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Communication apparatus and communication parameter configuration method thereof

  • US 10,015,830 B2
  • Filed: 10/11/2016
  • Issued: 07/03/2018
  • Est. Priority Date: 06/13/2005
  • Status: Active Grant
First Claim
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1. A communication apparatus, comprising:

  • one or more computers for causing the communication apparatus to;

    receive information of a value that is had by another communication apparatus;

    compare the received value with a value that is had by the communication apparatus;

    determine, based on a result of the comparison, whether the communication apparatus operates as a providing apparatus that provides a communication parameter used for wireless communication compliant with IEEE 802.11 series, or the other communication apparatus operates as the providing apparatus;

    provide the communication parameter to the other communication apparatus in a case where it is determined based on the result of the comparison that the communication apparatus operates as the providing apparatus,wherein the communication apparatus encrypts the communication parameter so as to provide the encrypted communication parameter to the other communication apparatus, in the case where it is determined that the communication apparatus operates as the providing apparatus, andwherein the communication apparatus encrypts the communication parameter using an encryption key that is generated based on a random value generated by the communication apparatus and on a random number generated by the other communication apparatus; and

    receive the communication parameter from the other communication apparatus in a case where it is determined based on the result of the comparison that the other communication apparatus operates as the providing apparatus,wherein a number of apparatuses that are allowed to participate in a network, in which the communication apparatus is participating, is limited.

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