1. A method for authenticating access between a fixed device and any number of mobile devices within a geospatial boundary for secure communication comprising: keeping track of the physical position of the mobile devices using geospatial positioning techniques; enabling the fixed device to determine whether any nearby mobile devices have entered a geospatial boundary surrounding the fixed device; wherein the fixed device determines if any of the mobile devices are peers eligible for authentication; and upon authenticating mobile devices within the geospatial boundary, the fixed and mobile devices perform operations.