Cryptographic technologies and protocol standards for Internet of Things

Sherali Zeadally, Ashok Kumar Das, Nicolas Sklavos

Research output: Contribution to journalArticlepeer-review

60 Scopus citations


The Internet of Things (IoT) comprises physical/virtual networked objects that collect and exchange data with each other via the public Internet. As this exchange often takes place over public networks, many security attacks in an IoT environment are possible. First, we briefly review the security issues in the IoT environment. Next, we focus on recent cryptographic protocol standards that are in use or have been recommended for IoT devices to ensure secure communications. We also highlight the advantages and weaknesses of the several protocol standards for various IoT application scenarios including connected vehicles, health, smart home, and consumer appliances and devices. Finally, we discuss some challenges in the area of cryptographic protocol standards that still require to be addressed for IoT applications in the future.

Original languageEnglish
Article number100075
JournalInternet of Things (Netherlands)
StatePublished - Jun 2021

Bibliographical note

Publisher Copyright:
© 2019 Elsevier B.V.


  • Cryptography
  • Internet of Things
  • Privacy
  • Protocol standards
  • Security
  • Smart devices

ASJC Scopus subject areas

  • Artificial Intelligence
  • Computer Science Applications
  • Information Systems
  • Software
  • Hardware and Architecture
  • Computer Science (miscellaneous)
  • Management of Technology and Innovation
  • Engineering (miscellaneous)


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