Patent ID: 9391783
Filing Date: 2016-07-12
CPC Classification: H04L

Claim Text:
1. A method for authorizing a transaction or an access via a security device, the method comprising: receiving power at the security device from a bridge device; sending a request for authentication from the security device to an authentication server through the bridge device; receiving an information request at the security device from the authentication server through the bridge device; in response to the received information request, sending a response from the security device to the authentication server through the bridge device, the response comprising a set of one or more bits generated based on a current state in a plurality of states of an authentication state machine in the security device; repeating said receiving and said sending the response for each information request a plurality of times to traverse the authentication state machine until sending a response to a last information request in the sequence of information requests, wherein the sets of bits sent to the authentication server comprise a sequence of reported bits; authenticating the security device within an electronic device that is communicating with the bridge device by the authentication server based on comparing of the sequence of reported bits with a sequence of expected bits used by the authentication server in uniquely identifying the security device; and authorizing the transaction or the access performed through the electronic device.