| 摘要 |
<P>PROBLEM TO BE SOLVED: To support the verification of an electronic signature with an electronic certificate by issuing the electronic certificate of an authentication station that has no mutual authentication relation by operability identical to that exhibited when the authentication station has a mutual authentication relation. <P>SOLUTION: A user device 1 continuously performs a step for applying to an authorization and authentication station 4 for the issuing of an electronic certificate about a public key 1, 002 corresponding to a private key 1, 001 used in an electronic signature 1, 201, and a step for transferring an electronic certificate 4, 100 issued from the authorization and authentication station 4 to a bank server 3. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
