JP2006505152A - 個人用デジタルレコーダに格納された暗号化コンテンツの権利の管理方法 - Google Patents
個人用デジタルレコーダに格納された暗号化コンテンツの権利の管理方法 Download PDFInfo
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- JP2006505152A JP2006505152A JP2003587110A JP2003587110A JP2006505152A JP 2006505152 A JP2006505152 A JP 2006505152A JP 2003587110 A JP2003587110 A JP 2003587110A JP 2003587110 A JP2003587110 A JP 2003587110A JP 2006505152 A JP2006505152 A JP 2006505152A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008521 reorganization Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
Images
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)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Storage Device Security (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
- 単数又は複数の制御語(CW)により暗号化されたイベント
- 制御語(CW)及びアクセス条件(AC)を含む単数又は複数の制御メッセージECM
- 前記アクセス条件を検証することを可能にする、セキュリティユニット内に格納された対応する権利
- 暗号化されたイベント並びに制御メッセージ(ECM)を格納ユニットに格納する段階と、
- 制御メッセージ(ECM)をセキュリティユニット(SC)に送信する段階と、
- このイベントへのアクセス権がセキュリティユニット(SC)内に含まれているかどうか検証する段階と、
- セキュリティユニット(SC)内に含まれ、各ユニットに固有な秘密鍵(K)により、制御メッセージ(ECM)の全体又は一部について受領(Q)を決定する段階と、
- この受領(Q)を格納ユニットに格納する段階と
を含むことを特徴とする方法により達成される。
a. 復号化のための制御語(又は偶数及び奇数語)
b. この制御語を返送するのに必要な権利
- 加入にとって特に有益なチャンネル(又はサービス)の番号
- イベントのテーマ(例えばスポーツ、ニュース、成人)
- レベル(プライムタイム、アフタヌーン、再放送)
- 衝動的購入のための番号
Claims (3)
- セキュリティユニット(SC)に接続された受信及び復号ユニット(STB)内で単数又は複数の制御語(CW)によって暗号化されたイベントの格納方法であって、前記制御語(CW)及び前記イベントへのアクセスに必要な権利が制御メッセージ(ECM)内に含まれ、
- 暗号化されたイベント並びに単数又は複数の制御メッセージ(ECM)を格納ユニットに格納する段階と、
- 制御メッセージ(ECM)をセキュリティユニット(SC)に送信する段階と、
- 前記イベントへのアクセス権がセキュリティユニット(SC)内に含まれているかどうか検証する段階と、
- セキュリティユニット(SC)内に含まれ、各ユニットに固有な秘密鍵(K)により、制御メッセージ(ECM)の全体又は一部についての署名(SGN)を含む受領(Q)を決定する段階と、
- 前記受領(Q)を格納ユニットに格納する段階と
を含むことを特徴とする暗号化されたイベントの格納方法。 - アクセス権がセキュリティユニット内に存在する場合にのみ受領(Q)が計算されることを特徴とする請求項1記載の方法。
- 受領(Q)が更にイベントの配信の構造的構成とは無関係な新しい条件を記述する条件部分(CD)を含むことを特徴とする請求項1記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH6642002 | 2002-04-19 | ||
PCT/IB2003/001514 WO2003090465A1 (fr) | 2002-04-19 | 2003-04-15 | Methode de gestion des droits d´un contenu encrypte et stocke sur un enregistreur numerique personnel |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006505152A true JP2006505152A (ja) | 2006-02-09 |
Family
ID=28796659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003587110A Abandoned JP2006505152A (ja) | 2002-04-19 | 2003-04-15 | 個人用デジタルレコーダに格納された暗号化コンテンツの権利の管理方法 |
Country Status (14)
Country | Link |
---|---|
US (1) | US7228439B2 (ja) |
EP (1) | EP1497986B1 (ja) |
JP (1) | JP2006505152A (ja) |
KR (1) | KR100928099B1 (ja) |
CN (1) | CN100344161C (ja) |
AU (1) | AU2003216665A1 (ja) |
BR (1) | BRPI0309362B1 (ja) |
CA (1) | CA2479656A1 (ja) |
ES (1) | ES2391555T3 (ja) |
IL (2) | IL164271A0 (ja) |
MY (1) | MY141187A (ja) |
RU (1) | RU2316135C2 (ja) |
TW (1) | TW200306746A (ja) |
WO (1) | WO2003090465A1 (ja) |
Families Citing this family (20)
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 |
PT1773055E (pt) * | 2005-10-07 | 2015-02-27 | Nagra France Sas | Método de verificação de direitos contidos num módulo de segurança |
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 |
FR2923669B1 (fr) * | 2007-11-09 | 2010-01-08 | Viaccess Sa | Procede de conditionnement et de controle d'acces a des contenus en codage hierarchique, processeur et emetteur pour ce procede |
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 |
---|---|---|---|---|
DE69535971D1 (de) * | 1994-07-08 | 2009-08-06 | Sony Corp | Empfang von Rundfunksignalen mit bedingtem Zugang |
US6252964B1 (en) * | 1995-04-03 | 2001-06-26 | Scientific-Atlanta, Inc. | Authorization of services 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 |
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 EP EP03712576A patent/EP1497986B1/fr not_active Expired - Lifetime
- 2003-04-15 ES ES03712576T patent/ES2391555T3/es not_active Expired - Lifetime
- 2003-04-15 WO PCT/IB2003/001514 patent/WO2003090465A1/fr active Application Filing
- 2003-04-15 BR BRPI0309362A patent/BRPI0309362B1/pt not_active IP Right Cessation
- 2003-04-15 AU AU2003216665A patent/AU2003216665A1/en not_active Withdrawn
- 2003-04-15 RU RU2004130423/09A patent/RU2316135C2/ru active
- 2003-04-15 KR KR1020047016283A patent/KR100928099B1/ko active IP Right Grant
- 2003-04-15 CA CA002479656A patent/CA2479656A1/fr not_active Abandoned
- 2003-04-15 JP JP2003587110A patent/JP2006505152A/ja not_active Abandoned
- 2003-04-15 TW TW092108636A patent/TW200306746A/zh unknown
- 2003-04-15 IL IL16427103A patent/IL164271A0/xx unknown
- 2003-04-15 CN CNB038085658A patent/CN100344161C/zh not_active Expired - Fee Related
- 2003-04-17 MY MYPI20031450A patent/MY141187A/en unknown
-
2004
- 2004-09-26 IL IL164271A patent/IL164271A/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
AU2003216665A1 (en) | 2003-11-03 |
IL164271A0 (en) | 2005-12-18 |
CN100344161C (zh) | 2007-10-17 |
ES2391555T3 (es) | 2012-11-27 |
MY141187A (en) | 2010-03-31 |
WO2003090465A1 (fr) | 2003-10-30 |
KR20040101450A (ko) | 2004-12-02 |
US20030200444A1 (en) | 2003-10-23 |
TW200306746A (en) | 2003-11-16 |
EP1497986B1 (fr) | 2012-08-01 |
RU2004130423A (ru) | 2005-06-10 |
CA2479656A1 (fr) | 2003-10-30 |
BRPI0309362B1 (pt) | 2017-03-07 |
KR100928099B1 (ko) | 2009-11-24 |
IL164271A (en) | 2009-12-24 |
BR0309362A (pt) | 2005-02-15 |
EP1497986A1 (fr) | 2005-01-19 |
CN1647532A (zh) | 2005-07-27 |
US7228439B2 (en) | 2007-06-05 |
RU2316135C2 (ru) | 2008-01-27 |
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