WO2002069567A3 - Enforcement of rights and conditions for multimedia content - Google Patents

Enforcement of rights and conditions for multimedia content Download PDF

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Publication number
WO2002069567A3
WO2002069567A3 PCT/US2001/050360 US0150360W WO02069567A3 WO 2002069567 A3 WO2002069567 A3 WO 2002069567A3 US 0150360 W US0150360 W US 0150360W WO 02069567 A3 WO02069567 A3 WO 02069567A3
Authority
WO
WIPO (PCT)
Prior art keywords
conditions
another embodiment
program
enforcement
rights
Prior art date
Application number
PCT/US2001/050360
Other languages
French (fr)
Other versions
WO2002069567A2 (en
Inventor
Petr Peterka
Alexander Medvinsky
Paul Moroney
Original Assignee
Gen Instrument Corp
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 Gen Instrument Corp filed Critical Gen Instrument Corp
Priority to JP2002568572A priority Critical patent/JP2004529538A/en
Priority to KR10-2003-7005761A priority patent/KR20030060923A/en
Priority to CA002426159A priority patent/CA2426159A1/en
Priority to EP01273863A priority patent/EP1334583A2/en
Publication of WO2002069567A2 publication Critical patent/WO2002069567A2/en
Publication of WO2002069567A3 publication Critical patent/WO2002069567A3/en

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2347Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
    • H04N21/23473Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption by pre-encrypting
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21Server components or server architectures
    • H04N21/222Secondary servers, e.g. proxy server, cable television Head-end
    • H04N21/2225Local VOD servers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/231Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
    • H04N21/23106Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving caching operations
    • HELECTRICITY
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    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2347Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
    • HELECTRICITY
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    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management 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
    • H04N21/254Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2541Rights Management
    • HELECTRICITY
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    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management 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
    • H04N21/254Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2543Billing, e.g. for subscription services
    • HELECTRICITY
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    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management 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
    • H04N21/266Channel 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
    • H04N21/26606Channel 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]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management 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
    • H04N21/266Channel 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
    • H04N21/26606Channel 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]
    • H04N21/26609Channel 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] using retrofitting techniques, e.g. by re-encrypting the control words used for pre-encryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/414Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4143Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a Personal Computer [PC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44204Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management 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
    • H04N21/462Content 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
    • H04N21/4627Rights management associated to the content
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47211End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting pay-per-view content
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/63Control 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
    • H04N21/633Control signals issued by server directed to the network components or client
    • H04N21/6332Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345Control 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/63Control 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
    • H04N21/637Control signals issued by the client directed to the server or network components
    • H04N21/6377Control signals issued by the client directed to the server or network components directed to server
    • H04N21/63775Control 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/63Control 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
    • H04N21/64Addressing
    • H04N21/6405Multicasting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/65Transmission of management data between client and server
    • H04N21/658Transmission by the client directed to the server
    • H04N21/6587Control parameters, e.g. trick play commands, viewpoint selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835Generation of protective data, e.g. certificates
    • H04N21/8355Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85Assembly of content; Generation of multimedia applications
    • H04N21/854Content authoring
    • H04N21/8549Creating video summaries, e.g. movie trailer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/162Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/165Centralised control of user terminal ; Registering at central
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/167Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309Transmission or handling of upstream communications
    • H04N7/17336Handling of requests in head-ends

Abstract

According to one embodiment of the invention, a free preview of a program can be provided to client computers in a multicasting system. This can allow viewers in the multicasting system to view a first portion of the program before deciding whether to order the program content. According to another embodiment, various distribution methods can be accomplished using encryption keys to distribute program content. According to yet another embodiment, an initial viewing period can be provided to allow negotiation of the encryption keys. According to another embodiment, rules and conditions for providing content in a multicasting environment can be utilized.
PCT/US2001/050360 2000-10-26 2001-10-26 Enforcement of rights and conditions for multimedia content WO2002069567A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2002568572A JP2004529538A (en) 2000-10-26 2001-10-26 Enforcement of content rights and conditions for multimedia content
KR10-2003-7005761A KR20030060923A (en) 2000-10-26 2001-10-26 Enforcement of content rights and conditions for multimedia content
CA002426159A CA2426159A1 (en) 2000-10-26 2001-10-26 Enforcement of content rights and conditions for multimedia content
EP01273863A EP1334583A2 (en) 2000-10-26 2001-10-26 Enforcement of content rights and conditions for multimedia content

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24392500P 2000-10-26 2000-10-26
US60/243,925 2000-10-26

Publications (2)

Publication Number Publication Date
WO2002069567A2 WO2002069567A2 (en) 2002-09-06
WO2002069567A3 true WO2002069567A3 (en) 2003-02-13

Family

ID=22920677

Family Applications (4)

Application Number Title Priority Date Filing Date
PCT/US2001/051362 WO2002063850A2 (en) 2000-10-26 2001-10-26 Ecm and emm distribution for multimedia multicast content
PCT/US2001/051051 WO2002062054A2 (en) 2000-10-26 2001-10-26 Initial viewing period for authorization of multimedia content
PCT/US2001/051649 WO2002096024A2 (en) 2000-10-26 2001-10-26 Initial free preview for multimedia multicast content
PCT/US2001/050360 WO2002069567A2 (en) 2000-10-26 2001-10-26 Enforcement of rights and conditions for multimedia content

Family Applications Before (3)

Application Number Title Priority Date Filing Date
PCT/US2001/051362 WO2002063850A2 (en) 2000-10-26 2001-10-26 Ecm and emm distribution for multimedia multicast content
PCT/US2001/051051 WO2002062054A2 (en) 2000-10-26 2001-10-26 Initial viewing period for authorization of multimedia content
PCT/US2001/051649 WO2002096024A2 (en) 2000-10-26 2001-10-26 Initial free preview for multimedia multicast content

Country Status (10)

