DE602006010554D1 - Verfahren und einrichtung zur kontrolle des zugangs zu verschlüsselten daten - Google Patents

Verfahren und einrichtung zur kontrolle des zugangs zu verschlüsselten daten

Info

Publication number
DE602006010554D1
DE602006010554D1 DE602006010554T DE602006010554T DE602006010554D1 DE 602006010554 D1 DE602006010554 D1 DE 602006010554D1 DE 602006010554 T DE602006010554 T DE 602006010554T DE 602006010554 T DE602006010554 T DE 602006010554T DE 602006010554 D1 DE602006010554 D1 DE 602006010554D1
Authority
DE
Germany
Prior art keywords
duration
encrypted data
controlling access
control
counter
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
DE602006010554T
Other languages
English (en)
Inventor
Henri Kudelski
Jimmy Cochard
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=35427934&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602006010554(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nagravision SA filed Critical Nagravision SA
Publication of DE602006010554D1 publication Critical patent/DE602006010554D1/de
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]
    • H04N21/40—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
    • H04N21/442—Monitoring 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
    • H04N21/44236—Monitoring of piracy processes or activities
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • 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)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Virology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Storage Device Security (AREA)
  • Communication Control (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)
DE602006010554T 2005-07-07 2006-07-06 Verfahren und einrichtung zur kontrolle des zugangs zu verschlüsselten daten Active DE602006010554D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05106185A EP1742474A1 (de) 2005-07-07 2005-07-07 Verfahren und Vorrichtung zu verschlüsselten Daten mit bedingtem Zugriff
PCT/EP2006/063988 WO2007006735A1 (fr) 2005-07-07 2006-07-06 Methode et dispositif de controle d'acces a des donnees chiffrees

Publications (1)

Publication Number Publication Date
DE602006010554D1 true DE602006010554D1 (de) 2009-12-31

Family

ID=35427934

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006010554T Active DE602006010554D1 (de) 2005-07-07 2006-07-06 Verfahren und einrichtung zur kontrolle des zugangs zu verschlüsselten daten

Country Status (19)

Country Link
US (1) US7908491B2 (de)
EP (2) EP1742474A1 (de)
JP (1) JP2008545307A (de)
KR (1) KR101280640B1 (de)
CN (1) CN101218822B (de)
AT (1) ATE449510T1 (de)
AU (1) AU2006268683B2 (de)
BR (1) BRPI0615532A2 (de)
CA (1) CA2614107C (de)
DE (1) DE602006010554D1 (de)
ES (1) ES2336028T3 (de)
HK (1) HK1111022A1 (de)
IL (1) IL188334A (de)
MX (1) MX2008000004A (de)
PL (1) PL1900211T3 (de)
PT (1) PT1900211E (de)
RU (1) RU2409002C2 (de)
WO (1) WO2007006735A1 (de)
ZA (1) ZA200800078B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL171963A0 (en) * 2005-11-14 2006-04-10 Nds Ltd Secure read-write storage device
EP2161931A1 (de) * 2008-09-09 2010-03-10 Nagravision S.A. Verfahren zur Zuteilung und Verwaltung von Abonnements über den Empfang von über Rundfunk ausgestrahlten Produkten
FR2940691B1 (fr) * 2008-12-31 2011-02-25 Viaccess Sa Procedes de transmission, de reception et d'identification, processeur de securite et support d'enregistrement d'informations pour ces procedes.
EP2357783B1 (de) * 2010-02-16 2013-06-05 STMicroelectronics (Rousset) SAS Verfahren zur Erkennung eines potentiell suspekten Betriebs eines elektronischen Geräts, und entsprechendes elektronisches Gerät
EP2405650A1 (de) 2010-07-09 2012-01-11 Nagravision S.A. Verfahren für die sichere Übermittlung von Nachrichten
FR2963191B1 (fr) * 2010-07-23 2012-12-07 Viaccess Sa Procede de detection d'une utilisation illicite d'un processeur de securite
KR101314417B1 (ko) * 2010-12-24 2013-10-04 한양대학교 에리카산학협력단 보안 칩셋을 이용한 콘텐츠 제공 및 재생 장치, 그리고 콘텐츠 제공 및 재생 방법
US9503785B2 (en) * 2011-06-22 2016-11-22 Nagrastar, Llc Anti-splitter violation conditional key change
US9392319B2 (en) 2013-03-15 2016-07-12 Nagrastar Llc Secure device profiling countermeasures
CN103971046B (zh) * 2014-03-31 2018-10-19 小米科技有限责任公司 一种解密的方法和装置
US9645731B2 (en) 2014-03-31 2017-05-09 Xiaomi Inc. Unlocking method and device using same
US9473463B2 (en) 2014-07-29 2016-10-18 Combined Conditional Access Development & Support, LLC Control word and associated entitlement control message caching and reuse

