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MULTIFACTOR USERNAME BASED AUTHENTICATION

  • US 20110131415A1
  • Filed: 11/30/2009
  • Published: 06/02/2011
  • Est. Priority Date: 11/30/2009
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • receiving, at a server, a message including a username, a hashed value;

    retrieving the hashed password associated with the username;

    calculating an expected time-dependent value associated with the username;

    calculating an expected hashed value based on the username, a retrieved hashed password, and an expected time-dependent value; and

    determining if the expected hashed value matches the hashed value from the message.

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