JP2005056418A - ドキュメント・コンポーネント用セキュリティ・コンテナ - Google Patents
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- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
- H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
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- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
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Abstract
ドキュメント・コンポーネント(及び他のコンポーネント・メタデータ)をカプセル化した「セキュリティ・コンテナ」を使ってドキュメント・コンポーネントを保護又は制御する方法、システム、コンピュータ・プログラム、及びビジネス方法を提供する。
【解決手段】
「セキュリティ・コンテナ」は、制御されるべきコンポーネント(即ち、ドキュメント)を複合ドキュメントのような高レベル構成体内にカプセル化する。セキュリティ・コンテナはまた、カプセル化されたコンポーネントと相互対話するためのルールと、権限を与えられた要求者に対してコンポーネント及びルールを復号化するために使用可能な1つ又は複数の暗号化キーを含む。
【選択図】 図1
Description
Claims (28)
- ドキュメント・コンポーネントを保護するセキュリティ・コンテナであって、前記ドキュメント・コンポーネントと、前記ドキュメント・コンポーネントにおける動作を制御するための条件付きロジックと、前記ドキュメント・コンポーネントに対するアクセスを制御するために使用可能なキー配布情報と、を前記セキュリティ・コンテナ内にカプセル化することによって前記ドキュメント・コンポーネントを保護するセキュリティ・コンテナ。
- 前記セキュリティ・コンテナが高レベル・ドキュメントの部分を保護する、請求項1に記載のセキュリティ・コンテナ。
- 前記高レベルドキュメントが、セキュリティ・コンテナによって複数の部分を保護される、請求項2に記載のセキュリティ・コンテナ。
- セキュリティ・コンテナを使用してドキュメント・コンテンツを保護する方法であって、ドキュメント・コンポーネントと、前記ドキュメント・コンポーネントにおける動作を制御するための条件付きロジックと、前記ドキュメント・コンポーネントに対するアクセスを制御するために使用可能なキー配布情報と、を前記セキュリティ・コンテナ内にカプセル化するステップ、を含む方法。
- 前記キー配布情報が、前記ドキュメント・コンポーネントをアクセスする権限を与えられた1つ又は複数のユーザ及び/又はプロセスの識別情報を更に含む、請求項4に記載の方法。
- 前記キー配布情報が、前記セキュリティ・コンテナ内にカプセル化された前記ドキュメント・コンポーネントと前記条件付きロジックの両方、を暗号化した対称キーを更に含み、前記対称キーが、前記権限を与えられたユーザ及び/又はプロセスによる復号化のために暗号化形式で格納される、請求項5に記載の方法。
- 前記対称キーの前記暗号化形式が、別個の各ユーザ、プロセス、ユーザのグループ、又はプロセスのグループに対する前記対称キーの別バージョンを含み、前記別バージョンが、対応する別個のユーザ、プロセス、ユーザのグループ、又はプロセスのグループと関連した公開キーでもって暗号化されている、請求項6に記載の方法。
- 前記権限を与えられたユーザ及び/又は前記権限を与えられたプロセスが個々に又はグループとして指定される、請求項5に記載の方法。
- 前記条件付きロジックが更に、前記ドキュメント・コンポーネントに対するアクセスを制御する、請求項4に記載の方法。
- 前記キー配布情報が更に、前記条件付きロジックに対するアクセスを制御する、請求項9に記載の方法。
- 前記ドキュメント・コンポーネント及び前記条件付きロジックが、前記セキュリティ・コンテナ内におけるカプセル化の前に暗号化される、請求項4に記載の方法。
- 前記セキュリティ・コンテナが、構造化ドキュメント・フォーマットでエンコードされる、請求項4に記載の方法。
- 前記構造化ドキュメント・フォーマットが拡張可能マークアップ言語(XML)フォーマットである、請求項12に記載の方法。
- 前記1つ又は複数のユーザ及び/又はプロセスの前記識別情報が少なくとも1つのグループの識別情報を含み、前記グループが1つ又は複数のユーザ及び/又はプロセスをメンバとして有する、請求項5に記載の方法。
- 前記ドキュメント・コンポーネントにアクセスするための要求を受け取ったときに、前記メンバが動的に決定される、請求項14に記載の方法。
- 前記動的な決定が、前記グループの前記メンバを識別することが行われるリポジトリ、をアクセスすることを更に含む、請求項15に記載の方法。
- 前記ドキュメント・コンポーネントをアクセスするための要求を要求者から受け取るステップと、
前記要求者が前記ドキュメント・コンポーネントをアクセスする権限を与えられているかどうかを、前記キー配布情報を使用してプログラム的に決定するステップと、
前記プログラム的に決定するステップが肯定的な結果を有するとき、条件付きロジックを使用して、前記要求が許可されるかどうかをプログラム的に評価し、前記プログラム的に決定するステップが否定的な結果を有するとき、前記要求を拒否するステップと、
を更に含む、請求項4に記載の方法。 - 前記条件付きロジックが、前記要求者の身元識別情報、前記要求者によって使用されるデバイス、前記要求者のコンテキスト、前記要求者によって使用されるアプリケーションのゾーン、前記要求者のユーザ・プロファイル、及び前記要求者のターゲット宛先、のうちの少なくとも1つを評価する、請求項17に記載の方法。
- 1つ又は複数のコンピュータ可読媒体に組み込まれ、セキュリティ・コンテナを使用してドキュメント・コンテンツを保護するための、コンピュータ・プログラムであって、
