Key storage device, biometric authentication device, biometric authentication system, key management method, biometric authentication method, and program
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United States of America Patent
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N/A
Issued Date -
Jan 20, 2011
app pub date -
Jun 21, 2010
filing date -
Jul 15, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a key storage device including a receiving unit for receiving package data that includes a template key for decrypting an encrypted template and an authentication key that is used for authentication performed with a terminal that uses the template key and the package data being in a data format that allows restoration only by the key storage device, a key information storage unit for restoring the template key and the authentication key, and for storing the template key and the authentication key in a tamper resistant non-volatile memory, a authentication unit for performing, in case a request for use of the template key is received from the terminal, authentication with the terminal by using authentication information that is based on the authentication key, and a key state management unit for placing, in case the authentication succeeds, the template key in a state usable by the terminal.
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