International Journal of Engineering and Technology

with the arrival of IOT things, most of the course world applications are choosing IOT approach as it makes them commutable, efficient and fast. However, IoT devices are interconnected and persist across wider geographical locations .hence it coexists and leads to a greater security risk. As a result of this, it is at most important to analyze the existing cryptographic ciphers on such devices and decide, if they are feasible for expression implementation process and memory utilization efficiency . Security & privacy are the crucial element which needs to be addressed to hold upto the faith in consumer of Internet of things . Existing solutions for protecting to every sheet will be a vulnerable to problem. Therefore, lightweight cryptographic solutions are defined as an alternative solution to strengthen security. This paper provides an analysis on existing lightweight cryptographic algorithm which are used for providing security in IoT