Apparatus, system, and method for generating and authenticating a computer password
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United States of America Patent
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Mar 15, 2011
Grant Date -
Feb 5, 2009
app pub date -
Sep 30, 2008
filing date -
Dec 22, 2004
priority date (Note) -
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Abstract
An apparatus, system, and method for constructing, transmitting, and authenticating a password utilized by an authentication device to authenticate an access device. The authentication device receives the password from the access device, authenticates the access device if the password matches stored information, and returns an acknowledgment message that includes an index value associated with a stored character set. The access device constructs and transmits the password. The access device receives from a user, a plurality of predefined characters forming a User ID. The access device also receives the acknowledgment message and index value from the authentication device. The index value is used to identify a set of password modification factors from a plurality of sets stored in a lookup table. The access device utilizes the identified set to modify a password, and transmits the password to the authentication device.
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