Country Link
US (4) US20020174366A1 (en)
EP (4) EP1329072A2 (en)
JP (2) JP2004529538A (en)
KR (4) KR20030094216A (en)
CN (3) CN1483263A (en)
AT (1) ATE319256T1 (en)
CA (4) CA2425159A1 (en)
DE (1) DE60117618T2 (en)
TW (4) TW545052B (en)
WO (4) WO2002063850A2 (en)

Families Citing this family (256)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7730300B2 (en) 1999-03-30 2010-06-01 Sony Corporation Method and apparatus for protecting the transfer of data
US6697489B1 (en) 1999-03-30 2004-02-24 Sony Corporation Method and apparatus for securing control words
US7039614B1 (en) 1999-11-09 2006-05-02 Sony Corporation Method for simulcrypting scrambled data to a plurality of conditional access devices
WO2001047265A1 (en) * 1999-12-22 2001-06-28 Koninklijke Philips Electronics N.V. Conditional access system for controlling the access to a data content
JP2002132614A (en) * 2000-10-18 2002-05-10 Nec Corp Data distributing system
US7058815B2 (en) * 2001-01-22 2006-06-06 Cisco Technology, Inc. Method and system for digitally signing MPEG streams
US7039803B2 (en) * 2001-01-26 2006-05-02 International Business Machines Corporation Method for broadcast encryption and key revocation of stateless receivers
US9520993B2 (en) * 2001-01-26 2016-12-13 International Business Machines Corporation Renewable traitor tracing
JP4420571B2 (en) * 2001-02-22 2010-02-24 ソニー株式会社 Transmission device and method, reception device and method, information transmission / reception system and method, recording medium, and program
KR100406630B1 (en) * 2001-03-13 2003-11-20 엘지전자 주식회사 Method for recording and reproducing a demo data, and medium thereof
KR20020072934A (en) 2001-03-13 2002-09-19 엘지전자 주식회사 Read only optical disc recorded demo data, and method for reproducing them
US6876984B2 (en) * 2001-05-31 2005-04-05 Contentguard Holdings, Inc. Method and apparatus for establishing usage rights for digital content to be created in the future
US8275716B2 (en) 2001-05-31 2012-09-25 Contentguard Holdings, Inc. Method and system for subscription digital rights management
US7895616B2 (en) 2001-06-06 2011-02-22 Sony Corporation Reconstitution of program streams split across multiple packet identifiers
US7139398B2 (en) 2001-06-06 2006-11-21 Sony Corporation Time division partial encryption
US7747853B2 (en) 2001-06-06 2010-06-29 Sony Corporation IP delivery of secure digital content
KR100430158B1 (en) * 2001-06-18 2004-05-04 지은묵 A contents consignment sale system of the internet broadcasting and a method thereof
US8255989B2 (en) * 2001-09-26 2012-08-28 General Instrument Corporation Access control and key management system for streaming media
US20030059053A1 (en) * 2001-09-26 2003-03-27 General Instrument Corporation Motorola, Inc. Key management interface to multiple and simultaneous protocols
US7237108B2 (en) * 2001-09-26 2007-06-26 General Instrument Corporation Encryption of streaming control protocols and their headers
WO2003036857A1 (en) * 2001-10-24 2003-05-01 Nokia Corporation Ciphering as a part of the multicast cencept
US20040255136A1 (en) * 2001-11-12 2004-12-16 Alexey Borisovich Fadyushin Method and device for protecting information against unauthorised use
US7243366B2 (en) * 2001-11-15 2007-07-10 General Instrument Corporation Key management protocol and authentication system for secure internet protocol rights management architecture
US7243230B2 (en) * 2001-11-16 2007-07-10 Microsoft Corporation Transferring application secrets in a trusted operating system environment
US7765567B2 (en) 2002-01-02 2010-07-27 Sony Corporation Content replacement by PID mapping
US7823174B2 (en) 2002-01-02 2010-10-26 Sony Corporation Macro-block based content replacement by PID mapping
AU2003201473A1 (en) * 2002-02-07 2003-09-02 Koninklijke Philips Electronics N.V. Method for distributing a video split up in spatial pieces
US6937872B2 (en) 2002-04-15 2005-08-30 Qualcomm Incorporated Methods and apparatuses for measuring frequencies of basestations in cellular networks using mobile GPS receivers
US7487365B2 (en) * 2002-04-17 2009-02-03 Microsoft Corporation Saving and retrieving data based on symmetric key encryption
US7890771B2 (en) 2002-04-17 2011-02-15 Microsoft Corporation Saving and retrieving data based on public key encryption
KR20040101524A (en) * 2002-04-18 2004-12-02 코닌클리케 필립스 일렉트로닉스 엔.브이. Testing content in a conditional access system
US20050160040A1 (en) * 2002-04-19 2005-07-21 Van Rijnsoever Bartholomeus J. Conditional access system and apparatus
US7356687B2 (en) * 2002-05-21 2008-04-08 General Instrument Corporation Association of security parameters for a collection of related streaming protocols
AU2003233104A1 (en) * 2002-06-12 2003-12-31 Koninklijke Philips Electronics N.V. Conditional access apparatus and method
US20030236975A1 (en) * 2002-06-20 2003-12-25 International Business Machines Corporation System and method for improved electronic security credentials
CN100431359C (en) * 2002-06-21 2008-11-05 汤姆森许可贸易公司 Method and appts. of multimedia content delivery through WLAN coverage area
US7260601B1 (en) 2002-06-28 2007-08-21 Cisco Technology, Inc. Methods and apparatus for transmitting media programs
JP3864867B2 (en) * 2002-07-23 2007-01-10 ソニー株式会社 Information processing apparatus, information processing method, and computer program
JP2004096478A (en) * 2002-08-30 2004-03-25 Fujitsu Ltd Content viewing and listening history service program
US8818896B2 (en) 2002-09-09 2014-08-26 Sony Corporation Selective encryption with coverage encryption
US7627755B2 (en) * 2002-09-13 2009-12-01 Telefonaktiebolaget L M Ericsson (Publ) Secure broadcast/multicast service
