PL2520042T4 - Sposoby deszyfrowania, przesyłania i odbioru słów kontrolnych, nośnika zapisu i serwer dla tych sposobów - Google Patents

Sposoby deszyfrowania, przesyłania i odbioru słów kontrolnych, nośnika zapisu i serwer dla tych sposobów

Info

Publication number
PL2520042T4
PL2520042T4 PL10795709T PL10795709T PL2520042T4 PL 2520042 T4 PL2520042 T4 PL 2520042T4 PL 10795709 T PL10795709 T PL 10795709T PL 10795709 T PL10795709 T PL 10795709T PL 2520042 T4 PL2520042 T4 PL 2520042T4
Authority
PL
Poland
Prior art keywords
methods
decrypting
server
transmitting
storage medium
Prior art date
Application number
PL10795709T
Other languages
English (en)
Other versions
PL2520042T3 (pl
Inventor
Erwann Magis
Original Assignee
Viaccess
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 Viaccess filed Critical Viaccess
Publication of PL2520042T4 publication Critical patent/PL2520042T4/pl
Publication of PL2520042T3 publication Critical patent/PL2520042T3/pl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
    • 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]
    • H04N21/60—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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/601—Broadcast encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
PL10795709T 2009-12-28 2010-12-20 Sposoby deszyfrowania, przesyłania i odbioru słów kontrolnych, nośnika zapisu i serwer dla tych sposobów PL2520042T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0959612A FR2954875B1 (fr) 2009-12-28 2009-12-28 Procedes de dechiffrement, de transmission et de reception de mots de controle, support d'enregistrement et serveur pour ces procedes
PCT/EP2010/070318 WO2011080150A1 (fr) 2009-12-28 2010-12-20 Procedes de dechiffrement, de transmission et de reception de mots de controle, support d'enregistrement et serveur pour ces procedes
EP10795709.4A EP2520042B1 (fr) 2009-12-28 2010-12-20 Procédés de déchiffrement, de transmission et de réception de mots de contrôle, support d'enregistrement et serveur pour ces procédés

Publications (2)

Publication Number Publication Date
PL2520042T4 true PL2520042T4 (pl) 2019-02-28
PL2520042T3 PL2520042T3 (pl) 2019-02-28

Family

ID=42313812

Family Applications (1)

Application Number Title Priority Date Filing Date
PL10795709T PL2520042T3 (pl) 2009-12-28 2010-12-20 Sposoby deszyfrowania, przesyłania i odbioru słów kontrolnych, nośnika zapisu i serwer dla tych sposobów

Country Status (8)

Country Link
US (1) US8615650B2 (pl)
EP (1) EP2520042B1 (pl)
CN (1) CN102714593B (pl)
ES (1) ES2703395T3 (pl)
FR (1) FR2954875B1 (pl)
PL (1) PL2520042T3 (pl)
TW (1) TWI523533B (pl)
WO (1) WO2011080150A1 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2978848B1 (fr) * 2011-08-02 2013-08-30 Viaccess Sa Procede de lissage de la charge de travail d'un serveur
EP2587827A1 (en) 2011-10-31 2013-05-01 Nagravision S.A. Method and hybrid multimedia unit for descrambling a digital broadcast transport stream
CN105791954B (zh) * 2014-12-23 2019-02-01 深圳Tcl新技术有限公司 数字电视终端条件接收方法、终端及系统
FR3044442B1 (fr) * 2015-11-27 2018-02-09 Viaccess Procede d’identification de processeurs de securite.
US10061905B2 (en) * 2016-01-26 2018-08-28 Twentieth Century Fox Film Corporation Method and system for conditional access via license of proprietary functionality
CN111510764B (zh) * 2020-04-15 2022-06-17 青岛海信宽带多媒体技术有限公司 一种家庭智能机顶盒的控制显示方法及显示设备
US11595715B2 (en) * 2020-04-28 2023-02-28 Hulu, LLC Recent channels pre-calculation in video delivery

