RU2004130423A - Способ управления правами на зашифрованные данные, хранящиеся на цифровом регистраторе - Google Patents
Способ управления правами на зашифрованные данные, хранящиеся на цифровом регистраторе Download PDFInfo
- Publication number
- RU2004130423A RU2004130423A RU2004130423/09A RU2004130423A RU2004130423A RU 2004130423 A RU2004130423 A RU 2004130423A RU 2004130423/09 A RU2004130423/09 A RU 2004130423/09A RU 2004130423 A RU2004130423 A RU 2004130423A RU 2004130423 A RU2004130423 A RU 2004130423A
- Authority
- RU
- Russia
- Prior art keywords
- event
- receipt
- security
- messages
- ecm
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 4
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000012795 verification Methods 0.000 claims 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- 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
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
- H04N21/42623—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific decryption arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
- H04H60/23—Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key distribution
-
- 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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4147—PVR [Personal Video Recorder]
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42661—Internal components of the client ; Characteristics thereof for reading from or writing on a magnetic storage medium, e.g. hard disk drive
-
- 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]
- H04N21/40—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
- H04N21/4408—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 encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
-
- 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)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Claims (3)
1. Способ хранения события, зашифрованного с использованием одного или нескольких управляющих слов (CW) в приемнике/декодере (STB), подключенном к блоку (SC) безопасности, причем права доступа к указанному событию содержатся в сообщениях по контролю за доступом (ЕСМ-сообщениях), отличающийся тем, что включает следующие операции: запись зашифрованного события, а также ЕСМ-сообщения или ЕСМ-сообщений в блок хранения; передача ЕСМ-сообщений в блок (SC) безопасности, верификация того, что в блоке (SC) безопасности содержатся права на указанное событие, расчет, по всему ЕСМ-сообщению или по его части, квитанции (Q), которая содержит сигнатуру (SGN) и формируется с использованием секретного ключа (К), содержащегося в блоке (SC) безопасности и специфичного для каждого блока безопасности, хранение указанной квитанции (Q) в блоке хранения.
2. Способ по п.1, отличающийся тем, что расчет квитанции (Q) производят только при наличии в блоке безопасности прав доступа.
3. Способ по п.1, отличающийся тем, что квитанция (Q) дополнительно содержит часть, описывающую новые условия независимо от структурной конфигурации передачи события.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH0664/02 | 2002-04-19 | ||
CH6642002 | 2002-04-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2004130423A true RU2004130423A (ru) | 2005-06-10 |
RU2316135C2 RU2316135C2 (ru) | 2008-01-27 |
Family
ID=28796659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2004130423/09A RU2316135C2 (ru) | 2002-04-19 | 2003-04-15 | Способ управления правами на зашифрованные данные, хранящиеся на цифровом регистраторе |
Country Status (14)
Country | Link |
---|---|
US (1) | US7228439B2 (ru) |
EP (1) | EP1497986B1 (ru) |
JP (1) | JP2006505152A (ru) |
KR (1) | KR100928099B1 (ru) |
CN (1) | CN100344161C (ru) |
AU (1) | AU2003216665A1 (ru) |
BR (1) | BRPI0309362B1 (ru) |
CA (1) | CA2479656A1 (ru) |
ES (1) | ES2391555T3 (ru) |
IL (2) | IL164271A0 (ru) |
MY (1) | MY141187A (ru) |
RU (1) | RU2316135C2 (ru) |
TW (1) | TW200306746A (ru) |
WO (1) | WO2003090465A1 (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2518444C2 (ru) * | 2007-11-09 | 2014-06-10 | Виаксесс | Способ организации и управления доступом к содержимому при иерархическом кодировании, процессор и блок передачи для осуществления способа |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7457414B1 (en) | 2000-07-21 | 2008-11-25 | The Directv Group, Inc. | Super encrypted storage and retrieval of media programs with smartcard generated keys |
US8140859B1 (en) | 2000-07-21 | 2012-03-20 | The Directv Group, Inc. | Secure storage and replay of media programs using a hard-paired receiver and storage device |
US7409562B2 (en) * | 2001-09-21 | 2008-08-05 | The Directv Group, Inc. | Method and apparatus for encrypting media programs for later purchase and viewing |
US7548624B2 (en) * | 2004-01-16 | 2009-06-16 | The Directv Group, Inc. | Distribution of broadcast content for remote decryption and viewing |
US7580523B2 (en) * | 2004-01-16 | 2009-08-25 | The Directv Group, Inc. | Distribution of video content using client to host pairing of integrated receivers/decoders |
US7599494B2 (en) * | 2004-01-16 | 2009-10-06 | The Directv Group, Inc. | Distribution of video content using a trusted network key for sharing content |
FR2871017B1 (fr) * | 2004-05-28 | 2008-02-29 | Viaccess Sa | Procede de diffusion de donnees numeriques a un parc de terminaux recepteurs cible |
