FR2961364B1 - Procede et systeme de protection d'informations par un mot de controle - Google Patents
Procede et systeme de protection d'informations par un mot de controleInfo
- Publication number
- FR2961364B1 FR2961364B1 FR1054706A FR1054706A FR2961364B1 FR 2961364 B1 FR2961364 B1 FR 2961364B1 FR 1054706 A FR1054706 A FR 1054706A FR 1054706 A FR1054706 A FR 1054706A FR 2961364 B1 FR2961364 B1 FR 2961364B1
- Authority
- FR
- France
- Prior art keywords
- control word
- protecting information
- protecting
- information
- word
- 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.)
- Expired - Fee Related
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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
-
- 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
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1054706A FR2961364B1 (fr) | 2010-06-15 | 2010-06-15 | Procede et systeme de protection d'informations par un mot de controle |
PCT/FR2011/051357 WO2011157949A1 (fr) | 2010-06-15 | 2011-06-15 | Procédé et système de protection d'informations par un mot de contrôle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1054706A FR2961364B1 (fr) | 2010-06-15 | 2010-06-15 | Procede et systeme de protection d'informations par un mot de controle |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2961364A1 FR2961364A1 (fr) | 2011-12-16 |
FR2961364B1 true FR2961364B1 (fr) | 2012-08-17 |
Family
ID=43033418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1054706A Expired - Fee Related FR2961364B1 (fr) | 2010-06-15 | 2010-06-15 | Procede et systeme de protection d'informations par un mot de controle |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2961364B1 (fr) |
WO (1) | WO2011157949A1 (fr) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2755810B1 (fr) * | 1996-11-14 | 1998-12-31 | Thomson Multimedia Sa | Procede de certification de donnees par embrouillage et systeme de certification utilisant un tel procede |
WO2004071091A1 (fr) * | 2003-02-10 | 2004-08-19 | Koninklijke Philips Electronics N.V. | Generation d'informations video cryptees |
FR2876858B1 (fr) * | 2004-10-14 | 2006-12-01 | Viaccess Sa | Dispositif et procede de reception d'informations embrouillees, et unite de desembrouillage, systeme de transmission d'informations et emetteur adaptes pour ce dispositif |
US8687806B2 (en) * | 2008-02-07 | 2014-04-01 | Motorola Mobility Llc | Conditional access system employing constrained encryption keys |
EP2129116A1 (fr) * | 2008-05-29 | 2009-12-02 | Nagravision S.A. | Unité et méthode de traitement sécurisé de données audio/vidéo à accès contrôlé |
-
2010
- 2010-06-15 FR FR1054706A patent/FR2961364B1/fr not_active Expired - Fee Related
-
2011
- 2011-06-15 WO PCT/FR2011/051357 patent/WO2011157949A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FR2961364A1 (fr) | 2011-12-16 |
WO2011157949A1 (fr) | 2011-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |
Owner name: VERIMATRIX FRANCE SAS, FR Effective date: 20140422 |
|
ST | Notification of lapse |
Effective date: 20160229 |