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COMMUNICATION DEVICE AND COMMUNICATION METHOD

  • US 20130195271A1
  • Filed: 01/10/2013
  • Published: 08/01/2013
  • Est. Priority Date: 03/03/2008
  • Status: Active Grant
First Claim
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1. A communication device configured to perform a communication by employing first and second communication units, comprising:

  • an interface configured to receive communication data including at least a random number generated for every connection with another communication device, and authentication method information indicating an authentication method at the second communication unit, from the another communication device through the first communication unit; and

    a hardware processing unit configured to determine, based on the authentication method information included in the communication data, whether or not the another communication device accepts a public key system, wherein,when the processing unit has determined that the another communication device does not accept the public key system, the random number is set as a temporal key and authentication with the another communication device is done using the temporal key, through the second communication unit.

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