**Citation:** Sakalauskas, E.;

Timofejeva, I.; Kilciauskas, A. Sigma Identification Protocol Construction Based on MPF. *Symmetry* **2021**, *13*, 1683. https://doi.org/10.3390/ sym13091683

Academic Editors: Ming-Chin Chuang and Jeng-Shyang Pan

Received: 21 July 2021 Accepted: 9 September 2021 Published: 13 September 2021

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