AU2001290207A1 - Transmitting and processing protected content in a conditional access system - Google Patents

Transmitting and processing protected content in a conditional access system

Info

Publication number
AU2001290207A1
AU2001290207A1 AU2001290207A AU9020701A AU2001290207A1 AU 2001290207 A1 AU2001290207 A1 AU 2001290207A1 AU 2001290207 A AU2001290207 A AU 2001290207A AU 9020701 A AU9020701 A AU 9020701A AU 2001290207 A1 AU2001290207 A1 AU 2001290207A1
Authority
AU
Australia
Prior art keywords
transmitting
access system
conditional access
protected content
processing protected
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
AU2001290207A
Inventor
Eric Delaunay
Frederic Dublanchet
Nicolas Gaude
David Leporini
Andre Surcouf
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.)
KCA Licensing SA
Original Assignee
Canal Plus Technologies SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canal Plus Technologies SA filed Critical Canal Plus Technologies SA
Publication of AU2001290207A1 publication Critical patent/AU2001290207A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • 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
    • H04N21/254—Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2541—Rights Management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • 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
    • H04N21/45—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
    • H04N21/4627—Rights management associated to the content
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
AU2001290207A 2000-08-24 2001-08-24 Transmitting and processing protected content in a conditional access system Abandoned AU2001290207A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00402349.5 2000-08-24
EP20000402349 EP1182874A1 (en) 2000-08-24 2000-08-24 Digital content protection system
PCT/IB2001/001845 WO2002017635A2 (en) 2000-08-24 2001-08-24 Transmitting and processing protected content in a conditional access system

Publications (1)

Publication Number Publication Date
AU2001290207A1 true AU2001290207A1 (en) 2002-03-04

Family

ID=8173826

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001290207A Abandoned AU2001290207A1 (en) 2000-08-24 2001-08-24 Transmitting and processing protected content in a conditional access system

Country Status (8)

Country Link
US (1) US7848521B2 (en)
EP (2) EP1182874A1 (en)
JP (1) JP2004507826A (en)
CN (1) CN1245836C (en)
AU (1) AU2001290207A1 (en)
CA (1) CA2420795C (en)
MY (1) MY145515A (en)
WO (1) WO2002017635A2 (en)

