OnTheFly DiffieHellman for IoT The Internet of Things (IoT) is a fast growing field of devices being added to an interconnected environment in an abstract heterogeneous array of servers and devices, called smart environments, ranging from private local environments to nationwide infrastructures, often accessible via unsecured wireless communications and information technologies, hence, massively open to attacks. In this paper we propose an OnTheFly One Time Pad (OTP) protocol based upon the DiffieHellman key exchange for secure communications between smart devices endowed with low computational capabilities to a home gateway server via unsecured wireless communication channels. Our assumptions are that at setup both a user and the home gateway server have enough processing power to perform  say  secured RSA encrypted communication, hence relaxing the need for a trusted secure server outside the domain, and that the protocol should at least be secure for a range of known attacks, as replay or DoS attacks.

A Comprehensive Survey of Prominent Cryptographic Aspects for Securing Communication in PostQuantum IoT Networks Abstract   Internet of Things (IoT) ideates smart and interconnected things capable of sharing their perceptions through the Internet. These devices are different from conventional Internetconnected devices in the sense that these are able to perform skillfull things on their own with minimal or no human interaction. Unfortunately, with the advent of amalgamate technologies, security has become a major concern for IoT networks. Recent efforts include reinventing cryptographic solutions through the use of lightweight operations. However, after witnessing the growth of quantum computers, it can be inferred that the cryptographic techniques based on mathematical problems are not reliable enough. Therefore, there is need to develop solutions that can easily resist the adversarial effects and are suitable for the postquantum world. In this paper, we perform indepth analysis over the role of postquantum cryptographic techniques for securing IoT networks and also explore ongoing research efforts in the field. In addition, we discuss the open research challenges and future research directions in the field.