FR2680589B1 - - Google Patents
Info
- Publication number
- FR2680589B1 FR2680589B1 FR9110404A FR9110404A FR2680589B1 FR 2680589 B1 FR2680589 B1 FR 2680589B1 FR 9110404 A FR9110404 A FR 9110404A FR 9110404 A FR9110404 A FR 9110404A FR 2680589 B1 FR2680589 B1 FR 2680589B1
- Authority
- FR
- France
- 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 - Lifetime
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
- H04L9/088—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
- H04N21/43—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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
-
- 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
-
- 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)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Storage Device Security (AREA)
- Information Transfer Between Computers (AREA)
- Computer And Data Communications (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Small-Scale Networks (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9110404A FR2680589A1 (fr) | 1991-08-19 | 1991-08-19 | Procede d'emission et de reception de programmes personnalises. |
| US07/929,829 US5301233A (en) | 1991-08-19 | 1992-08-14 | Process for the transmission and reception of personalized programs |
| EP92402294A EP0528730B1 (fr) | 1991-08-19 | 1992-08-17 | Procédés d'émission et de réception de programmes personnalisés |
| DE69227487T DE69227487T2 (de) | 1991-08-19 | 1992-08-17 | Verfahren zum Senden und Empfangen von personalisierten Programmen |
| FI923701A FI103838B1 (fi) | 1991-08-19 | 1992-08-18 | Menetelmä vastaanottajakohtaisten ohjelmien lähettämiseksi ja vastaanottamiseksi |
| NO923239A NO304458B1 (no) | 1991-08-19 | 1992-08-18 | FremgangsmÕte til utsendelse og mottagelse av personlige programmer |
| JP22048292A JP3798031B2 (ja) | 1991-08-19 | 1992-08-19 | 個人用プログラムの送受信方法 |
| CA002076439A CA2076439C (en) | 1991-08-19 | 1992-08-19 | Process for the transmission and reception of personalized programs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9110404A FR2680589A1 (fr) | 1991-08-19 | 1991-08-19 | Procede d'emission et de reception de programmes personnalises. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2680589A1 FR2680589A1 (fr) | 1993-02-26 |
| FR2680589B1 true FR2680589B1 (US06650917-20031118-M00005.png) | 1995-01-27 |
Family
ID=9416258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9110404A Granted FR2680589A1 (fr) | 1991-08-19 | 1991-08-19 | Procede d'emission et de reception de programmes personnalises. |
Country Status (8)
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6292568B1 (en) * | 1966-12-16 | 2001-09-18 | Scientific-Atlanta, Inc. | Representing entitlements to service in a conditional access system |
| US4965825A (en) | 1981-11-03 | 1990-10-23 | The Personalized Mass Media Corporation | Signal processing apparatus and methods |
| USRE47642E1 (en) | 1981-11-03 | 2019-10-08 | Personalized Media Communications LLC | Signal processing apparatus and methods |
| US7831204B1 (en) | 1981-11-03 | 2010-11-09 | Personalized Media Communications, Llc | Signal processing apparatus and methods |
| JPH06110925A (ja) * | 1992-09-28 | 1994-04-22 | Hitachi Ltd | ネットワークで接続された計算機とその利用方法 |
| US5420923A (en) * | 1993-02-16 | 1995-05-30 | Scientific-Atlanta, Inc. | Addressed messaging in a cable television system |
| FR2715256B1 (fr) * | 1994-01-19 | 1996-02-16 | France Telecom | Procédés d'émission et de réception de programmes à accès conditionnel gérés par un même opérateur. |
| US6937729B2 (en) * | 1995-04-03 | 2005-08-30 | Scientific-Atlanta, Inc. | Representing entitlements to service in a conditional access system |
| US6560340B1 (en) | 1995-04-03 | 2003-05-06 | Scientific-Atlanta, Inc. | Method and apparatus for geographically limiting service in a conditional access system |
| US6246767B1 (en) | 1995-04-03 | 2001-06-12 | Scientific-Atlanta, Inc. | Source authentication of download information in a conditional access system |
| US7224798B2 (en) * | 1995-04-03 | 2007-05-29 | Scientific-Atlanta, Inc. | Methods and apparatus for providing a partial dual-encrypted stream in a conditional access overlay system |
| US8548166B2 (en) | 1995-04-03 | 2013-10-01 | Anthony J. Wasilewski | Method for partially encrypting program data |
| US6252964B1 (en) | 1995-04-03 | 2001-06-26 | Scientific-Atlanta, Inc. | Authorization of services in a conditional access system |
| US6424717B1 (en) | 1995-04-03 | 2002-07-23 | Scientific-Atlanta, Inc. | Encryption devices for use in a conditional access system |
| US20040136532A1 (en) * | 1995-04-03 | 2004-07-15 | Pinder Howard G. | Partial dual-encrypted stream utilizing program map tables |
| JP2995496B2 (ja) * | 1995-06-19 | 1999-12-27 | インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン | 単方向ブロードキャスト・システムにおいてデータ・パケットを受信するための方法及びシステム |
| US5887249A (en) * | 1996-01-31 | 1999-03-23 | Telefonaktiebolaget L M Ericsson | Method and apparatus for remotely establishing a cellular service account for a cellular radiotelephone |