US20040205811A1 (en) * 2002-09-23 2004-10-14 Grandy Leslie L. System and method for providing integrated media
US7349921B2 (en) * 2002-09-27 2008-03-25 Walgreen Co. Information distribution system
US7222185B1 (en) * 2002-10-03 2007-05-22 Cisco Technology, Inc. Methods and apparatus for distributing content within a content delivery system
GB2394386A (en) * 2002-10-16 2004-04-21 Nokia Corp Multicast data transfer
US7724907B2 (en) 2002-11-05 2010-05-25 Sony Corporation Mechanism for protecting the transfer of digital content
US8572408B2 (en) 2002-11-05 2013-10-29 Sony Corporation Digital rights management of a digital device
SG111978A1 (en) * 2002-11-20 2005-06-29 Victor Company Of Japan An mpeg-4 live unicast video streaming system in wireless network with end-to-end bitrate-based congestion control
US20040107443A1 (en) * 2002-12-03 2004-06-03 Clancy Paul Andrew Method and apparatus for proxy Pay-Per-View
US8667525B2 (en) 2002-12-13 2014-03-04 Sony Corporation Targeted advertisement selection from a digital stream
US7450722B2 (en) * 2002-12-13 2008-11-11 General Instrument Corporation Subset difference method for multi-cast rekeying
US8645988B2 (en) 2002-12-13 2014-02-04 Sony Corporation Content personalization for digital content
KR100456162B1 (en) * 2002-12-14 2004-11-09 한국전자통신연구원 Method of Key update in DCATV Conditional Access System
US7849016B2 (en) * 2002-12-18 2010-12-07 Vincent So Internet-based data content rental system and method
KR100464336B1 (en) * 2002-12-28 2005-01-03 삼성전자주식회사 Method of Advertising VOD Service for Mobile Terminal
US8010688B2 (en) * 2003-01-15 2011-08-30 Panasonic Corporation Content use management system, content use management method, and client device
EP1439697A1 (en) * 2003-01-20 2004-07-21 Thomson Licensing S.A. Digital broadcast data reception system with digital master terminal ,and at least one digital slave terminal
IL154739A0 (en) * 2003-03-04 2003-10-31 Bamboo Mediacasting Ltd Segmented data delivery over non-reliable link
US7089425B2 (en) * 2003-03-18 2006-08-08 Ci4 Technologies, Inc. Remote access authorization of local content
US8019705B2 (en) * 2003-03-24 2011-09-13 Fiske Software, LLC. Register and active element machines: commands, programs, simulators and translators
US8712942B2 (en) * 2003-03-24 2014-04-29 AEMEA Inc. Active element machine computation
EP1463309A1 (en) * 2003-03-26 2004-09-29 THOMSON Licensing S.A. Data stream format processing for mobile audio/video reception
JP4482380B2 (en) * 2003-06-19 2010-06-16 パナソニック株式会社 Viewing control device, viewing control program, secure module
US7610485B1 (en) * 2003-08-06 2009-10-27 Cisco Technology, Inc. System for providing secure multi-cast broadcasts over a network
IL157886A0 (en) * 2003-09-11 2009-02-11 Bamboo Mediacasting Ltd Secure multicast transmission
IL157885A0 (en) * 2003-09-11 2004-03-28 Bamboo Mediacasting Ltd Iterative forward error correction
US7853980B2 (en) 2003-10-31 2010-12-14 Sony Corporation Bi-directional indices for trick mode video-on-demand
US7568111B2 (en) 2003-11-11 2009-07-28 Nokia Corporation System and method for using DRM to control conditional access to DVB content
JP2005149129A (en) * 2003-11-14 2005-06-09 Sony Corp Method for managing license, information processor and method, and program
FR2862835B1 (en) 2003-11-24 2006-04-14 Medialive SECURED AND CUSTOMIZED DIFFUSION OF AUDIOVISUAL FLOWS BY A UNICAST / MULTICAST HYBRID SYSTEM
US7239705B2 (en) * 2003-12-10 2007-07-03 Motorola Inc. Apparatus and method for broadcast services transmission and reception
US20050129236A1 (en) * 2003-12-15 2005-06-16 Nokia, Inc. Apparatus and method for data source authentication for multicast security
US20050177618A1 (en) * 2003-12-22 2005-08-11 Randy Zimler Methods, systems and storage medium for managing bandwidth of segmented content
US20050138655A1 (en) * 2003-12-22 2005-06-23 Randy Zimler Methods, systems and storage medium for managing digital rights of segmented content
JP2005184640A (en) * 2003-12-22 2005-07-07 Fujitsu Ltd Information distribution device and information distribution method
US7602908B2 (en) * 2003-12-22 2009-10-13 Aol Llc System and method for using a streaming protocol
KR100556829B1 (en) * 2003-12-26 2006-03-10 한국전자통신연구원 Method of Providing Efficient Pay Services Using Session-Key
KR100977042B1 (en) * 2003-12-30 2010-08-19 주식회사 케이티 Apparatus and method multimedia contents license jointing
JP2005198043A (en) * 2004-01-07 2005-07-21 Nec Corp Content distribution system, its method, server, user terminal, encryption apparatus, managing apparatus, and streaming apparatus
JP2007529168A (en) * 2004-01-22 2007-10-18 トムソン ライセンシング Broadcast limited reception system that allows impulse buying in a two-way network
US20050172132A1 (en) 2004-01-30 2005-08-04 Chen Sherman (. Secure key authentication and ladder system
US9461825B2 (en) 2004-01-30 2016-10-04 Broadcom Corporation Method and system for preventing revocation denial of service attacks
US9094699B2 (en) * 2004-02-05 2015-07-28 Broadcom Corporation System and method for security key transmission with strong pairing to destination client
US7464266B2 (en) * 2004-02-13 2008-12-09 Microsoft Corporation Cheap signatures for synchronous broadcast communication
FR2866772B1 (en) * 2004-02-20 2006-04-28 Viaccess Sa METHOD FOR MATCHING A RECEIVER TERMINAL WITH A PLURALITY OF ACCESS CONTROL CARDS
US20050188078A1 (en) * 2004-02-23 2005-08-25 Kotzin Michael D. System and method for managing and associating dynamic containers of a content providing device
