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Title:
通信装置、通信装置の通信方法、プログラム、記憶媒体
Document Type and Number:
Japanese Patent JP4881813
Kind Code:
B2
Abstract:
It is so arranged that an encryption key can be shared with a communication apparatus that participates in a network anew, even in an ad-hoc-mode type of environment. In order to achieve this, a communication apparatus determines whether it possesses an encryption key shared with another communication apparatus and, in accordance with the result of the determination, initiates sharing process for sharing the encryption key with a first communication apparatus from the communication apparatus after the sharing process for sharing the encryption key has been initiated from the first communication apparatus.

Inventors:
Fumihide Goto
Application Number:
JP2007208732A
Publication Date:
February 22, 2012
Filing Date:
August 10, 2007
Export Citation:
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Assignee:
Canon Inc
International Classes:
H04W84/12; H04L9/08; H04W74/08
Domestic Patent References:
JP2004266342A
JP2005303449A
JP2006157185A
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa



 
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