Patent ID: 9602481
Date: 2017-03-21
CPC Classifications: G06Q,H04L,H04W

Claim:
1. A short key generation and use method comprising: at a server, receiving a request for a short key from a first device, the request including location information; at the server, determining whether the location information corresponds to one or more regions; creating a set B comprising short keys ranging from the smallest key, in value, that the server can generate and the next key, in value, following the largest key, in value, in set A; creating a set C comprising key values that said set A and said set B do not have in common; selecting the smallest key, in value, in set C and generating the short key requested by the first device based on said smallest key in set C and the time and date of said request; and transmitting the short key requested by the first device to the first device for use as an authentication key to communicate with a second device.