JP4961798B2 - 暗号化通信方法及びシステム - Google Patents
暗号化通信方法及びシステム Download PDFInfo
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- JP4961798B2 JP4961798B2 JP2006096410A JP2006096410A JP4961798B2 JP 4961798 B2 JP4961798 B2 JP 4961798B2 JP 2006096410 A JP2006096410 A JP 2006096410A JP 2006096410 A JP2006096410 A JP 2006096410A JP 4961798 B2 JP4961798 B2 JP 4961798B2
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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
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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
- H04L63/029—Firewall traversal, e.g. tunnelling or, creating pinholes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area 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
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
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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
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
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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
-
- 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
- H04L9/321—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 a third party or a trusted authority
-
- 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
- H04L9/3263—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
- H04L9/3268—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 using certificate validation, registration, distribution or revocation, e.g. certificate revocation list [CRL]
-
- 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
- H04L9/3273—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 for mutual authentication
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Mobile Radio Communication Systems (AREA)
- Computer And Data Communications (AREA)
Description
図1は、本発明の実施の一形態に係わる通信システムの構成を例示する図である。
第二の実施形態を説明する。
Claims (7)
- 組織内ネットワークに接続している内部通信端末と、組織内ネットワークの外部から前記内部通信端末へアクセスする外部通信端末と、前記内部通信端末と前記外部通信端末とを管理する管理サーバと、サービスを提供するアプリケーションサーバと、を備える通信システムであって、
前記管理サーバは、前記外部通信端末と前記内部通信端末とが当該管理サーバを介さない暗号化通信を行うための第一の暗号鍵を生成して、前記外部通信端末と前記内部通信端末とに送信することにより、前記外部通信端末と前記内部通信端末は第一の端末−端末間暗号化通信路を確立し、
前記外部通信端末は、前記第一の端末−端末間暗号化通信路を用いて、前記内部通信端末に、前記アプリケーションサーバへの処理要求を開始させるための開始制御情報を送信し、
前記内部通信端末は、前記外部通信端末から受信した前記開始制御情報に基づき、前記管理サーバへ前記アプリケーションサーバへの接続要求を送信し、
前記管理サーバは、前記内部通信端末と前記アプリケーションサーバとが当該管理サーバを介さない暗号化通信を行うための第二の暗号鍵を生成して、前記内部通信端末と前記アプリケーションサーバとに送信することにより、前記内部通信端末と前記アプリケーションサーバは第二の端末−端末間暗号化通信路を確立して、
前記内部通信端末は、前記第一の端末−端末間暗号化通信路を用いて、前記外部通信端末から受信した前記開始制御情報に応答して第二の端末−端末間暗号化通信路が確立したことを前記外部通信端末に通知し、
前記外部通信端末は、前記通知に応答して、前記第一の端末−端末間暗号化通信路を用いて、前記内部通信端末に、前記アプリケーションサーバに処理を要求させるための処理制御情報を送信し、
前記内部通信端末は、
前記外部通信端末から受信した前記処理制御情報に基づき前記アプリケーションサーバに対して、前記第二の端末−端末間暗号化通信路を用いて、前記処理を要求し、
前記アプリケーションサーバから前記処理要求に対する処理結果を、前記第二の端末−端末間暗号化通信路を用いて、受信し、
前記外部通信端末へ、前記処理結果に基づく処理結果情報を、前記第一の端末−端末間暗号化通信路を用いて、送信する
ことを特徴とする通信システム。 - 請求項1に記載の通信システムにおいて、
前記処理制御情報は、前記外部通信端末から前記内部通信端末を操作するための入力操作情報であり、
前記処理結果情報は、前記外部通信端末の表示画面に、前記アプリケーションサーバによる前記処理結果を表示するために前記内部通信端末が生成する画面表示情報である
