×

Peer-to-peer event-time secured link establishment

  • US 9,052,876 B2
  • Filed: 05/13/2011
  • Issued: 06/09/2015
  • Est. Priority Date: 05/13/2011
  • Status: Active Grant
First Claim
Patent Images

1. A method, comprising:

  • storing, by a first device and a second device, data related to a tapping event, defined as the first device and the second device being physically tapped together, the data including time data of the tapping event;

    selecting, by the first device, a target device;

    establishing a non-authenticated secure communication link between the first device and the target device;

    sending, by the first device, a challenge communication to the target device, the challenge communication including a request for a time data of the tapping event as stored by the target device, while withholding the time data of the tapping event stored by the first device;

    receiving, by the first device, a response communication in response to the challenge communication, the response including a further data, where the further data comprises the time data of the tapping event as stored by the target device;

    determining if the target device is the second device by matching the data with the further data;

    whereuponsending, by the second device, a further challenge communication to the first device while withholding the time data of the tapping event stored by the second device;

    receiving, by the second device, a further response communication in response to the further challenge communication;

    determining if the first device is related to the tapping event; and

    when the target device is the second device, establishing a secure mutually authenticated communication link between the first device and the second device in order to share security credentials using a peer-to-peer connection.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×