JP2001500351A - 再生された暗号化情報信号のために個別使用認証を請求する装置 - Google Patents
再生された暗号化情報信号のために個別使用認証を請求する装置Info
- Publication number
- JP2001500351A JP2001500351A JP11508360A JP50836099A JP2001500351A JP 2001500351 A JP2001500351 A JP 2001500351A JP 11508360 A JP11508360 A JP 11508360A JP 50836099 A JP50836099 A JP 50836099A JP 2001500351 A JP2001500351 A JP 2001500351A
- Authority
- JP
- Japan
- Prior art keywords
- information
- information signal
- use authentication
- encrypted
- reproduced
- 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.)
- Granted
Links
- 238000004891 communication Methods 0.000 claims description 54
- 238000013475 authorization Methods 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 238000012795 verification Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000012546 transfer Methods 0.000 description 8
- 230000007123 defense Effects 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000033748 Device issues Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- 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
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
-
- 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
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
-
- 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
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2543—Billing, e.g. for subscription services
-
- 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
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
- H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
-
- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
-
- 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]
- H04N21/60—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
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
- H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
-
- 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
- H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
-
- 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)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 再生された暗号化情報信号を受信するために配設され、ある使用認証が利 用可能である場合に、再生された暗号化情報信号を正しく復号するために適切な 鍵情報(S)を供給するように工夫された照合手段(19)と、 鍵情報(S)を受信するために配設され、適切な鍵情報(S)が利用可能であ る場合に、再生された暗号化情報信号を復号するように工夫された復号手段(3 2)とからなり、装置(1)が 独立して使用認証を要求するための尋問手段(35、43)を装備されているこ とを特徴とする、 装置(1)と協調するように工夫された再生デバイス(2、3)を手段として再 生される、暗号化情報信号を再生するための使用認証を照合し、かつある使用認 証が利用可能である場合に、復号された情報信号を供給するための、装置(1) 。 2. 前記尋問手段(35、43)が、コミュニケーション手段(43)を含み 、そのコミュニケーション手段が、再生された暗号化情報信号のための使用認証 が存在しない場合に、上記コミュニケーション手段(43)と、少なくとも一つ の使用認証割り当てデバイス(51、53、57、60)との間に、一つのデー タリンク(49、52、56、59)をセットアップするように工夫されており 、かつ 上記コミュニケーション手段(43)が、上記データリンク(49、52、56 、59)を経由して、上記使用認証割り当てデバイス(51、53、57、60 )へ使用認証要求情報を供給するように工夫され、又上記使用認証割り当てデバ イス(51、53、57、60)から、再生された暗号化情報信号のための使用 認証を受信するように工夫されたものであることを特徴とする、特許請求の範囲 第1項記載の装置(1)。(第1図) 3. 前記照合手段(19)が、再生された暗号化情報信号に含まれており、上 記再生された暗号化情報信号のための使用認証を割り当てることを許可されてい る使用認証割り当てデバイスを特定する、イネーブル情報を読み出して供給する ように工夫されており、かつ、 上記コミュニケーション手段(43)が、上記イネーブル情報により特定される 使用認証割り当てデバイス(51、53、57、60)に、使用認証要求情報を 供給するように工夫されていることを特徴とする、特許請求の範囲第2項記載の 装置(1)。