ことを特徴とする通信システム。 - 請求項1に記載の通信システムにおいて、
前記処理制御情報は、前記外部通信端末が前記内部通信端末に対して発行する処理要求コマンドであり、
前記処理結果情報は、前記アプリケーションサーバによる前記処理要求コマンドの処理結果を示すコマンドの戻り値である
ことを特徴とする通信システム。 - 請求項1から3のいずれか一に記載の通信システムにおいて、
前記内部通信端末は、前記アプリケーションサーバに対する前記接続要求を送信する際に、
前記外部通信端末が認証されており、前記内部通信端末との間に前記第一の端末―端末間暗号化通信路を確立していることを示す被認証対象情報付き接続要求を送信する
ことを特徴とする通信システム。 - 請求項1から4のいずれか一に記載の通信システムにおいて、
前記管理サーバは、前記第一の端末―端末間暗号化通信路と、前記第二の端末―端末間暗号化通信路とのそれぞれを確立させるための、前記第一の暗号化鍵と前記第二の暗号鍵を生成する際に、前記外部通信端末、前記内部通信端末、前記アプリケーションサーバそれぞれを認証し、
認証結果を管理する
ことを特徴とする通信システム。 - 請求項1から5のいずれか一に記載の通信システムにおいて、
前記管理サーバは、前記外部通信端末を認証する際に、前記外部通信端末の使用者を認証する
ことを特徴とする通信システム。 - 請求項1から6のいずれか一に記載の通信システムにおいて、
前記管理サーバは、前記第一の端末−端末間暗号化通信路の通信状態と、前記第二の端末−端末間暗号化通信路の通信状態とを関連づけて管理する
ことを特徴とする通信システム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006096410A JP4961798B2 (ja) | 2005-05-20 | 2006-03-31 | 暗号化通信方法及びシステム |
EP06010103A EP1724987A1 (en) | 2005-05-20 | 2006-05-16 | System and method for encrypted communication |
US11/436,048 US7984290B2 (en) | 2005-05-20 | 2006-05-18 | System and method for encrypted communication |
KR1020060045014A KR100786443B1 (ko) | 2005-05-20 | 2006-05-19 | 암호화 통신 방법 및 시스템 |
TW095117875A TW200704100A (en) | 2005-05-20 | 2006-05-19 | Encryption communication method and system |
Applications Claiming Priority (3)
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JP2005147488 | 2005-05-20 | ||
JP2005147488 | 2005-05-20 | ||
JP2006096410A JP4961798B2 (ja) | 2005-05-20 | 2006-03-31 | 暗号化通信方法及びシステム |
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JP2006352834A JP2006352834A (ja) | 2006-12-28 |
JP4961798B2 true JP4961798B2 (ja) | 2012-06-27 |
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JP2006096410A Expired - Fee Related JP4961798B2 (ja) | 2005-05-20 | 2006-03-31 | 暗号化通信方法及びシステム |
Country Status (5)
Country | Link |
---|---|
US (1) | US7984290B2 (ja) |
EP (1) | EP1724987A1 (ja) |
JP (1) | JP4961798B2 (ja) |
KR (1) | KR100786443B1 (ja) |
TW (1) | TW200704100A (ja) |
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JP4714482B2 (ja) * | 2005-02-28 | 2011-06-29 | 株式会社日立製作所 | 暗号通信システムおよび方法 |
JP2006279636A (ja) * | 2005-03-30 | 2006-10-12 | Hitachi Ltd | クライアント間通信ログの整合性保証管理システム |
JP4870540B2 (ja) * | 2006-12-12 | 2012-02-08 | 株式会社日立製作所 | ネットワークを介したプリンタ選択支援装置及びシステム |
-
2006
- 2006-03-31 JP JP2006096410A patent/JP4961798B2/ja not_active Expired - Fee Related
- 2006-05-16 EP EP06010103A patent/EP1724987A1/en not_active Withdrawn
- 2006-05-18 US US11/436,048 patent/US7984290B2/en not_active Expired - Fee Related
- 2006-05-19 TW TW095117875A patent/TW200704100A/zh not_active IP Right Cessation
- 2006-05-19 KR KR1020060045014A patent/KR100786443B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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EP1724987A1 (en) | 2006-11-22 |
KR20060120479A (ko) | 2006-11-27 |
TWI312631B (ja) | 2009-07-21 |
US7984290B2 (en) | 2011-07-19 |
US20060277406A1 (en) | 2006-12-07 |
JP2006352834A (ja) | 2006-12-28 |
TW200704100A (en) | 2007-01-16 |
KR100786443B1 (ko) | 2007-12-17 |
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