Mobility-based Key Sharing Using Visible Light Communication

Abstract: Visible Light Communication (VLC) has become an increasingly interesting topicamong researchers. The LEDs used in VLC have important characteristics which differfrom radio waves, and which enables a vast spectrum to be used with many security aspects. Light cannot pass through walls and can be directed. Directing different light sources to different locations, keys can be distributed to these locations. Using this, a mobility pattern can be defined by a user. This thesis considers the Shamir's Secret Sharing algorithm and how it can be used to create a mobility pattern where each distributed key need to be picked up in a specific order, following the pattern. A design solution has been created that considers some of the scenarios where and how this mobility pattern can be used.