| 摘要 |
The present invention is to authenticate the user on the basis of an identifier and authentication information which are provided from a portable terminal and service server to a user terminal and displayed. Accordingly, an external invader cannot perform authentication instead of the user unless the external invader collects information required for authentication from all of the portable terminal, the service server, and the user terminal at the same time. The present invention can be used for processing authentication in portal sites, banking facilities including banks, personal blogs, homepages, and various other websites using the Internet.
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