Synchronization of discrete-time hyperchaotic maps based on aggregation technique for encryption. - Rania Linda Filali; Sonia Hammami; Mohamed Benrejeb; Pierre Borne (SSD, 2012)

Using discrete-time hyperchaotic-based asymmetric encryption and decryption keys for secure signal transmission. - Sonia Hammami; Mohamed Djemai; Krishna Busawon (CSNDSP, 2014)

Encrypted audio communication design using synchronized discrete-time hyperchaotic maps. - Sonia Hammami; Mohamed Djemai; Krishna Busawon (CSNDSP, 2016)

Multi-switching combination synchronization of discrete-time hyperchaotic systems for encrypted audio communication. - Sonia Hammami (IMA J. Math. Control. Inf., 2019)