JP2012514940A - コンテンツ保護ポートの事前認証と認証維持のための方法、装置およびシステム - Google Patents
コンテンツ保護ポートの事前認証と認証維持のための方法、装置およびシステム Download PDFInfo
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- JP2012514940A JP2012514940A JP2011545372A JP2011545372A JP2012514940A JP 2012514940 A JP2012514940 A JP 2012514940A JP 2011545372 A JP2011545372 A JP 2011545372A JP 2011545372 A JP2011545372 A JP 2011545372A JP 2012514940 A JP2012514940 A JP 2012514940A
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000012423 maintenance Methods 0.000 title abstract description 5
- 230000008859 change Effects 0.000 claims description 15
- 238000012545 processing Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 description 34
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- 102100039497 Choline transporter-like protein 3 Human genes 0.000 description 9
- 101000889279 Homo sapiens Choline transporter-like protein 3 Proteins 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 6
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- 238000004590 computer program Methods 0.000 description 5
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- 238000005516 engineering process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
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- 238000009826 distribution Methods 0.000 description 2
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
-
- 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
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- 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
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (20)
- 送信デバイスによって受信デバイスを事前認証するステップであって、前記受信デバイスは前記送信デバイスからのデータストリームを第一のデータパスを介して受信するステップ、
第一のHigh−Definition Content Protection(HDCP)エンジンを前記第一のデータパスの中の第一のポートに関連付けるステップであって、前記第一のHDCPエンジンは第二のHDCPエンジンと連結されるステップ、
前記第二のHDCPエンジンを第二のデータパスの中の複数のポートに関連付けるステップであって、前記複数のポートの各々は、前記複数のポートの各々に関する状態情報を有するメモリパイプと関連し、前記状態情報は前記受信デバイスの事前認証に使用されるステップ
を含む方法。 - 前記複数のポートの各々に関する前記状態情報を生成するステップと、前記状態情報をメモリパイプの中に保存するステップをさらに含み、各メモリパイプは前記複数のポートの1つのポートに対応する、請求項1に記載の方法。
- 前記複数のポートを前記第二のHDCPエンジンによって時分割多重化式に同期させるステップをさらに含み、同期は、前記複数のポートのRi同期または垂直鍵変更を含む、請求項1に記載の方法。
- 前記第一のポートを前記第一のHDCPエンジンによって画素解読するステップをさらに含む、請求項1に記載の方法。
- 前記第一のエンジンはメインHDCPエンジンを含み、前記第一のデータパスは主要データパスを含む、請求項1に記載の方法。
- 前記第二のエンジンは移動HDCPエンジンを含み、前記第二のデータパスは移動データパスを含む、請求項1に記載の方法。
- 前記第一のポートはメインポートを含み、前記複数のポートは移動ポートを含む、請求項1に記載の方法。
- 送信デバイスによって事前認証される受信デバイスであって、前記送信デバイスからのデータストリームを、第一のデータパスを介して受信する受信デバイスと、
前記第一のデータパスの中の第一のポートに関連付けられた第一のHigh−Definition Content Protection(HDCP)エンジンであって、第二のHDCPエンジンに連結された第一のHDCPエンジンと、を備え、
前記第二のHDCPエンジンは第二のデータパスの中の複数のポートに関連付けられ、前記複数のポートの各々は、前記複数のポートの各々に関する状態情報を有するメモリパイプに関連付けられ、前記状態情報は前記受信デバイスの事前認証に使用される装置。 - 前記第二のHDCPエンジンは、前記複数のポートの各々に関する前記状態情報を生成して、前記状態情報をメモリパイプに保存し、各メモリパイプは前記複数のポートの1つのポートに対応する、請求項8に記載の装置。
- 前記第二のHDCPエンジンは、前記第二のHDCPエンジンによって前記複数のポートを時分割多重化式に同期させ、同期は、前記複数のポートのRi同期または垂直鍵変更を含む、請求項8に記載の装置。
- 前記第一のHDCPエンジンは、前記第一のHDCPエンジンによって前記第一のポートを画素解読する、請求項8に記載の装置。
- 前記第一のエンジンはメインHDCPエンジンを含み、前記第一のデータパスはメインデータパスを含む、請求項8に記載の装置。
- 前記第二のエンジンは移動HDCPエンジンを含み、前記第二のデータパスは移動データパスを含む、請求項8に記載の装置。
- 前記第一のポートはメインポートを含み、前記複数のポートは移動ポートを含む、請求項8に記載の装置。
- 送信デバイスによる受信デバイスの事前認証を容易にするための事前認証デバイスを含むシステムであって、前記受信デバイスは、前記送信デバイスからのデータストリームを、第一のデータパスを介して受信し、前記事前認証デバイスは、
前記第一のデータパスの中の第一のポートに関連付けられた第一のHigh−Definition Content Protection(HDCP)エンジンを含み、前記第一のHDCPエンジンは第二のHDCPエンジンに連結され、
前記第二のHDCPエンジンは第二のデータパスの中の複数のポートに関連付けられ、前記複数のポートの各々は、前記複数のポートの各々に関する状態情報を有するメモリパイプに関連付けられ、前記状態情報は前記受信デバイスの事前認証に使用されるシステム。 - 前記第二のHDCPエンジンは、前記複数のポートの各々に関する状態情報を生成して、前記状態情報をメモリパイプに保存し、各メモリパイプは前記複数のポートの1つのポートに対応する、請求項15に記載のシステム。
