SG11201508181SA - Method to watermark a compressed content encrypted by at least one content key - Google Patents

Method to watermark a compressed content encrypted by at least one content key

Info

Publication number
SG11201508181SA
SG11201508181SA SG11201508181SA SG11201508181SA SG11201508181SA SG 11201508181S A SG11201508181S A SG 11201508181SA SG 11201508181S A SG11201508181S A SG 11201508181SA SG 11201508181S A SG11201508181S A SG 11201508181SA SG 11201508181S A SG11201508181S A SG 11201508181SA
Authority
SG
Singapore
Prior art keywords
content
watermark
encrypted
compressed
key
Prior art date
Application number
SG11201508181SA
Other languages
English (en)
Inventor
Didier Hunacek
Patrick Servet
Minh Son Tran
Pierre Sarda
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
Publication of SG11201508181SA publication Critical patent/SG11201508181SA/en

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)
SG11201508181SA 2013-04-26 2014-04-28 Method to watermark a compressed content encrypted by at least one content key SG11201508181SA (en)

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
SG11201508181SA true SG11201508181SA (en) 2015-11-27

Family

ID=48226998

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201508181SA SG11201508181SA (en) 2013-04-26 2014-04-28 Method to watermark a compressed content encrypted by at least one content key

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)

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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

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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
ES2745401T3 (es) 2020-03-02
CA2908404A1 (en) 2014-10-30
BR112015027089B1 (pt) 2023-10-31
WO2014174122A1 (en) 2014-10-30
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

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