Families Citing this family (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7984463B2 (en) * 2002-03-29 2011-07-19 Starz Entertainment, Llc Instant video on demand playback
KR100317303B1 (en) * 2000-01-10 2001-12-22 구자홍 apparatus for synchronizing video indexing between A/V and data at writing and reading of broadcasting program using metadata
US8238725B2 (en) * 2001-08-20 2012-08-07 Broadcom Corporation System and method for providing personal video recording trick modes
EP1419640B1 (en) * 2001-08-24 2014-08-20 Thomson Licensing Local digital network, methods for installing new devices and data broadcast and reception methods in such a network
EP1320006A1 (en) * 2001-12-12 2003-06-18 Canal+ Technologies Société Anonyme Processing data
USRE41546E1 (en) 2001-12-12 2010-08-17 Klimenty Vainstein Method and system for managing security tiers
US7260555B2 (en) * 2001-12-12 2007-08-21 Guardian Data Storage, Llc Method and architecture for providing pervasive security to digital assets
US10033700B2 (en) 2001-12-12 2018-07-24 Intellectual Ventures I Llc Dynamic evaluation of access rights
US7921450B1 (en) 2001-12-12 2011-04-05 Klimenty Vainstein Security system using indirect key generation from access rules and methods therefor
US7921288B1 (en) 2001-12-12 2011-04-05 Hildebrand Hal S System and method for providing different levels of key security for controlling access to secured items
US10360545B2 (en) 2001-12-12 2019-07-23 Guardian Data Storage, Llc Method and apparatus for accessing secured electronic data off-line
US7681034B1 (en) 2001-12-12 2010-03-16 Chang-Ping Lee Method and apparatus for securing electronic data
US7565683B1 (en) 2001-12-12 2009-07-21 Weiqing Huang Method and system for implementing changes to security policies in a distributed security system
US8065713B1 (en) 2001-12-12 2011-11-22 Klimenty Vainstein System and method for providing multi-location access management to secured items
FR2833446B1 (en) * 2001-12-12 2004-04-09 Viaccess Sa PROTOCOL FOR CONTROLLING THE MODE OF ACCESSING DATA TRANSMITTED IN POINT TO POINT OR POINT MULTI-POINT MODE
US7783765B2 (en) 2001-12-12 2010-08-24 Hildebrand Hal S System and method for providing distributed access control to secured documents
US7380120B1 (en) 2001-12-12 2008-05-27 Guardian Data Storage, Llc Secured data format for access control
US8006280B1 (en) 2001-12-12 2011-08-23 Hildebrand Hal S Security system for generating keys from access rules in a decentralized manner and methods therefor
US7921284B1 (en) 2001-12-12 2011-04-05 Gary Mark Kinghorn Method and system for protecting electronic data in enterprise environment
US7178033B1 (en) 2001-12-12 2007-02-13 Pss Systems, Inc. Method and apparatus for securing digital assets
US7930756B1 (en) 2001-12-12 2011-04-19 Crocker Steven Toye Multi-level cryptographic transformations for securing digital assets
US7950066B1 (en) 2001-12-21 2011-05-24 Guardian Data Storage, Llc Method and system for restricting use of a clipboard application
ES2200671B1 (en) * 2002-02-06 2005-05-16 Semiconductores, Investigacion Y Diseño, S.A. (S.I.D.Sa) CONDITIONAL ACCESS SYSTEM FOR DIGITAL TELEVISION CONTENTS BASED ON PREPAID PROCEDURES AND ORGANIZATION IN THE BANDWIDTH DIFFERENT OF CONTENTS.
US8176334B2 (en) 2002-09-30 2012-05-08 Guardian Data Storage, Llc Document security system that permits external users to gain access to secured files
US8082588B2 (en) * 2002-03-15 2011-12-20 Nagravision S.A. Secured storage method of encrypted data on a personal digital recorder
WO2003079687A1 (en) 2002-03-19 2003-09-25 Koninklijke Philips Electronics N.V. Conditional access control
WO2003081914A1 (en) * 2002-03-22 2003-10-02 Koninklijke Philips Electronics N.V. Downloading of software programs
US7356147B2 (en) * 2002-04-18 2008-04-08 International Business Machines Corporation Method, system and program product for attaching a title key to encrypted content for synchronized transmission to a recipient
US8613102B2 (en) 2004-03-30 2013-12-17 Intellectual Ventures I Llc Method and system for providing document retention using cryptography
US8312504B2 (en) * 2002-05-03 2012-11-13 Time Warner Cable LLC Program storage, retrieval and management based on segmentation messages
US8443383B2 (en) 2002-05-03 2013-05-14 Time Warner Cable Enterprises Llc Use of messages in program signal streams by set-top terminals
EP1361759A1 (en) * 2002-05-10 2003-11-12 Canal+ Technologies Société Anonyme System and method of providing media content
FR2839595B1 (en) * 2002-05-13 2004-09-03 Orange France Sa SYSTEM AND METHOD FOR MANAGING ACCESS TO PROTECTED DIGITAL CONTENT TRANSMITTED TO A MOBILE TERMINAL
JP3708905B2 (en) * 2002-05-31 2005-10-19 株式会社東芝 Broadcast receiver, broadcast reception system, and information distribution method
FR2841080A1 (en) * 2002-06-14 2003-12-19 Thomson Licensing Sa VIDEO VIEWING METHOD USING A DECODER
EP1516447B1 (en) * 2002-06-27 2006-01-25 Nagravision SA Method for validating the broadcasting conditions of content from a third party
FR2842980A1 (en) * 2002-07-24 2004-01-30 Thomson Licensing Sa METHOD FOR DISTRIBUTING ENCRYPTED PORTIONS OF AN AUDIOVISUAL PROGRAM
EP1398966A1 (en) * 2002-09-05 2004-03-17 Irdeto Access B.V. Transaction system
