Patent ID: 9307403
Filing Date: 2016-04-05
CPC Classification: G06F,H04W

Claim Text:
1. A method, comprising: generating a session identifier with a reader device; transmitting the session identifier to a mobile device over an NFC peer-to-peer connection, wherein the mobile device includes a unique device identity; receiving, with the reader device, encrypted data and unencrypted data from the mobile device over the NFC peer-to-peer connection, wherein the encrypted data is generated with a symmetric key via an application installed on the mobile device, wherein the encrypted data includes at least the session identifier and the unique device identity, and the unencrypted data includes the unique device identity; evaluating, with the reader device, whether the session identifier of the encrypted data corresponds to the session identifier transmitted to the mobile device and whether the unique device identity of the encrypted data corresponds to the unique device identity of the mobile device; and failing authentication of the mobile device with the reader device when either the session identifiers do not correspond to one another or the unique device identifiers do not correspond to one another.