Hash-based signatures for the internet of things

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Palmieri, Paolo
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While numerous digital signature schemes exist in the literature, most real-world system rely on RSA-based signature schemes or on the digital signature algorithm (DSA), including its elliptic curve cryptography variant ECDSA. In this position paper we review a family of alternative signature schemes, based on hash functions, and we make the case for their application in Internet of Things (IoT) settings. Hash-based signatures provide postquantum security, and only make minimal security assumptions, in general requiring only a secure cryptographic hash function. This makes them extremely flexible, as they can be implemented on top of any hash function that satisfies basic security properties. Hash-based signatures also feature numerous parameters defining aspects such as signing speed and key size, that enable trade-offs in constrained environments. Simplicity of implementation and customization make hash based signatures an attractive candidate for the IoT ecosystem, which is composed of a number of diverse, constrained devices.
Signature schemes , Hash-based signatures , Internet of things
Palmieri, P. (2018) 'Hash-based signatures for the internet of things: position paper', CF '18: Proceedings of the 15th ACM International Conference on Computing Frontiers, 8-10 May, Ischia, Italy. 3206427: ACM, pp. 332-335. doi:10.1145/3203217.3206427
© 2018 ACM. This is the author's version of the work. It is posted here for your personal use. Not for redistribution. The definitive Version of Record was published in CF '18 Proceedings of the 15th ACM International Conference on Computing Frontiers, http://dx.doi.org/10.1145/3203217.3206427