Improving Secret Key Generation Performance for On-Body Devices
In this paper, the authors undertake experiments to assess the feasibility of generating common secret keys between two body-worn devices using the near-body channel. Deriving secret keys using the wireless channel is a practical and lightweight alternative to public-key key-agreement approaches. Their results indicate that key generation is good for dynamic scenarios where communicating devices are placed in non-line-of-sight positions on the body. Furthermore, they enhance existing key generation mechanisms by proposing a filtering method to reduce bit mismatch.