The Internet of Things (IoT) has brought new ways for humans and machines to
communicate with each other over the internet. Though sensor-driven devices
have largely eased our everyday lives, most IoT infrastructures have been
suffering from security challenges. Since the emergence of IoT, lightweight
block ciphers have been a better option for intelligent and sensor-based
applications. When public-key infrastructure dominates worldwide, the symmetric
key encipherment such as Advanced Encryption Standard (AES) shows immense
prospects to sit with the smart home IoT appliances. As investigated, chaos
motivated logistic map shows enormous potential to secure IoT aligned real-time
data communication. The unpredictability and randomness features of the
logistic map in sync with chaos-based scheduling techniques can pave the way to
build a particular dynamic key propagation technique for data confidentiality,
availability and integrity. After being motivated by the security prospects of
AES and chaos cryptography, the paper illustrates a key scheduling technique
using a 3-dimensional S-box (substitution-box). The logistic map algorithm has
been incorporated to enhance security. The proposed approach has applicability
for lightweight IoT devices such as smart home appliances. The work determines
how seeming chaos accelerates the desired key-initiation before message
transmission. The proposed model is evaluated based on the key generation delay
required for the smart-home sensor devices.
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