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One-time password service system using mobile phone and authentication method using the same

  • US 20070174904A1
  • Filed: 10/16/2006
  • Published: 07/26/2007
  • Est. Priority Date: 01/24/2006
  • Status: Abandoned Application
First Claim
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1. An one-time password service system comprising:

  • an one-time password (OTP) server for generating and transmitting a query(a) for an authentication to transmit, receiving a response password N corresponding to the query(a), generating a one-time password M corresponding to the query(a), and performing the authentication when the one-time password M corresponds with the response password N;

    a short message service (SMS) server for converting the query(a) transmitted from the OTP server into a text message including the query(a) and transmitting the generated text message;

    an OTP terminal for detecting the query(a) in the transmitted text message from the SMS server and generating and displaying the response password N;

    a personal communications device for transmitting the response password N to the OTP server when the response password N corresponding to the transmitted query(a) from the OTP server is input; and

    a content offer server for providing to the personal communications device content corresponding according to the authentification.

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