- 前記第二のHDCPエンジンは、前記第二のHDCPエンジンによって時分割多重式に前記複数のポートを同期させ、同期は前記複数のポートのRi同期または垂直鍵変更を含む、請求項15に記載のシステム。
- 前記第一のHDCPエンジンは、前記第一のHDCPエンジンによって前記第一のポートを画素解読する、請求項15に記載のシステム。
- 前記第一のエンジンはメインHDCPエンジンを含み、前記第一のデータパスはメインデータパスを含む、請求項15に記載のシステム。
- 前記第二のエンジンは移動HDCPエンジンを含み、前記第二のデータパスは移動データパスを含む、請求項15に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/351,698 | 2009-01-09 | ||
US12/351,698 US8374346B2 (en) | 2009-01-09 | 2009-01-09 | Method, apparatus, and system for pre-authentication and keep-authentication of content protected ports |
PCT/US2009/069870 WO2010080681A1 (en) | 2009-01-09 | 2009-12-30 | Method, apparatus and system for pre-authentication and keep-authentication of content protected ports |
Publications (3)
Publication Number | Publication Date |
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JP2012514940A true JP2012514940A (ja) | 2012-06-28 |
JP2012514940A5 JP2012514940A5 (ja) | 2013-02-07 |
JP5613175B2 JP5613175B2 (ja) | 2014-10-22 |
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JP2011545372A Active JP5613175B2 (ja) | 2009-01-09 | 2009-12-30 | コンテンツ保護ポートの事前認証と認証維持のための方法、装置およびシステム |
Country Status (7)
Country | Link |
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US (1) | US8374346B2 (ja) |
EP (1) | EP2386166B1 (ja) |
JP (1) | JP5613175B2 (ja) |
KR (1) | KR101483536B1 (ja) |
CN (1) | CN102273218B (ja) |
TW (1) | TWI492630B (ja) |
WO (1) | WO2010080681A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8644504B2 (en) * | 2008-02-28 | 2014-02-04 | Silicon Image, Inc. | Method, apparatus, and system for deciphering media content stream |
US8185739B2 (en) * | 2009-01-09 | 2012-05-22 | Silicon Image, Inc. | Method and system for detecting successful authentication of multiple ports in a time-based roving architecture |
US20110013772A1 (en) * | 2009-07-20 | 2011-01-20 | Transwitch Corporation | Method and Apparatus for Fast Switching Between Source Multimedia Devices |
US8832844B2 (en) * | 2009-12-04 | 2014-09-09 | Parade Technologies, Ltd. | Fast switching for multimedia interface system having content protection |
US20110157473A1 (en) * | 2009-12-30 | 2011-06-30 | Hoon Choi | Method, apparatus, and system for simultaneously previewing contents from multiple protected sources |
US9449500B2 (en) * | 2012-08-08 | 2016-09-20 | Universal Electronics Inc. | System and method for optimized appliance control |
US8713316B2 (en) | 2011-12-13 | 2014-04-29 | Crestron Electronics Inc. | System, apparatus and method for enabling/disabling display data channel access to enable/disable high-bandwidth digital content protection |
US8681977B2 (en) * | 2011-12-13 | 2014-03-25 | Crestron Electronics Inc. | Enabling/disabling display data channel access to enable/ disable high-bandwidth digital content protection |
US9462308B2 (en) | 2013-10-17 | 2016-10-04 | Crestron Electronics Inc. | Audiovisual distribution network |
US9571473B2 (en) | 2014-04-14 | 2017-02-14 | Synopsys, Inc. | Early content engine receiver synchronization |
WO2015159121A1 (en) * | 2014-04-14 | 2015-10-22 | Elliptic Technologies Inc. | Early content engine receiver synchronization |
US9432345B2 (en) * | 2014-05-16 | 2016-08-30 | Lattice Semiconductor Corporation | Authentication engine and stream cipher engine sharing in digital content protection architectures |
TWI554113B (zh) * | 2015-01-27 | 2016-10-11 | 宏正自動科技股份有限公司 | 影像切換器及其切換方法 |
US10051309B2 (en) * | 2015-04-01 | 2018-08-14 | Lattice Semiconductor Corporation | Port processor capable of performing authentication for multiple source devices |
