JP2013541783A - 多ユーザ機密コードおよびデータを保護するためのアーキテクチャを含む方法および装置 - Google Patents
多ユーザ機密コードおよびデータを保護するためのアーキテクチャを含む方法および装置 Download PDFInfo
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Abstract
【選択図】図1B
Description
Claims (22)
- 別個のプログラムコードまたはデータの複数のインスタンスのためのセキュアな実行環境を提供するための方法であって、
別個のコードまたはデータの複数のインスタンスを、ホストプロセッサからセキュアな資産管理ユニット(SAMU)へ暗号化フォーマットでオフロードして、前記別個のコードまたはデータの複数のインスタンスの機密性を認証および維持するステップ、
を含む、方法。 - 前記オフロードするステップは、前記別個のコードまたはデータの複数のインスタンスの各インスタンスについて、署名ツール内で生成されたランダム鍵によって暗号化2値ブート画像を生成するステップを含む、請求項1に記載の方法。
- 前記暗号化2値ブート画像は、前記SAMUのために暗号化され、前記SAMU用のセキュアなカーネルおよびセキュアなアプリケーションとして提供される、請求項2に記載の方法。
- ユーザは、前記暗号化2値ブート画像をインストールし、前記暗号化2値ブート画像をオンデマンドで前記SAMUに提供する、請求項3に記載の方法。
- 前記暗号化2値ブート画像をインテグリティについて有効化した後に、前記SAMUと共に用いられる復号化鍵を、ブートリードオンリーメモリ(ROM)を用いて構成するステップ、
をさらに含む、請求項4に記載の方法。 - 前記SAMUと共に用いられる復号化鍵を、前記ブートROMによって生成するステップと、
肯定的な有効化に応じて、前記暗号化2値ブート画像に制御を送るステップと、
をさらに含む、請求項5に記載の方法。 - 肯定的な有効化および前記セキュアなカーネルの実行後に、コンテンツへのアクセスを提供するためのアプリケーションは、前記SAMUハードウェアの利用可能性を検出し、前記セキュアなカーネルは、前記アプリケーションについてのコンテクストを生成して、前記アプリケーションのインテグリティを有効化する、請求項6に記載の方法。
- 前記アプリケーション用の前記別個のコードまたはデータの複数のインスタンスの各々のコード復号化鍵は、カーネル画像と共に生成されたコンテクストと共に用いられる肯定的な有効化に応じて、前記セキュアなカーネルによって復元される、請求項7に記載の方法。
- 前記別個のコードまたはデータの複数のインスタンスの各々の前記セキュアなカーネルにおいて、前記カーネル画像の肯定的な有効化に応じて、前記アプリケーション用のデータ暗号鍵をランダムに生成するステップ、
をさらに含む、請求項8に記載の方法。 - 有効化が否定的な場合にはSAMUサービスがさらされず、前記アプリケーションはソフトウェアベースの保護スキームに戻る、請求項5に記載の方法。
- 別個のプログラムコードまたはデータの複数のインスタンスのためのセキュアな実行ユニットを提供するためのシステムであって、
コードまたはデータを含む複数のアプリケーションを実行するように構成されたホストプロセッサと、
プログラムコードを実行するように構成されたセキュアな資産管理ユニット(SAMU)であって、前記ホストプロセッサに接続されており、別個のコードまたはデータの複数のインスタンスを、前記ホストプロセッサから暗号化フォーマットでオフロードして、前記別個のコードまたはデータの複数のインスタンスの機密性を認証および維持するように構成されている、セキュアな資産管理ユニット(SAMU)と、
を含む、システム。 - 前記SAMUは、前記別個のコードまたはデータの複数のインスタンスをオフロードすることの一部として、署名ツール内で生成されたランダム鍵によって暗号化2値ブート画像を生成するように構成されている、請求項11に記載のシステム。
- 前記暗号化2値ブート画像は、前記SAMUのために暗号化され、SAMUのためのセキュアなカーネルおよびセキュアなアプリケーションとして提供される、請求項12に記載のシステム。
- ユーザは、前記暗号化2値ブート画像をインストールし、前記暗号化2値ブート画像を前記SAMUへオンデマンドで提供する、請求項12に記載のシステム。
- 前記SAMUは、前記暗号化2値ブート画像をインテグリティについて有効化した後、前記SAMUと共に用いられる復号化鍵をブートリードオンリーメモリ(ROM)を用いて構成するようにさらに構成されている、請求項14に記載のシステム。
