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System for processing lost password using password long-term memory of user, and method for processing lost password

  • US 9,684,782 B2
  • Filed: 08/01/2013
  • Issued: 06/20/2017
  • Est. Priority Date: 08/01/2012
  • Status: Active Grant
First Claim
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1. A system for processing a lost password, comprising:

  • a user terminal comprising a processor and executable instructions which, when executed by the processor, implement;

    a term memory condition registration unit configured to receive registration of a term memory condition for determining whether a user has term memory of a password, wherein the term memory condition includes at least one of a reference success time counted as a time passed since the password was set, or a reference success number counted as a number of authentication succeeded since the password was set;

    a term memory condition determination unit configured to determine whether the term memory condition of the user is satisfied each time authentication processing of the password is attempted;

    a user identity verification unit configured to, in the event that a lost password is determined to have occurred due to failed authentication of the password, when non-term memory of the user is determined, perform authentication processing using a user identity verification technique registered upon setting the password, and when term memory of the user is determined, perform authentication processing using a user identity verification technique with an enhanced authentication procedure over the registered identity verification technique; and

    a lost state cancellation unit configured to perform cancellation processing of an occurrence state of the lost password in the user terminal when the user identity verification succeeds.

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