Patent ID: 9055428
Filing Date: 2015-06-09
Classification: H04L,H04W

Abstract:
1. A communication apparatus comprising: a sharing unit configured to share an encryption key for encrypted communication with a plurality of other communication apparatuses belonging to a network which the communication apparatus has joined; a management unit configured to manage a first number of communication apparatuses to which the communication apparatus is connected and a second number of other communication apparatuses with which the encryption key has been shared using the sharing unit; a determination unit configured to determine whether encrypted communication with the plurality of other communication apparatuses is possible based of the first number of communication apparatuses and the second number of other communication apparatuses managed by the management unit; a starting unit configured to start processing for setting an Internet Protocol (IP) address of the communication apparatus using encrypted communication with the shared key according to a result of the determination by the determination unit that the encryption key is shared with all of the plurality of the other communication apparatuses; and wherein the sharing unit, the management unit, the determination unit, and the starting unit are realized by a processor included in the communication apparatus configured to read a program stored in a memory and execute the program.