| 摘要 |
A verification system in which a client terminal can safely receive online service from an online service server. The verification system includes an online service server, an information terminal device for receiving online service, an OTP server for performing a process involving login verification of the information terminal device and verification of online service transaction contents, and a portable terminal device that displays an OTP used for login verification and transaction contents verification. The portable terminal device includes means for transmitting, to the OTP server, separate acquisition requests for a login-verifying OTP and a transaction-contents-verifying OTP that the information terminal device requires when receiving online service from the online service server, receiving a login verifying OTP and a transaction contents verifying OTP from the OTP server, and displaying them.
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