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Lightweight hybrid cryptography algorithm for wireless body area sensor networks using cipher technique

Raziq Aizaz, Qureshi Kashif Naseer, Yar Asfand, Ghafoori Kayhan Zrar, Jeon Gwanggil

Computer Assisted Methods in Engineering and Science

2024

Vol. 31, no. 2

213--240

Wireless Body Area Networks (WBANs) are based on connected and dedicated sensor nodes for patient monitoring in the healthcare sector. The sensor nodes are implanted inside or outside the patient’s body for sensing the vital signs and transmitting the sensed data to the end devices for decision-making. These sensor nodes use advanced communication technologies for data communication. However, they have limited capabilities in terms of computation power, battery life, storage, and memory, and these constraints make networks more vulnerable to security breaches and routing challenges. Important and sensitive information is exchanged over an unsecured channel in the network. Several devices are involved in handling the data in WBANs, including sink nodes, coordinator, or gateway nodes. Many cryptographic schemes have been introduced to ensure security in WBANs by using traditional confidentiality and key-sharing strategies. However, these techniques are not suitable for limited resource-based sensor nodes. In this paper, we propose a Lightweight Hybrid Cryptography Algorithm (LWHCA) that uses cryptographicbased techniques for WBAN networks to improve network security, minimize network overhead and delay issues, and improve the healthcare monitoring processes. The proposed solution is evaluated in a simulation scenario and compared with state-of-the-art schemes in terms of energy consumption, and ciphertext size.

Ocena możliwości zastosowania syntetycznych włókien bikomponentowych, tzw. BICO, w procesie formowania tektury

Marcinkowska M., Milczarek S., Mik T., Szadkowski M.

Przegląd Papierniczy

2017

R. 73, nr 7

473--480

Wzrastające zapotrzebowanie na produkty przemysłu celulozowo-papierniczego, przy jednoczesnym zmniejszaniu się zapasów drewna oraz pogorszaniu się jakości makulatury, stwarza potrzebę prowadzenia prac badawczych nad możliwością częściowego lub całkowitego zastąpienia mas celulozowych pierwotnych mniej szlachetnymi masami celulozowymi, włóknami sztucznymi oraz syntetycznymi, z zamiarem wytwarzania z nich wysokiej jakości produktów papierniczych. W artykule przedstawiono efekty badań prowadzonych w IBWCh nad oceną możliwości zastosowania syntetycznych włókien bikomponentowych, tzw. BICO, w procesie formowania tektury.

An increasing demand for pulp and paper products, while the amount of wood stocks and quality of recycled paper are being reduced, makes it necessary to conduct a research on the possibility of fully or partially replacing primary cellulosic pulp with less precious cellulosic pulps, artificial(man-made) and synthetic fibers in order to produce high quality paper products. The article presents the results of the research conducted in IBWCh on the possibility of applying synthetic fibers in cardboard forming technology.

Utilization of recycle paper mill residue and rice husk ash in production of light weight bricks

Raut S., Ralegaonkar R., Mandavgane S.

Archives of Civil and Mechanical Engineering

2013

Vol. 13, no. 2

269--275

Resource recovery and utilization of industrial by-product materials for making construction material has gained significant attention across the world. In this research study, recycle paper mill residue (RPMR) and rice husk ash (RHA) are utilized to improve the properties of bricks. This research study evaluated the feasibility of utilizing RPMR and RHA for making construction bricks. A homogeneous mixture of RPMR–RHA–cement was prepared with varying amount of RHA (10–20% by weight) and RPMR (70–80% by weight) and tested in accordance with the IS codes. Characterization of RPMR and RHA was performed using XRF, TG-DTA, XRD and SEM techniques. The SEM monographs show that RPMR has a porous and fibrous structure. The TG-DTA characterization demonstrated that RPMR can withstand temperatures up to 280 °C. The results indicate that RPMR-bricks prepared from RPMR–RHA–cement combination are light weight and meet compressive strength requirements of IS 1077-1992. This novel construction material serves objectives of resource recovery through prudent solid waste management.