Secure communications via NFC device

摘要

A system, method, and apparatus for negotiating a communication link between first and second near field communication (NFC) devices is disclosed. A third NFC device is placed in close proximity with a first host device operatively containing the first NFC device to determine communication information including at least one of a communication mechanism and a data transfer protocol usable by the first host device. The communication information usable by the first host device is stored in a portable device operatively containing the third NFC device. The third NFC device is momentarily placed in close proximity with the second NFC device. The stored communication information of the first host device is transferred from the portable device to a second host device operatively containing the second NFC device. A communication link is established between the first and second host devices to enable the first and second host devices to transfer data between them as a function of the determined communication information.

主权项

1. A method of negotiating a bi-directional communication link between a first device and a second device, the method comprising:
receiving, by the second device, communication information relating to a first plurality of communication mechanisms and data transfer protocols supported by the first device from a portable device while the portable device is within a communication range of the second device; comparing, by the second device, the received communication information to a second plurality of communication mechanisms and data transfer protocols, the second plurality of communication mechanisms and data transfer protocols including one or more communication standards available to the second device for communicating signals to the first device and one or more characteristics for the signals available to the second device; selecting, by the second device, a first communication mechanism and data transfer protocol from among the second plurality of communication mechanisms and data transfer protocols that matches a second communication mechanism and data transfer protocol from among the first plurality of communication mechanisms and data transfer protocols based upon the comparing; and establishing, by the second device, the bi-directional communication link between the first device and the second device that bypasses the portable device using the selected first communication mechanism and data transfer protocol.