ドキュメント・コンテンツをアクセスするための要求を要求者から受け取るためのコンピュータ可読プログラム・コード手段であって、前記ドキュメント・コンテンツが、ドキュメント・コンポーネントにおける動作を制御するための条件付きロジック、及び前記ドキュメント・コンポーネントに対するアクセスを制御するために使用可能なキー配布情報、と共にセキュリティ・コンテナ内に前記ドキュメント・コンポーネントとしてカプセル化される、コンピュータ可読プログラム・コード手段と、
前記要求者が前記ドキュメント・コンポーネントをアクセスする権限を与えられているかどうかを、前記キー配布情報を使用してプログラム的に決定するためのコンピュータ可読プログラム・コード手段と、
前記プログラム的に決定するためのコンピュータ可読プログラム・コード手段の動作が肯定的な結果を生じるときは、前記条件付きロジックを使用して、前記要求が許可され得るかどうかをプログラム的に評価するための、また、前記プログラム的に決定するためのコンピュータ可読プログラム・コード手段が否定的な結果を生じるときは、前記要求を拒否するための、コンピュータ可読プログラム・コード手段と、
を含む、コンピュータ・プログラム。 - セキュリティ・コンテナを使用してドキュメント・コンテンツを保護するためのシステムであって、
ドキュメント・コンポーネント、前記ドキュメント・コンポーネントにおける動作を制御するための条件付きロジック、及び前記ドキュメント・コンポーネントに対するアクセスを制御するために使用可能なキー配布情報、をカプセル化するセキュリティ・コンテナと、
前記ドキュメント・コンポーネントをアクセスするための要求を要求者から受け取るための手段と、
前記要求者が前記ドキュメント・コンポーネントをアクセスする権限を与えられているかどうかを、前記キー配布情報を使用してプログラム的に決定するための手段と、
前記プログラム的に決定するための手段の動作が肯定的な結果を生じるときは、前記条件付きロジックを使用して、前記要求が許可され得るかどうかをプログラム的に評価するための、また、前記プログラム的に決定するための手段の動作が否定的な結果を生じるときは、前記要求を拒否するための、手段と、
を含むシステム。 - 前記セキュリティ・コンテナがドキュメント内に組み込まれる、請求項20に記載のシステム。
- 前記セキュリティ・コンテナがシステム・クリップボード上で前記ドキュメント・コンポーネントをカプセル化する、請求項20に記載のシステム。
- 前記セキュリティ・コンテナがユーザ・インターフェース上に配置される、請求項20に記載のシステム。
- 前記セキュリティ・コンテナが、プロセス間通信を使用して前記ドキュメント・コンポーネントを交換のためにカプセル化する、請求項20に記載のシステム。
- 前記セキュリティ・コンテナが、メッセージング・システムを使用して前記ドキュメント・コンポーネントを交換のためにカプセル化する、請求項20に記載のシステム。
- 前記ドキュメント・コンポーネントをターゲット宛先にコピーするための手段を更に含み、前記コピーするための手段が、前記ドキュメント・コンポーネントをコピーするために前記セキュリティ・コンテナ全体をコピーする、請求項20に記載のシステム。
- セキュリティ・コンテナを使用してドキュメント・コンテンツを保護するための方法であって、
ドキュメント・コンテンツをアクセスするための要求を要求者から受け取るステップであって、前記ドキュメント・コンテンツが、ドキュメント・コンポーネントにおける動作を制御するための条件付きロジック及び前記ドキュメント・コンポーネントに対するアクセスを制御するために使用可能なキー配布情報、と共にセキュリティ・コンテナ内に前記ドキュメント・コンポーネントとしてカプセル化される、ステップと、
前記要求者が前記ドキュメント・コンポーネントをアクセスする権限を与えられているかどうかを、前記キー配布情報を使用してプログラム的に決定するステップと、
前記プログラム的に決定するステップが肯定的な結果を有するときは、前記条件付きロジックを使用して、前記要求が許可され得るかどうかをプログラム的に評価し、また、前記プログラム的に決定するステップが否定的な結果を有するときは、前記要求を拒否する、ステップと
前記受け取るステップ、プログラム的に決定するステップ、及びプログラム的に評価するステップのうちの1つ又は複数を実行するための料金を課するステップと、
を含む方法。 - セキュリティ・コンテナを使用してドキュメント・コンテンツを保護するための方法であって、
ドキュメント・コンテンツをアクセスするための要求を要求者から受け取るステップであって、前記ドキュメント・コンテンツが、ドキュメント・コンポーネントにおける動作を制御するための条件付きロジック及び前記ドキュメント・コンポーネントに対するアクセスを制御するために使用可能なキー配布情報、と共にセキュリティ・コンテナ内に前記ドキュメント・コンポーネントとしてカプセル化される、ステップと、
前記要求者が前記ドキュメント・コンポーネントをアクセスする権限を与えられているかどうかを、前記キー配布情報を使用してプログラム的に決定するステップと、
前記プログラム的に決定するステップが肯定的な結果を有するときは、前記条件付きロジックを使用して、前記要求が許可され得るかどうかをプログラム的に評価し、また、前記プログラム的に決定するステップが否定的な結果を有するときは、前記要求を拒否する、ステップと、
前記プログラム的に評価するステップが、前記要求が許可され得ると決定するとき、前記要求者に料金を課するステップと、
を含む方法。
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US20050039034A1 (en) | 2005-02-17 |
US7685645B2 (en) | 2010-03-23 |
US20080215897A1 (en) | 2008-09-04 |
US7515717B2 (en) | 2009-04-07 |
JP4575721B2 (ja) | 2010-11-04 |
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