JP5965478B2 - ネットワークにおけるコンポーネントを認証するためのシステムおよび方法 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L49/00—Packet switching elements
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
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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
- H04L9/32—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
- H04L9/3234—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 additional secure or trusted devices, e.g. TPM, smartcard, USB or software token
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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
- H04L9/32—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
- H04L9/3271—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 using challenge-response
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Description
この特許文献の開示の一部には、著作権の保護対象となる資料が含まれている。著作権者は、特許商標庁の特許ファイルまたは記録に記載されたとおりのものについては、特許文献または特許の開示を他人が複製することに異議を唱えないが、他の点については、全ての著作権を確保している。
本発明は、概してコンピュータシステムに関し、特定的にはInfiniBand(IB)ネットワークを支持することに関する。
相互接続ネットワークは、スーパーコンピュータ、クラスタ、およびデータセンタの次世代において有益な役割を担っている。InfiniBand(IB)技術などの高性能ネットワーク技術は、高帯域および低レイテンシが重要な要件となる高性能ドメインにおいて、専用もしくは低性能ソリューションに取って代わるものとなっている。たとえば、IBのインストールは、ロスアラモス国立研究所(Los Alamos National Laboratory)のRoadrunner、テキサス先端算出センター(Texas Advanced Computing Center)のRanger、およびユーリヒ総合研究機構(Forschungszcntrum Juelich)のJuRoPaなどのスーパーコンピュータにおいて使用される。
InfiniBand(IB)ファブリックにおけるファブリックコンポーネントの信頼性を検証することができるシステムおよび方法がここに記載される。サブネットマネージャは、秘密キー/公開キーのペアを使用してファブリックコンポーネントを認証する役割を担う。サブネットマネージャは、IBファブリックにおけるファブリックコンポーネントに第1の暗号化されたメッセージをまず送ることができる。第1の暗号化されたメッセージはトークンを含み、ファブリックコンポーネントと関連付けられた公開キーを使用して暗号化される。そして、ファブリックコンポーネントは、ファブリックコンポーネントと関連付けられた公開キーを使用して第1の暗号化されたメッセージを復号化し、第2の暗号化されたメッセージをサブネットマネージャに返信することができる。最後に、サブネットマネージャは、第2の暗号化されたメッセージが正しい情報を含む場合にファブリックコンポーネントを認証することができる。
InfiniBand(IB)ネットワークなどの相互接続ネットワークにおける様々なコンポーネントの信頼性の検証を支持するシステムおよび方法がここに記載される。
IBアーキテクチャは、直列ポイントツーポイント技術である。IBネットワークもしくはサブネットの各々は、スイッチおよびポイントツーポイントリンクを使用して相互に接続されるホストのセットを含むことができる。単一のサブネットは、一万を超えるノードに拡張することができ、IBルータを使用して2つ以上のサブネットを相互接続させることができる。サブネット内のホストおよびスイッチは、ローカル識別子(LID)を使用してアドレスが指定される。たとえば、単一のサブネットは、49151個のユニキャストアドレスに限定され得る。
本発明の実施形態によれば、IBファブリックはそのコンポーネントの信頼性を常に検証することができる。サイトアドミニストレータは、システムにおける全てのHCAの安全なファームウェアの状態を追跡し続けることができ、全ての関連するHCAがセキュアモードで動作していることを簡単に信用することができる。さらに、信頼された個人によって正しいケーブル配線が確保される物理的に安全なデータセンタは、ファブリックにおける全てのコンポーネントの信頼性を保証することができる。加えて、サイト/ファブリックアドミニストレータは、帯域外管理インターフェイスが適切にパスワードで保護されていることを確実なものとすることができ、信用されるソフトウェアおよびファームウェアを信頼することができる。
発明の実施形態によれば、自動ファブリックコンポーネント認証処理は、秘密/公開キーのペアの使用に基づくことができる。
Claims (20)