CN111770294B (zh) * | 2019-03-29 | 2022-10-28 | 瑞昱半导体股份有限公司 | 用于高分辨率多媒体接口的接收电路及信号处理方法 |
US11503008B1 (en) * | 2022-03-24 | 2022-11-15 | Uab 360 It | Protecting against network vulnerabilities |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009108819A1 (en) * | 2008-02-28 | 2009-09-03 | Silicon Image, Inc | Method, apparatus and system for deciphering media content stream |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7283566B2 (en) * | 2002-06-14 | 2007-10-16 | Silicon Image, Inc. | Method and circuit for generating time stamp data from an embedded-clock audio data stream and a video clock |
US20050144468A1 (en) * | 2003-01-13 | 2005-06-30 | Northcutt J. D. | Method and apparatus for content protection in a personal digital network environment |
US7412053B1 (en) * | 2002-10-10 | 2008-08-12 | Silicon Image, Inc. | Cryptographic device with stored key data and method for using stored key data to perform an authentication exchange or self test |
US7568110B2 (en) * | 2002-12-18 | 2009-07-28 | Broadcom Corporation | Cryptography accelerator interface decoupling from cryptography processing cores |
US7398547B2 (en) * | 2004-01-13 | 2008-07-08 | Pace Plc. | High-bandwidth digital content protection during rapid channel changing |
US20060269056A1 (en) * | 2005-05-19 | 2006-11-30 | Bruce Montag | Messaging interface for protected digital outputs |
US7856104B2 (en) * | 2007-02-05 | 2010-12-21 | Sony Corporation | System and method for ensuring secure communication between TV and set back box |
KR101508703B1 (ko) * | 2006-11-24 | 2015-04-08 | 삼성전자주식회사 | 디지털 컨텐츠 인증 시스템 그리고 그에 적용되는영상표시장치 및 그의 디지털 컨텐츠 인증 제어 방법 |
US20080159532A1 (en) * | 2006-12-29 | 2008-07-03 | Verma Rohit R | Architecture for supporting high definition content protection decryption over high definition multimedia interface links |
JP4289397B2 (ja) * | 2007-01-04 | 2009-07-01 | 船井電機株式会社 | 受信装置 |
JP2008306232A (ja) * | 2007-06-05 | 2008-12-18 | Funai Electric Co Ltd | 映像受信装置及び放送受信装置 |
US8259949B2 (en) * | 2008-05-27 | 2012-09-04 | Intel Corporation | Methods and apparatus for protecting digital content |
-
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- 2009-01-09 US US12/351,698 patent/US8374346B2/en active Active
- 2009-12-30 EP EP09802089.4A patent/EP2386166B1/en active Active
- 2009-12-30 KR KR1020117018519A patent/KR101483536B1/ko active IP Right Grant
- 2009-12-30 WO PCT/US2009/069870 patent/WO2010080681A1/en active Application Filing
- 2009-12-30 JP JP2011545372A patent/JP5613175B2/ja active Active
- 2009-12-30 CN CN200980154467.9A patent/CN102273218B/zh active Active
- 2009-12-31 TW TW098146456A patent/TWI492630B/zh active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009108819A1 (en) * | 2008-02-28 | 2009-09-03 | Silicon Image, Inc | Method, apparatus and system for deciphering media content stream |
WO2009108818A1 (en) * | 2008-02-28 | 2009-09-03 | Silicon Image, Inc. | Method, apparatus and system for pre-authentication and processing of data streams |
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Publication number | Publication date |
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TW201112758A (en) | 2011-04-01 |
US8374346B2 (en) | 2013-02-12 |
KR101483536B1 (ko) | 2015-01-16 |
TWI492630B (zh) | 2015-07-11 |
CN102273218A (zh) | 2011-12-07 |
JP5613175B2 (ja) | 2014-10-22 |
WO2010080681A1 (en) | 2010-07-15 |
US20100177892A1 (en) | 2010-07-15 |
CN102273218B (zh) | 2014-07-23 |
EP2386166B1 (en) | 2017-02-15 |
EP2386166A1 (en) | 2011-11-16 |
KR20110113627A (ko) | 2011-10-17 |
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