الفهرس 
LIGHTWEIGHT CRYPTOGRAPHYOnly 14 pages are availabe for public view
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Abstract
Internet of Things (IoT) is expected to be a promising future technology, connecting billions of items via the internet. The demand for making smart devices more secure is growing as the number of smart devices connected to the Internet that deliver various services in many industries grows. At this time of current and future technological growth, the issue of security is a major concern. Security threats have become a major challenge to our world, posing a threat to everyone who lives on the planet’s surface, making it critical to secure internet-connected devices, particularly those with little resources. As a result, we will discuss how to secure those devices with limited resources in two ways, the first is to secure the network on which these smart devices are connected, and the other is encrypting data sent through those devices using a proposed lightweight algorithm named Enhanced Secure Internet of Things (ESIT). The ESIT algorithm is considered an optimizer from the SIT Algorithm. ESIT requires a 128-bit key to encrypt a 128-bit block. To implement the encryption process in the shortest possible time. The type of data that we will apply the algorithm on is optimized image. We will also apply algorithms to images without optimization and without any reduction in size and the aim is to compare the implementation of the algorithms on the original and optimized images.