- InfiniBand(IB)ファブリックにおけるファブリックコンポーネントの信頼性を検証する方法であって、
IBファブリックにおけるファブリックコンポーネントに第1の暗号化されたメッセージをサブネットマネージャを介して送信するステップを備え、前記第1の暗号化されたメッセージはトークンを含み、前記ファブリックコンポーネントと関連付けられた公開キーを使用して暗号化され、方法はさらに、
前記ファブリックコンポーネントに当該ファブリックコンポーネントと関連付けられた秘密キーを使用して前記第1の暗号化されたメッセージを復号化させ、前記サブネットマネージャへ第2の暗号化されたメッセージを送信させるステップと、
前記第2の暗号化されたメッセージが正しい情報を含む場合にサブネットマネージャを介して前記ファブリックコンポーネントを認証するステップとを備える、方法。 - 前記ファブリックコンポーネントをテナントに指定されたホストチャンネルアダプタ(HCA)ファームウェアまたはハイパーバイザ/OSとするステップをさらに備える、請求項1に記載の方法。
- 前記第1の暗号化されたメッセージに含まれる前記トークンをランダムバイトストリングとするステップをさらに備える、請求項1または2に記載の方法。
- 前記ファブリックコンポーネントに当該ファブリックコンポーネントと関連付けられた前記秘密キーを埋込型ファームウェアに隠させるステップをさらに備える、請求項1から3のいずれかに記載の方法。
- 前記ファブリックコンポーネントに当該ファブリックコンポーネントと関連付けられた前記秘密キーをタンパー防止不揮発性キー記憶部に記憶させるステップをさらに備える、請求項1から4のいずれかに記載の方法。
- 前記ファブリックコンポーネントと関連付けられた前記公開キーをレポジトリに記憶するステップをさらに備える、請求項1から5のいずれかに記載の方法。
- 前記サブネットマネージャと関連付けられた公開キーを前記第1の暗号化されたメッセージと併せて前記ファブリックコンポーネントに対して送信するステップをさらに備える、請求項1から6のいずれかに記載の方法。
- 前記ファブリックコンポーネントに前記サブネットマネージャと関連付けられた前記公開キーを使用して前記第2の暗号化されたメッセージを暗号化させるステップをさらに備える、請求項7に記載の方法。
- 前記サブネットマネージャと関連付けられた秘密キーを使用して前記第2の暗号化されたメッセージを当該サブネットマネージャを介して復号化するステップをさらに備える、請求項8に記載の方法。
- 前記第2の暗号化されたメッセージに関して前記サブネットマネージャに対して前記トークンが返信された場合にのみ前記ファブリックコンポーネントを認証するステップをさらに備える、請求項1から9のいずれかに記載の方法。
- InfiniBand(IB)ファブリックにおけるファブリックコンポーネントの信頼性を検証するためのシステムであって、
前記IBファブリックにおけるファブリックコンポーネントを認証する役割を担うサブネットマネージャを備え、
前記サブネットマネージャは、
前記IBファブリックにおける前記ファブリックコンポーネントに第1の暗号化されたメッセージを送信するように構成され、前記第1の暗号化されたメッセージはトークンを含み、前記ファブリックコンポーネントと関連付けられた公開キーを使用して暗号化され、前記サブネットマネージャはさらに、
前記ファブリックコンポーネントに当該ファブリックコンポーネントと関連付けられた秘密キーを使用して前記第1の暗号化されたメッセージを復号化させ、前記サブネットマネージャへ第2の暗号化されたメッセージを送信させ、
前記第2の暗号化されたメッセージが正しい情報を含む場合に前記ファブリックコンポーネントを認証するように構成される、システム。 - 前記ファブリックコンポーネントは、テナントに指定されたホストチャンネルアダプタ(HCA)ファームウェアまたはハイパーバイザ/OSである、請求項11に記載のシステム。
- 前記第1の暗号化されたメッセージに含まれる前記トークンは、ランダムバイトストリングである、請求項11または12に記載のシステム。
- 前記ファブリックコンポーネントは、当該ファブリックコンポーネントと関連付けられた前記秘密キーを埋込型ファームウェアに隠す、請求項11から13のいずれかに記載のシステム。
- 前記ファブリックコンポーネントは、当該ファブリックコンポーネントと関連付けられた前記秘密キーをタンパー防止不揮発性キー記憶部に記憶する、請求項11から14のいずれかに記載のシステム。
- 前記ファブリックコンポーネントと関連付けられた前記公開キーをレポジトリに記憶する、請求項11から15のいずれかに記載のシステム。
- 前記サブネットマネージャと関連付けられた公開キーが前記暗号化されたメッセージと併せて前記ファブリックコンポーネントに対して送信される、請求項11から16のいずれかに記載のシステム。
- 前記ファブリックコンポーネントは、前記サブネットマネージャと関連付けられた前記公開キーを使用して前記第2の暗号化されたメッセージを暗号化するように動作する、請求項17に記載のシステム。
- 前記サブネットマネージャは、
前記サブネットマネージャと関連付けられた秘密キーを使用して前記第2の暗号化されたメッセージを復号化し、
前記第2の暗号化されたメッセージにおいて前記サブネットマネージャに前記トークンが返信された場合にのみ前記ファブリックコンポーネントを認証するように動作する、請求項18に記載のシステム。 - 請求項1から10のいずれかに記載の方法をコンピュータに実行させるためのプログラム。
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US201161493330P | 2011-06-03 | 2011-06-03 | |
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