I2PA: An Efficient ABC for IoT

Abstract : The Internet of Things (IoT) is very attractive because of its promises. However, it brings many challenges, mainly issues about privacy preservation and lightweight cryptography. Many schemes have been designed so far but none of them simultaneously takes into account these aspects. In this paper, we propose an efficient attribute-based credential scheme for IoT devices. We use elliptic curve cryptography without pairing, blind signing, and zero-knowledge proof. Our scheme supports block signing, selective disclosure, and randomization. It provides data minimization and transaction unlinkability. Our construction is efficient since smaller key size can be used, and computing time can be reduced. As a result, it is a suitable solution for IoT devices characterized by three major constraints, namely low-energy power, small storage capacity, and low computing power.
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Submitted on : Wednesday, August 7, 2019 - 2:30:25 PM
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Ibou Sene, Abdoul Aziz Ciss, Oumar Niang. I2PA: An Efficient ABC for IoT. Cryptography, MDPI, 2019, 3 (2), pp.16. ⟨10.3390/cryptography3020016⟩. ⟨hal-02264662⟩

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