US7512810B1 (en) 2002-09-11 2009-03-31 Guardian Data Storage Llc Method and system for protecting encrypted files transmitted over a network
ES2319183T3 (en) * 2002-09-27 2009-05-05 Nagravision Sa SYSTEM OF DESCIFRADO OF CONDITIONAL ACCESS DATA.
RU2005115106A (en) * 2002-10-18 2005-10-10 Конинклейке Филипс Электроникс Н.В. (Nl) METHOD, SYSTEM, DEVICE, SIGNAL AND SOFTWARE FOR METADATA PROTECTION IN TV-ANYTIME
US7836310B1 (en) 2002-11-01 2010-11-16 Yevgeniy Gutnik Security system that uses indirect password-based encryption
US7224310B2 (en) * 2002-11-20 2007-05-29 Nagravision S.A. Method and device for the recognition of the origin of encrypted data broadcasting
FR2849247B1 (en) * 2002-12-18 2005-10-07 Oberthur Card Syst Sa OPTIMIZED DEVICE FOR COMMUNICATING DIGITAL DATA IN A MICROCIRCUIT CARD
US7890990B1 (en) 2002-12-20 2011-02-15 Klimenty Vainstein Security system with staging capabilities
JP2004214976A (en) * 2002-12-27 2004-07-29 Sharp Corp Av data transmitting apparatus, av data receiving apparatus, av data wireless communication system, and electronic apparatus
JP2004214971A (en) * 2002-12-27 2004-07-29 Sharp Corp Av data transmitter, av data receiver, and av data radio communication system
CN100442839C (en) * 2003-05-09 2008-12-10 华为技术有限公司 Information transmitting method and apparatus for interactive digital broadcast television system
US8707034B1 (en) 2003-05-30 2014-04-22 Intellectual Ventures I Llc Method and system for using remote headers to secure electronic files
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
US7730543B1 (en) 2003-06-30 2010-06-01 Satyajit Nath Method and system for enabling users of a group shared across multiple file security systems to access secured files
ES2350163T3 (en) * 2003-07-02 2011-01-19 Koninklijke Philips Electronics N.V. UNION OF INTERACTIVE TELEVISION RECORDINGS TO APPLICATIONS.
JP2005085162A (en) * 2003-09-10 2005-03-31 Sega Corp Settlement system for game machine and information storage medium for use in the same
US8127366B2 (en) 2003-09-30 2012-02-28 Guardian Data Storage, Llc Method and apparatus for transitioning between states of security policies used to secure electronic documents
US7703140B2 (en) 2003-09-30 2010-04-20 Guardian Data Storage, Llc Method and system for securing digital assets using process-driven security policies
JP2005149129A (en) * 2003-11-14 2005-06-09 Sony Corp Method for managing license, information processor and method, and program
EP1545130A1 (en) * 2003-12-16 2005-06-22 Nagravision S.A. Process for updating access rights to conditional access data
US7813000B2 (en) * 2003-12-30 2010-10-12 Microsoft Corporation Device color characterization profile format
EP1555592A3 (en) * 2004-01-13 2014-05-07 Yamaha Corporation Contents data management apparatus
FR2865592A1 (en) * 2004-01-28 2005-07-29 Noel Vogt Encrypted television signals broadcasting method, involves executing validity checks of decoders and remote control center, where center transmits authorization data for decrypting encrypted signal when validity checks are positive
US9998802B2 (en) * 2004-06-07 2018-06-12 Sling Media LLC Systems and methods for creating variable length clips from a media stream
US7707427B1 (en) 2004-07-19 2010-04-27 Michael Frederick Kenrich Multi-level file digests
US7433473B2 (en) * 2004-09-10 2008-10-07 Nagracard S.A. Data transmission method between a broadcasting center and a multimedia unit
EP1662788A1 (en) * 2004-11-24 2006-05-31 Nagravision SA Method and system for access control of audio/video data
US7818350B2 (en) 2005-02-28 2010-10-19 Yahoo! Inc. System and method for creating a collaborative playlist
US7716248B2 (en) * 2005-05-18 2010-05-11 Yume Inc. Method and system to enable dynamic modification of metadata in content
US20070050298A1 (en) * 2005-08-30 2007-03-01 Amdocs Software Systems Limited Pay-per-view payment system and method
US8874477B2 (en) 2005-10-04 2014-10-28 Steven Mark Hoffberg Multifactorial optimization system and method
US7844820B2 (en) * 2005-10-10 2010-11-30 Yahoo! Inc. Set of metadata for association with a composite media item and tool for creating such set of metadata
US8306918B2 (en) * 2005-10-11 2012-11-06 Apple Inc. Use of media storage structure with multiple pieces of content in a content-distribution system
BRPI0618897A2 (en) * 2005-11-29 2011-09-13 Thomson Licensing method and apparatus for protecting digital content
FR2894757B1 (en) * 2005-12-13 2008-05-09 Viaccess Sa METHOD FOR CONTROLLING ACCESS TO A RUBBER CONTENT
FR2897736B1 (en) * 2006-02-22 2008-04-11 Viaccess Sa METHOD FOR ESTABLISHING A CRYPTOGRAPHIC KEY, NET HEAD AND RECEIVER FOR THIS METHOD, AND METHOD FOR TRANSMITTING SIGNALS
US9338405B2 (en) 2006-05-04 2016-05-10 Cisco Technology, Inc. Scrambled digital data item
US7864354B2 (en) * 2006-06-09 2011-01-04 Kabushiki Kaisha Toshiba System and method for controlled monitoring of pending document processing operations
US9277295B2 (en) 2006-06-16 2016-03-01 Cisco Technology, Inc. Securing media content using interchangeable encryption key
US9137480B2 (en) 2006-06-30 2015-09-15 Cisco Technology, Inc. Secure escrow and recovery of media device content keys
CN101166259B (en) * 2006-10-16 2010-11-10 华为技术有限公司 Mobile phone TV service protection method, system, mobile phone TV server and terminal
