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An energy-efficient reconfigurable DTLS cryptographic engine for End-to-End security in iot applications

Author(s)
Banerjee, Utsav; Juvekar, Chiraag; Wright, Andrew D.; Chandrakasan, Anantha P.
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Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/
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Abstract
End-to-end security protocols, like Datagram Transport Layer Security (DTLS) [1], enable the establishment of mutually authenticated confidential channels between edge nodes and the cloud, even in the presence of untrusted and potentially malicious network infrastructure. While this makes DTLS an ideal solution for IoT, the associated computational cost makes software-only implementations prohibitively expensive for resource-constrained embedded devices. We address this challenge through three key contributions: reconfigurable cryptographic accelerators enable two orders of magnitude energy savings, a dedicated DTLS engine offloads control flow to hardware reducing program code and memory usage by ∼10x, and an on-chip RISC-V core exercises the flexibility of the cryptographic accelerators to demonstrate security applications beyond DTLS.
Date issued
2018-02
URI
https://hdl.handle.net/1721.1/122345
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Journal
2018 IEEE International Solid - State Circuits Conference - (ISSCC)
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Banergee, Utsav et al. "An energy-efficient reconfigurable DTLS cryptographic engine for End-to-End security in iot applications." 2018 IEEE International Solid - State Circuits Conference - (ISSCC), March 2018, San Francisco, California, USA, Institute of Electrical and Electronics Engineers (IEEE), February 2018 © 2018 IEEE
Version: Author's final manuscript
ISBN
9781509049400
ISSN
2376-8606

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