User authentication system and method
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United States of America Patent
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Nov 28, 2006
Issued Date -
N/A
app pub date -
Oct 13, 2004
filing date -
Oct 14, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A user authentication method includes creating an authentication key in the form of a user formula, presenting a user with an arrangement of variables, each assigned a value, applying the assigned values to matching variables in the user formula and calculating a first result, and authenticating the user if the first result matches a second result of a separate and independent calculation of the user formula.
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