JP4999191B2 - セキュア情報格納システム及び方法 - Google Patents
セキュア情報格納システム及び方法 Download PDFInfo
- Publication number
- JP4999191B2 JP4999191B2 JP2008268873A JP2008268873A JP4999191B2 JP 4999191 B2 JP4999191 B2 JP 4999191B2 JP 2008268873 A JP2008268873 A JP 2008268873A JP 2008268873 A JP2008268873 A JP 2008268873A JP 4999191 B2 JP4999191 B2 JP 4999191B2
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- JP
- Japan
- Prior art keywords
- secure
- key
- content protection
- definition content
- protection key
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- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Description
111 情報処理コンポーネント
112 暗号化処理コンポーネント
113 セキュア格納コンポーネント
120 セキュアグラフィックス処理装置
121 復号コンポーネント
122 画素処理コンポーネント
123 暗号化処理コンポーネント
124 セキュア格納コンポーネント
125 専用HDCPレジスタ
202 メインメモリ
203 チップセット
204 取り外し可能データ記憶装置
205 サウスブリッジ
207 入力装置
208 信号通信ポート
209 ノースブリッジ
210 グラフィックスサブシステム
211 グラフィックスプロセッサ
215 バッファ
220 ディスプレイ
Claims (12)
- グラフィックスプロセッサのセキュア処理コンポーネントが、高精細度コンテンツ保護キーを管理するセキュア管理方法であって、
高精細度コンテンツ保護キー値をレジスタから受け取るステップと、
外部ポートを介してアクセスすることのできないセキュアキー値を用いて前記高精細度コンテンツ保護キーを暗号化するステップと、
前記暗号化の結果をメモリに格納するステップと、を含み、
前記高精細度コンテンツ保護キーは、外部ポートを介してアクセスすることができず、
前記セキュアキーが前記グラフィックスプロセッサに対して固有のものであり、前記高精細度コンテンツ保護キーが前記グラフィックスプロセッサに対して固有のものである、
高精細度コンテンツ保護キーのセキュア管理方法。 - 前記セキュアキー値がプロセッサのヒューズに焼き付けられている、請求項1に記載の高精細度コンテンツ保護キーのセキュア管理方法。
- 前記メモリがBIOS ROMメモリである、請求項1に記載の高精細度コンテンツ保護キーのセキュア管理方法。
- 前記メモリがフラッシュメモリである、請求項1に記載の高精細度コンテンツ保護キーのセキュア管理方法。
- 前記メモリから前記結果を取り出すステップと、
前記結果を暗号化解除して、前記高精細度コンテンツ保護キーを再度取得するステップと、
前記高精細度コンテンツ保護キーを用いて高精細度コンテンツを暗号化するステップと、
前記高精細度コンテンツ保護キーの暗号化の結果を転送するステップとをさらに含む、請求項1に記載の高精細度コンテンツ保護キーのセキュア管理方法。 - 処理装置であって、
非暗号化情報処理を行う情報処理コンポーネントと、
前記非暗号化情報を保護するセキュア処理コンポーネントと、
前記セキュア処理コンポーネントによって利用されるセキュリティ制御情報で、前記処理装置の外部ポートを介してアクセスすることのできない前記セキュリティ制御情報を格納するセキュア格納コンポーネントと、を備え、
前記セキュリティ制御情報は、セキュアキーと高精細度コンテンツ保護キーとを含み、
前記セキュアキーと前記高精細度コンテンツ保護キーは、前記処理装置の外部ポートを介してアクセスすることができず、
前記セキュアキーが処理装置に対して固有のものであり、前記高精細度コンテンツ保護キーが前記処理装置に対して固有のものであり、
前記セキュア処理コンポーネントは、前記セキュアキーを用いて前記高精細度コンテンツ保護キーを暗号化して、暗号化の結果をメモリに格納する、
処理装置。 - 前記セキュア格納コンポーネントが、プログラムされたヒューズを含む、請求項6に記載の処理装置。
- グラフィックス処理装置である、請求項6に記載の処理装置。
- 入力情報を復号する復号処理コンポーネントをさらに備える、請求項8に記載の処理装置。
- 前記情報処理コンポーネントが画素処理コンポーネントを含む、請求項9に記載の処理装置。
- 前記セキュア処理コンポーネントが高精細度コンテンツ保護キーのセキュアバージョンを生成する、請求項8に記載の処理装置。
- 前記高精細度コンテンツ保護キーが前記セキュアキーを用いて暗号化され、ネットワークを介して受け取られる、請求項11に記載の処理装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/998,256 | 2007-11-28 | ||
US11/998,256 US9069990B2 (en) | 2007-11-28 | 2007-11-28 | Secure information storage system and method |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009135905A JP2009135905A (ja) | 2009-06-18 |
JP4999191B2 true JP4999191B2 (ja) | 2012-08-15 |
Family
ID=40669732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008268873A Expired - Fee Related JP4999191B2 (ja) | 2007-11-28 | 2008-10-17 | セキュア情報格納システム及び方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9069990B2 (ja) |
JP (1) | JP4999191B2 (ja) |
KR (2) | KR20090055503A (ja) |
CN (2) | CN101448127B (ja) |
TW (1) | TW200929985A (ja) |
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ES2615815B1 (es) * | 2015-06-08 | 2017-12-01 | Conectate Soluciones Y Aplicaciones, S.L.U. | Procedimiento de registro unificado e identificación de donantes de sangre |
US11627468B2 (en) * | 2020-02-03 | 2023-04-11 | Dell Products L.P. | Connecting securely to a wireless display from BIOS |
CN114124364B (zh) * | 2020-08-27 | 2024-05-24 | 国民技术股份有限公司 | 密钥安全处理方法、装置、设备及计算机可读存储介质 |
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-
2007
- 2007-11-28 US US11/998,256 patent/US9069990B2/en active Active
-
2008
- 2008-10-17 JP JP2008268873A patent/JP4999191B2/ja not_active Expired - Fee Related
- 2008-11-12 CN CN2008101718625A patent/CN101448127B/zh not_active Expired - Fee Related
- 2008-11-12 CN CN2013103082672A patent/CN103401677A/zh active Pending
- 2008-11-24 TW TW097145331A patent/TW200929985A/zh unknown
- 2008-11-27 KR KR1020080118988A patent/KR20090055503A/ko not_active Application Discontinuation
-
2010
- 2010-08-30 KR KR1020100083861A patent/KR20100112102A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
KR20100112102A (ko) | 2010-10-18 |
CN103401677A (zh) | 2013-11-20 |
CN101448127B (zh) | 2013-08-21 |
US20090136041A1 (en) | 2009-05-28 |
TW200929985A (en) | 2009-07-01 |
KR20090055503A (ko) | 2009-06-02 |
JP2009135905A (ja) | 2009-06-18 |
CN101448127A (zh) | 2009-06-03 |
US9069990B2 (en) | 2015-06-30 |
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