GB0207498D0 - Receiver system for distributing encryption control information - Google Patents
Receiver system for distributing encryption control informationInfo
- Publication number
- GB0207498D0 GB0207498D0 GB0207498A GB0207498A GB0207498D0 GB 0207498 D0 GB0207498 D0 GB 0207498D0 GB 0207498 A GB0207498 A GB 0207498A GB 0207498 A GB0207498 A GB 0207498A GB 0207498 D0 GB0207498 D0 GB 0207498D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- control information
- receiver system
- encryption control
- distributing encryption
- distributing
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/065—Network architectures or network communication protocols for network security for supporting key management in a packet data network for group communications
-
- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- 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
-
- 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)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0207498A GB2387090A (en) | 2002-03-28 | 2002-03-28 | A dvb receiver with at least two separate receivers, one of which decrypts encrypted keys which it sends to the others to use them to decrypt programmes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0207498A GB2387090A (en) | 2002-03-28 | 2002-03-28 | A dvb receiver with at least two separate receivers, one of which decrypts encrypted keys which it sends to the others to use them to decrypt programmes |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0207498D0 true GB0207498D0 (en) | 2002-05-08 |
GB2387090A GB2387090A (en) | 2003-10-01 |
Family
ID=9934023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0207498A Withdrawn GB2387090A (en) | 2002-03-28 | 2002-03-28 | A dvb receiver with at least two separate receivers, one of which decrypts encrypted keys which it sends to the others to use them to decrypt programmes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2387090A (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2866767A1 (en) * | 2004-02-23 | 2005-08-26 | Thomson | METHOD OF COMMUNICATION BETWEEN DOMESTIC APPLIANCES AND APPARATUSES IMPLEMENTING THE METHOD |
CN100379287C (en) * | 2005-07-29 | 2008-04-02 | 上海广电通讯网络有限公司 | Wireless distribution association mode of digital TV contents for multiple receiving terminals shared in same account |
US8942618B2 (en) | 2006-06-05 | 2015-01-27 | The Directv Group, Inc. | Method and system for moving and playing content from home-based system to mobile system |
US20070280477A1 (en) * | 2006-06-05 | 2007-12-06 | The Directv Group, Inc. | Method and system for providing conditional access authorizations to a mobile receiving device |
EP2074826A4 (en) * | 2006-10-11 | 2011-11-09 | Nokia Corp | Service discovery in broadcast networks |
US7925216B2 (en) | 2006-11-10 | 2011-04-12 | The Directv Group, Inc. | Mobile receiver solutions for accessing broadband video-on-demand services |
US8107626B2 (en) | 2006-11-22 | 2012-01-31 | The Directv Group, Inc. | Method and system for enabling transfer of content between a storage device and a portable media player device |
US7747703B2 (en) | 2006-11-22 | 2010-06-29 | The Directv Group, Inc. | Method and system for targeted marketing to a portable media player device owner |
US8875206B2 (en) | 2006-11-22 | 2014-10-28 | The Directv Group, Inc. | Method and system for securely providing content to a portable media player device |
US8243923B2 (en) | 2006-12-13 | 2012-08-14 | The Directv Group, Inc. | Method and system for providing a predeactivation warning in a system having a conditional access authorization expiration in a mobile receiving device |
US8175514B2 (en) | 2007-01-22 | 2012-05-08 | The Directv Group, Inc. | Method and apparatus for providing preauthorization for a mobile receiving device to access wireless networks |
CN101034966B (en) * | 2007-04-06 | 2010-05-26 | 华为技术有限公司 | STB and master-slave STB system |
GB2489671A (en) | 2011-03-28 | 2012-10-10 | Sony Corp | Cryptographic key distribution for IPTV |
US9277249B2 (en) | 2012-07-24 | 2016-03-01 | The Directv Group, Inc. | Method and system for providing on-demand and pay-per-view content through a hospitality system |
US9363566B2 (en) | 2014-09-16 | 2016-06-07 | The Directv Group, Inc. | Method and system for prepositioning content and distributing content in a local distribution system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000324465A (en) * | 1999-05-13 | 2000-11-24 | Sony Corp | Pay tv broadcasting reception system, tv receiver and pay tv broadcasting reception method |
US6804357B1 (en) * | 2000-04-28 | 2004-10-12 | Nokia Corporation | Method and system for providing secure subscriber content data |
-
2002
- 2002-03-28 GB GB0207498A patent/GB2387090A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2387090A (en) | 2003-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1678588A4 (en) | System for distributing and vending data | |
AU2003226983A8 (en) | Extra-substrate control system | |
EP1579625A4 (en) | Identity-based encryption system | |
EP1593221A4 (en) | Identity-based encryption system for secure data distribution | |
AU2003298560A8 (en) | Encrypting operating system | |
EP1414183A4 (en) | Encrypted data delivery system | |
GB0203071D0 (en) | Control system | |
GB2397735B (en) | An encryption system | |
GB0207498D0 (en) | Receiver system for distributing encryption control information | |
AU2003220056A8 (en) | Microbial control system | |
GB2378298B (en) | System for locating control units | |
GB0203519D0 (en) | Control system | |
GB0224039D0 (en) | Control system | |
ZA200309756B (en) | Information providing system. | |
GB0206222D0 (en) | Control system | |
EP1403836B8 (en) | Information control unit for navigation system | |
IL164610A0 (en) | Method and system for distributing data | |
EP1513078A4 (en) | Information providing system | |
AU2003296903A8 (en) | Selective encryption for video on demand | |
EP1548680A4 (en) | Operation information providing system | |
GB0316293D0 (en) | Authentication scheme for data transmission systems | |
EP1624671A4 (en) | Recording control system | |
GB0208504D0 (en) | Key control system | |
EP1686727A4 (en) | Data distribution system | |
GB2407399B (en) | Control system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |