Analysis of RSA over Gaussian Integers Algorithm. - Aleksey Koval; Boris S. Verkhovsky (ITNG, 2008)

Cryptosystem Based on Extraction of Square Roots of Complex Integers. - Aleksey Koval; Boris S. Verkhovsky (ITNG, 2008)

On Lucas Sequences Computation. - Aleksey Koval (Int. J. Commun. Netw. Syst. Sci., 2010)

A Pseudo-Random Pixel Rearrangement Algorithm Based on Gaussian Integers for Image Watermarking. - Aleksey Koval; Frank Y. Shih; Boris S. Verkhovsky (J. Inf. Hiding Multim. Signal Process., 2011)

Relationship between Lucas Sequences and Gaussian Integers in Cryptosystems. - Aleksey Koval (ITNG, 2015)