FR2868654B1 (en) 2004-04-06 2007-06-22 Medialive METHOD AND SYSTEM FOR SECURE DIFFUSION OF AUDIOVISUAL FLOWS PROTECTED AT A DYNAMIC GROUP OF RECEIVERS
JP3761557B2 (en) * 2004-04-08 2006-03-29 株式会社日立製作所 Key distribution method and system for encrypted communication
US8010783B1 (en) 2004-04-15 2011-08-30 Aol Inc. Service provider invocation
US20050240535A1 (en) * 2004-04-23 2005-10-27 John Grooms Web-based data content distribution system
US7966218B1 (en) * 2004-06-08 2011-06-21 Time Warner, Inc Apparatus, method and system for broadcast content expiration after recorded by a user
KR100608594B1 (en) * 2004-07-01 2006-08-03 삼성전자주식회사 Method for notifying pay information in broadcast receiver and the receiver thereof
US7617501B2 (en) 2004-07-09 2009-11-10 Quest Software, Inc. Apparatus, system, and method for managing policies on a computer having a foreign operating system
US20060031873A1 (en) * 2004-08-09 2006-02-09 Comcast Cable Holdings, Llc System and method for reduced hierarchy key management
WO2006019274A1 (en) 2004-08-19 2006-02-23 Sk Telecom Co., Ltd. Managing method and apparatus for servicing contents provided by content provider
US7620185B2 (en) * 2004-09-15 2009-11-17 Nokia Corporation Preview of payable broadcasts
CA2580380C (en) 2004-09-16 2013-10-15 General Instrument Corporation System and method for providing authorized access to digital content
CN100440966C (en) * 2004-09-23 2008-12-03 华为技术有限公司 Method of realizing group broadcasting video frequency program previewing in broadband cut-in network
ES2392643T3 (en) 2004-10-07 2012-12-12 Ntt Docomo, Inc. Server
WO2006045014A2 (en) * 2004-10-20 2006-04-27 John Kevin Markey Application of asymmetric digital signature scheme to broadcast system
JP2008517396A (en) * 2004-10-22 2008-05-22 エルジー エレクトロニクス インコーポレイティド Server determining method and system having control function
WO2006050009A1 (en) * 2004-10-28 2006-05-11 Macrovision Corporation Content management for high definition television
US7266198B2 (en) * 2004-11-17 2007-09-04 General Instrument Corporation System and method for providing authorized access to digital content
EP1662789A1 (en) * 2004-11-29 2006-05-31 Nagracard S.A. Conditional access method to conditional access data
US7657033B2 (en) * 2004-12-10 2010-02-02 Fiske Software Llc Cryptography related to keys
US7895617B2 (en) 2004-12-15 2011-02-22 Sony Corporation Content substitution editor
US8041190B2 (en) 2004-12-15 2011-10-18 Sony Corporation System and method for the creation, synchronization and delivery of alternate content
KR100811046B1 (en) * 2005-01-14 2008-03-06 엘지전자 주식회사 Method for managing digital rights of broadcast/multicast service
US7721005B2 (en) * 2005-01-19 2010-05-18 Iona Technologies Limited Data bus between middleware layers
US7477740B2 (en) * 2005-01-19 2009-01-13 International Business Machines Corporation Access-controlled encrypted recording system for site, interaction and process monitoring
US20060159068A1 (en) * 2005-01-20 2006-07-20 Nokia Corporation Supporting service requests during media data transfer
GB2422754B (en) * 2005-01-27 2007-04-04 Pccw Hkt Datacom Services Ltd Digital multicast system
US8438297B1 (en) 2005-01-31 2013-05-07 At&T Intellectual Property Ii, L.P. Method and system for supplying media over communication networks
US20060174025A1 (en) * 2005-02-01 2006-08-03 John H. Larue, Jr. System and method for streaming content utilizing client upstream communication bandwidth capacity over a network
ATE478489T1 (en) * 2005-02-14 2010-09-15 Irdeto Access Bv METHOD FOR CONTROLLING COMMUNICATION BETWEEN A HEADEND SYSTEM AND SEVERAL CUSTOMER SYSTEMS
CN1838766B (en) * 2005-03-22 2010-08-25 华为技术有限公司 IP broadband video service words list generating method
US8533750B2 (en) * 2005-03-22 2013-09-10 Huawei Technologies Co., Ltd. Method and access device for generating IP broadband video service bill
US7792293B2 (en) 2005-05-06 2010-09-07 Rovi Solutions Corporation Method and apparatus for modifying a subsequently generated control command in a content control system
CN1881924B (en) * 2005-06-16 2011-05-25 松下电器产业株式会社 Group communication safety distribution media recording and retaking method and device
KR20070001712A (en) * 2005-06-29 2007-01-04 엘지전자 주식회사 Right object, method for issuing the same in digital rights management, and usage control method for contents using the same
GB0514492D0 (en) * 2005-07-14 2005-08-17 Ntnu Technology Transfer As Secure media streaming
EP1760619A1 (en) * 2005-08-19 2007-03-07 STMicroelectronics Ltd. System for restricting data access
CN1863041A (en) 2005-09-28 2006-11-15 华为技术有限公司 Method for implementing network television programme preview
US7748034B2 (en) * 2005-10-12 2010-06-29 Cisco Technology, Inc. Strong anti-replay protection for IP traffic sent point to point or multi-cast to large groups
US8001217B1 (en) 2005-10-13 2011-08-16 Sprint Communications Company L.P. Prediction-based adaptive content broadcasting over a network
US8805775B1 (en) * 2005-10-13 2014-08-12 Sprint Communications Company L.P. Management of requested or pushed content in communications client devices
KR100736080B1 (en) * 2005-10-27 2007-07-06 삼성전자주식회사 Method and apparatus for managing rights of multi-layered multimedia stream by layer
US20070130594A1 (en) * 2005-12-01 2007-06-07 Murray Hidary Method and system for distributing content using podcasting
JP4843449B2 (en) 2005-12-02 2011-12-21 ソニー株式会社 Content transmission / reception playback method and reception playback terminal
FR2894745B1 (en) * 2005-12-13 2008-02-08 Viaccess Sa SECURITY PROCESSOR AND METHODS FOR REGISTERING ACCESS SECTIONS AND CRYPTOGRAPHIC KEYS