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69312828T2 (de) * 1992-09-14 1997-11-27 Thomson Multimedia Sa Zugriffsteuerungsverfahren
ID23380A (id) * 1997-03-21 2000-04-20 Canal & Siciete Anonyme Metode dan aparatus untuk mencegah akses yang curang dalam sistem akses bersyarat
TW412909B (en) * 1998-05-07 2000-11-21 Kudelski Sa Mechanism of matching between a receiver and a security module
US20050025312A1 (en) * 2002-01-14 2005-02-03 Rijkaert Albert Maria Arnold Distribution of encrypted information
US7486793B2 (en) * 2002-02-15 2009-02-03 Nagracard S.A. Invoicing management method of a service transmitted per time unit
FR2838587B1 (fr) * 2002-04-12 2004-06-25 Sagem Procede de gestion de droits d'acces a des services de television
EP1439697A1 (de) * 2003-01-20 2004-07-21 Thomson Licensing S.A. Empfangssystem für digitale Rundfunkdaten mit einer digitalen Hauptstation und mindestens einer digitalen Nebenstation
EP1447976B1 (de) * 2003-02-12 2019-06-19 Irdeto B.V. Verfahren zur Steuerung der Entschlüsselung von mehreren Programmströmen, Empfängersystem und trägbares gesichertes Gerät
EP1680887A4 (de) * 2003-10-16 2013-06-26 Maxxian Technology Inc Verfahren und system zum erkennen und verhindern einer unbefugten signalbenutzung in einem inhaltsablieferungsnetzwerk
EP1575293A1 (de) * 2004-03-11 2005-09-14 Canal+ Technologies Dynamische Verwaltung von Chipkarten

Also Published As

Publication number Publication date
ZA200800078B (en) 2009-09-30
US20080209232A1 (en) 2008-08-28
CA2614107C (en) 2013-11-19
BRPI0615532A2 (pt) 2019-05-07
IL188334A0 (en) 2008-04-13
HK1111022A1 (en) 2008-07-25
MX2008000004A (es) 2008-04-17
WO2007006735A1 (fr) 2007-01-18
PT1900211E (pt) 2010-02-24
EP1900211B1 (de) 2009-11-18
JP2008545307A (ja) 2008-12-11
ES2336028T3 (es) 2010-04-07
CA2614107A1 (en) 2007-01-18
US7908491B2 (en) 2011-03-15
IL188334A (en) 2011-10-31
AU2006268683B2 (en) 2010-07-22
ATE449510T1 (de) 2009-12-15
CN101218822B (zh) 2010-11-03
RU2007148552A (ru) 2009-08-20
EP1742474A1 (de) 2007-01-10
CN101218822A (zh) 2008-07-09
KR101280640B1 (ko) 2013-07-01
AU2006268683A1 (en) 2007-01-18
RU2409002C2 (ru) 2011-01-10
KR20080024520A (ko) 2008-03-18
EP1900211A1 (de) 2008-03-19
PL1900211T3 (pl) 2010-04-30

Similar Documents

Publication Publication Date Title
ATE449510T1 (de) Verfahren und einrichtung zur kontrolle des zugangs zu verschlüsselten daten
GB2407238B (en) A system and method for performing blind encryption and decryption
EP1783994A4 (de) System zur veröffentlichung von werbedienst-information und realisierungsverfahren dafür
WO2008036914A3 (en) System and method for cryptographic data management
DE602005005730D1 (de) Steuerverfahren für Informationbereitstellung, Informationwiedergabesystem und Informationbereitstellungsapparat
GB0617242D0 (en) Method for the computer-aided formation of system information medium access control protocol messages, method for the computer-aided ascertainment of system
WO2010022338A3 (en) Method and apparatus for integrating precise time protocol and media access control security in network elements
FI20030745A (fi) Menetelmä ja järjestelmä tiedon salaamiseksi ja tallentamiseksi
ATE410008T1 (de) Dateneinheit-relayeinrichtung und verfahren zu ihrer steuerung
ATE443969T1 (de) Verfahren zur kontrolle des zugangs zu verschlüsselten daten
WO2007001328A3 (en) Information-centric security
GB0600625D0 (en) Time difference information supply system, terminal unit, control method for terminal unit, control program for terminal unit, and recording medium
DE602006006055D1 (de) Verfahren und vorrichtung für erhöhte rfid-übertragungssicherheit
ATE472917T1 (de) Verfahren und system zur detektion von desynchronisierung beim diskontinuierlichen empfang
TW200740244A (en) Method and apparatus for encoding/decoding
EP1704903A4 (de) Nachrichtenausgabevorrichtung, nachrichtensteuerungsverfahren, programm und informationsaufzeichnungsmedium
JP2016503623A5 (de)
ATE504913T1 (de) Steuerung der wiedergabe von audioinformationen
DE60221299D1 (de) System und Verfahren zur selektiven Aktivierung und Deaktivierung des Zugangs zu Software-Anwendungen über ein Netzwerk
WO2007001462A3 (en) Method and apparatus for providing a secure move of a decryption content key
EP1922837B8 (de) Verfahren zum sicheren ver- oder entschlüsseln einer nachricht
AP2005003445A0 (en) Device and method for encrypting and decrypting a block of data.
DE60336564D1 (de) Verfahren und system zur kommunikationsüberwachung
DE60225209D1 (de) Informationsaufzeichnungsgerät, Verfahren zur Korrigierung des Wiedergabeprogrammes und Informationsaufzeichnungsmedium
DE50008547D1 (de) Verfahren und system zur steuerung und zum austausch von daten für multimediale geräte sowie dafür geeignetes gerät

Legal Events

Date Code Title Description
8363 Opposition against the patent