Integrated Node Authentication and Key Distribution Method for Body Area Network

Abstract

Node Authentication and Key Distribution are two tightly correlated security tasks for a secure Body Area Networks (BAN) system. Handling them separately may cause many practical issues. Based on the recent advances on node authentication and (shared) key distribution (including key generation), we propose a new integrated method to securely and efficiently conduct the two tasks. We build a system model with the consideration of passive and active attacks and solve some security risks. One of performance metric, key generation rate is significantly improved in our method. We implement and verify the proposed methods on two test beds. The experimental result demonstrates the effectiveness and efficiency of our proposal.