IT1316201B1 - Sistema on-line di accesso condizionato e controllo dell'audienceper servizi di comunicazione di tipo broadcast e multicast. - Google Patents

Sistema on-line di accesso condizionato e controllo dell'audienceper servizi di comunicazione di tipo broadcast e multicast.

Info

Publication number
IT1316201B1
IT1316201B1 IT2000RM000333A ITRM20000333A IT1316201B1 IT 1316201 B1 IT1316201 B1 IT 1316201B1 IT 2000RM000333 A IT2000RM000333 A IT 2000RM000333A IT RM20000333 A ITRM20000333 A IT RM20000333A IT 1316201 B1 IT1316201 B1 IT 1316201B1
Authority
IT
Italy
Prior art keywords
broadcast
access system
communication services
multicast communication
audience control
Prior art date
Application number
IT2000RM000333A
Other languages
English (en)
Inventor
Paolo Rinaldi
Original Assignee
Paolo Rinaldi
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 Paolo Rinaldi filed Critical Paolo Rinaldi
Priority to IT2000RM000333A priority Critical patent/IT1316201B1/it
Publication of ITRM20000333A0 publication Critical patent/ITRM20000333A0/it
Priority to AU2001270985A priority patent/AU2001270985A1/en
Priority to US10/311,767 priority patent/US20030169885A1/en
Priority to PCT/IT2001/000315 priority patent/WO2001099029A2/en
Priority to EP01949874A priority patent/EP1292873A2/en
Publication of ITRM20000333A1 publication Critical patent/ITRM20000333A1/it
Application granted granted Critical
Publication of IT1316201B1 publication Critical patent/IT1316201B1/it

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)
IT2000RM000333A 2000-06-21 2000-06-21 Sistema on-line di accesso condizionato e controllo dell'audienceper servizi di comunicazione di tipo broadcast e multicast. IT1316201B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT2000RM000333A IT1316201B1 (it) 2000-06-21 2000-06-21 Sistema on-line di accesso condizionato e controllo dell'audienceper servizi di comunicazione di tipo broadcast e multicast.
AU2001270985A 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
US10/311,767 US20030169885A1 (en) 2000-06-21 2001-06-15 On-line system for conditional access and audience control for communication services of the broadcast and multicast kind
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
EP01949874A EP1292873A2 (en) 2000-06-21 2001-06-15 On-line system including conditional access and audience control for broadcast and multicast communication services

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000RM000333A IT1316201B1 (it) 2000-06-21 2000-06-21 Sistema on-line di accesso condizionato e controllo dell'audienceper servizi di comunicazione di tipo broadcast e multicast.

Publications (3)

Publication Number Publication Date
ITRM20000333A0 ITRM20000333A0 (it) 2000-06-21
ITRM20000333A1 ITRM20000333A1 (it) 2001-12-21
IT1316201B1 true IT1316201B1 (it) 2003-04-03

Family

ID=11454795

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000RM000333A IT1316201B1 (it) 2000-06-21 2000-06-21 Sistema on-line di accesso condizionato e controllo dell'audienceper servizi di comunicazione di tipo broadcast e multicast.

Country Status (5)

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

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
US9520993B2 (en) * 2001-01-26 2016-12-13 International Business Machines Corporation Renewable traitor tracing
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
EP1418758B1 (de) 2002-10-29 2010-03-31 Volkswagen AG Verfahren und Vorrichtung zum Informationsaustausch sowie entsprechendes Computerprogramm-Erzeugnis und entsprechendes computerlesbares Speichermedium
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 (de) * 2006-02-10 2007-08-16 Sia Syncrosoft Verfahren zur Verbreitung von Contents
WO2009079734A1 (en) * 2007-12-20 2009-07-02 Bce Inc. Contact-less tag with signature, and applications thereof
US8122501B2 (en) * 2008-06-20 2012-02-21 International Business Machines Corporation Traitor detection for multilevel assignment
US8108928B2 (en) * 2008-06-20 2012-01-31 International Business Machines Corporation Adaptive traitor tracing
US8422684B2 (en) * 2008-08-15 2013-04-16 International Business Machines Corporation Security classes in a media key block
US9231928B2 (en) 2008-12-18 2016-01-05 Bce Inc. Validation method and system for use in securing nomadic electronic transactions
CA2729231C (en) 2008-12-18 2019-01-15 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 (ja) * 1997-06-13 2008-02-27 インターシア ソフトウェア エルエルシー 電子透かしを利用するデジタルコンテンツ管理システム
EP1000509B1 (en) * 1997-08-01 2002-11-27 Scientific-Atlanta, Inc. Encryption device for use in a conditional access system
CN100534180C (zh) * 1998-03-16 2009-08-26 联信技术公司 用于连续控制和保护媒体内容的方法和装置
EP1086589A2 (en) * 1998-06-04 2001-03-28 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
WO2001099029A2 (en) 2001-12-27
EP1292873A2 (en) 2003-03-19
AU2001270985A1 (en) 2002-01-02
ITRM20000333A0 (it) 2000-06-21
WO2001099029A3 (en) 2002-04-11
US20030169885A1 (en) 2003-09-11
ITRM20000333A1 (it) 2001-12-21

Similar Documents

Publication Publication Date Title
IT1316201B1 (it) Sistema on-line di accesso condizionato e controllo dell'audienceper servizi di comunicazione di tipo broadcast e multicast.
YU49340B (sh) Mehanizam za usklađivanje prijemnika i sigurnosnog modula
TW342477B (en) A system for embedding authentication information into an image and an image detecting system
CA2342906A1 (en) Method and apparatus for processing variable bit rate information in an information distribution system
ATE439730T1 (de) Mediaübersetzer
BR9707559A (pt) ''sistema de obtencao de informacao baseado em sinal remoto''
GB2379589B (en) Unicast/multicast architecture
DE69727073D1 (de) Fernbedienung mit benutzerprofil für mehrere benutzer
FI943582A (fi) Järjestelmä video-, audio- ja datapalveluja lähettävien eri hallintajärjestelmien kontrolloimiseksi sekä järjestelmässä käytettävä vastaanotin
ATE252296T1 (de) Ton- und bild-daten verteilungsverfahren
ATE375668T1 (de) Off-line breitbandnetzschnittstelle
DK1305926T3 (da) Arrangement til at bekræfte ægtheden af en bruger og autorisere brug af et sikret system
ATE319256T1 (de) Anfängliche betrachtungsperiode für die autorisierung von multimedia-inhalten
ES2121432T3 (es) Mando a distancia destinado a un aparato receptor.
EP1139687A3 (en) Providing location data about a mobile entity
GB0326265D0 (en) Shared secret usage for bootstrapping
WO2003015012A3 (en) Image encoding and identification for mail processing
DE60326825D1 (de) Ltungsmethode für empfänger in einem solchen netzwerk
EP0817413A3 (en) Data sending/receiving system, data broadcasting method and data receiving apparatus for television broadcasting
WO2001033859A8 (en) A method and system for audience participation and selective viewing of various aspects of a public performance or a teaching venue
CA2354866A1 (en) Information delivery system, mobile communication terminal and information delivery method
WO2002084972A3 (en) Accessing distributed proxy configurations
ATE271246T1 (de) Verkehrsleit-, informations- und positionierungssystem (vips)
WO2003058948A3 (en) System for providing time dependent conditional access
MXPA05013763A (es) Metodo, sistema y servicio web para entregar contenido digital a un usuario.