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System and method for password protection

  • US 8,145,913 B1
  • Filed: 08/30/2011
  • Issued: 03/27/2012
  • Est. Priority Date: 08/30/2011
  • Status: Active Grant
First Claim
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1. A computer-implemented method for password protection, the method comprising:

  • intercepting a plurality of data entry events generated by a data entry device, wherein the plurality of data entry events comprise a user-entered password;

    detecting an anomaly event in the plurality of intercepted data entry events;

    comparing the detected anomaly event with one or more preset anomalies;

    if the detected anomaly event matches at least one preset anomaly, identifying a replacement character string associated with said at least one preset anomaly, wherein the associated replacement character string is different from the detected anomaly;

    replacing the detected anomaly event in the plurality of intercepted data entry events with the replacement character string to generate a converted password; and

    sending the converted password instead of the user-entered password to a user authentication device for authentication of the user based at least on the converted password.

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