- 前記ブートROMは、前記SAMUと共に用いられる復号化鍵の生成と、肯定的な有効化に応じて前記暗号化2値ブート画像への制御送りとを行うようにさらに構成されている、請求項15に記載のシステム。
- 肯定的な有効化および前記セキュアなカーネルの実行の後に、コンテンツへのアクセスを提供するためのアプリケーションは、前記SAMUハードウェアの利用可能性を検出し、前記セキュアなカーネルは、前記アプリケーションのためのコンテクストを生成して、前記アプリケーションのインテグリティを有効化する、請求項16に記載のシステム。
- 前記アプリケーションのための前記別個のコードまたはデータの複数のインスタンスの各々に対するコード復号化鍵は、カーネル画像と共に生成された前記コンテクストと共に用いられる肯定的な有効化に応じて、前記セキュアなカーネルによって回復される、請求項17に記載のシステム。
- 前記カーネル画像の肯定的な有効化に応じて、前記別個のコードまたはデータの複数のインスタンスの各々の前記セキュアなカーネルにおいて、前記アプリケーション用のデータ暗号鍵をランダムに生成するように構成されている、請求項18に記載のシステム。
- 有効化が否定的な場合、SAMUサービスはさらされず、前記アプリケーションは認証のためにソフトウェアベースの保護スキームに後退する、請求項16に記載のシステム。
- 1つ以上のプロセッサによって実行される1組の命令を記憶する、コンピュータで読み出し可能な記憶媒体であって、前記1組の命令は、セキュアな資産管理ユニット(SAMU)の製造を容易にするためのものであり、前記SAMUは、
プログラムコードを実行することと、
別個のコードまたはデータの複数のインスタンスを、暗号化フォーマットでプロセッサからオフロードして、前記別個のコードまたはデータの複数のインスタンスの機密性を認証および維持することと、
を行うように構成されている、
コンピュータで読み出し可能な記憶媒体。 - 前記命令はハードウェア記述言語(HDL)命令であり、デバイスの製造に用いられる、請求項21に記載のコンピュータで読み出し可能な記憶媒体。
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US40504510P | 2010-10-20 | 2010-10-20 | |
US40505410P | 2010-10-20 | 2010-10-20 | |
US61/405,045 | 2010-10-20 | ||
US61/405,054 | 2010-10-20 | ||
US12/964,278 US8904190B2 (en) | 2010-10-20 | 2010-12-09 | Method and apparatus including architecture for protecting sensitive code and data |
US12/964,278 | 2010-12-09 | ||
US12/975,555 | 2010-12-22 | ||
US12/975,555 US8489898B2 (en) | 2010-10-20 | 2010-12-22 | Method and apparatus for including architecture for protecting multi-user sensitive code and data |
PCT/US2011/056902 WO2012054615A1 (en) | 2010-10-20 | 2011-10-19 | Method and apparatus including architecture for protecting multi-user sensitive code and data |
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JP2013541783A true JP2013541783A (ja) | 2013-11-14 |
JP2013541783A5 JP2013541783A5 (ja) | 2014-03-27 |
JP5537742B2 JP5537742B2 (ja) | 2014-07-02 |
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JP2013535042A Active JP5670578B2 (ja) | 2010-10-20 | 2011-10-19 | 機密コードおよびデータを保護するためのアーキテクチャを含む方法および装置 |
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KR (2) | KR101397637B1 (ja) |
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