Abstract
AbstractAdvancement in technology has led to an exponential growth of Internet of Things (IoT) devices. IoT devices make our lives easier by providing all the advantages in relation to automation, convenience, and efficiency. The only caveats of IoT nodes are that they are resource constrained in terms of computation, energy, storage, and bandwidth. Also, their interaction with humans and Internet connectivity make them vulnerable to various security threats. Hence, security is a fundamental requirement of the IoT design but it should also be efficient in terms of resource usage. Transport layer security (TLS) is a protocol that has substantiated secure communication from one end to the other. TLS uses public key infrastructure or PKI to secure information over the Internet. But it is inefficient to use PKI in resource-constrained devices like IoT due to the need of storing certificates. Identity-based cryptography was introduced to relieve this domain from the overhead of public key certificate storage and management. This paper presents a comprehensive survey of identity-based cryptography in IoT technologies and security issues with a focus on the smart home and healthcare environments.KeywordsIdentity-based cryptographyInternet of ThingsPublic key infrastructureTransport layer security
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