US8380841B2 (en) * 2006-12-07 2013-02-19 Microsoft Corporation Strategies for investigating and mitigating vulnerabilities caused by the acquisition of credentials
FR2910671B1 (en) 2006-12-21 2009-04-03 Viaccess Sa METHOD FOR MANAGING THE NUMBER OF VISUALIZATIONS, SECURITY PROCESSOR AND TERMINAL FOR THIS METHOD
US20080294453A1 (en) * 2007-05-24 2008-11-27 La La Media, Inc. Network Based Digital Rights Management System
US8069298B2 (en) * 2007-06-29 2011-11-29 Sandisk Technologies Inc. Method of storing and accessing header data from memory
US20090006796A1 (en) * 2007-06-29 2009-01-01 Sandisk Corporation Media Content Processing System and Non-Volatile Memory That Utilizes A Header Portion of a File
US8108680B2 (en) * 2007-07-23 2012-01-31 Murray Mark R Preventing unauthorized poaching of set top box assets
US8385545B2 (en) * 2007-07-27 2013-02-26 Howard G. Pinder Secure content key distribution using multiple distinct methods
US7949133B2 (en) * 2007-09-26 2011-05-24 Pinder Howard G Controlled cryptoperiod timing to reduce decoder processing load
JP5140888B2 (en) * 2007-11-05 2013-02-13 Ｋｄｄｉ株式会社 Digital data playback device
CN100562098C (en) * 2008-01-03 2009-11-18 济南市泰信电子有限责任公司 Digital television conditional access system and handling process thereof
US8813254B2 (en) * 2008-05-19 2014-08-19 Motorola Mobility Llc Conditional access system switcher
US8204220B2 (en) * 2008-09-18 2012-06-19 Sony Corporation Simulcrypt key sharing with hashed keys
KR101578131B1 (en) * 2008-10-23 2015-12-16 삼성전자주식회사 System apparatus and method for conditional broadcast reception without cablecard
US8588824B2 (en) * 2009-02-26 2013-11-19 Adobe Systems Incorporated Transferring media context information based on proximity to a mobile device
EP2227014B1 (en) * 2009-03-02 2019-10-02 Irdeto B.V. Securely providing secret data from a sender to a receiver
US8026805B1 (en) 2009-04-09 2011-09-27 Adobe Systems Incorporated Media tracker
JP5350890B2 (en) * 2009-06-03 2013-11-27 本田技研工業株式会社 Injection molding equipment
EP2280544A1 (en) * 2009-07-07 2011-02-02 Irdeto Access B.V. Secure transmition and recording of a content
EP2317767A1 (en) * 2009-10-27 2011-05-04 Nagravision S.A. Method for accessing services by a user unit
EP2334069A1 (en) * 2009-12-11 2011-06-15 Irdeto Access B.V. Providing control words to a receiver
EP2355502A1 (en) * 2010-02-03 2011-08-10 Irdeto B.V. Preventing the use of modified receiver firmware in receivers of a conditional access system
US8726147B1 (en) * 2010-03-12 2014-05-13 Symantec Corporation Systems and methods for restoring web parts in content management systems
FR2970134B1 (en) * 2010-12-29 2013-01-11 Viaccess Sa METHOD FOR TRANSMITTING AND RECEIVING MULTIMEDIA CONTENT
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
US9462344B1 (en) * 2011-08-19 2016-10-04 Arris Enterprises, Inc. Trickplay control using finite state automata
US20130156196A1 (en) * 2011-12-16 2013-06-20 Fabrice E. Jogand-Coulomb Storage Device and Method for Super-Distribution of Content Protected with a Localized Content Encyrption Key
US9015479B2 (en) 2011-12-16 2015-04-21 Sandisk Technologies Inc. Host device and method for super-distribution of content protected with a localized content encryption key
US8745718B1 (en) * 2012-08-20 2014-06-03 Jericho Systems Corporation Delivery of authentication information to a RESTful service using token validation scheme
EP2747443B1 (en) * 2012-12-20 2019-06-26 Nagravision S.A. Method to enforce processing of management messages by a security module
WO2014144936A1 (en) * 2013-03-15 2014-09-18 Videri Inc. Systems and methods for displaying, distributing, viewing and controlling digital art and imaging
US9158633B2 (en) 2013-12-24 2015-10-13 International Business Machines Corporation File corruption recovery in concurrent data protection
US10380385B1 (en) * 2014-02-04 2019-08-13 Seagate Technology Llc Visual security device
US20160048371A1 (en) * 2014-08-18 2016-02-18 Spatial Digital Systems, Inc. Enveloping via Digital Audio
US20160048701A1 (en) * 2014-08-18 2016-02-18 Spatial Digital Systems, Inc. Enveloping for remote Digital Camera
US10289856B2 (en) * 2014-10-17 2019-05-14 Spatial Digital Systems, Inc. Digital enveloping for digital right management and re-broadcasting
US10264052B2 (en) * 2014-08-18 2019-04-16 Spatial Digital Systems, Inc. Enveloping for device independence
US20160048697A1 (en) * 2014-08-18 2016-02-18 Spatial Digital Systems, Inc. Enveloping and de-enveloping for Digital Photos via Wavefront Muxing
CN109257136A (en) * 2017-07-12 2019-01-22 中国科学院大学 The two-way coding and decoding method of the JPEG2000 arithmetic code of combined signal source channel and safety
CN107506379A (en) * 2017-07-20 2017-12-22 北京影合众新媒体技术服务有限公司 Method based on database row mode construction streaming movie real-time ecological models
CN110190962B (en) * 2019-04-12 2022-04-19 杭州电子科技大学 Anti-leakage file security sharing method
US11838342B1 (en) * 2022-06-27 2023-12-05 Amazon Technologies, Inc. Synergistic queue management
WO2024035279A1 (en) * 2022-08-12 2024-02-15 Общество с ограниченной ответственностью "Цифра" Encrypting and descrambling virtual channel service content

