| 摘要 |
PURPOSE: A certification method using divided biometric information to keep security is provided to give no influence on uses of other fields even if the biometric information is hacked or lost in a specified place. CONSTITUTION: If a user inputs the biometric information to a biometric information input sensor, a feature information extractor extracts feature information from the inputted biometric information(S320). A biometric information divider divides the extracted feature information into multiple feature information groups depending on a rule(S330). The divided feature information group is stored to each certification device(S340).
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