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Abstract
Encryption is the scrambling process of a message so that it can only be read by the intended recipient. Encryption can provide a way for information to be secured. The need to ensure that this information is invulnerable to snooping and/or tampering becomes more relevant as more and more information is stored on computers or communicated via computers. Information security is becoming much more important in data storage and transmission with the rapid progression of digital data exchange in an electronic way. Information Confidentiality has a prominent significance in the study of ethics, law, and in information systems most recently. The art of cryptography has become more complex with the evolution of human intelligence to make information more secure. Different organizations are deploying arrays of encryption systems in the information systems world. However, less complex algorithm may jeopardize the desired integrity. I suggest a lightweight encryption algorithm, an upgraded version of Secure IoT (SIT) called Enhanced SIT algorithm in this paper. It is a cipher of 64-bit blocks and requires a 128-bit key to encrypt the data. The algorithm's architecture is a feistel mixture and a uniform replacement-permutation network. The result of simulations shows that in 10 encryption rounds the algorithm provides substantial security. The algorithm's hardware is implemented on a low cost microcontroller and the results of code size, memory use gives a promising output