A Novel Collaborative Secret Key Generation and Device Authentication Scheme for Securing Intra Wban Communication

Shashikant; Sanchari Saha

CALL FOR PAPERS : Feb-2026

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25-Feb-26

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A Novel Collaborative Secret Key Generation and Device Authentication Scheme for Securing Intra Wban Communication

Author(s):

Shashikant , MVJ COLLEGE OF ENGINEERING, BANGALORE; Sanchari Saha

Keywords:

Wireless body area network, sensor, Authentication, physical layer

Abstract:

nowadays there has been an evolution on bootstrapping security for wireless sensor networks purely based on physical layer characteristics. The main focus has been on two Basic security issues - device authentication and secret key extraction. To accomplish gadget confirmation and master key extraction at the same time without the assistance of cutting edge equipment and out-of-band channels an open issue. In this project, we propose an answer for this issue in the setting of wireless Body Area Networks (BANs). We propose a lightweight quick validated mystery key era plan for Intra-WBAN correspondence. This scheme neither introduces any advanced hardware nor relies on out-of-band channels. To perform device authentication and fast secret key extraction at the same time, we exploit the heterogeneous channel characteristics among the collection of on-body channels during body motion. Mainly with simple body movements, channel variations between line-of-sight on-body devices are relatively stable while those for non-line-of-sight devices are unstable. ASK-BAN utilizes the relatively static channels for device authentication and the dynamic ones for secret key generation. On one hand, ASK-BAN achieves authentication through multi-hop stable channels, which greatly reduces the false positive rate as compared to existing work. On the other hand, based on dynamic channels, the key extraction process between two on-body devices with multihop relay nodes is modeled as a max- ow problem, and a novel collaborative secret key generation algorithm is introduced to maximize the key generation rate.