(第1図) 4. 受信手段(63)が、ある放送局(53、57、60、65)により供給 される暗号化された情報信号であって、上記暗号化情報信号のための、使用認証 を割り当てることを許可された、一つの使用認証割り当てデバイス(51、53 、57、60)を特定するイネーブル情報を含んでいる暗号化情報信号を受信す るために配設され、かつ、 インターフェース手段(13)が、上記暗号化された情報信号を記録するために 上記インターフェース手段(13)と協調するように工夫された記録再生デバイ ス(2)に、上記イネーブル情報を含むある暗号化情報信号を供給するために配 設されていることを特徴とする、特許請求の範囲第3項記載の装置(1)。(第 1図) 5. 上記コミュニケーション手段(43)は、イネーブル情報により特定され る、使用認証割り当てデバイス(51、53、57、60)からのコネクション セットアップ情報を記憶することが出来る、メモリ手段(45)をその内部に含 み、かつ、 そのコミュニケーション手段(43)は、与えられたイネーブル情報を含む、再 生された暗号化情報信号のための使用認証が存在しない場合は、上記メモリ手段 (45)に記憶される、与えられたイネーブル情報により特定される、使用認証 割り当てデバイス(51、53、57、60)に使用認証要求情報を供給するた めの、コネクションセットアップ情報を手段として、一つのデータリンク(49 、52、56、59)をセットアップし、上記データリンク(49、52、56 、59)を経由して、再生された暗号化情報信号のための、使用認証を受信する ように工夫されていることを特徴とする、特許請求の範囲第3項記載の装置(1 )。(第1図) 6. 上記コミュニケーション手段(43)が、使用認証割り当てデバイス(5 1、53、57、60)に、再生された暗号化情報信号を特定する使用認証要求 情報を供給し、かつ、使用認証割り当てデバイス(51、53、57、60)か ら、使用認証要求情報に依存する鍵情報を受信するように工夫されていることを 特徴とする、特許請求の範囲第2項記載の装置(1)。 7. 演算手段(35)が、再生された暗号化されていない情報信号をデコード するために配設されており、その手段は同時に尋問手段(35、43)の一部を 構成し、かつ上記演算手段(35)は制御情報(SI)コミュニケーション手段 (43)に、使用認証が存在しないことを理由にして、再生された暗号化情報信 号が不正な復号であることを特有の制御情報を供給するように工夫されているこ とを特徴とする、特許請求の範囲第2項記載の装置(1)。(第1図) 8. 上記照合手段(19)が、上記コミュニケーション手段(43)に受信さ れる第一の鍵情報を、使用認証割り当てデバイス(51、53、57、60)か ら受信するとともに、上記再生された暗号化情報信号中に含まれる第二の鍵情報 を受信するように配置されたキーステージ(22)を含み、かつ、 上記キーステージ(22)が、ある使用認証が利用可能な場合は、第一の鍵情報 (S1)と第二の鍵情報(S2)とを一続きに処理して、再生された暗号化情報 信号の正しい復号に適切な複合鍵情報(S)を、復号手段(32)に供給するよ うに工夫されていることを特徴とする、特許請求の範囲第2項記載の装置(1) 。(第1図) 9. 使用認証が存在しない場合、暗号化された情報信号の再生を中断するため に、インターフェース手段(13)を経由して、再生手段(2、3)にポーズ情 報を供給するように工夫された、制御手段(62)が配設され、かつ、 上記制御手段(62)は、しばらくして暗号化された情報信号のための使用認証 が利用可能になった場合は、暗号化された情報信号の再生を継続するために、上 記インターフェース手段(13)を経由して、再生手段(2、3)にポーズ終了 情報を供給するように工夫されたことを特徴とする、特許請求の範囲第2項記載 の装置(1)。(第1図)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97890135.3 | 1997-07-11 | ||
EP97890135 | 1997-07-11 | ||
PCT/IB1998/000986 WO1999003277A2 (en) | 1997-07-11 | 1998-06-25 | Arrangement for independently requesting a playing authorization for a reproduced encrypted information signal |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2001500351A true JP2001500351A (ja) | 2001-01-09 |
JP2001500351A5 JP2001500351A5 (ja) | 2006-01-05 |
JP4145362B2 JP4145362B2 (ja) | 2008-09-03 |
Family
ID=8231108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50836099A Expired - Lifetime JP4145362B2 (ja) | 1997-07-11 | 1998-06-25 | 再生された暗号化情報信号のために個別使用認証を請求する装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6308269B2 (ja) |
EP (1) | EP0925686B1 (ja) |
JP (1) | JP4145362B2 (ja) |
KR (1) | KR100571490B1 (ja) |
AT (1) | ATE275798T1 (ja) |
DE (1) | DE69826099T2 (ja) |
WO (1) | WO1999003277A2 (ja) |
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EP0925686A2 (en) | 1999-06-30 |
KR100571490B1 (ko) | 2006-04-17 |
WO1999003277A2 (en) | 1999-01-21 |
JP4145362B2 (ja) | 2008-09-03 |
EP0925686B1 (en) | 2004-09-08 |
KR20010029492A (ko) | 2001-04-06 |
WO1999003277A3 (en) | 1999-04-01 |
DE69826099D1 (de) | 2004-10-14 |
ATE275798T1 (de) | 2004-09-15 |
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