EP1662788A1 (fr) * | 2004-11-24 | 2006-05-31 | Nagravision SA | Unité de traitement de données audio/vidéo numériques et méthode de contrôle d'accès audites données |
EP1722564A1 (fr) | 2005-05-13 | 2006-11-15 | Nagra France Sarl | Méthode d'accès conditionnel local pour équipements mobiles |
US9325944B2 (en) | 2005-08-11 | 2016-04-26 | The Directv Group, Inc. | Secure delivery of program content via a removable storage medium |
EP1773055B1 (fr) * | 2005-10-07 | 2014-12-03 | Nagra France SAS | Méthode de vérification de droits contenus dans un module de sécurité |
US8285988B2 (en) * | 2006-05-09 | 2012-10-09 | Broadcom Corporation | Method and system for command authentication to achieve a secure interface |
US8032761B2 (en) | 2006-05-09 | 2011-10-04 | Broadcom Corporation | Method and system for memory attack protection to achieve a secure interface |
US8560829B2 (en) * | 2006-05-09 | 2013-10-15 | Broadcom Corporation | Method and system for command interface protection to achieve a secure interface |
US8775319B2 (en) | 2006-05-15 | 2014-07-08 | The Directv Group, Inc. | Secure content transfer systems and methods to operate the same |
EP1883239A1 (fr) * | 2006-07-24 | 2008-01-30 | Nagravision S.A. | Méthode de stockage et d'exploitation d'un évènement audio/video diffusé |
US8825548B2 (en) * | 2009-06-30 | 2014-09-02 | Ebay Inc. | Secure authentication between multiple parties |
US8547435B2 (en) | 2009-09-20 | 2013-10-01 | Selka Elektronik ve Internet Urunleri San.ve Tic.A.S | Mobile security audio-video recorder with local storage and continuous recording loop |
KR101223280B1 (ko) * | 2009-10-09 | 2013-01-17 | 주식회사 디지캡 | 디지털 방송 제한수신 설정 시스템 및 그 방법 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0975165B1 (en) * | 1994-07-08 | 2003-05-02 | Sony Corporation | Receiving controlled-access broadcast signals |
US6246767B1 (en) * | 1995-04-03 | 2001-06-12 | Scientific-Atlanta, Inc. | Source authentication of download information in a conditional access system |
US6252964B1 (en) * | 1995-04-03 | 2001-06-26 | Scientific-Atlanta, Inc. | Authorization of services in a conditional access system |
HRP970160A2 (en) * | 1996-04-03 | 1998-02-28 | Digco B V | Method for providing a secure communication between two devices and application of this method |
JP4110588B2 (ja) * | 1997-03-19 | 2008-07-02 | ソニー株式会社 | データ受信装置および受信方法 |
EP0912052A1 (en) | 1997-09-25 | 1999-04-28 | CANAL+ Société Anonyme | Method and apparatus for recording of encrypted digital data |
EP0936774A1 (en) * | 1998-02-13 | 1999-08-18 | CANAL+ Société Anonyme | Recording of scrambled digital data |
US6697489B1 (en) * | 1999-03-30 | 2004-02-24 | Sony Corporation | Method and apparatus for securing control words |
US6289455B1 (en) * | 1999-09-02 | 2001-09-11 | Crypotography Research, Inc. | Method and apparatus for preventing piracy of digital content |
US7174512B2 (en) * | 2000-12-01 | 2007-02-06 | Thomson Licensing S.A. | Portal for a communications system |
US8312265B2 (en) * | 2001-12-11 | 2012-11-13 | Pinder Howard G | Encrypting received content |
-
2002
- 2002-12-17 US US10/320,554 patent/US7228439B2/en not_active Expired - Fee Related
-
2003
- 2003-04-15 IL IL16427103A patent/IL164271A0/xx unknown
- 2003-04-15 KR KR1020047016283A patent/KR100928099B1/ko active IP Right Grant
- 2003-04-15 AU AU2003216665A patent/AU2003216665A1/en not_active Withdrawn
- 2003-04-15 CA CA002479656A patent/CA2479656A1/fr not_active Abandoned
- 2003-04-15 BR BRPI0309362A patent/BRPI0309362B1/pt not_active IP Right Cessation
- 2003-04-15 RU RU2004130423/09A patent/RU2316135C2/ru active
- 2003-04-15 CN CNB038085658A patent/CN100344161C/zh not_active Expired - Fee Related
- 2003-04-15 WO PCT/IB2003/001514 patent/WO2003090465A1/fr active Application Filing
- 2003-04-15 TW TW092108636A patent/TW200306746A/zh unknown
- 2003-04-15 JP JP2003587110A patent/JP2006505152A/ja not_active Abandoned
- 2003-04-15 ES ES03712576T patent/ES2391555T3/es not_active Expired - Lifetime
- 2003-04-15 EP EP03712576A patent/EP1497986B1/fr not_active Expired - Lifetime
- 2003-04-17 MY MYPI20031450A patent/MY141187A/en unknown
-
2004
- 2004-09-26 IL IL164271A patent/IL164271A/en active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2518444C2 (ru) * | 2007-11-09 | 2014-06-10 | Виаксесс | Способ организации и управления доступом к содержимому при иерархическом кодировании, процессор и блок передачи для осуществления способа |
RU2518444C9 (ru) * | 2007-11-09 | 2014-08-27 | Виаксесс | Способ организации и управления доступом к содержимому при иерархическом кодировании, процессор и блок передачи для осуществления способа |
Also Published As
Publication number | Publication date |
---|---|
RU2316135C2 (ru) | 2008-01-27 |
IL164271A0 (en) | 2005-12-18 |
CN100344161C (zh) | 2007-10-17 |
KR100928099B1 (ko) | 2009-11-24 |
TW200306746A (en) | 2003-11-16 |
KR20040101450A (ko) | 2004-12-02 |
ES2391555T3 (es) | 2012-11-27 |
BR0309362A (pt) | 2005-02-15 |
CA2479656A1 (fr) | 2003-10-30 |
CN1647532A (zh) | 2005-07-27 |
JP2006505152A (ja) | 2006-02-09 |
IL164271A (en) | 2009-12-24 |
AU2003216665A1 (en) | 2003-11-03 |
WO2003090465A1 (fr) | 2003-10-30 |
US7228439B2 (en) | 2007-06-05 |
MY141187A (en) | 2010-03-31 |
EP1497986B1 (fr) | 2012-08-01 |
US20030200444A1 (en) | 2003-10-23 |
EP1497986A1 (fr) | 2005-01-19 |
BRPI0309362B1 (pt) | 2017-03-07 |
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