US7904949B2 (en) 2005-12-19 2011-03-08 Quest Software, Inc. Apparatus, systems and methods to provide authentication services to a legacy application
CN100525434C (en) * 2005-12-31 2009-08-05 华为技术有限公司 Method for granting power to user in receiving system under digital TV condition
KR100765774B1 (en) 2006-01-03 2007-10-12 삼성전자주식회사 Method and apparatus for managing domain
JP4167688B2 (en) * 2006-01-12 2008-10-15 松下電器産業株式会社 Mobile terminal, encrypted content playback method, and plaintext data generation method used therefor
US8087075B2 (en) 2006-02-13 2011-12-27 Quest Software, Inc. Disconnected credential validation using pre-fetched service tickets
US8011012B2 (en) * 2006-02-17 2011-08-30 Microsoft Corporation Program substitution
EP1827019A1 (en) * 2006-02-23 2007-08-29 Nagravision S.A. Conditional access method to conditional access data
US8185921B2 (en) 2006-02-28 2012-05-22 Sony Corporation Parental control of displayed content using closed captioning
WO2007111391A1 (en) * 2006-03-24 2007-10-04 Ktfreetel Co., Ltd. Method and apparatus for providing idle mode service
CN101047956B (en) * 2006-03-30 2010-10-27 华为技术有限公司 Multimedia broadcast service system and method
US9338405B2 (en) * 2006-05-04 2016-05-10 Cisco Technology, Inc. Scrambled digital data item
KR100812381B1 (en) * 2006-05-12 2008-03-11 주식회사 케이티프리텔 Method and apparatus for supporting free experience of application service
DE102006023775A1 (en) * 2006-05-20 2007-11-22 Bayerische Motoren Werke Ag Data e.g. digital data, transmitting method for e.g. digital rights management system, involves encrypting data packets with user-group-specific group key when user group is changed, where user group is formed by receivers
US8429712B2 (en) 2006-06-08 2013-04-23 Quest Software, Inc. Centralized user authentication system apparatus and method
CN101094057A (en) * 2006-06-20 2007-12-26 国际商业机器公司 Content dividing method, device and system
CN101098445B (en) * 2006-06-30 2010-05-12 株式会社日立制作所 Television program receiving equipment and method for receiving and broadcasting television program
KR101282946B1 (en) * 2006-07-19 2013-08-23 엘지전자 주식회사 Digital rights management method for providing content preview and system thereof
KR101314271B1 (en) * 2006-07-25 2013-10-02 엘지전자 주식회사 Digital rights management method and system thereof
KR101300427B1 (en) * 2006-08-28 2013-08-26 삼성전자주식회사 Method and system for transmitting encryption key message through interaction channel in broadcasting system
US8412947B2 (en) * 2006-10-05 2013-04-02 Ceelox Patents, LLC System and method of secure encryption for electronic data transfer
CN1946173A (en) * 2006-10-10 2007-04-11 华为技术有限公司 IPTV direct broadcast service control method, system and device
DE102006048980B4 (en) * 2006-10-17 2013-04-25 Nokia Siemens Networks Gmbh & Co. Kg Arrangement and method for providing data
US7895332B2 (en) 2006-10-30 2011-02-22 Quest Software, Inc. Identity migration system apparatus and method
US8086710B2 (en) 2006-10-30 2011-12-27 Quest Software, Inc. Identity migration apparatus and method
US8752199B2 (en) 2006-11-10 2014-06-10 Sony Computer Entertainment Inc. Hybrid media distribution with enhanced security
US8739304B2 (en) * 2006-11-10 2014-05-27 Sony Computer Entertainment Inc. Providing content using hybrid media distribution scheme with enhanced security
KR100816561B1 (en) * 2006-11-24 2008-03-25 한국정보보호진흥원 Method for mobile multicast key management using foreign key
FR2910671B1 (en) * 2006-12-21 2009-04-03 Viaccess Sa METHOD FOR MANAGING THE NUMBER OF VISUALIZATIONS, SECURITY PROCESSOR AND TERMINAL FOR THIS METHOD
JP4953801B2 (en) * 2006-12-25 2012-06-13 パナソニック株式会社 Password setting method, video receiving system, program, and recording medium
US8588420B2 (en) * 2007-01-18 2013-11-19 Panasonic Corporation Systems and methods for determining a time delay for sending a key update request
US20080194233A1 (en) * 2007-02-12 2008-08-14 Bridgewater Systems Corp. Systems and methods for context-aware service subscription management
RU2339077C1 (en) * 2007-03-13 2008-11-20 Олег Вениаминович Сахаров Method of operating conditional access system for application in computer networks and system for its realisation
CN100551044C (en) 2007-04-06 2009-10-14 华为技术有限公司 Realize method, equipment and the system of net cast
US8244884B2 (en) * 2007-04-11 2012-08-14 The Directv Group, Inc. Method and apparatus for file sharing between a group of user devices with crucial portions sent via satellite and non-crucial portions sent using a peer-to-peer network
US8417939B2 (en) * 2007-04-11 2013-04-09 The DIRECTV Goup, Inc. Method and apparatus for file sharing between a group of user devices with encryption-decryption information sent via satellite and the content sent separately
US8345869B2 (en) * 2007-04-11 2013-01-01 The Directv Group, Inc. Method and apparatus for file sharing of missing content between a group of user devices in a peer-to-peer network
US7895341B2 (en) * 2007-04-11 2011-02-22 The Directv Group, Inc. Method and apparatus for file sharing between a group of user devices with separately sent crucial portions and non-crucial portions
JP2008271256A (en) * 2007-04-20 2008-11-06 Matsushita Electric Ind Co Ltd Transmission-side device and viewing control system having the same, and viewing control method
US8621093B2 (en) * 2007-05-21 2013-12-31 Google Inc. Non-blocking of head end initiated revocation and delivery of entitlements non-addressable digital media network
US7743116B2 (en) * 2007-05-28 2010-06-22 Apple Inc. Method and user interface for accessing groups of media assets
US20080309816A1 (en) * 2007-06-15 2008-12-18 Macrovision Corporation Television content control system and method with cross-platform capability
