JP2001507178A - 暗号化されたビデオデータを処理し保存するための復号化装置/方法およびデータ・フォーマット - Google Patents
暗号化されたビデオデータを処理し保存するための復号化装置/方法およびデータ・フォーマットInfo
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- JP2001507178A JP2001507178A JP52599098A JP52599098A JP2001507178A JP 2001507178 A JP2001507178 A JP 2001507178A JP 52599098 A JP52599098 A JP 52599098A JP 52599098 A JP52599098 A JP 52599098A JP 2001507178 A JP2001507178 A JP 2001507178A
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Classifications
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- 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
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- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
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- 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
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- 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
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- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
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- H—ELECTRICITY
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- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
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- H04N21/42646—Internal components of the client ; Characteristics thereof for reading from or writing on a non-volatile solid state storage medium, e.g. DVD, CD-ROM
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.暗号化された番組(プログラム)データおよび暗号化コードを含んでいるデ ィジタル・データストリームを処理するための条件付きアクセス・プロセッサ( 115、130、50)であって、 前記暗号化コードを解読して、暗号化キーを供給するための第1のアルゴリズ ム手段(130、115)と、 前記暗号化キーを暗号化するための第2のアルゴリズム手段(130、115 )とから成り、 前記第2の暗号化アルゴリズムが前記第1の暗号化アルゴリズムと異なる、前 記プロセッサ。 2.前記条件付きアクセス・システムがホスト装置内に在り、 前記第1および第2のアルゴリズムが、前記条件付きアクセス・システム内部 で使用される電子的装置内に収められており、且つ 前記電子的装置が前記ホスト装置の中へ挿入できる、請求項1記載の条件付き アクセス・プロセッサ。 3.前記第2のアルゴリズム手段が、該アルゴリズム手段による暗号化後に前記 暗号化キーを解読する手段を含んでいる、請求項1記載の条件付きアクセス・プ ロセッサ。 4.前記暗号化された番組データを解読する第3のアルゴリズム手段を更に含ん でいる、請求項1記載の条件付きアクセス・プロセッサ。 5.前記暗号化された暗号化キーを出力として供給するための出力プロセッサを 更に含んでおり、 前記暗号化コードが放送暗号化コードである、請求項1記載の条件付きアクセ ス・プロセッサ。 6.前記暗号化された暗号化キーを出力として供給するための出力プロセッサを 更に含んでおり、 前記暗号化コードが局所の保存源から取り出される再生暗号化コードである、 請求項1記載の条件付きアクセス・プロセッサ。 7.暗号化された番組データおよび関連する暗号化コードから番組を表すデータ ストリームを発生する方法であって、 前記暗号化コードを解読し、第1のアルゴリズムを使用して暗号化キーを供給 するステップと、 前記第1の暗号化アルゴリズムと異なる第2の暗号化アルゴリズムを使用して 、前記暗号化キーを暗号化するステップと、 前記暗号化された番組データと前記暗号化された暗号化キーから前記番組を表 すデータ・ストリームを形成するステップとから成る、前記方法。 8.前記形成されたデータストリームがMPEGと互換性を有する、請求項7記 載の方法。 9.前記暗号化アルゴリズムが変更され、且つ 前記第2の暗号化アルゴリズムが前記第1の暗号化アルゴリズムほど頻繁に変 更されない、請求項7記載の方法。 10.前記暗号化された暗号化キーが、前記形成されたデータストリーム内のPr ogram Specific Information(PSI:番組固有の情報)の中に含まれている、 請求項7記載の方法。 11.前記暗号化された暗号化キーが、前記PSI内のprogram map table(P MT:プログラム・マップ・テーブル)の中に含まれている、請求項10記載の 方法。 12.前記暗号化された暗号化キーが前記PSI内のconditional access table (CAT:条件付きアクセス・テーブル)の中に含まれている、請求項10記載 の方法。 13.番組を表すデータストリームを発生し処理する請求項7記載の方法であっ て、前記形成されたデータストリームを記録媒体に保存するステップを更に含ん でいる、前記方法。 14.支払請求を開始して、前記第2の暗号化アルゴリズムの適用に基づき形成 される前記データストリームを発生するステップを更に含んでいる、請求項7記 載の方法。 15.暗号化された番組データおよび関連する暗号化コードを含んでいる、番組 を表すデータストリームを復号化する方法であって、 第1と第2のアルゴリズムを選択し、前記暗号化コードを解読するステップと 、 前記選択されたアルゴリズムを使用して、前記暗号化コードを解読し、暗号化 キーを再生するステップと、 前記暗号化キーを使用して、前記暗号化された番組データを解読し、前記番組 を再生するステップとから成る、前記方法。 16.前記データストリームがMPEGと互換性を有する、請求項15記載の復 号化方法。 17.前記暗号化アルゴリズムは変更され、 前記第2の暗号化アルゴリズムは前記第1の暗号化アルゴリズムほど頻繁に変 更されない、請求項15記載の方法。 18.前記暗号化コードが前記データストリーム内のProgram Specific Informa tion(PSI)の中に含まれている、請求項15記載の方法。 19.前記暗号化コードが前記PSI内のprogram map table(PMT)の中に 含まれている、請求項18記載の方法。 20.前記暗号化コードがconditional access table(CAT)の中に含まれて いる、請求項18記載の方法。 21.