ES2745401T3 - Procedimiento y dispositivo para el marcado de agua de un contenido comprimido cifrado mediante, por lo menos, una clave de contenido - Google Patents

Procedimiento y dispositivo para el marcado de agua de un contenido comprimido cifrado mediante, por lo menos, una clave de contenido Download PDF

Info

Publication number
ES2745401T3
ES2745401T3 ES14720130T ES14720130T ES2745401T3 ES 2745401 T3 ES2745401 T3 ES 2745401T3 ES 14720130 T ES14720130 T ES 14720130T ES 14720130 T ES14720130 T ES 14720130T ES 2745401 T3 ES2745401 T3 ES 2745401T3
Authority
ES
Spain
Prior art keywords
content
key
data
descrambler
marking
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.)
Active
Application number
ES14720130T
Other languages
English (en)
Spanish (es)
Inventor
Didier Hunacek
Patrick Servet
Minh Son Tran
Pierre Sarda
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.)
Nagravision SARL
Original Assignee
Nagravision 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 Nagravision SA filed Critical Nagravision SA
Application granted granted Critical
Publication of ES2745401T3 publication Critical patent/ES2745401T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/16—Program or content traceability, e.g. by watermarking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/3232—Robust embedding or watermarking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Technology Law (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Storage Device Security (AREA)
ES14720130T 2013-04-26 2014-04-28 Procedimiento y dispositivo para el marcado de agua de un contenido comprimido cifrado mediante, por lo menos, una clave de contenido Active ES2745401T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13165597.9A EP2797335A1 (en) 2013-04-26 2013-04-26 Method to watermark a compressed content encrypted by at least one content key
PCT/EP2014/058628 WO2014174122A1 (en) 2013-04-26 2014-04-28 Method to watermark a compressed content encrypted by at least one content key

Publications (1)

Publication Number Publication Date
ES2745401T3 true ES2745401T3 (es) 2020-03-02

Family

ID=48226998

Family Applications (1)

Application Number Title Priority Date Filing Date
ES14720130T Active ES2745401T3 (es) 2013-04-26 2014-04-28 Procedimiento y dispositivo para el marcado de agua de un contenido comprimido cifrado mediante, por lo menos, una clave de contenido

Country Status (11)

Country Link
US (2) US9729941B2 (cg-RX-API-DMAC7.html)
EP (2) EP2797335A1 (cg-RX-API-DMAC7.html)
JP (1) JP6438459B2 (cg-RX-API-DMAC7.html)
KR (1) KR20160002844A (cg-RX-API-DMAC7.html)
CN (1) CN105432092B (cg-RX-API-DMAC7.html)
BR (1) BR112015027089B1 (cg-RX-API-DMAC7.html)
CA (1) CA2908404C (cg-RX-API-DMAC7.html)
ES (1) ES2745401T3 (cg-RX-API-DMAC7.html)
MX (1) MX348381B (cg-RX-API-DMAC7.html)
SG (1) SG11201508181SA (cg-RX-API-DMAC7.html)
WO (1) WO2014174122A1 (cg-RX-API-DMAC7.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102230862B1 (ko) * 2014-07-01 2021-03-24 삼성전자 주식회사 영상처리장치 및 그 제어방법
EP3113501A1 (en) 2015-06-29 2017-01-04 Nagravision SA Content protection
US10939163B2 (en) 2015-11-12 2021-03-02 Nagravision S.A. Method for watermarking encrypted digital content, method and device for retrieving a unique identifier from watermarked content and content distribution network
TW201811064A (zh) * 2016-06-10 2018-03-16 瑞士商納格維遜股份有限公司 用於加浮水印於數位內容之使用者單元，用於傳送及用於加浮水印於內容之方法，及用於檢測至少一個浮水印之方法
US10831869B2 (en) * 2018-07-02 2020-11-10 International Business Machines Corporation Method for watermarking through format preserving encryption
KR102265784B1 (ko) * 2019-11-22 2021-06-17 (주)잉카엔트웍스 클라이언트측 포렌식 워터마크 장치, 시스템 및 방법
IT201900023844A1 (it) * 2019-12-12 2021-06-12 Telecom Italia Spa Protezione di contenuti multimediali
US11803620B2 (en) * 2020-05-15 2023-10-31 Synamedia Limited Systems and methods for identifying a content receiving device