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6292568B1 (en) * 1966-12-16 2001-09-18 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
FR2631193B1 (en) * 1988-05-06 1994-09-16 Europ Rech Electr Lab METHOD FOR SCRAMBLING AND SCALING-UP OF COMPOSITE VIDEO SIGNALS, AND IMPLEMENTING DEVICE
JPH088851A (en) * 1994-06-16 1996-01-12 Toshiba Corp Information distribution system and information distribution method
EP1845527A3 (en) * 1994-07-08 2012-04-25 Sony Corporation Receiving controlled-access broadcast signals
SE504085C2 (en) * 1995-02-01 1996-11-04 Greg Benson Methods and systems for managing data objects in accordance with predetermined conditions for users
FR2732537B1 (en) * 1995-03-31 1997-06-13 Canal Plus Sa METHOD AND INSTALLATION FOR RECORDING ENCRYPTED DIGITAL INFORMATION
US6005938A (en) * 1996-12-16 1999-12-21 Scientific-Atlanta, Inc. Preventing replay attacks on digital information distributed by network service providers
KR0166923B1 (en) * 1995-09-18 1999-03-20 구자홍 Method and apparatus of preventing an illegal watching and copying in a digital broadcasting system
JP3627384B2 (en) * 1996-01-17 2005-03-09 富士ゼロックス株式会社 Information processing apparatus with software protection function and information processing method with software protection function
US6005631A (en) * 1996-03-28 1999-12-21 Scientific-Atlanta, Inc. Methods and apparatus for organizing and searching an electronic programming guide
US5862299A (en) * 1996-06-19 1999-01-19 Sony Corporation Conditional access system for local storage device
JP3887856B2 (en) * 1996-12-13 2007-02-28 株式会社日立製作所 Terminal device
JPH10243374A (en) * 1997-02-27 1998-09-11 Hitachi Ltd System for distributing picture voice information
EP0974229B8 (en) * 1997-03-21 2007-02-14 Nagra Thomson Licensing Broadcast and reception system, and conditional access system therefor
JP3791720B2 (en) * 1997-06-11 2006-06-28 ソニー株式会社 Transmission apparatus and transmission method
AU8823398A (en) * 1997-08-01 1999-02-22 Scientific-Atlanta, Inc. Authorization of services in a conditional access system
DE69809757T2 (en) * 1997-08-01 2003-07-10 Scientific Atlanta DATA ENCRYPTION DEVICE FOR CONDITIONAL ACCESS SYSTEMS
US6073122A (en) 1997-08-15 2000-06-06 Lucent Technologies Inc. Cryptographic method and apparatus for restricting access to transmitted programming content using extended headers
EP0936812A1 (en) * 1998-02-13 1999-08-18 CANAL+ Société Anonyme Method and apparatus for recording of encrypted digital data
EP0936774A1 (en) * 1998-02-13 1999-08-18 CANAL+ Société Anonyme Recording of scrambled digital data
IL123554A (en) 1998-03-04 2003-01-12 Nds Ltd Key delivery in a secure broadcasting system
US6738905B1 (en) * 1998-04-15 2004-05-18 Digital Video Express, L.P. Conditional access via secure logging with simplified key management
JP2002521868A (en) 1998-07-14 2002-07-16 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Method and apparatus for using watermarks and receiver-dependent criteria for copy protection
JO2117B1 (en) * 1998-07-15 2000-05-21 كانال + تيكنولوجيز سوسيته انونيم method and apparatus for secure communication of information between aplurality of digital audiovisual devices
JP3216607B2 (en) * 1998-07-29 2001-10-09 日本電気株式会社 Digital work distribution system and method, digital work reproduction apparatus and method, and recording medium
US6438235B2 (en) * 1998-08-05 2002-08-20 Hewlett-Packard Company Media content protection utilizing public key cryptography
JP2000122539A (en) * 1998-10-16 2000-04-28 Matsushita Electric Ind Co Ltd Book protection system
US6697489B1 (en) * 1999-03-30 2004-02-24 Sony Corporation Method and apparatus for securing control words
US6289455B1 (en) * 1999-09-02 2001-09-11 Crypotography Research, Inc. Method and apparatus for preventing piracy of digital content
US6789188B1 (en) * 2000-02-07 2004-09-07 Koninklijke Philips Electronics N.V. Methods and apparatus for secure content distribution