| US5828402A (en) * | 1996-06-19 | 1998-10-27 | Canadian V-Chip Design Inc. | Method and apparatus for selectively blocking audio and video signals |
| FR2751154B1 (fr) * | 1996-07-15 | 1998-09-11 | Schlumberger Ind Sa | Systeme de diversification d'informations dans un reseau de distribution de produits ou de services |
| US7515712B2 (en) * | 1997-08-01 | 2009-04-07 | Cisco Technology, Inc. | Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system |
| AU760045B2 (en) * | 1997-12-19 | 2003-05-08 | British Telecommunications Public Limited Company | Data communications |
| US7730300B2 (en) * | 1999-03-30 | 2010-06-01 | Sony Corporation | Method and apparatus for protecting the transfer of data |
| US9451310B2 (en) | 1999-09-21 | 2016-09-20 | Quantum Stream Inc. | Content distribution system and method |
| WO2002015578A1 (en) * | 2000-08-11 | 2002-02-21 | Nds Limited | System and method for pre-encryption of transmitted content |
| FR2825209A1 (fr) * | 2001-05-23 | 2002-11-29 | Thomson Licensing Sa | Dispositifs et procede de securisation et d'identification de messages |
| 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 |
| EP1494125A1 (en) * | 2003-07-03 | 2005-01-05 | Thomson Licensing S.A. | Method and data structure for random access via a bus connection |
| US8396216B2 (en) * | 2003-11-21 | 2013-03-12 | Howard G. Pinder | Partial dual-encryption using program map tables |
| FR2871017B1 (fr) * | 2004-05-28 | 2008-02-29 | Viaccess Sa | Procede de diffusion de donnees numeriques a un parc de terminaux recepteurs cible |
| EP2317767A1 (en) * | 2009-10-27 | 2011-05-04 | Nagravision S.A. | Method for accessing services by a user unit |
| ATE557533T1 (de) * | 2010-03-05 | 2012-05-15 | Nagravision Sa | Verfahren zur steuerung des zugriffs auf eine mehrzahl von kanälen über einen empfänger/decoder |
| US20120063597A1 (en) * | 2010-09-15 | 2012-03-15 | Uponus Technologies, Llc. | Apparatus and associated methodology for managing content control keys |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2448825A1 (fr) * | 1979-02-06 | 1980-09-05 | Telediffusion Fse | Systeme de transmission d'information entre un centre d'emission et des postes recepteurs, ce systeme etant muni d'un moyen de controle de l'acces a l'information transmise |
| AU559311B2 (en) * | 1984-02-15 | 1987-03-05 | Matsushita Electric Industrial Co., Ltd. | Pay tv charge/time data display |
| GB2184272A (en) * | 1985-11-25 | 1987-06-17 | Philips Electronic Associated | Interface between a receiver and a sub-system |
| WO1988001120A1 (en) * | 1986-07-31 | 1988-02-11 | Kabushiki Kaisya Advance | System for generating a shared cryptographic key and a communication system using the shared cryptographic key |
| FR2613565B1 (fr) * | 1987-04-03 | 1989-06-23 | Bull Cps | Procede pour acheminer des cles secretes vers des modules de securite et des cartes utilisateurs, dans un reseau de traitement d'informations |
| FR2632148B1 (fr) * | 1988-05-27 | 1990-08-10 | France Etat | Procede de diffusion et de reception de messages de gestion de titres d'acces |
| US5208856A (en) * | 1988-12-23 | 1993-05-04 | Laboratoire Europeen De Recherches Electroniques Avancees | Scrambling and unscrambling method for composite video signals and implementing device |
| FR2654288B1 (fr) * | 1989-11-08 | 1996-11-29 | Europ Rech Electr Lab | Procede d'authentification d'une carte a microprocesseur et systeme le mettant en óoeuvre. |
| US4991208A (en) * | 1990-03-29 | 1991-02-05 | Gte Laboratories Incorporated | Video control system having session encryption key |
-
1991
- 1991-08-19 FR FR9110404A patent/FR2680589A1/fr active Granted
-
1992
- 1992-08-14 US US07/929,829 patent/US5301233A/en not_active Expired - Lifetime
- 1992-08-17 DE DE69227487T patent/DE69227487T2/de not_active Expired - Lifetime
- 1992-08-17 EP EP92402294A patent/EP0528730B1/fr not_active Expired - Lifetime
- 1992-08-18 FI FI923701A patent/FI103838B1/fi not_active IP Right Cessation
- 1992-08-18 NO NO923239A patent/NO304458B1/no not_active IP Right Cessation
- 1992-08-19 CA CA002076439A patent/CA2076439C/en not_active Expired - Lifetime
- 1992-08-19 JP JP22048292A patent/JP3798031B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US5301233A (en) | 1994-04-05 |
| NO923239L (no) | 1993-02-22 |
| EP0528730A1 (fr) | 1993-02-24 |
| FI103838B (fi) | 1999-09-30 |
| JPH0756831A (ja) | 1995-03-03 |
| NO304458B1 (no) | 1998-12-14 |
| DE69227487D1 (de) | 1998-12-10 |
| FR2680589A1 (fr) | 1993-02-26 |
| CA2076439A1 (en) | 1993-02-20 |
| DE69227487T2 (de) | 1999-06-02 |
| FI923701A (fi) | 1993-02-20 |
| EP0528730B1 (fr) | 1998-11-04 |
| CA2076439C (en) | 2003-05-20 |
| JP3798031B2 (ja) | 2006-07-19 |
| NO923239D0 (no) | 1992-08-18 |
| FI103838B1 (fi) | 1999-09-30 |
| FI923701A0 (fi) | 1992-08-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licences | ||
| CL | Concession to grant licences |