KR20090011152A (en) * 2007-07-25 2009-02-02 삼성전자주식회사 Method and system for service contents
US8280057B2 (en) * 2007-09-04 2012-10-02 Honeywell International Inc. Method and apparatus for providing security in wireless communication networks
CN101127878B (en) * 2007-09-13 2013-07-03 深圳市融创天下科技股份有限公司 An encryption and decryption method for video stream media programs
US8036598B1 (en) 2007-09-19 2011-10-11 Sprint Communications Company L.P. Peer-to-peer transfer of files with back-office completion
US7957691B1 (en) * 2007-11-26 2011-06-07 Sprint Communications Company L.P. Distributing content to mobile devices
US20090182999A1 (en) * 2008-01-16 2009-07-16 Scott Krig Method And System For Security Certificate Properties For Protocol Exchange
WO2009100420A2 (en) * 2008-02-07 2009-08-13 Realnetworks, Inc. Selective advertising in media content
WO2009112966A2 (en) * 2008-03-10 2009-09-17 Nds Limited Key distribution system
CN101547108B (en) * 2008-03-28 2011-06-22 华为技术有限公司 Method for switching streaming media service, playing device and server
EP2124439A1 (en) * 2008-05-21 2009-11-25 Nagravision S.A. Method for assigning and managing subscriptions to receive remotely broadcast products
JP2009296554A (en) * 2008-06-09 2009-12-17 Sony Corp Server device, license distributing method and content receiving device
US8595486B2 (en) * 2008-07-15 2013-11-26 Industrial Technology Research Institute Systems and methods for authorization and data transmission for multicast broadcast services
US8848904B2 (en) * 2008-10-24 2014-09-30 University Of Maryland, College Park Method and implementation for information exchange using Markov models
US20100131650A1 (en) * 2008-11-26 2010-05-27 Chou Lan Pok Methods and Apparatus to Support Network Policy Managers
KR101547554B1 (en) * 2008-11-27 2015-08-26 삼성전자주식회사 System and method for providing to digital contents service
US20100178944A1 (en) * 2009-01-15 2010-07-15 Nicolas Philippe Fodor Automatic Email Account Creation
JP2010192944A (en) * 2009-02-13 2010-09-02 Sony Corp Content distribution apparatus, content use apparatus, content distribution system, content distribution method and program
US20100218207A1 (en) * 2009-02-23 2010-08-26 Advanced Micro Devices, Inc. Method and apparatus to detect preview of encrypted content
US9185443B1 (en) * 2009-04-06 2015-11-10 The Directv Group, Inc. Method and system for determining a channel service
US8930278B2 (en) * 2009-04-13 2015-01-06 International Business Machines Corporation Method and system of preserving purchased on-demand transportation entertainment services across different journey segments or separate trips
CN101583083B (en) * 2009-06-01 2011-11-30 中兴通讯股份有限公司 Implementation method of real-time data service and real-time data service system
US8819446B2 (en) 2009-06-26 2014-08-26 International Business Machines Corporation Support for secure objects in a computer system
US9298894B2 (en) 2009-06-26 2016-03-29 International Business Machines Corporation Cache structure for a computer system providing support for secure objects
US9954875B2 (en) 2009-06-26 2018-04-24 International Business Machines Corporation Protecting from unintentional malware download
US8578175B2 (en) 2011-02-23 2013-11-05 International Business Machines Corporation Secure object having protected region, integrity tree, and unprotected region
US8954752B2 (en) 2011-02-23 2015-02-10 International Business Machines Corporation Building and distributing secure object software
US9846789B2 (en) 2011-09-06 2017-12-19 International Business Machines Corporation Protecting application programs from malicious software or malware
US8255984B1 (en) 2009-07-01 2012-08-28 Quest Software, Inc. Single sign-on system for shared resource environments
US8737610B1 (en) * 2009-10-07 2014-05-27 Imdb.Com, Inc. Restricted in situ previews for electronic advertising
KR101115204B1 (en) * 2009-10-14 2012-06-12 주식회사 퓨쳐시스템 Apparatus and method for controlling distributed denial of service
US8150993B2 (en) * 2009-10-29 2012-04-03 At&T Intellectual Property I, Lp Synchronization of clients to maximize multicast opportunities
US9043827B1 (en) * 2009-12-16 2015-05-26 Prime Research Alliance E, Inc. Method and system for providing conditional access to encrypted content
US8769614B1 (en) 2009-12-29 2014-07-01 Akamai Technologies, Inc. Security framework for HTTP streaming architecture
JP5093331B2 (en) * 2010-04-02 2012-12-12 オンキヨー株式会社 Content reproduction apparatus and program thereof
US8713592B2 (en) * 2010-06-29 2014-04-29 Google Inc. Self-service channel marketplace
CN102143133B (en) * 2010-08-05 2013-12-18 华为技术有限公司 Method, device and system for supporting advertisement content in hyper text transport protocol (HTTP) stream playing manner
CN102025520A (en) * 2010-11-26 2011-04-20 中兴通讯股份有限公司 Method for limiting multicast preview of terminal and access equipment
EP2659423A4 (en) * 2010-12-31 2014-09-17 Akamai Tech Inc Extending data confidentiality into a player application
GB2487727A (en) * 2011-01-28 2012-08-08 Sony Europe Ltd Module for extracting decryption seed, generating a key and providing a secure host channel
US10268843B2 (en) 2011-12-06 2019-04-23 AEMEA Inc. Non-deterministic secure active element machine
US9042555B2 (en) * 2011-02-10 2015-05-26 Sony Corporation On-demand download of partial encrypted content for partial super distributed content
EP2487904A1 (en) * 2011-02-10 2012-08-15 Thomson Licensing Method and device for excerpt licensing
EP2566157A1 (en) 2011-09-02 2013-03-06 Nagravision S.A. Method to optimize reception of entitlement management messages in a Pay-TV system
