DE602005016088D1 - Verfahren zum sichern eines von einem austrahler gesendeten verwürfelten inhalts - Google Patents

Verfahren zum sichern eines von einem austrahler gesendeten verwürfelten inhalts

Info

Publication number
DE602005016088D1
DE602005016088D1 DE602005016088T DE602005016088T DE602005016088D1 DE 602005016088 D1 DE602005016088 D1 DE 602005016088D1 DE 602005016088 T DE602005016088 T DE 602005016088T DE 602005016088 T DE602005016088 T DE 602005016088T DE 602005016088 D1 DE602005016088 D1 DE 602005016088D1
Authority
DE
Germany
Prior art keywords
event
sprayer
securing
access conditions
control
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.)
Expired - Fee Related
Application number
DE602005016088T
Other languages
English (en)
Inventor
Rached Ksontini
Henri Kudelski
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34961143&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602005016088(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from EP04100969A external-priority patent/EP1575292A1/de
Priority claimed from EP04102667A external-priority patent/EP1605698A1/de
Application filed by Nagravision SA filed Critical Nagravision SA
Publication of DE602005016088D1 publication Critical patent/DE602005016088D1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H04N21/44—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]
    • H04N21/40—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
    • 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)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Developing Agents For Electrophotography (AREA)
DE602005016088T 2004-03-10 2005-03-01 Verfahren zum sichern eines von einem austrahler gesendeten verwürfelten inhalts Expired - Fee Related DE602005016088D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04100969A EP1575292A1 (de) 2004-03-10 2004-03-10 Verfahren zur Sicherung von übertragenem verschlüsseltem Inhalt
EP04102667A EP1605698A1 (de) 2004-06-11 2004-06-11 Verfahren zur Sicherung eines Fernseh-rundfunkprogramm
PCT/EP2005/050871 WO2005099265A1 (fr) 2004-03-10 2005-03-01 Methode de securisation d’un evenement telediffuse

Publications (1)

Publication Number Publication Date
DE602005016088D1 true DE602005016088D1 (de) 2009-10-01

Family

ID=34961143

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005016088T Expired - Fee Related DE602005016088D1 (de) 2004-03-10 2005-03-01 Verfahren zum sichern eines von einem austrahler gesendeten verwürfelten inhalts

Country Status (6)

Country Link
US (1) US20060023876A1 (de)
EP (1) EP1723791B1 (de)
AT (1) ATE440446T1 (de)
CA (1) CA2557505A1 (de)
DE (1) DE602005016088D1 (de)
WO (1) WO2005099265A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1662788A1 (de) * 2004-11-24 2006-05-31 Nagravision SA Verfahren und Vorrichtung für die Zugangskontrolle von Audio/Video-daten
US8396221B2 (en) 2006-12-21 2013-03-12 Oracle International Corporation Secure broadcasting and multicasting
US7864960B2 (en) * 2007-05-31 2011-01-04 Novell, Inc. Techniques for securing content in an untrusted environment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6157719A (en) * 1995-04-03 2000-12-05 Scientific-Atlanta, Inc. Conditional access system
FR2750554B1 (fr) * 1996-06-28 1998-08-14 Thomson Multimedia Sa Systeme a acces conditionnel et carte a puce permettant un tel acces
WO1998047259A2 (en) * 1997-03-10 1998-10-22 Fielder Guy L File encryption method and system
FR2831737B1 (fr) * 2001-10-29 2003-12-26 France Telecom Procede et systeme de transmission avec controle d'acces de donnees numeriques embrouillees dans un reseau d'echange de donnees
US20040017918A1 (en) * 2002-07-24 2004-01-29 Christophe Nicolas Process for point-to-point secured transmission of data and electronic module for implementing the process

Also Published As

Publication number Publication date
CA2557505A1 (en) 2005-10-20
EP1723791B1 (de) 2009-08-19
EP1723791A1 (de) 2006-11-22
WO2005099265A1 (fr) 2005-10-20
ATE440446T1 (de) 2009-09-15
US20060023876A1 (en) 2006-02-02

Similar Documents

Publication Publication Date Title
WO2008042871A3 (en) Methods and apparatus for securely signing on to a website via a security website
WO2008007305A3 (en) Method and system for obfuscating a gryptographic function
WO2006114684A3 (en) Method and apparatus for group key generation
BRPI0509181A (pt) método e sistema para gerar um domìnio autorizado, meio legìvel por computador, domìnio autorizado, e, estrutura de domìnio autorizado
BRPI0517261A (pt) sistema e método para fornercer um protocolo de autenticação multicredencial
BRPI0412787A (pt) método e sistema para gerar um domìnio autorizado e meio legìvel por computador
TW200601773A (en) System and method for security key transmission with strong pairing to destination client
WO2008036957A3 (en) Reputation, information & communication management
ATE495503T1 (de) Integritätsschutz des inhalts von datenströmen
DE602005012608D1 (de) Verfahren und vorrichtung zum handhaben von einladungen zu einer mehrbenutzer-kommunikationssitzung
TW200700319A (en) Method for purifying hydrogen chloride
WO2009118720A3 (en) Apparatus and methods for hardware-efficient unbiased rounding
SG157375A1 (en) Table splitting for cryptographic processes
DE602007005635D1 (de) Verfahren, system und rechnerprogramm zum sicheren speichern von daten
WO2007121178A3 (en) Methods for creating secret keys based upon one or more shared characteristics and system thereof
TW200703037A (en) Cryptographically secure modular polynomial reduction method and computational hardware for executing the same
BR112014013805A8 (pt) meio legível por computador; método implantado por computador de proteção de um conjunto de participantes; dispositivo de computação; e objeto de transferência de cifra inteligente
WO2008048712A3 (en) Device-independent management of cryptographic information
WO2013130561A3 (en) Method of operating a computing device, computing device and computer program
WO2006128876A3 (en) Software checking
WO2007016273A3 (en) Systems, methods and apparatus of an email client
DE602004012660D1 (de) System und Verfahren für einen nachrichtenorientierten anpassungsfähigen Datentransport
WO2008030991A3 (en) Security methods for preventing access to educational information by third parties
DE602005016088D1 (de) Verfahren zum sichern eines von einem austrahler gesendeten verwürfelten inhalts
WO2006020238A3 (en) Method and system for managing the use of electronic works

Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee