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A Novel Distributed Token-Based Access Control Algorithm Using A Secret Sharing Scheme for Secure Data Access Control

– Electronic health (e-Health) services present a proficient exchange of the patient's records among various entities; they contain physicians, receptionists, nurses, insurance businesses, and lab technologists. The data owner signifies content providers who could record and distribute health reports at the Medical History Database Server (MHDS) surroundings for distribution in e-Health. The MHDS model presents huge chances to sustain supple and prohibited data swap. However, access control provides the MHDS pretense with a severe challenge which hinders the broad acceptance of MHDS-based e-Health services. One major issue needs to be resolved to carry out protected data exchange: 1) how can these communications entities manage access? Many attempts have been made in the past to offer safe and trustworthy access control to e-Health services. However, due to a shortage of trust and the dynamic nature of e-Health services, the model would be vulnerable to many threats and attacks. This work proposed Distributed Token-based Access Control (DTAC) algorithm to deal with this problem. This algorithm allows patients and doctors to put their information on the MHDS and execute protected data swaps with a healthcare provider. The experimental results show that DTAC algorithms provide secure and flexible access control with less computation time and less network latency in the healthcare environment in heterogeneous networks.