Patent ID: 9312926
Filing Date: 2016-04-12
CPC Classification: G06F,G06Q,G07C,H04B,H04L,H04W

Claim Text:
1. A method, comprising: generating a first identifier with a reader device; transmitting the first identifier to a mobile device, wherein the first identifier is appended to a uniform resource identifier; receiving, with the mobile device, an encrypted package from a server that is identified by the uniform resource identifier; encrypting, with the mobile device, a credential extracted from the encrypted package received from the server, wherein the credential is encrypted by the mobile device with the first identifier and with a second identifier that is unique to the mobile device, wherein the credential is a unique diversified credential that is diversified using a DESFire EV1 method and includes a diversified master key based on the second identifier unique to the mobile device; receiving, with the reader device, the encrypted data and unencrypted data from the mobile device, wherein the encrypted data and the unencrypted data each include at least the second identifier that identifies the mobile device; and evaluating, with the reader device, whether the first identifier in the encrypted data corresponds to the first identifier transmitted to the mobile device and whether the second identifier in the unencrypted data corresponds to the second identifier in the encrypted data.