DE602005009151D1 - Verfahren zum sichern von durch einen ausstrahler ausgestrahltem verschlüsseltem inhalt - Google Patents
Verfahren zum sichern von durch einen ausstrahler ausgestrahltem verschlüsseltem inhaltInfo
- Publication number
- DE602005009151D1 DE602005009151D1 DE602005009151T DE602005009151T DE602005009151D1 DE 602005009151 D1 DE602005009151 D1 DE 602005009151D1 DE 602005009151 T DE602005009151 T DE 602005009151T DE 602005009151 T DE602005009151 T DE 602005009151T DE 602005009151 D1 DE602005009151 D1 DE 602005009151D1
- Authority
- DE
- Germany
- Prior art keywords
- effector
- keys
- encrypted contents
- encrypted
- proportional
- 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
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000012636 effector Substances 0.000 title 1
- 238000013475 authorization Methods 0.000 abstract 1
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]
- H04N21/60—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
-
- 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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
-
- 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]
- H04N21/20—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
- H04N21/26613—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 keys in general
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Storage Device Security (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04100969A EP1575292A1 (de) | 2004-03-10 | 2004-03-10 | Verfahren zur Sicherung von übertragenem verschlüsseltem Inhalt |
PCT/EP2005/050867 WO2005099264A1 (fr) | 2004-03-10 | 2005-03-01 | Méthode de sécurisation d'un contenu chiffré transmis par un diffuseur |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602005009151D1 true DE602005009151D1 (de) | 2008-10-02 |
Family
ID=34814392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602005009151T Active DE602005009151D1 (de) | 2004-03-10 | 2005-03-01 | Verfahren zum sichern von durch einen ausstrahler ausgestrahltem verschlüsseltem inhalt |
Country Status (7)
Country | Link |
---|---|
EP (2) | EP1575292A1 (de) |
CN (2) | CN1930882A (de) |
AT (1) | ATE406047T1 (de) |
CA (1) | CA2557502C (de) |
DE (1) | DE602005009151D1 (de) |
ES (1) | ES2313290T3 (de) |
WO (1) | WO2005099264A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2963135B1 (fr) * | 2010-07-22 | 2013-02-08 | Viaccess Sa | Procede de protection d'un contenu |
CN103117000B (zh) * | 2012-08-22 | 2015-05-13 | 北京亚太轩豪科技发展有限公司 | 一种路况监测装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19511298B4 (de) * | 1995-03-28 | 2005-08-18 | Deutsche Telekom Ag | Verfahren zur Erteilung und zum Entzug der Berechtigung zum Empfang von Rundfunksendungen und Decoder |
JP3565715B2 (ja) * | 1998-07-02 | 2004-09-15 | 松下電器産業株式会社 | 放送システムと放送送受信装置 |
DZ3336A1 (fr) * | 2000-04-17 | 2001-10-25 | Nagravision Sa | Systeme et methode de transmission securise de donnees |
FR2823039B1 (fr) * | 2001-03-30 | 2003-08-01 | Canal Plus Technologies | Systeme et procede de transmission d'informations chiffrees a cle chiffree |
-
2004
- 2004-03-10 EP EP04100969A patent/EP1575292A1/de not_active Withdrawn
-
2005
- 2005-03-01 CN CNA2005800075488A patent/CN1930882A/zh active Pending
- 2005-03-01 EP EP05708066A patent/EP1723790B1/de not_active Not-in-force
- 2005-03-01 DE DE602005009151T patent/DE602005009151D1/de active Active
- 2005-03-01 AT AT05708066T patent/ATE406047T1/de not_active IP Right Cessation
- 2005-03-01 CN CNB2005800075308A patent/CN100542270C/zh not_active Expired - Fee Related
- 2005-03-01 CA CA2557502A patent/CA2557502C/en not_active Expired - Fee Related
- 2005-03-01 ES ES05708066T patent/ES2313290T3/es active Active
- 2005-03-01 WO PCT/EP2005/050867 patent/WO2005099264A1/fr active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP1723790B1 (de) | 2008-08-20 |
ATE406047T1 (de) | 2008-09-15 |
CN1930882A (zh) | 2007-03-14 |
ES2313290T3 (es) | 2009-03-01 |
EP1723790A1 (de) | 2006-11-22 |
CA2557502C (en) | 2013-04-30 |
EP1575292A1 (de) | 2005-09-14 |
WO2005099264A1 (fr) | 2005-10-20 |
CA2557502A1 (en) | 2005-10-20 |
CN100542270C (zh) | 2009-09-16 |
CN1930881A (zh) | 2007-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |