US Patent 9026787 Secure access using location-based encrypted authorization

Embodiments of the present invention disclose a method, computer program product, and system for location-based authorization to access a resource. A first computer receives a request to access a resource from a second computer. The request to access the resource includes location information of the second computer. The first computer responds by sending a request to a third computer, requesting location information of the third computer. In response to receiving from the third computer, the location information of the third computer, the first computer determines a distance between the second computer and the third computer. If the distance between the second computer and the third computer fulfills a proximity condition, the first computer authorizes the resource request.