JP5623426B2 - 時間ベース移動アーキテクチャにおける複数のポートの認証の成功を検出する方法とシステム - Google Patents
時間ベース移動アーキテクチャにおける複数のポートの認証の成功を検出する方法とシステム Download PDFInfo
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- JP5623426B2 JP5623426B2 JP2011545373A JP2011545373A JP5623426B2 JP 5623426 B2 JP5623426 B2 JP 5623426B2 JP 2011545373 A JP2011545373 A JP 2011545373A JP 2011545373 A JP2011545373 A JP 2011545373A JP 5623426 B2 JP5623426 B2 JP 5623426B2
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- 238000001514 detection method Methods 0.000 claims description 4
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- 102100039497 Choline transporter-like protein 3 Human genes 0.000 description 20
- 101000889279 Homo sapiens Choline transporter-like protein 3 Proteins 0.000 description 20
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- 238000010586 diagram Methods 0.000 description 9
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- 230000001360 synchronised effect Effects 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
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- 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
-
- 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)
Description
Claims (9)
- High−bandwidth Digital Content Protection(HDCP)送信デバイスを、時間ベース移動アーキテクチャを有するHDCP受信デバイスの複数のポートのうちの第一のポートで認証するステップであって、
前記時間ベース移動アーキテクチャは、
前記複数のポートのうちの1つのポートに接続されるメインパイプと、
前記複数のポートのうち前記メインパイプと接続されないポートを順次移動する移動パイプと、
各々が、前記複数のポートの中で互いに異なる各ポートと、前記メインパイプと、前記移動パイプとにそれぞれ接続される複数のHDCPエンジンと、
を備える、前記認証するステップと、
前記HDCP受信デバイスの前記第一のポートを前記HDCP受信デバイスの前記時間ベース移動アーキテクチャの前記メインパイプ又は前記移動パイプに接続するステップであって、前記第一のポートは、第一の時点で、前記HDCP受信デバイスの前記時間ベース移動アーキテクチャの前記メインパイプ又は前記移動パイプによって選択されるステップと、
前記HDCP受信デバイスの前記第一のポートで前記HDCP送信デバイスからの暗号化同期信号を受信するステップと、
前記第一の時点と前記HDCP送信デバイスからの同期信号を受信する第二の時点との間の期間が、前記HDCP送信デバイスから送信される連続する同期信号間の期間より大きくないとき、前記HDCP送信デバイスと前記HDCP受信デバイスの間の同期外れを検出するステップと、
前記同期外れの検出に応答して、前記HDCP送信デバイスと前記HDCP受信デバイスの間の再認証を開始するステップと、
を含む方法。 - 前記第一のポートは、前記HDCP受信デバイスの前記時間ベース移動アーキテクチャの前記メインパイプによって選択される、請求項1に記載の方法。
- 前記第一のポートは、前記HDCP受信デバイスの前記時間ベース移動アーキテクチャの前記移動パイプによって選択される、請求項1に記載の方法。
- HDCP送信デバイスを認証する複数のポートのうちの第一のポートを含むHDCP受信デバイスを有する装置であって、
前記HDCP受信デバイスは、
前記複数のポートの1つと接続されるメインパイプと、
前記複数のポートのうち前記メインパイプと接続されないポートを順次移動する移動パイプと、
各々が、前記複数のポートの中で互いに異なる各ポートと、前記メインパイプと、前記移動パイプとにそれぞれ接続される複数のHDCPエンジンと、
を備える時間ベース移動アーキテクチャを有し、
前記時間ベース移動アーキテクチャは、前記HDCP受信デバイスの前記第一のポートを前記HDCP受信デバイスの前記時間ベース移動アーキテクチャの前記メインパイプ又は前記移動パイプに接続するように構成されており、前記第一のポートは、第一の時点で、前記HDCP受信デバイスの前記時間ベース移動アーキテクチャの前記メインパイプ又は前記移動パイプによって選択され、
前記第一のポートは前記HDCP送信デバイスからの暗号化同期信号を受信し、
前記HDCP受信デバイスは、前記第一の時点と第二の時点との間の期間が、前記HDCP送信デバイスから送信される連続する同期信号の間の期間より大きくないときに、前記HDCP送信デバイスと前記HDCP受信デバイスの間の同期外れを検出し、前記同期外れの検出に応答して、前記HDCP送信デバイスと前記HDCP受信デバイスの間の再認証を開始する同期検出器と、
を備える装置。 - 前記第一のポートは、前記HDCP受信デバイスの前記時間ベース移動アーキテクチャの前記メインパイプによって選択される、請求項4に記載の装置。
- 前記第一のポートは、前記HDCP受信デバイスの前記時間ベース移動アーキテクチャの前記移動パイプによって選択される、請求項4に記載の装置。
- 請求項4に記載された装置と、
前記装置のHDCP受信デバイスの第一のポートに連結されたHDCP送信デバイスであって、前記HDCP受信デバイスにデータストリームと連続する同期信号とを送信するHDCP送信デバイスと、
を備えるシステム。 - 前記第一のポートは、前記HDCP受信デバイスの前記時間ベース移動アーキテクチャの前記メインパイプによって選択される、請求項7に記載のシステム。
- 前記第一のポートは、前記HDCP受信デバイスの前記時間ベース移動アーキテクチャの前記移動パイプによって選択される、請求項7に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/351,712 US8185739B2 (en) | 2009-01-09 | 2009-01-09 | Method and system for detecting successful authentication of multiple ports in a time-based roving architecture |
US12/351,712 | 2009-01-09 | ||
PCT/US2009/069873 WO2010080682A1 (en) | 2009-01-09 | 2009-12-30 | Method and system for detecting successful authentication of multiple ports in a time-based roving architecture |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012514941A JP2012514941A (ja) | 2012-06-28 |
JP2012514941A5 JP2012514941A5 (ja) | 2013-02-21 |
JP5623426B2 true JP5623426B2 (ja) | 2014-11-12 |
Family
