JP4554968B2 - アドホックネットワークにおける無線通信端末装置 - Google Patents
アドホックネットワークにおける無線通信端末装置 Download PDFInfo
- Publication number
- JP4554968B2 JP4554968B2 JP2004091615A JP2004091615A JP4554968B2 JP 4554968 B2 JP4554968 B2 JP 4554968B2 JP 2004091615 A JP2004091615 A JP 2004091615A JP 2004091615 A JP2004091615 A JP 2004091615A JP 4554968 B2 JP4554968 B2 JP 4554968B2
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- Prior art keywords
- communication terminal
- terminal device
- key
- node
- wireless communication
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- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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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
-
- 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
- H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
-
- 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
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/50—Secure pairing of devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
-
- 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
- H04L2209/80—Wireless
-
- 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
- H04L63/0435—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 symmetric encryption, i.e. same key used for encryption and decryption
-
- 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
- H04L63/0869—Network architectures or network communication protocols for network security for authentication of entities for achieving mutual authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/20—Aspects of automatic or semi-automatic exchanges related to features of supplementary services
- H04M2203/2044—Group features, e.g. closed user group
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
- H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
Description
アドホック鍵選択のタイミングから時間Wより前に配信されたアドホック鍵の中で、最新の鍵を選ぶようなポリシーを用いることもできる。ここで、Wが「0」であれば、最新の鍵が選ばれることになる。
Claims (2)
- アドホックネットワークを構成するための中継機能を搭載した無線通信端末装置であって、
伝送範囲内の他の無線通信端末装置を認証する認証手段と、
認証を経た他の無線通信端末装置と、ネットワーク構成に関する情報を送受信し、アドホックネットワークを構成する無線通信端末装置を認識できるネットワーク構成情報を生成するネットワーク情報生成手段と、
前記ネットワーク構成情報に基づいて、自身が中継を担うと判断した場合に、共通鍵を生成する共通鍵生成手段と、
前記生成した共通鍵を伝送範囲内の他の無線通信端末装置に配布する共通鍵配布手段と、
他の無線通信端末装置が生成した前記共通鍵を受信すると、前記受信した共通鍵を保持するとともに、自身が中継を担うと判断した場合に、前記受信した共通鍵を伝送範囲内の他の無線通信端末装置に転送する手段とを備え、
前記認証を行なった他の無線通信端末装置が伝送範囲外となった場合に、所定の時間内に当該他の無線通信端末装置がアドホックネットワークを構成する無線通信端末装置と認識されなかったときは、前記共通鍵生成手段は共通鍵を更新し、前記共通鍵配布手段は更新した共通鍵を配布することを特徴とする無線通信端末装置。 - 請求項1に記載の無線通信端末装置であって、
前記認証を行なった他の無線通信端末装置が伝送範囲外となった場合に、当該他の無線通信端末装置が所定の時間内に伝送範囲内となったときは、前記認証手段は、当該他の無線通信端末装置とは認証を行なわないことを特徴とする無線通信端末装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004091615A JP4554968B2 (ja) | 2004-03-26 | 2004-03-26 | アドホックネットワークにおける無線通信端末装置 |
CN2005100588052A CN1674496B (zh) | 2004-03-26 | 2005-03-28 | Ad hoc网络中的公用密钥共享方法和无线通信终端 |
US11/090,168 US7567673B2 (en) | 2004-03-26 | 2005-03-28 | Common key sharing method and wireless communication terminal in ad hoc network |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004091615A JP4554968B2 (ja) | 2004-03-26 | 2004-03-26 | アドホックネットワークにおける無線通信端末装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005278044A JP2005278044A (ja) | 2005-10-06 |
JP4554968B2 true JP4554968B2 (ja) | 2010-09-29 |
Family
ID=34990675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004091615A Expired - Fee Related JP4554968B2 (ja) | 2004-03-26 | 2004-03-26 | アドホックネットワークにおける無線通信端末装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7567673B2 (ja) |
JP (1) | JP4554968B2 (ja) |
CN (1) | CN1674496B (ja) |
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JP2004072565A (ja) * | 2002-08-08 | 2004-03-04 | Tdk Corp | 無線lan通信方法、無線lan通信システムおよび当該システムに用いられる無線端末、無線lan通信装置、通信制御プログラム、ならびに当該プログラムを記録した記録媒体 |
JP2004241865A (ja) * | 2003-02-03 | 2004-08-26 | Sony Corp | 無線アドホック通信システム、端末、その端末における認証方法、暗号化方法及び端末管理方法並びにそれらの方法を端末に実行させるためのプログラム |
JP2004343717A (ja) * | 2003-05-16 | 2004-12-02 | Samsung Electronics Co Ltd | モバイルアドホックネットワークにおけるノード間の暗号化キー割り当て方法及びこれを用いたネットワーク装置 |
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JP2005278044A (ja) | 2005-10-06 |
CN1674496A (zh) | 2005-09-28 |
US7567673B2 (en) | 2009-07-28 |
CN1674496B (zh) | 2010-06-09 |
US20050215234A1 (en) | 2005-09-29 |
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