IOT: A comparative study of different encryption techniques

The internet development began in mid-90s to allow information to be shared and documents to be interconnected. the development of social media was introduced in 2002 which allowed friends to share photos documents and other information with a click of a button. A new revolution known as the Internet of Things (IoT) has just started to allow devices to share information without human being involvement. Currently there are approximately 15 billion devices connected and it is predicted that 40 billion devices will be connected by 2020. with so many devices are predicted to be connected in coming years security risks for low powered sensors with limited memory and processing power are IoT biggest challenge.