| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an improved method for authenticating a user who requests execution of an operation on a computer device. <P>SOLUTION: A computer device determines whether or not authentication is effective for each of a plurality of operations based on authentication of identity, request of the plurality of operations by using the computer device, however, each of the plurality of operations is associated with any of plurality of pieces of safe level time different from one another, and whether or not time between the authentication and the requested operations is within the associated safe level time. <P>COPYRIGHT: (C)2013,JPO&INPIT |