前記第2の暗号解読アルゴリズムが適用されると前記データストリームの 再生に対して支払請求を開始するステップを更に含んでいる、請求項15記載の 方法。 22.前記暗号化された番組データを解読する際に前記暗号化キーを使用して第 3のアルゴリズムを適用するステップを更に含んでいる、請求項15記載の方法 。 23.前記データストリーム源を判断するステップを更に含んでおり、 前記第1と第2のアルゴリズムを選択する前記ステップが前記データストリー ム源に基づいている、請求項15記載の方法。 24.暗号化された番組データをデータ形式で記録している記録媒体(105) であって、 第1の暗号化アルゴリズムを使用して暗号化された(115、130)番組デ ータと、 第2の暗号化アルゴリズムを使用して、前記暗号化された番組データに関連す る暗号化キーを暗号化することにより得られる暗号化コードとを含み、 前記暗号化キーは前記暗号化された番組データを解読する(115、33、5 0、130)際に使用するのに適しており、 前記第1の暗号化アルゴリズムは前記第2の暗号化アルゴリズムとは異なる、 前記記録媒体(105)。 25.前記暗号化コードが前記番組データ内のPSI(Program Specific Infor mation)の中に含まれている、請求項24記載の記録媒体。 26.ホスト装置の中に挿入できる電子的装置内に保存された暗号化キー再生ア ルゴリズムを使用して、暗号化された番組データおよび関連する暗号化コードを 含む、番組を表すデータストリームを解読する方法であって、 第1と第2のアルゴリズムを選択して、前記暗号化キー再生アルゴリズムを得 る再生モードのステップと、 前記暗号化キー再生アルゴリズムを使用して、前記暗号化コードを解読して、 放送暗号化キーを再生する再生モードのステップと、 前記暗号化キーを使用して、前記暗号化された番組データを解読して、前記番 組を再生する再生モードのステップとから成る、前記方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US08/762,488 US6016348A (en) | 1996-11-27 | 1996-11-27 | Decoding system and data format for processing and storing encrypted broadcast, cable or satellite video data |
US08/762,488 | 1996-11-27 | ||
PCT/US1997/019375 WO1998024237A1 (en) | 1996-11-27 | 1997-10-28 | A decoding apparatus/method and data format for processing and storing encrypted video data |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
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JP2008184183A Division JP4392849B2 (ja) | 1996-11-27 | 2008-07-15 | ディジタル・ビデオ・データを処理するシステムおよび方法 |
JP2009248579A Division JP5046340B2 (ja) | 1996-11-27 | 2009-10-29 | ディジタル・ビデオ・データを処理する装置 |
JP2009279504A Division JP5046341B2 (ja) | 1996-11-27 | 2009-12-09 | ディジタル・ビデオ・データを処理する方法 |
Publications (3)
Publication Number | Publication Date |
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JP2001507178A true JP2001507178A (ja) | 2001-05-29 |
JP2001507178A5 JP2001507178A5 (ja) | 2005-07-14 |
JP4554727B2 JP4554727B2 (ja) | 2010-09-29 |
Family
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Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
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JP52599098A Expired - Lifetime JP4554727B2 (ja) | 1996-11-27 | 1997-10-28 | ディジタル・ビデオ・データを処理するシステムおよび方法 |
JP2008184183A Expired - Lifetime JP4392849B2 (ja) | 1996-11-27 | 2008-07-15 | ディジタル・ビデオ・データを処理するシステムおよび方法 |
JP2009248579A Expired - Lifetime JP5046340B2 (ja) | 1996-11-27 | 2009-10-29 | ディジタル・ビデオ・データを処理する装置 |
JP2009279504A Expired - Lifetime JP5046341B2 (ja) | 1996-11-27 | 2009-12-09 | ディジタル・ビデオ・データを処理する方法 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
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JP2008184183A Expired - Lifetime JP4392849B2 (ja) | 1996-11-27 | 2008-07-15 | ディジタル・ビデオ・データを処理するシステムおよび方法 |
JP2009248579A Expired - Lifetime JP5046340B2 (ja) | 1996-11-27 | 2009-10-29 | ディジタル・ビデオ・データを処理する装置 |
JP2009279504A Expired - Lifetime JP5046341B2 (ja) | 1996-11-27 | 2009-12-09 | ディジタル・ビデオ・データを処理する方法 |
Country Status (15)
Country | Link |
---|---|
US (1) | US6016348A (ja) |
EP (1) | EP0941611B1 (ja) |
JP (4) | JP4554727B2 (ja) |
KR (1) | KR100467298B1 (ja) |
CN (1) | CN1155248C (ja) |
AU (1) | AU7402498A (ja) |
BR (2) | BR9715352B1 (ja) |
CA (1) | CA2272922C (ja) |
DE (1) | DE69726753T2 (ja) |
ES (1) | ES2213226T3 (ja) |
HK (1) | HK1024367A1 (ja) |
MX (1) | MX206274B (ja) |
MY (1) | MY118261A (ja) |
TW (1) | TW379505B (ja) |
WO (1) | WO1998024237A1 (ja) |
Families Citing this family (162)
Publication number | Priority date | Publication date | Assignee | Title |