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JP2011545373A Active JP5623426B2 (ja) | 2009-01-09 | 2009-12-30 | 時間ベース移動アーキテクチャにおける複数のポートの認証の成功を検出する方法とシステム |
Country Status (7)
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---|---|
US (1) | US8185739B2 (ja) |
EP (1) | EP2384579B1 (ja) |
JP (1) | JP5623426B2 (ja) |
KR (1) | KR101483537B1 (ja) |
CN (1) | CN102273219B (ja) |
TW (1) | TWI482497B (ja) |
WO (1) | WO2010080682A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI449926B (zh) * | 2012-04-09 | 2014-08-21 | Wistron Corp | 傳輸介面及判斷傳輸訊號之方法 |
Family Cites Families (20)
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US5767784A (en) * | 1994-06-10 | 1998-06-16 | Delco Electronics Corporation | Initialization method for keyless entry system |
US6643781B1 (en) * | 1999-05-14 | 2003-11-04 | Sun Microsystems, Inc. | Method and apparatus for rendering stolen computing devices inoperable |
US6697490B1 (en) * | 1999-10-19 | 2004-02-24 | Lucent Technologies Inc. | Automatic resynchronization of crypto-sync information |
US7568110B2 (en) | 2002-12-18 | 2009-07-28 | Broadcom Corporation | Cryptography accelerator interface decoupling from cryptography processing cores |
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US8059673B2 (en) * | 2003-05-01 | 2011-11-15 | Genesis Microchip Inc. | Dynamic resource re-allocation in a packet based video display interface |
CN100444629C (zh) * | 2003-05-28 | 2008-12-17 | 松下电器产业株式会社 | 数字接口接收装置 |
US7613300B2 (en) * | 2003-09-26 | 2009-11-03 | Genesis Microchip Inc. | Content-protected digital link over a single signal line |
ATE491291T1 (de) * | 2004-01-30 | 2010-12-15 | Ericsson Telefon Ab L M | Paketablaufsteuerung zur datenstromübertragung |
US7369661B2 (en) * | 2004-01-30 | 2008-05-06 | Intel Corporation | Method and apparatus for detection of loss of cipher synchronization |
US8527755B2 (en) * | 2004-03-04 | 2013-09-03 | Sony Corporation | Methods and systems for effecting transmitter and receiver synchronization between a transmitter and a receiver of a transmitter/receiver network |
US20060269056A1 (en) * | 2005-05-19 | 2006-11-30 | Bruce Montag | Messaging interface for protected digital outputs |
KR100774172B1 (ko) * | 2005-12-02 | 2007-11-08 | 엘지전자 주식회사 | 영상기기 및 그의 제어 방법 |
TW200835303A (en) * | 2006-09-07 | 2008-08-16 | Avocent Huntsville Corp | Point-to-multipoint high definition multimedia transmitter and receiver |
JP4289397B2 (ja) | 2007-01-04 | 2009-07-01 | 船井電機株式会社 | 受信装置 |
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US8374346B2 (en) * | 2009-01-09 | 2013-02-12 | Silicon Image, Inc. | Method, apparatus, and system for pre-authentication and keep-authentication of content protected ports |
-
2009
- 2009-01-09 US US12/351,712 patent/US8185739B2/en active Active
- 2009-12-30 JP JP2011545373A patent/JP5623426B2/ja active Active
- 2009-12-30 CN CN200980154468.3A patent/CN102273219B/zh active Active
- 2009-12-30 EP EP09803982.9A patent/EP2384579B1/en active Active
- 2009-12-30 WO PCT/US2009/069873 patent/WO2010080682A1/en active Application Filing
- 2009-12-30 KR KR1020117018598A patent/KR101483537B1/ko active IP Right Grant
- 2009-12-31 TW TW098146450A patent/TWI482497B/zh active
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Publication number | Publication date |
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CN102273219A (zh) | 2011-12-07 |
EP2384579B1 (en) | 2013-07-17 |
US20100180115A1 (en) | 2010-07-15 |
EP2384579A1 (en) | 2011-11-09 |
KR20110107844A (ko) | 2011-10-04 |
TWI482497B (zh) | 2015-04-21 |
US8185739B2 (en) | 2012-05-22 |
TW201112757A (en) | 2011-04-01 |
CN102273219B (zh) | 2015-04-01 |
WO2010080682A1 (en) | 2010-07-15 |
KR101483537B1 (ko) | 2015-01-16 |
JP2012514941A (ja) | 2012-06-28 |
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