US9864853B2 (en) 2011-02-23 2018-01-09 International Business Machines Corporation Enhanced security mechanism for authentication of users of a system
US9154815B2 (en) * 2011-05-06 2015-10-06 Disney Enterprises, Inc. Method and system for securing multimedia data streamed over a network
US9137104B2 (en) 2011-05-26 2015-09-15 Kaseya Limited Method and apparatus of performing remote management of a managed machine
EP2530944A1 (en) * 2011-05-31 2012-12-05 Alcatel-Lucent España, S.A. Method for authorising
US9646141B2 (en) * 2011-06-22 2017-05-09 Netflix, Inc. Fast start of streaming digital media playback with deferred license retrieval
US8751807B2 (en) * 2011-06-23 2014-06-10 Azuki Systems Inc. Method and system for secure over-the-top live video delivery
US8387084B1 (en) * 2011-09-28 2013-02-26 United Video Properties, Inc. Systems and methods for detecting unauthorized use of a user equipment device
US8811886B2 (en) 2011-10-07 2014-08-19 At&T Intellectual Property I, L.P. Apparatus and method for providing media services subject to viewing restrictions
KR101273142B1 (en) * 2011-10-21 2013-06-17 주식회사 캐스트이즈 Apparatus and Method for Creating List of Files to Stream for Video On-Demand Services Through the Use of a Service Key
US8751800B1 (en) * 2011-12-12 2014-06-10 Google Inc. DRM provider interoperability
US8990566B2 (en) * 2012-02-23 2015-03-24 Tt Government Solutions, Inc. Privacy-preserving publish-subscribe protocol in a cloud-assisted broadcast model
US8806529B2 (en) * 2012-04-06 2014-08-12 Time Warner Cable Enterprises Llc Variability in available levels of quality of encoded content
US11349699B2 (en) * 2012-08-14 2022-05-31 Netflix, Inc. Speculative pre-authorization of encrypted data streams
US20140108616A1 (en) * 2012-10-17 2014-04-17 Dell Products L.P. System and method for entitling digital assets
US10095663B2 (en) 2012-11-14 2018-10-09 Amazon Technologies, Inc. Delivery and display of page previews during page retrieval events
US20140181653A1 (en) * 2012-12-26 2014-06-26 Johannes P. Schmidt Content presentation with enhanced user experience
US20140256420A1 (en) * 2013-03-11 2014-09-11 Microsoft Corporation Univied game preview
DE102013106121A1 (en) * 2013-06-12 2014-12-18 Appbyyou Gmbh Method for encrypting data
EP2869578A1 (en) * 2013-11-01 2015-05-06 Nagravision S.A. Method and apparatus for distributing media licenses within a distribution system of a secure multimedia service
US9223965B2 (en) 2013-12-10 2015-12-29 International Business Machines Corporation Secure generation and management of a virtual card on a mobile device
US9235692B2 (en) 2013-12-13 2016-01-12 International Business Machines Corporation Secure application debugging
CN106170983B (en) 2014-04-27 2019-07-16 Lg 电子株式会社 Broadcast singal sending device, broadcasting signal receiving, the method for sending broadcast singal and the method for receiving broadcast singal
US9922007B1 (en) 2014-05-22 2018-03-20 Amazon Technologies, Inc. Split browser architecture capable of determining whether to combine or split content layers based on the encoding of content within each layer
US11169666B1 (en) 2014-05-22 2021-11-09 Amazon Technologies, Inc. Distributed content browsing system using transferred hardware-independent graphics commands
US10042521B1 (en) 2014-05-22 2018-08-07 Amazon Technologies, Inc. Emulation of control resources for use with converted content pages
US9454515B1 (en) 2014-06-17 2016-09-27 Amazon Technologies, Inc. Content browser system using graphics commands and native text intelligence
US11159837B2 (en) * 2014-08-07 2021-10-26 DISH Technologies L.L.C. Value point-based conditional authorization for a media content receiver device
JP2016063233A (en) * 2014-09-12 2016-04-25 株式会社東芝 Communication control device
US10257176B2 (en) * 2015-03-04 2019-04-09 Ssh Communications Security Oyj Replacing keys in a computer system
EP3353943B1 (en) * 2015-09-21 2019-07-03 Swiss Reinsurance Company Ltd. System and method for secure digital sharing based on an inter-system exchange of a two-tier double encrypted digital information key
CR20190075A (en) 2016-09-15 2019-06-05 Nuts Holdings Llc Encrypted userdata transit and storage
US10754970B2 (en) * 2017-01-27 2020-08-25 International Business Machines Corporation Data masking
US10749692B2 (en) 2017-05-05 2020-08-18 Honeywell International Inc. Automated certificate enrollment for devices in industrial control systems or other systems
US10674189B2 (en) * 2017-06-22 2020-06-02 At&T Intellectual Property I, L.P. Methods, systems, and devices for providing a video trailer for media content during a voice communication session
US10929826B2 (en) * 2017-10-13 2021-02-23 Dish Network L.L.C. Paywall-enabled streaming content onto social platforms from application window
WO2019224241A1 (en) * 2018-05-23 2019-11-28 Koninklijke Kpn N.V. Inserting secondary content in primary content in iptv
US10419786B1 (en) * 2018-07-20 2019-09-17 Fubotv Inc. Systems and methods for securely generating live previews
US11025424B2 (en) * 2019-02-19 2021-06-01 Arris Enterprises Llc Entitlement management message epoch as an external trusted time source
US11520915B2 (en) * 2020-03-26 2022-12-06 Synamedia Limited Secure fast channel change
CA3173624A1 (en) 2020-04-09 2021-10-14 Yoon Ho Auh Nuts: flexible hierarchy object graphs
US20220104010A1 (en) * 2020-09-29 2022-03-31 Qualcomm Incorporated Synchronous content presentation
US11778250B2 (en) * 2022-01-19 2023-10-03 Dish Network Technologies India Private Limited Techniques for reducing streaming start latency