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU658014B2 (en) 1991-11-19 1995-03-30 Macrovision Corporation Method and apparatus for scrambling and descrambling of video signals with edge fill
US5530751A (en) 1994-06-30 1996-06-25 Hewlett-Packard Company Embedded hidden identification codes in digital objects
US5574787A (en) 1994-07-25 1996-11-12 Ryan; John O. Apparatus and method for comprehensive copy protection for video platforms and unprotected source material
US5651065A (en) 1995-03-09 1997-07-22 General Instrument Corporation Of Delaware Insertion of supplemental burst into video signals to thwart piracy and/or carry data
US7224819B2 (en) 1995-05-08 2007-05-29 Digimarc Corporation Integrating digital watermarks in multimedia content
US5809139A (en) 1996-09-13 1998-09-15 Vivo Software, Inc. Watermarking method and apparatus for compressed digital video
US7644282B2 (en) * 1998-05-28 2010-01-05 Verance Corporation Pre-processed information embedding system
US6285774B1 (en) 1998-06-08 2001-09-04 Digital Video Express, L.P. System and methodology for tracing to a source of unauthorized copying of prerecorded proprietary material, such as movies
JP4335372B2 (ja) * 1998-09-02 2009-09-30 パナソニック株式会社 データ処理方法，データ処理装置及びデータ記憶媒体
US6363149B1 (en) * 1999-10-01 2002-03-26 Sony Corporation Method and apparatus for accessing stored digital programs
EP1011269B1 (en) * 1998-12-08 2007-02-14 Irdeto Access B.V. System for processing an information signal
JP3480700B2 (ja) * 1999-06-25 2003-12-22 日本ビクター株式会社 電子透かし記録方法及び電子透かし記録装置
JP2001022271A (ja) * 1999-07-06 2001-01-26 Sony Corp データ提供システムおよびその方法と管理装置
EP1120715A4 (en) * 1999-07-06 2005-02-16 Sony Corp SYSTEM, DEVICE AND METHOD PROVIDING DATA
WO2001015162A2 (en) 1999-08-13 2001-03-01 Microsoft Corporation Methods and systems of protecting digital content
KR20010086038A (ko) * 1999-09-17 2001-09-07 이데이 노부유끼 데이터 제공 시스템 및 그 방법
JP2002118736A (ja) * 2000-10-10 2002-04-19 Konica Corp 電子透かし挿入装置および電子透かし抽出装置ならびに電子透かしシステム
JP4714980B2 (ja) 2000-10-17 2011-07-06 ソニー株式会社 コンテンツ受信装置及びコンテンツ受信方法
AU2002214613A1 (en) 2000-11-08 2002-05-21 Digimarc Corporation Content authentication and recovery using digital watermarks
JP3503591B2 (ja) * 2000-11-22 2004-03-08 日本電気株式会社 電子透かし挿入・検出システム及び電子透かし挿入方法並びに電子透かし検出方法
US7266704B2 (en) 2000-12-18 2007-09-04 Digimarc Corporation User-friendly rights management systems and methods
ATE325507T1 (de) * 2001-07-19 2006-06-15 Koninkl Philips Electronics Nv Verarbeitung von einem komprimierten mediensignal
GB2370732B (en) 2001-10-17 2003-12-10 Ericsson Telefon Ab L M Security in communications networks
US7392392B2 (en) * 2001-12-13 2008-06-24 Digimarc Corporation Forensic digital watermarking with variable orientation and protocols
JP2004064582A (ja) * 2002-07-31 2004-02-26 Hitachi Ltd 放送コンテンツ著作権保護システム
US7516491B1 (en) 2002-10-17 2009-04-07 Roger Schlafly License tracking system
US7224310B2 (en) * 2002-11-20 2007-05-29 Nagravision S.A. Method and device for the recognition of the origin of encrypted data broadcasting
US7136709B2 (en) 2003-11-04 2006-11-14 Universal Electronics Inc. Home appliance control system and methods in a networked environment
JP2005318068A (ja) * 2004-04-27 2005-11-10 Kddi Corp コンテンツ認証データの電子透かし埋め込み方式および認証方式
US8781967B2 (en) * 2005-07-07 2014-07-15 Verance Corporation Watermarking in an encrypted domain
US8291226B2 (en) 2006-02-10 2012-10-16 Qualcomm Incorporated Method and apparatus for securely booting from an external storage device
US8601590B2 (en) 2006-04-27 2013-12-03 Panasonic Corporation Content distribution system
US8627482B2 (en) * 2006-07-24 2014-01-07 Thomson Licensing Method, apparatus and system for secure distribution of content
FR2909507B1 (fr) * 2006-12-05 2009-05-22 Medialive Sa Procede et systeme de distribution securisee de donnees audiovisuelles par marquage transactionel
MX2009008876A (es) 2007-02-21 2009-08-28 Koninkl Philips Electronics Nv Sistema de acceso condicional.
EP1968316A1 (en) * 2007-03-06 2008-09-10 Nagravision S.A. Method to control the access to conditional access audio/video content
FR2923126B1 (fr) * 2007-10-30 2009-12-11 Medialive Procede et systeme de distribution securisee de donnees audiovisuelles par marquage transactionnel
FR2932042B1 (fr) 2008-05-30 2010-05-07 Viaccess Sa Procedes et emetteurs par salves d'un contenu multimedia chiffre,support d'enregistrement pour ces procedes.
EP2391125A1 (en) 2010-05-26 2011-11-30 Nagra France Sas Security method for preventing the unauthorized use of multimedia contents
US20120114118A1 (en) 2010-11-05 2012-05-10 Samsung Electronics Co., Ltd. Key rotation in live adaptive streaming
EP2458890B1 (en) 2010-11-29 2019-01-23 Nagravision S.A. Method to trace video content processed by a decoder
EP2671386A4 (en) 2011-02-04 2015-05-20 Jesse Bickmore UNIQUE WATERMARKS FOR DIGITAL MEDIA
BR112013026389B1 (pt) * 2011-04-19 2022-07-05 Nagravision Sa Método e sistema para acessar um fluxo de conteúdo de áudio / vídeo cifrado através de uma rede ip usando um dispositivo de recepção de multimídia