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USRE46310E1 (en) | 1991-12-23 | 2017-02-14 | Blanding Hovenweep, Llc | Ergonomic man-machine interface incorporating adaptive pattern recognition based control system |
USRE47908E1 (en) | 1991-12-23 | 2020-03-17 | Blanding Hovenweep, Llc | Ergonomic man-machine interface incorporating adaptive pattern recognition based control system |
US6850252B1 (en) | 1999-10-05 | 2005-02-01 | Steven M. Hoffberg | Intelligent electronic appliance system and method |
USRE48056E1 (en) | 1991-12-23 | 2020-06-16 | Blanding Hovenweep, Llc | Ergonomic man-machine interface incorporating adaptive pattern recognition based control system |
US5903454A (en) | 1991-12-23 | 1999-05-11 | Hoffberg; Linda Irene | Human-factored interface corporating adaptive pattern recognition based controller apparatus |
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- 1997-10-28 CA CA002272922A patent/CA2272922C/en not_active Expired - Fee Related
- 1997-10-28 KR KR10-1999-7004478A patent/KR100467298B1/ko not_active IP Right Cessation
- 1997-10-28 BR BRPI9714639-0A patent/BR9714639B1/pt not_active IP Right Cessation
- 1997-10-28 ES ES97949340T patent/ES2213226T3/es not_active Expired - Lifetime
- 1997-10-28 WO PCT/US1997/019375 patent/WO1998024237A1/en active IP Right Grant
- 1997-10-28 EP EP97949340A patent/EP0941611B1/en not_active Expired - Lifetime
- 1997-10-28 AU AU74024/98A patent/AU7402498A/en not_active Abandoned
- 1997-10-28 DE DE69726753T patent/DE69726753T2/de not_active Expired - Lifetime
- 1997-11-26 MY MYPI97005701A patent/MY118261A/en unknown
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1999
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2000
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2008
- 2008-07-15 JP JP2008184183A patent/JP4392849B2/ja not_active Expired - Lifetime
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2009
- 2009-10-29 JP JP2009248579A patent/JP5046340B2/ja not_active Expired - Lifetime
- 2009-12-09 JP JP2009279504A patent/JP5046341B2/ja not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0241090A (ja) * | 1988-07-29 | 1990-02-09 | Matsushita Electric Ind Co Ltd | 信号処理装置 |
JPH04150333A (ja) * | 1990-10-11 | 1992-05-22 | Nippon Hoso Kyokai <Nhk> | 放送受信制御方式 |
JPH0879234A (ja) * | 1994-09-07 | 1996-03-22 | Hitachi Ltd | データ受信装置 |
JPH08242438A (ja) * | 1994-11-26 | 1996-09-17 | Lg Electron Inc | ディジタル映像システムの不法視聴/複写防止方法及び装置 |
JPH08195735A (ja) * | 1995-01-18 | 1996-07-30 | Toshiba Corp | デコーダ装置 |
Also Published As
Publication number | Publication date |
---|---|
JP4554727B2 (ja) | 2010-09-29 |
KR100467298B1 (ko) | 2005-01-24 |
TW379505B (en) | 2000-01-11 |
JP5046341B2 (ja) | 2012-10-10 |
CA2272922C (en) | 2005-12-06 |
CA2272922A1 (en) | 1998-06-04 |
HK1024367A1 (en) | 2000-10-05 |
JP2010057205A (ja) | 2010-03-11 |
JP2010088121A (ja) | 2010-04-15 |
EP0941611A1 (en) | 1999-09-15 |
WO1998024237A1 (en) | 1998-06-04 |
DE69726753T2 (de) | 2004-11-25 |
CN1238885A (zh) | 1999-12-15 |
AU7402498A (en) | 1998-06-22 |
BR9714639A (pt) | 2000-10-03 |
JP2008312233A (ja) | 2008-12-25 |
MX9904875A (es) | 1999-11-30 |
MY118261A (en) | 2004-09-30 |
BR9715352B1 (pt) | 2012-03-06 |
ES2213226T3 (es) | 2004-08-16 |
US6016348A (en) | 2000-01-18 |
JP5046340B2 (ja) | 2012-10-10 |
EP0941611B1 (en) | 2003-12-10 |
MX206274B (es) | 2002-01-30 |
CN1155248C (zh) | 2004-06-23 |
JP4392849B2 (ja) | 2010-01-06 |
DE69726753D1 (de) | 2004-01-22 |
BR9714639B1 (pt) | 2011-02-08 |
KR20000057174A (ko) | 2000-09-15 |
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