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Authentication Method

  • US 20140245391A1
  • Filed: 10/30/2012
  • Published: 08/28/2014
  • Est. Priority Date: 10/31/2011
  • Status: Active Grant
First Claim
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1. A method of authenticating a user to a transaction at a terminal, comprising the steps of:

  • transmitting a user identification from the terminal to a transaction partner via a first communication channel,providing an authentication step in which an authentication device uses a second communication channel for checking an authentication function that is implemented in a mobile device of the user,as a criterion for deciding whether the authentication to the transaction shall be granted or denied, having the authentication device check whether a predetermined time relation exists between the transmission of the user identification and a response from the second communication channel,providing that the authentication function is normally inactive and is activated by the user only preliminarily for the transaction,providing that said response from the second communication channel includes information that the authentication function is active, andthereafter providing that the authentication function is automatically deactivated.

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