| 摘要 |
The present invention authenticates a user using identifiers and authentication information provided and displayed by the mobile terminal and the service server to and on the user terminal, in conjunction with each other. Accordingly, unless an external intruder collects information necessary for authentication from the mobile terminal, the service server, and the user terminal in the same time span, the external intruder cannot perform authentication in place of a user. The present invention can be used to process authentication in portal sites, websites of financial institutions such as banks, personal blogs, homepages, and a variety of other websites using the Internet.
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