Also Published As

Publication number Publication date
EP2797335A1 (en) 2014-10-29
BR112015027089A2 (pt) 2017-07-25
EP2989805A1 (en) 2016-03-02
CA2908404C (en) 2021-10-12
CN105432092A (zh) 2016-03-23
US9729941B2 (en) 2017-08-08
US10015564B2 (en) 2018-07-03
KR20160002844A (ko) 2016-01-08
JP6438459B2 (ja) 2018-12-12
CA2908404A1 (en) 2014-10-30
BR112015027089B1 (pt) 2023-10-31
WO2014174122A1 (en) 2014-10-30
SG11201508181SA (en) 2015-11-27
US20170339472A1 (en) 2017-11-23
BR112015027089A8 (pt) 2019-12-24
US20160080831A1 (en) 2016-03-17
EP2989805B1 (en) 2019-07-03
CN105432092B (zh) 2018-10-09
MX2015014979A (es) 2016-02-05
JP2016522435A (ja) 2016-07-28
MX348381B (es) 2017-06-09

Similar Documents

Publication Publication Date Title
ES2745401T3 (es) Procedimiento y dispositivo para el marcado de agua de un contenido comprimido cifrado mediante, por lo menos, una clave de contenido
KR102206142B1 (ko) 미디어 콘텐츠를 워터마킹하기 위한 방법 및 그 방법을 구현하기 위한 시스템
US9432709B2 (en) System and method to prevent manipulation of transmitted video data
US9986308B2 (en) Method and device to embed watermark in uncompressed video data
PT2391126T (pt) Método de segurança para impedir a utilização não autorizada de conteúdos multimédia
US9363482B2 (en) Method to enforce watermarking instructions in a receiving device