR9815607A BR 9815607 A BR9815607 A BR 9815607A BR 9815607 A BR9815607 A BR 9815607A BR 9815607 A BR9815607 A BR 9815607A
Authority
BR
Brazil
Prior art keywords
service
instances
conditional access
authorizations
representation
Prior art date
Application number
BR9815607-1A
Other languages
Portuguese (pt)
Inventor
Glendon L Akins Iii
Anthony J Wasilewski
Robert O Banker
Michael S Palgon
Howard G Pinder
Original Assignee
Scientific Atlanta
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 Scientific Atlanta filed Critical Scientific Atlanta
Publication of BR9815607A publication Critical patent/BR9815607A/en

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
    • H04L63/04—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
    • 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
    • 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
    • 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
    • H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
    • 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
    • H04N21/21—Server components or server architectures
    • H04N21/226—Characteristics of the server or Internal components of the server
    • H04N21/2265—Server identification by a unique number or address, e.g. serial number
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • 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
    • H04N21/4508—Management of client data or end-user data
    • H04N21/4524—Management of client data or end-user data involving the geographical location of the client
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

"REPRESENTAçãO DE AUTORIZAçõES PARA SERVIçO EMUM SISTEMA DE ACESSO CONDICIONAL". Um sistema detelevisão a cabo provê acesso condicional a serviços. O sistemade televisão a cabo inclui um extremo de cabeça do qual"instâncias" de serviço, ou programas, são difundidos e umapluralidade de unidades set top para receber as instâncias eseletivamente decriptografar as instâncias para exibição paraassinantes do sistema. As instâncias de serviço são criptografadasutilizando chaves pública e/ou privada fornecidas pelosprovedores de serviço ou agentes de autorização central. Aschaves utilizadas pelos set tops para decriptografia seletivatambém podem ser de natureza pública ou privada, e tais chavespodem ser reatribuídas em tempos diferentes para fornecer umsistema de televisão a cabo no qual as preocupações com piratariasão minimizadas."REPRESENTATION OF AUTHORIZATIONS FOR SERVICE IN A CONDITIONAL ACCESS SYSTEM". A cable television system provides conditional access to services. The cable television system includes a head end from which service "instances", or programs, are broadcast and a plurality of set top units to receive the instances and selectively decrypt the instances for display to system subscribers. Service instances are encrypted using public and / or private keys provided by service providers or central authorization agents. The keys used by set tops for selective decryption can also be of a public or private nature, and such keys can be reassigned at different times to provide a cable television system in which concerns about piracy are minimized.

BR9815607-1A 1997-08-01 1998-07-31 Representation of authorizations for service in a conditional access system BR9815607A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5457597P 1997-08-01 1997-08-01
US12678398A 1998-07-31 1998-07-31
PCT/US1998/015985 WO1999007146A1 (en) 1997-08-01 1998-07-31 Representing entitlements to service in a conditional access system

Publications (1)

Publication Number Publication Date
BR9815607A true BR9815607A (en) 2001-11-13

Family

ID=26733210

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9815607-1A BR9815607A (en) 1997-08-01 1998-07-31 Representation of authorizations for service in a conditional access system

Country Status (4)

