Cryptographic randomness on a CC2538: A case study

Yan Yan; Elisabeth Oswald; Theo Tryfonas

doi:10.1109/WIFS.2016.7823912

Cryptographic randomness on a CC2538: A case study

Yan Yan, Elisabeth Oswald, Theo Tryfonas

Computer Science

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Smart metering, smart parking, health, environment monitoring, and other applications drive the deployment of the so-called Internet of Things (IoT). Whilst cost and energy efficiency are the main factors that contribute to the popularity of commercial devices in the IoT domain, security features are increasingly desired. Security features typically guarantee authenticity of devices and/or data, as well as confidentiality of data in transit. Our study finds that whilst cryptographic algorithms for confidentiality and authenticity are supported in hardware on a popular class of devices, there is no adequate support for random number generation available. We show how to non-invasive manipulate the on-board source for randomness, and thereby we can completely undermine the security provided by (otherwise) strong cryptographic algorithms, with devastating results.

Original language	English
Title of host publication	8th IEEE International Workshop on Information Forensics and Security, WIFS 2016
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
ISBN (Electronic)	9781509011384
DOIs	https://doi.org/10.1109/WIFS.2016.7823912
Publication status	Published - 18 Jan 2017
Event	8th IEEE International Workshop on Information Forensics and Security, WIFS 2016 - Abu Dhabi, United Arab Emirates Duration: 4 Dec 2016 → 7 Dec 2016

Publication series

Name	8th IEEE International Workshop on Information Forensics and Security, WIFS 2016

Conference

Conference	8th IEEE International Workshop on Information Forensics and Security, WIFS 2016
Country/Territory	United Arab Emirates
City	Abu Dhabi
Period	4/12/16 → 7/12/16

Bibliographical note

Publisher Copyright:
© 2016 IEEE.

ASJC Scopus subject areas

Computer Networks and Communications
Information Systems and Management
Safety, Risk, Reliability and Quality
Law

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1109/WIFS.2016.7823912

Cite this

Yan, Y., Oswald, E., & Tryfonas, T. (2017). Cryptographic randomness on a CC2538: A case study. In 8th IEEE International Workshop on Information Forensics and Security, WIFS 2016 Article 7823912 (8th IEEE International Workshop on Information Forensics and Security, WIFS 2016). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/WIFS.2016.7823912

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Yan, Y, Oswald, E & Tryfonas, T 2017, Cryptographic randomness on a CC2538: A case study. in 8th IEEE International Workshop on Information Forensics and Security, WIFS 2016., 7823912, 8th IEEE International Workshop on Information Forensics and Security, WIFS 2016, Institute of Electrical and Electronics Engineers (IEEE), 8th IEEE International Workshop on Information Forensics and Security, WIFS 2016, Abu Dhabi, United Arab Emirates, 4/12/16. https://doi.org/10.1109/WIFS.2016.7823912

Cryptographic randomness on a CC2538: A case study. / Yan, Yan; Oswald, Elisabeth; Tryfonas, Theo.
8th IEEE International Workshop on Information Forensics and Security, WIFS 2016. Institute of Electrical and Electronics Engineers (IEEE), 2017. 7823912 (8th IEEE International Workshop on Information Forensics and Security, WIFS 2016).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AB - Smart metering, smart parking, health, environment monitoring, and other applications drive the deployment of the so-called Internet of Things (IoT). Whilst cost and energy efficiency are the main factors that contribute to the popularity of commercial devices in the IoT domain, security features are increasingly desired. Security features typically guarantee authenticity of devices and/or data, as well as confidentiality of data in transit. Our study finds that whilst cryptographic algorithms for confidentiality and authenticity are supported in hardware on a popular class of devices, there is no adequate support for random number generation available. We show how to non-invasive manipulate the on-board source for randomness, and thereby we can completely undermine the security provided by (otherwise) strong cryptographic algorithms, with devastating results.

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Cryptographic randomness on a CC2538: A case study

Abstract

Publication series

Conference

Bibliographical note

ASJC Scopus subject areas

UN SDGs

Access to Document

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Cite this