Also Published As

Publication number Publication date
US20030182579A1 (en) 2003-09-25
CN1245836C (en) 2006-03-15
EP1332621B1 (en) 2016-04-20
CA2420795A1 (en) 2002-02-28
WO2002017635A3 (en) 2003-05-22
CN1526237A (en) 2004-09-01
EP1332621A2 (en) 2003-08-06
MY145515A (en) 2012-02-29
CA2420795C (en) 2013-09-17
JP2004507826A (en) 2004-03-11
US7848521B2 (en) 2010-12-07
WO2002017635A2 (en) 2002-02-28
EP1182874A1 (en) 2002-02-27

Similar Documents

Publication Publication Date Title
AU2001290207A1 (en) Transmitting and processing protected content in a conditional access system
AU3830101A (en) System for facilitating trade processing and trade management
AU2216999A (en) Improved conditional access and content security method
AU2001265910A1 (en) Data processing system and method
AU2002238153A1 (en) Multimedia and computing system
AU2002326995A1 (en) Vertical instruction and data processing in a network processor architecture
AU2001241698A1 (en) Distributed computing document recognition and processing
AU774095C (en) Information processing terminal and content data acquiring system using the same
AU2001261047A1 (en) Secured content delivery system and method
AU2001268432A1 (en) Video processing system
HK1042952A1 (en) An image processing and manipulation system
GB2366011B (en) Data processing system
AU2001241401A1 (en) Financial processing system and method
AU2001272338A1 (en) Distribution device in a data signal processing installation, and data signal processing installation
HK1039240B (en) Information processing system and information processing process
AU2002220935A1 (en) A data processing system
AU2001232794A1 (en) Conditional access and security for video on-demand systems
AUPQ887100A0 (en) Image processing and encoding techniques
AU2001292832A1 (en) Image processing system with enhanced processing and memory management
AU6964401A (en) Data processing system
GB0004976D0 (en) Trade and transport information system
GB0109182D0 (en) Restricting access to data in data processing systems
AU4435601A (en) Video processing and/or recording
AU2002222256A1 (en) Video processing system
AU2002212609A1 (en) A data processing system intended to facilitate confronting an offer and a demand