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003384A (en) * 1988-04-01 1991-03-26 Scientific Atlanta, Inc. Set-top interface transactions in an impulse pay per view television system
EP0676897A2 (en) * 1994-04-08 1995-10-11 Mitsubishi Corporation Crypt key system
WO1998043426A1 (en) * 1997-03-21 1998-10-01 Canal+ Societe Anonyme Broadcast and reception system, and conditional access system therefor
WO2000025517A1 (en) * 1998-10-27 2000-05-04 Koninklijke Philips Electronics N.V. Broadcast network with interactive services

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3474496D1 (en) * 1983-06-30 1988-11-10 Indep Broadcasting Authority Encrypted broadcast television system
JPH03214834A (en) * 1990-01-19 1991-09-20 Canon Inc Multi-medium network system
US5790198A (en) * 1990-09-10 1998-08-04 Starsight Telecast, Inc. Television schedule information transmission and utilization system and process
JPH06141004A (en) * 1992-10-27 1994-05-20 Mitsubishi Corp Charging system
US6323894B1 (en) * 1993-03-12 2001-11-27 Telebuyer, Llc Commercial product routing system with video vending capability
US6279029B1 (en) * 1993-10-12 2001-08-21 Intel Corporation Server/client architecture and method for multicasting on a computer network
US6041316A (en) * 1994-07-25 2000-03-21 Lucent Technologies Inc. Method and system for ensuring royalty payments for data delivered over a network
US5594794A (en) * 1994-10-18 1997-01-14 General Instrument Corporation Of Delaware Method and apparatus for free previews of communication network services
US5740246A (en) * 1994-12-13 1998-04-14 Mitsubishi Corporation Crypt key system
US5659615A (en) * 1994-11-14 1997-08-19 Hughes Electronics Secure satellite receive-only local area network with address filter
US5642418A (en) * 1995-02-21 1997-06-24 Bell Atlantic Network Services, Inc. Satellite television system and method
DE69531772D1 (en) * 1995-03-30 2003-10-23 Cons Ric Microelettronica Fuzzy processor architecture
US5758068A (en) * 1995-09-19 1998-05-26 International Business Machines Corporation Method and apparatus for software license management
WO1997030397A1 (en) * 1996-02-16 1997-08-21 Cyber Marketing, Inc. Remote interactive multimedia preview and data collection kiosk system
US5748736A (en) * 1996-06-14 1998-05-05 Mittra; Suvo System and method for secure group communications via multicast or broadcast
US5878135A (en) * 1996-11-27 1999-03-02 Thomson Consumer Electronics, Inc. Decoding system for processing encrypted broadcast, cable or satellite video data
US5790196A (en) * 1997-02-14 1998-08-04 Mitsubishi Electric Information Technology Center America, Inc. Adaptive video coding method
AU8670598A (en) * 1997-08-01 1999-02-22 Scientific-Atlanta, Inc. Verification of the source of program of information in a conditional access system
US6067623A (en) * 1997-11-21 2000-05-23 International Business Machines Corp. System and method for secure web server gateway access using credential transform
US6385596B1 (en) * 1998-02-06 2002-05-07 Liquid Audio, Inc. Secure online music distribution system
US6141753A (en) * 1998-02-10 2000-10-31 Fraunhofer Gesellschaft Secure distribution of digital representations
US6510515B1 (en) * 1998-06-15 2003-01-21 Telefonaktlebolaget Lm Ericsson Broadcast service access control
US6295361B1 (en) * 1998-06-30 2001-09-25 Sun Microsystems, Inc. Method and apparatus for multicast indication of group key change
US6684331B1 (en) * 1999-12-22 2004-01-27 Cisco Technology, Inc. Method and apparatus for distributing and updating group controllers over a wide area network using a tree structure
AU2001271704A1 (en) * 2000-06-29 2002-01-14 Cachestream Corporation Digital rights management

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003384A (en) * 1988-04-01 1991-03-26 Scientific Atlanta, Inc. Set-top interface transactions in an impulse pay per view television system
EP0676897A2 (en) * 1994-04-08 1995-10-11 Mitsubishi Corporation Crypt key system
WO1998043426A1 (en) * 1997-03-21 1998-10-01 Canal+ Societe Anonyme Broadcast and reception system, and conditional access system therefor
WO2000025517A1 (en) * 1998-10-27 2000-05-04 Koninklijke Philips Electronics N.V. Broadcast network with interactive services

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