COMMUNICATION SYSTEM AND COMMUNICATION TERMINAL DEVICE
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United States of America Patent
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N/A
Issued Date -
Jun 11, 2009
app pub date -
Dec 3, 2008
filing date -
Dec 6, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There is provided a communication terminal device configured to include: a mutual authentication unit that performs mutual authentication with a service providing server; an obtaining unit that obtains biometric information of an authentication target associated with an encryption key common to the service providing server, which is obtained as a successful result of the mutual authentication performed by the mutual authentication unit; a biometric authentication unit that performs biometric authentication by using the biometric information of the authentication target, which has been obtained by the obtaining unit, and biometric information of a registration target; and a notification unit that encrypts a message indicating that the biometric authentication has succeeded, by using the encryption key and notifies the service providing server of the message, if the biometric authentication of the biometric authentication unit succeeds.
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