System and method for authentication using a mobile communication device
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United States of America Patent
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Aug 25, 2015
Grant Date -
N/A
app pub date -
Dec 11, 2009
filing date -
Dec 11, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
The invention is a system and method for registering and authenticating a user using a mobile communication device, such as a mobile phone. An authentication server has access to a stored list of authorized mobile phone numbers. Each authorized mobile phone number is associated with a string of text or numeric characters. The server provides a OTP when the user calls or sends a SMS message request from the authorized mobile phone to the server. The verbal or SMS request must contain the stored string, which the server will match against the stored list in order to confirm that the mobile phone is authorized. Once a OTP is provided to the authorized mobile phone, it must be used within a predetermined time limit, or the OTP will expire. The OTP will also be discarded once the server is notified that the OTP has been used. Further, the server will ignore a request for an additional OTP if a previously-provided OTP has not expired or been discarded, or if the server is in the process of generating an OTP for the authorized mobile phone.
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