JP5763267B2 - エンドツーエンド暗号化を用いる通信システムにおけるポリシールーティングに基づく合法的傍受 - Google Patents
エンドツーエンド暗号化を用いる通信システムにおけるポリシールーティングに基づく合法的傍受 Download PDFInfo
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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
- H04L63/30—Network architectures or network communication protocols for network security for supporting lawful interception, monitoring or retaining of communications or communication related information
- H04L63/306—Network architectures or network communication protocols for network security for supporting lawful interception, monitoring or retaining of communications or communication related information intercepting packet switched data communications, e.g. Web, Internet or IMS communications
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—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
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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
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
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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
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0272—Virtual private networks
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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
- H04L63/04—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
- H04L63/0464—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 using hop-by-hop encryption, i.e. wherein an intermediate entity decrypts the information and re-encrypts it before forwarding it
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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
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
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Description
Claims (10)
- 通信ネットワークにおいて第1のコンピューティングデバイスと第2のコンピューティングデバイスとの間で交換される暗号化された通信を傍受するための方法であって、傍受が通信ネットワークの第3のコンピューティングデバイスによって行われ、方法が、
第3のコンピューティングデバイスが、第1のコンピューティングデバイスおよび第2のコンピューティングデバイスと関連するエンドツーエンド暗号化セッションの一部として暗号化された1つまたは複数のパケットを取得するステップであって、1つまたは複数のパケットが第1のコンピューティングデバイスおよび第2のコンピューティングデバイスのうちの1つと関連する所与のパケットアドレスを有し、1つまたは複数のパケットが、非傍受パケットトラフィックをそれを通じてルーティングすることも担う通信ネットワーク中の少なくとも1つの要素で少なくとも1つの傍受ルーティングポリシーが実施されることに応じて第3のコンピューティングデバイスによって取得され、少なくとも1つの傍受ルーティングポリシーが、所与のパケットアドレスを有するパケットを第3のコンピューティングデバイスに転送するように構成され、第3のコンピューティングデバイスが1つまたは複数の取得されたパケットを、第1のコンピューティングデバイスを含むパケットの送信元に対して確立されたセキュリティアソシエーションを用いてそこに含まれるデータを取得するために復号する、取得するステップと、
第3のコンピューティングデバイスが、1つまたは複数の取得されたパケットが第3のコンピューティングデバイスによって取得されたと分からないように1つまたは複数の取得されたパケットの所与のパケットアドレスを保存するステップと、
第3のコンピューティングデバイスが第2のコンピューティングデバイスを含むパケットの宛先に対して確立されたセキュリティアソシエーションを用いて1つまたは複数の取得されたパケットを再暗号化し、1つまたは複数のパケットをパケットの宛先に転送するステップとを含み、
パケットの宛先に転送された1つまたは複数のパケットが、所与のパケットアドレスを有し、
傍受ルーティングポリシーが、パケットの送信元およびパケットの宛先から第3のコンピューティングデバイスにベアラフローを再ルーティングする、方法。 - 傍受ルーティングポリシーが実施される通信ネットワークの要素が、第3のコンピューティングデバイスが接続されたローカルエリアネットワークに接続されたデバイスを含む、請求項1に記載の方法。
- 要素が、スイッチング要素を含む、請求項2に記載の方法。
