| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly secure personal authentication device capable of preventing perjury such as disguise in a personal authentication system using biological information. SOLUTION: This system includes a biological information input means into which a biological information for personal authentication is inputted, a biological information quality determining means which measures the quality of biological information and determines whether the biological information is the information for the perjury including the disguise, a biological information collating means which collates the inputted biological information data against the biological information registry data which is the pre-registered biological information data, and collating determining means which determines whether a user is really who he/she says he/she is, based on the living body information collated results. When the biological information quality determining means determines that the biological information is the information for perjury, processes of the biological information collating means and the collating determining means are stopped, on the other hand, when the biological information quality determining means determines that the biological information is the intrinsic information, the biological information collating means collates, and the collating determining means determines whether the user is really who he/she says he/she is. |
