Papaioannou, Maria, Ribeiro, Jose C, Monteiro, Valdemar, Sucasas, Victor, Mantas, Georgios ORCID: 0000-0002-8074-0417 and Rodriguez, Jonathan (2021) A privacy-preserving user authentication mechanism for smart city mobile apps. In: 2021 IEEE 26th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD). IEEE Xplore . Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NJ, pp. 1-5. ISBN 978-1665417792 ; 978-1665417808 ISSN 2378-4865 (Print), 2378-4873 (Online) (doi:https://doi.org/10.1109/CAMAD52502.2021.9617809)