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Lightweight X.509 Digital Certificates for the Internet of Things
KTH. (Networked Systems Security Group, KTH, Stockholm, Sweden)
KTH, Skolan för elektroteknik och datavetenskap (EECS), Nätverk och systemteknik. (Networked Systems Security Group, KTH, Stockholm, Sweden)ORCID-id: 0000-0002-3267-5374
2018 (Engelska)Ingår i: 3rd International Conference on Interoperability in IoT, InterIoT 2017 on conjunction with 4th International Conference on Safety and Security in Internet of Things, SaSeIoT 2017, Springer, 2018, Vol. 242, s. 123-133Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

X.509 is the de facto digital certificate standard used in building the Public Key Infrastructure (PKI) on the Internet. However, traditional X.509 certificates are too heavy for battery powered or energy harvesting Internet of Things (IoT) devices where it is crucial that energy consumption and memory footprints are as minimal as possible. In this paper we propose, implement, and evaluate a lightweight digital certificate for resource-constrained IoT devices. We develop an X.509 profile for IoT including only the fields necessary for IoT devices, without compromising the certificate security. Furthermore, we also propose compression of the X.509 profiled fields using the contemporary CBOR encoding scheme. Most importantly, our solutions are compatible with the existing X.509 standard, meaning that our profiled and compressed X.509 certificates for IoT can be enrolled, verified and revoked without requiring modification in the existing X.509 standard and PKI implementations. We implement our solution in the Contiki OS and perform evaluation of our profiled and compressed certificates on a state-of-the-art IoT hardware.

Ort, förlag, år, upplaga, sidor
Springer, 2018. Vol. 242, s. 123-133
Serie
Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST, ISSN 1867-8211 ; 242
Nyckelord [en]
6LoWPAN, CBOR, Contiki, IoT, X.509 certificate
Nationell ämneskategori
Kommunikationssystem
Identifikatorer
URN: urn:nbn:se:kth:diva-234053DOI: 10.1007/978-3-319-93797-7_14Scopus ID: 2-s2.0-85051070819ISBN: 9783319937960 (tryckt)OAI: oai:DiVA.org:kth-234053DiVA, id: diva2:1245583
Konferens
3rd International Conference on Interoperability in IoT, InterIoT 2017 on conjunction with 4th International Conference on Safety and Security in Internet of Things, SaSeIoT 2017, Valencia, Spain, 6 November 2017 through 7 November 2017
Forskningsfinansiär
VINNOVA
Anmärkning

QC 20180905

Tillgänglig från: 2018-09-05 Skapad: 2018-09-05 Senast uppdaterad: 2018-09-05Bibliografiskt granskad

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