AU2001270985A1 - A on-line system for conditional access and audience control for communication services of the broadcast and multicast kind - Google Patents

A on-line system for conditional access and audience control for communication services of the broadcast and multicast kind

Info

Publication number
AU2001270985A1
AU2001270985A1 AU2001270985A AU7098501A AU2001270985A1 AU 2001270985 A1 AU2001270985 A1 AU 2001270985A1 AU 2001270985 A AU2001270985 A AU 2001270985A AU 7098501 A AU7098501 A AU 7098501A AU 2001270985 A1 AU2001270985 A1 AU 2001270985A1
Authority
AU
Australia
Prior art keywords
broadcast
line system
communication services
conditional access
audience control
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2001270985A
Inventor
Paolo Rinaldi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2001270985A1 publication Critical patent/AU2001270985A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • H04H20/82—Wired systems using signals not modulated onto a carrier
    • 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
    • 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]
    • 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
    • H04N21/45—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
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • 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
    • 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
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4782—Web browsing, e.g. WebTV
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6175—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via Internet
    • 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
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
    • H04N21/63775—Control signals issued by the client directed to the server or network components directed to server for uploading keys, e.g. for a client to communicate its public key to the server
    • 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
    • H04N7/165—Centralised control of user terminal ; Registering at central
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
    • 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
    • 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
    • H04L2209/606—Traitor tracing
    • 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
    • H04L63/0457—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 dynamic encryption, e.g. stream encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
AU2001270985A 2000-06-21 2001-06-15 A on-line system for conditional access and audience control for communication services of the broadcast and multicast kind Abandoned AU2001270985A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITRM200A000333 2000-06-21
IT2000RM000333A IT1316201B1 (en) 2000-06-21 2000-06-21 ON-LINE CONDITIONED ACCESS SYSTEM AND AUDIENCE CONTROL FOR BROADCAST AND MULTICAST COMMUNICATION SERVICES.
PCT/IT2001/000315 WO2001099029A2 (en) 2000-06-21 2001-06-15 On-line system including conditional access and audience control for broadcast and multicast communication services

Publications (1)

Publication Number Publication Date
AU2001270985A1 true AU2001270985A1 (en) 2002-01-02

Family

ID=11454795

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001270985A Abandoned AU2001270985A1 (en) 2000-06-21 2001-06-15 A on-line system for conditional access and audience control for communication services of the broadcast and multicast kind

Country Status (5)

Country Link
US (1) US20030169885A1 (en)
EP (1) EP1292873A2 (en)
AU (1) AU2001270985A1 (en)
IT (1) IT1316201B1 (en)
WO (1) WO2001099029A2 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6839436B1 (en) * 2000-10-16 2005-01-04 Lucent Technologies Inc. Method for providing long-lived broadcast encrypton
US7505593B2 (en) * 2002-12-09 2009-03-17 International Business Machines Corporation Method for tracing traitors and preventing piracy of digital content in a broadcast encryption system
US9520993B2 (en) * 2001-01-26 2016-12-13 International Business Machines Corporation Renewable traitor tracing
EP1418758B1 (en) 2002-10-29 2010-03-31 Volkswagen AG Method and apparatus for exchanging information and computer program thereof and corresponding computer-readable storage medium
US7702904B2 (en) * 2002-11-15 2010-04-20 Nec Corporation Key management system and multicast delivery system using the same
US7050785B2 (en) * 2003-12-08 2006-05-23 Research In Motion Limited Apparatus and method of explicit indication of call from emergency call centre
US20060031873A1 (en) * 2004-08-09 2006-02-09 Comcast Cable Holdings, Llc System and method for reduced hierarchy key management
US7711114B2 (en) * 2005-09-19 2010-05-04 International Business Machines Corporation System and method for assigning sequence keys to a media player to enable flexible traitor tracing
US7630497B2 (en) * 2005-09-19 2009-12-08 International Business Machines Corporation System and method for assigning sequence keys to a media player to enable hybrid traitor tracing
DE102006006633A1 (en) * 2006-02-10 2007-08-16 Sia Syncrosoft Disseminating contents, data blocks for encoding contents involves receiving encoded contents in at least two receivers and decoding them using different data blocks,; encoding of contents is not receiver-specific or receiver group-specific
WO2009079734A1 (en) 2007-12-20 2009-07-02 Bce Inc. Contact-less tag with signature, and applications thereof
US8108928B2 (en) * 2008-06-20 2012-01-31 International Business Machines Corporation Adaptive traitor tracing
US8122501B2 (en) * 2008-06-20 2012-02-21 International Business Machines Corporation Traitor detection for multilevel assignment
US8422684B2 (en) * 2008-08-15 2013-04-16 International Business Machines Corporation Security classes in a media key block
WO2010069033A1 (en) 2008-12-18 2010-06-24 Bce Inc Validation method and system for use in securing nomadic electronic transactions
WO2010069034A1 (en) 2008-12-18 2010-06-24 Bce Inc. Processing of communication device signatures for use in securing nomadic electronic transactions
US8571209B2 (en) 2009-01-19 2013-10-29 International Business Machines Recording keys in a broadcast-encryption-based system
US8893210B2 (en) * 2010-08-20 2014-11-18 Sony Corporation Server load balancing for interactive television
US10469997B2 (en) 2016-02-26 2019-11-05 Microsoft Technology Licensing, Llc Detecting a wireless signal based on context
US10475144B2 (en) 2016-02-26 2019-11-12 Microsoft Technology Licensing, Llc Presenting context-based guidance using electronic signs
US10452835B2 (en) 2016-06-30 2019-10-22 Microsoft Technology Licensing, Llc User-management of third-party user information

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5978482A (en) * 1995-08-21 1999-11-02 International Business Machines Corporation Method and system for protection of digital information
US5638445A (en) * 1995-09-19 1997-06-10 Microsoft Corporation Blind encryption
US5937067A (en) * 1996-11-12 1999-08-10 Scientific-Atlanta, Inc. Apparatus and method for local encryption control of a global transport data stream
JP4053628B2 (en) * 1997-06-13 2008-02-27 インターシア ソフトウェア エルエルシー Digital content management system using digital watermark
DE69809757T2 (en) * 1997-08-01 2003-07-10 Scientific Atlanta DATA ENCRYPTION DEVICE FOR CONDITIONAL ACCESS SYSTEMS
EP1062812B1 (en) * 1998-03-16 2005-05-25 Intertrust Technologies Corp. Streaming media player with continuous control and protection of media content
AU4026999A (en) * 1998-06-04 1999-12-20 Imagictv Inc. Television delivery system
US6957330B1 (en) * 1999-03-01 2005-10-18 Storage Technology Corporation Method and system for secure information handling
EP1109405A1 (en) * 1999-12-16 2001-06-20 CANAL+ Société Anonyme Communication with receiver/decoder

Also Published As

Publication number Publication date
WO2001099029A3 (en) 2002-04-11
ITRM20000333A1 (en) 2001-12-21
US20030169885A1 (en) 2003-09-11
IT1316201B1 (en) 2003-04-03
EP1292873A2 (en) 2003-03-19
WO2001099029A2 (en) 2001-12-27
ITRM20000333A0 (en) 2000-06-21

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