- 傍受ルーティングポリシーが、第1のコンピューティングデバイスおよび第2のコンピューティングデバイスのうちの1つと関連するパケットアドレスを有する1つまたは複数のパケットが第3のコンピューティングデバイスに転送されるように、スイッチング要素において転送テーブルを変更することによってスイッチング要素で実施される、請求項3に記載の方法。
- 第3のコンピューティングデバイスが1つまたは複数のパケットを復号するステップをさらに含む、請求項4に記載の方法。
- 第3のコンピューティングデバイスが、1つまたは複数のパケットをパケットの宛先に転送する前に、1つまたは複数のパケットをコピーするステップ、および第3のコンピューティングデバイスが、1つまたは複数のコピーされたパケットを復号のために別のエンティティに転送するステップをさらに含む、請求項4に記載の方法。
- 傍受ルーティングポリシーが実施される通信ネットワークの要素が、第3のコンピューティングデバイスから離れたデバイスを含む、請求項1に記載の方法。
- 要素が、第1のコンピューティングデバイスおよび第2のコンピューティングデバイスのうちの1つが介して通信ネットワークにアクセスするルーティング要素を含む、請求項7に記載の方法。
- 第3のコンピューティングデバイスがルーティング要素と仮想プライベートネットワーク(VPN)トンネルを確立するステップをさらに含む、請求項8に記載の方法。
- 通信ネットワークにおいて第1のコンピューティングデバイスと第2のコンピューティングデバイスとの間で交換される暗号化された通信を傍受するための装置であって、
メモリと、
メモリに結合され、
第1のコンピューティングデバイスおよび第2のコンピューティングデバイスと関連するエンドツーエンド暗号化セッションの一部として暗号化される1つまたは複数のパケットを取得し、1つまたは複数のパケットが第1のコンピューティングデバイスおよび第2のコンピューティングデバイスのうちの1つと関連する所与のパケットアドレスを有し、1つまたは複数のパケットが、非傍受パケットトラフィックをそれを通じてルーティングすることも担う通信ネットワーク中の少なくとも1つの要素で少なくとも1つの傍受ルーティングポリシーが実施されることに応じて取得され、少なくとも1つの傍受ルーティングポリシーが、所与のパケットアドレスを有するパケットを第3のコンピューティングデバイスに転送するように構成される、
1つまたは複数の取得されたパケットを、第1のコンピューティングデバイスを含むパケットの送信元に対して確立されたセキュリティアソシエーションを用いてそこに含まれるデータを取得するために復号する、
1つまたは複数の取得されたパケットが第3のコンピューティングデバイスによって取得されたと分からないように1つまたは複数の取得されたパケットの所与のパケットアドレスを保存する、
第2のコンピューティングデバイスを含むパケットの宛先に対して確立されたセキュリティアソシエーションを用いて1つまたは複数の取得されたパケットを再暗号化する、
1つまたは複数のパケットをパケットの宛先に転送する
ように動作するプロセッサとを備え、
パケットの宛先に転送された1つまたは複数のパケットが、所与のパケットアドレスを有し、
傍受ルーティングポリシーが、パケットの送信元およびパケットの宛先から第3のコンピューティングデバイスにベアラフローを再ルーティングする、装置。
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US201161484897P | 2011-05-11 | 2011-05-11 | |
US61/484,897 | 2011-05-11 | ||
US13/212,788 US9544334B2 (en) | 2011-05-11 | 2011-08-18 | Policy routing-based lawful interception in communication system with end-to-end encryption |
US13/212,788 | 2011-08-18 | ||
PCT/US2012/035342 WO2012154420A1 (en) | 2011-05-11 | 2012-04-27 | Policy routing-based lawful interception in communication system with end-to-end encryption |
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JP2014519256A JP2014519256A (ja) | 2014-08-07 |
JP5763267B2 true JP5763267B2 (ja) | 2015-08-12 |
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US (1) | US9544334B2 (ja) |
EP (1) | EP2708052A1 (ja) |
JP (1) | JP5763267B2 (ja) |
KR (1) | KR101501399B1 (ja) |
CN (1) | CN103748908B (ja) |
WO (1) | WO2012154420A1 (ja) |
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US20110113236A1 (en) * | 2009-11-02 | 2011-05-12 | Sylvain Chenard | Methods, systems, and computer readable media for offloading internet protocol security (ipsec) processing using an ipsec proxy mechanism |
CN102055585B (zh) * | 2009-11-04 | 2012-12-19 | 中兴通讯股份有限公司 | 基于密钥管理服务器的媒体安全合法监听方法及系统 |
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CN103748908A (zh) | 2014-04-23 |
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US9544334B2 (en) | 2017-01-10 |
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WO2012154420A1 (en) | 2012-11-15 |
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