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694860B1 (fr) 1992-08-13 1994-09-30 France Telecom Procédés de diffusion et de réception de programmes de télévision à accès conditionnel à temps de commutation de programmes réduit.
US5719941A (en) * 1996-01-12 1998-02-17 Microsoft Corporation Method for changing passwords on a remote computer
FR2818062B1 (fr) * 2000-12-07 2003-04-11 Thomson Multimedia Sa Methode de transmission securisee de donnees numeriques d'une source vers un recepteur
EP1510066A1 (en) * 2002-05-21 2005-03-02 Koninklijke Philips Electronics N.V. Conditional access system
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
KR100448888B1 (ko) * 2002-11-28 2004-09-18 한국전자통신연구원 디지털 방송 컨텐츠 보호 및 관리를 위한 방송 서버시스템 및 그의 동작 방법
US7379548B2 (en) * 2003-01-31 2008-05-27 Nds Limited Virtual smart card device, method and system
US7900041B2 (en) * 2003-07-22 2011-03-01 Irdeto Canada Corporation Software conditional access system
WO2005020564A1 (en) 2003-08-13 2005-03-03 Thomson Licensing S.A. Pre-processing of descrambling data to reduce channel-change time
EP1575293A1 (en) * 2004-03-11 2005-09-14 Canal+ Technologies Dynamic smart card management
EP1677537A1 (de) * 2004-12-31 2006-07-05 Swisscom Mobile AG Verfahren und Endgerät zum zugangsbeschränkten Empfang von Nutzdaten sowie Fernserver
EP1705915A1 (fr) 2005-03-22 2006-09-27 Nagravision S.A. Procédé de gestion de l'accès à des données à accès conditionnel pour un zapping rapide
US20070124807A1 (en) * 2005-11-29 2007-05-31 Taiwan Semiconductor Manufacturing Co., Ltd. Password update systems and methods
WO2008002312A1 (en) 2006-06-28 2008-01-03 Thomson Licensing Method and apparatus for reducing channel change times
FR2905215B1 (fr) * 2006-08-23 2009-01-09 Viaccess Sa Procede de transmission d'une donnee complementaire a un terminal de reception
EP2078274B1 (en) * 2006-11-02 2015-09-09 NDS Limited Privacy-aware content protection system
CN101272474B (zh) * 2007-03-23 2011-03-09 北京东方广视科技股份有限公司 快速切换频道的方法
US8625792B2 (en) 2008-01-16 2014-01-07 Qualcomm Incorporated Methods and apparatus to reduce channel switching time

Also Published As

Publication number Publication date
TW201123889A (en) 2011-07-01
EP2520042B1 (fr) 2018-09-05
EP2520042A1 (fr) 2012-11-07
US20120290831A1 (en) 2012-11-15
ES2703395T3 (es) 2019-03-08
WO2011080150A1 (fr) 2011-07-07
CN102714593B (zh) 2015-09-30
CN102714593A (zh) 2012-10-03
FR2954875B1 (fr) 2012-01-27
TWI523533B (zh) 2016-02-21
FR2954875A1 (fr) 2011-07-01
US8615650B2 (en) 2013-12-24
PL2520042T3 (pl) 2019-02-28

Similar Documents

Publication Publication Date Title
EP2395752A4 (en) CONTENT RECEIVING DEVICE AND METHOD, CONTENT SENDING DEVICE AND METHOD, PROGRAM, AND STORAGE MEDIUM
PT3188562T (pt) Métodos e aparelhos para enviar e receber informação de controlo
ZA201106914B (en) Recording medium,playback device,recording method,recording medium playback system
EP2419870A4 (en) SYSTEMS, METHODS AND SUPPORTS FOR INVESTIGATION MANAGEMENT
GB201306470D0 (en) Data distribution device, data distribution system, client device, data distribution method, data reception method, program and recording medium
EP2519948A4 (en) SYSTEMS, METHODS AND APPARATUS FOR HYBRID MEMORY
EP2574013A4 (en) SOURCE DEVICE, RECEIVER DEVICE, SYSTEM, PROGRAM, AND RECORDING MEDIUM
EP2608461A4 (en) COMMUNICATION DEVICE, COMMUNICATION SYSTEM, COMMUNICATION METHOD AND RECORDING MEDIUM
EP2469676A4 (en) Demand-prediction device, program, and recording medium
EP2424241A4 (en) METHOD, DEVICE AND SYSTEM FOR TRANSMITTING VIDEO DATA
EP2448206A4 (en) Method, system and device for transmitting video data
EP2417748A4 (en) SYSTEMS, METHODS AND APPARATUS FOR CONTINUOUS TRANSMISSION OF MULTIMEDIA FILES
EP2223458A4 (en) SYSTEM FOR RECEIVING AND TRANSFERRING ENCRYPTED DATA
EP2464060A4 (en) NODE DEVICE, STORAGE MEDIUM AND METHOD FOR TRANSFERRING FRAMES
EP2490126A4 (en) SYSTEM MANAGEMENT DEVICE, SYSTEM MANAGEMENT PROCESS AND PROGRAM MEMORY
EP2581908A4 (en) PLAYING DEVICE, RECORDING MEDIA, PLAY PROCESS, PROGRAM
EP2448192A4 (en) METHOD, DEVICE AND SYSTEM FOR TRANSMITTING USER INTERFACE DATA
EP2597906A4 (en) METHOD, DEVICE AND SYSTEM FOR DATA TRANSMISSION
EP2615781A4 (en) SWITCHING SYSTEM, SWITCHING CONTROL METHOD, AND MEMORY MEDIUM
EP2454718A4 (en) SYSTEMS AND METHODS FOR UNIVERSAL MULTIMEDIA DISTRIBUTION, STORAGE AND READING
EP2299406A4 (en) METHOD, DEVICE AND STORAGE MEDIUM FOR TRACKING MULTIPLE OBJECTS
EP2472695A4 (en) POWER SYSTEM CALIBRATION EQUIPMENT, POWER CONTROL PROGRAM CALLED AND RECORDING MEDIUM
HK1175611A1 (en) Method and device for sending data, method and device for receiving data
EP2487593A4 (en) Operational surveillance device, operational surveillance method and program storage medium
EP2634760A4 (en) Substitution calculation system, calculation apparatus, capability providing apparatus, substitution calculation method, capability providing method, program, and recording medium