TW200629902A - Management messages transmission method by a management center intended to a plurality of multimedia units - Google Patents
Management messages transmission method by a management center intended to a plurality of multimedia unitsInfo
- Publication number
- TW200629902A TW200629902A TW094135561A TW94135561A TW200629902A TW 200629902 A TW200629902 A TW 200629902A TW 094135561 A TW094135561 A TW 094135561A TW 94135561 A TW94135561 A TW 94135561A TW 200629902 A TW200629902 A TW 200629902A
- Authority
- TW
- Taiwan
- Prior art keywords
- management
- configuration
- security
- transmission method
- messages transmission
- Prior art date
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
- H04N21/41—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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or 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]
- H04N21/20—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
- H04N21/45—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
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Storage Device Security (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04105093A EP1648170A1 (fr) | 2004-10-15 | 2004-10-15 | Méthode de transmission de messages de gestion par un centre de gestion à destination d'une pluralité d'unités multimédia |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200629902A true TW200629902A (en) | 2006-08-16 |
Family
ID=34929709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094135561A TW200629902A (en) | 2004-10-15 | 2005-10-12 | Management messages transmission method by a management center intended to a plurality of multimedia units |
Country Status (7)
Country | Link |
---|---|
US (1) | US20060083371A1 (zh) |
EP (2) | EP1648170A1 (zh) |
KR (1) | KR20070064630A (zh) |
CN (1) | CN101040525B (zh) |
CA (1) | CA2583977A1 (zh) |
TW (1) | TW200629902A (zh) |
WO (1) | WO2006040346A2 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2129116A1 (fr) | 2008-05-29 | 2009-12-02 | Nagravision S.A. | Unité et méthode de traitement sécurisé de données audio/vidéo à accès contrôlé |
US8782417B2 (en) | 2009-12-17 | 2014-07-15 | Nagravision S.A. | Method and processing unit for secure processing of access controlled audio/video data |
EP2337347A1 (en) * | 2009-12-17 | 2011-06-22 | Nagravision S.A. | Method and processing unit for secure processing of access controlled audio/video data |
EP2802152B1 (en) | 2013-05-07 | 2017-07-05 | Nagravision S.A. | Method for secure processing a stream of encrypted digital audio / video data |
US9363075B2 (en) | 2013-10-18 | 2016-06-07 | International Business Machines Corporation | Polymorphic encryption key matrices |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5029207A (en) * | 1990-02-01 | 1991-07-02 | Scientific-Atlanta, Inc. | External security module for a television signal decoder |
US5185797A (en) * | 1991-03-27 | 1993-02-09 | Motorola, Inc. | Encrypted trunked control channel system |
EP0907270B1 (en) * | 1994-02-24 | 2009-04-15 | Comcast Cable Holdings, LLC | Apparatus and method for establishing a cryptographic link between elements of a system |
DE69630012T2 (de) * | 1995-10-31 | 2004-06-03 | Koninklijke Philips Electronics N.V. | Zeitverschobener bedingter zugang |
US7730300B2 (en) * | 1999-03-30 | 2010-06-01 | Sony Corporation | Method and apparatus for protecting the transfer of data |
US6606374B1 (en) * | 1999-06-17 | 2003-08-12 | Convergys Customer Management Group, Inc. | System and method for recording and playing audio descriptions |
US20020114465A1 (en) * | 2000-01-05 | 2002-08-22 | Shen-Orr D. Chaim | Digital content delivery system and method |
US7224806B2 (en) * | 2000-11-13 | 2007-05-29 | Thomson Licensing | Threshold cryptography scheme for conditional access systems |
US7995603B2 (en) * | 2001-05-22 | 2011-08-09 | Nds Limited | Secure digital content delivery system and method over a broadcast network |
MXPA04006249A (es) * | 2002-01-02 | 2004-09-27 | Sony Electronics Inc | Encripcion parcial de paquetes criticos. |
US20040083177A1 (en) * | 2002-10-29 | 2004-04-29 | General Instrument Corporation | Method and apparatus for pre-encrypting VOD material with a changing cryptographic key |
-
2004
- 2004-10-15 EP EP04105093A patent/EP1648170A1/fr not_active Withdrawn
-
2005
- 2005-10-12 US US11/247,224 patent/US20060083371A1/en not_active Abandoned
- 2005-10-12 TW TW094135561A patent/TW200629902A/zh unknown
- 2005-10-13 KR KR1020077008397A patent/KR20070064630A/ko not_active Application Discontinuation
- 2005-10-13 CA CA002583977A patent/CA2583977A1/en not_active Abandoned
- 2005-10-13 WO PCT/EP2005/055249 patent/WO2006040346A2/fr active Application Filing
- 2005-10-13 CN CN2005800350292A patent/CN101040525B/zh active Active
- 2005-10-13 EP EP05810921A patent/EP1803296A2/fr not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
WO2006040346A3 (fr) | 2006-10-19 |
US20060083371A1 (en) | 2006-04-20 |
CN101040525A (zh) | 2007-09-19 |
CA2583977A1 (en) | 2006-04-20 |
WO2006040346A2 (fr) | 2006-04-20 |
CN101040525B (zh) | 2011-10-19 |
EP1803296A2 (fr) | 2007-07-04 |
KR20070064630A (ko) | 2007-06-21 |
EP1648170A1 (fr) | 2006-04-19 |
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