In this paper, we present a new type return of symmetric encryption by converting the classical monoalphabetic affine cipher into a polyalphabetic cipher.The proposed encryption utilizes the properties of outer-convex dominating set in the corona of graphs to generate random keys from the shared keyword to every character of the message.The new enc
Cloud computing technology enables efficient utilization of available physical resources through the virtualization where different clients share the same underlying physical hardware infrastructure.By utilizing the cloud computing concept, distributed, scalable and elastic computing resources are provided to the end-users over high speed computer
Foamed concrete is known as lightweight concrete that proven in the low Evaporator Cover Clip range of densities with good strength.Numerous studies were conducted to investigate its performance in term of mechanical properties.However, these investigations are still not adequate in the requirement of failure and damage mechanisms.This is due to th
The factors affecting African Forest Elephants include food availability, demand for ivory and changes in land-use.In order to survive, they tend to traverse considerable distances in search of food; on such occasions they are trapped and killed for their ivory.This present study is aimed at assessing the faecal matter of elephants, and at providin
COVID-19 has created a global serious health hazard with far-reaching consequences for society, our perceptions of the world, and how we live our daily lives.As a result, the World Health Organization recommended the use of face masks and social isolation to help reduce the rising number of infections.However, subsequent research has revealed that