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Folding-BSD Algorithm for Binary Sequence Decomposition

PRNG
LFSR
binomial sequences
stream ciphers
Internet of Things - IoT
J.L. Martín-Navarro, A. Fúster-Sabater
Gervasi et al. (Eds.): ICCSA 2020, LNCS 12249, Part I, pp. 345-359, 2020
https://doi.org/10.1007/978-3-030-58799-4_26

The IoT revolution leads to a range of critical services which rely on IoT devices. Nevertheless, they often lack proper security, becoming the gateway to attack the whole system. IoT security protocols often rely on stream ciphers, where PRNGs are an essential part of them. In this article, a family of ciphers with strong characteristics that make them difficult to be analyzed by standard methods is described. In addition, we will discuss an innovative technique of sequence decomposition and present a novel algorithm to evaluate the strength of binary sequences, key part of the IoT security stack.

Research partially supported by Ministerio de Economía, Industria y Competitividad, Agencia Estatal de Investigación, and Fondo Europeo de Desarrollo Regional (FEDER, UE) under project COPCIS (TIN2017-84844-C2-1-R) and by Comunidad de Madrid (Spain) under project CYNAMON (P2018/TCS-4566), also co-funded by European Union FEDER funds. The first author was supported by JAE “Introduction to research scholarships for students” of the Spanish Ministry of Science and Innovation.

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