Country Link
EP (1) EP1010324A1 (en)
JP (2) JP2002506296A (en)
BR (1) BR9815607A (en)
WO (1) WO1999007146A1 (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6872984B1 (en) 1998-07-29 2005-03-29 Silicon Light Machines Corporation Method of sealing a hermetic lid to a semiconductor die at an angle
US7177081B2 (en) 2001-03-08 2007-02-13 Silicon Light Machines Corporation High contrast grating light valve type device
US8121296B2 (en) 2001-03-28 2012-02-21 Qualcomm Incorporated Method and apparatus for security in a data processing system
US8077679B2 (en) 2001-03-28 2011-12-13 Qualcomm Incorporated Method and apparatus for providing protocol options in a wireless communication system
US20030208753A1 (en) * 2001-04-10 2003-11-06 Silicon Light Machines Method, system, and display apparatus for encrypted cinema
US7185362B2 (en) * 2001-08-20 2007-02-27 Qualcomm, Incorporated Method and apparatus for security in a data processing system
US6785001B2 (en) 2001-08-21 2004-08-31 Silicon Light Machines, Inc. Method and apparatus for measuring wavelength jitter of light signal
US6930364B2 (en) 2001-09-13 2005-08-16 Silicon Light Machines Corporation Microelectronic mechanical system and methods
US7352868B2 (en) 2001-10-09 2008-04-01 Philip Hawkes Method and apparatus for security in a data processing system
US7649829B2 (en) 2001-10-12 2010-01-19 Qualcomm Incorporated Method and system for reduction of decoding complexity in a communication system
US6956995B1 (en) 2001-11-09 2005-10-18 Silicon Light Machines Corporation Optical communication arrangement
GB0127400D0 (en) * 2001-11-13 2002-01-09 Pace Micro Tech Plc Improvements to digital apparatus networks
US6839479B2 (en) 2002-05-29 2005-01-04 Silicon Light Machines Corporation Optical switch
US7054515B1 (en) 2002-05-30 2006-05-30 Silicon Light Machines Corporation Diffractive light modulator-based dynamic equalizer with integrated spectral monitor
US6908201B2 (en) 2002-06-28 2005-06-21 Silicon Light Machines Corporation Micro-support structures
US7057795B2 (en) 2002-08-20 2006-06-06 Silicon Light Machines Corporation Micro-structures with individually addressable ribbon pairs
US6928207B1 (en) 2002-12-12 2005-08-09 Silicon Light Machines Corporation Apparatus for selectively blocking WDM channels
US7057819B1 (en) 2002-12-17 2006-06-06 Silicon Light Machines Corporation High contrast tilting ribbon blazed grating
US6987600B1 (en) 2002-12-17 2006-01-17 Silicon Light Machines Corporation Arbitrary phase profile for better equalization in dynamic gain equalizer
US6934070B1 (en) 2002-12-18 2005-08-23 Silicon Light Machines Corporation Chirped optical MEM device
US6927891B1 (en) 2002-12-23 2005-08-09 Silicon Light Machines Corporation Tilt-able grating plane for improved crosstalk in 1×N blaze switches
US7599655B2 (en) 2003-01-02 2009-10-06 Qualcomm Incorporated Method and apparatus for broadcast services in a communication system
US7068372B1 (en) 2003-01-28 2006-06-27 Silicon Light Machines Corporation MEMS interferometer-based reconfigurable optical add-and-drop multiplexor
US7286764B1 (en) 2003-02-03 2007-10-23 Silicon Light Machines Corporation Reconfigurable modulator-based optical add-and-drop multiplexer
US6947613B1 (en) 2003-02-11 2005-09-20 Silicon Light Machines Corporation Wavelength selective switch and equalizer
US6922272B1 (en) 2003-02-14 2005-07-26 Silicon Light Machines Corporation Method and apparatus for leveling thermal stress variations in multi-layer MEMS devices
US7046420B1 (en) 2003-02-28 2006-05-16 Silicon Light Machines Corporation MEM micro-structures and methods of making the same
US7027202B1 (en) 2003-02-28 2006-04-11 Silicon Light Machines Corp Silicon substrate as a light modulator sacrificial layer
US7391973B1 (en) 2003-02-28 2008-06-24 Silicon Light Machines Corporation Two-stage gain equalizer
US6922273B1 (en) 2003-02-28 2005-07-26 Silicon Light Machines Corporation PDL mitigation structure for diffractive MEMS and gratings
US7042611B1 (en) 2003-03-03 2006-05-09 Silicon Light Machines Corporation Pre-deflected bias ribbons
US8098818B2 (en) 2003-07-07 2012-01-17 Qualcomm Incorporated Secure registration for a multicast-broadcast-multimedia system (MBMS)
US8718279B2 (en) 2003-07-08 2014-05-06 Qualcomm Incorporated Apparatus and method for a secure broadcast system
US8724803B2 (en) 2003-09-02 2014-05-13 Qualcomm Incorporated Method and apparatus for providing authenticated challenges for broadcast-multicast communications in a communication system
WO2005071964A1 (en) * 2004-01-27 2005-08-04 Matsushita Electric Industrial Co., Ltd. Television receiver and digital broadcast system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619501A (en) * 1994-04-22 1997-04-08 Thomson Consumer Electronics, Inc. Conditional access filter as for a packet video signal inverse transport system
US5590202A (en) * 1995-01-18 1996-12-31 Zenith Electronics Corporation Countdown system for conditional access module
US6005938A (en) * 1996-12-16 1999-12-21 Scientific-Atlanta, Inc. Preventing replay attacks on digital information distributed by network service providers

Also Published As

Publication number Publication date
WO1999007146A9 (en) 1999-05-20
JP2002506296A (en) 2002-02-26
JP2005245007A (en) 2005-09-08
WO1999007146A8 (en) 1999-04-22
EP1010324A1 (en) 2000-06-21
WO1999007146A1 (en) 1999-02-11

Similar Documents

Publication Publication Date Title
BR9815607A (en) Representation of authorizations for service in a conditional access system
BR9810967A (en) Conditional access system
BR9815610A (en) Verification of program information source in conditional access system
EP1562378A1 (en) Pay broadcasting system with enhanced security against illegal access to a downloaded program in a subscriber terminal
ZA995260B (en) System for broadcasting data signals in a secure manner.
BR0206590A (en) System for distributing content to a subscriber terminal on demand over a communication network, method for distributing content from one or more subscriber cable systems within cable systems, system for distributing first and second content to a subscriber terminal on-demand over a communication network, method using a cryptographic renewal system, and method for distributing pre-encrypted content to subscribers from first and second communication systems
EP0898425A3 (en) Cryptographic method and apparatus for restricting access to transmitted programming content using extended headers
BR9810971A (en) Conditional access device for providing a receiver conditional access to information received at the receiver
YU49340B (en) Mechanism for matching a receiver with a security module
GR3034392T3 (en) Method for providing a secure communication between two devices and application of this method
BR9815606A (en) Authentication of the download information source on a conditional access system
NO952473D0 (en) Procedure for broadcasting programs with conditional access and which allow a gradual access and procedure for gradual access of such programs
ATE310344T1 (en) METHOD FOR INTRODUCING A SERVICE KEY INTO A TERMINAL DEVICE AND DEVICES FOR CARRYING OUT THE METHOD
RU2006103630A (en) METHOD AND DEVICE FOR PROTECTION IN DATA PROCESSING SYSTEM
JP2000092045A (en) Data communication system
BR9810966A (en) Method and apparatus for limiting geographically service in a conditional access system
EP1189439A3 (en) Source authentication of download information in a conditional access system
KR970064233A (en) How messages are handled for conditional conditional access services
EP1193974A3 (en) Representing entitlements to service in a conditional access system
PL375583A1 (en) Conditional access data decrypting system
EP1189438A3 (en) Method and apparatus for geographically limiting service in a conditional access system
FR2833121B1 (en) METHOD FOR DISTRIBUTING ENCRYPTION KEYS FOR ENCRYPTED DIGITAL DATA
JP4120399B2 (en) System and method for tracking signals
WO1999007104B1 (en) Data security in multipoint publish/subscribe communications
Pinder et al. Encryption Devices for Use in a Conditional Access System

Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 5,6,7 E 8A ANUIDADES.

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1910 DE 14/08/2007.