To provide a strong security service in Wireless Sensor Networks (WSNs), cryptographic
mechanisms are required. Generally these security mechanisms demand intensive use of …

Ensuring key management in Wireless Sensor Networks has a vital importance, especially
when sensor nodes have to communicate in hostile environments. In this paper, we propose …

To obtain a strong security system based on wireless sensor networks (WSNs),
cryptographic‐based protocols are desired. Generally, the use of strong security …

Key management is a core security component in wireless sensor networks. Several existing
key management schemes neither offer strong resilience against node-capture attacks nor …

Security in mobile wireless sensor networks is challenging to achieve, as mobile wireless
sensor networks have many different characteristics from wired networks such as lack of …

In this paper, a secure efficient hierarchical key management scheme (SEHKM) for wireless
sensor networks is proposed. It satisfies several requirements of WSN. The design of the …

Wireless Sensor Networks (WSNs) bring together many applications and disciplines to
capture the most intensive economical development of the century. The objective of this …

Key management is the core of security protocol for wireless sensor networks deployed in
the hostile environment. Due to the strict resource constraints, traditional asymmetric key …

In this paper, we present an enhanced heterogeneous tree based key management scheme
for security of Wireless Sensor Networks (WSNs). Our scheme combines efficiently different …

In wireless sensor networks, sensor nodes are inherently restricted by insufficient hardware
resources, such as computing capacity and battery lifetime. As a result, current key …