27 citations · 27 across the 4 of their papers we have counts for
4 papers
Towards Privacy-Preserving Federated Learning using Hybrid Homomorphic Encryption
Ivan Costa, Pedro Correia, Ivone Amorim +2
Federated Learning (FL) enables collaborative training while keeping sensitive data on clients' devices, but local model updates can still leak private information. Hybrid Homomorp…
S3PHER: Secure and Searchable System for Patient-driven HEalth data shaRing
Ivan Costa, Ivone Amorim, Eva Maia +2
Healthcare data contains some of the most sensitive information about an individual, yet sharing this data with healthcare practitioners can significantly enhance patient care and…
Patient-centric health data sovereignty: an approach using Proxy re-encryption
Bruno Rodrigues, Ivone Amorim, Ivan Costa +1
The exponential growth in the digitisation of services implies the handling and storage of large volumes of data. Businesses and services see data sharing and crossing as an opport…
Homomorphic Encryption: An Analysis of its Applications in Searchable Encryption
Ivone Amorim, Ivan Costa
The widespread adoption of cloud infrastructures has revolutionised data storage and access. However, it has also raised concerns regarding the privacy of sensitive data stored in…