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 sposobówInfo
- 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
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)
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)
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*** |
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)
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 |
KR20040111670A (ko) * | 2002-05-21 | 2004-12-31 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 조건부 액세스 시스템 |
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 |
EP1661391A1 (en) * | 2003-08-13 | 2006-05-31 | Thomson Licensing | 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 |
-
2009
- 2009-12-28 FR FR0959612A patent/FR2954875B1/fr not_active Expired - Fee Related
-
2010
- 2010-12-03 TW TW099142246A patent/TWI523533B/zh not_active IP Right Cessation
- 2010-12-20 EP EP10795709.4A patent/EP2520042B1/fr active Active
- 2010-12-20 PL PL10795709T patent/PL2520042T3/pl unknown
- 2010-12-20 WO PCT/EP2010/070318 patent/WO2011080150A1/fr active Application Filing
- 2010-12-20 US US13/519,661 patent/US8615650B2/en active Active
- 2010-12-20 ES ES10795709T patent/ES2703395T3/es active Active
- 2010-12-20 CN CN201080059627.4A patent/CN102714593B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN102714593A (zh) | 2012-10-03 |
US8615650B2 (en) | 2013-12-24 |
FR2954875B1 (fr) | 2012-01-27 |
EP2520042B1 (fr) | 2018-09-05 |
ES2703395T3 (es) | 2019-03-08 |
CN102714593B (zh) | 2015-09-30 |
US20120290831A1 (en) | 2012-11-15 |
TW201123889A (en) | 2011-07-01 |
TWI523533B (zh) | 2016-02-21 |
WO2011080150A1 (fr) | 2011-07-07 |
FR2954875A1 (fr) | 2011-07-01 |
EP2520042A1 (fr) | 2012-11-07 |
PL2520042T3 (pl) | 2019-02-28 |
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