76 citations · 88 across the 3 of their papers we have counts for
4 papers
Distributed Attribute-Based Access Control System Using a Permissioned Blockchain
Sara Rouhani, Rafael Belchior, Rui S. Cruz +1
Auditing provides an essential security control in computer systems, by keeping track of all access attempts, including both legitimate and illegal access attempts. This phase can…
Blockchain based access control systems: State of the art and challenges
Sara Rouhani, Ralph Deters
Access to the system resources. The current access control systems face many problems, such as the presence of the third-party, inefficiency, and lack of privacy. These problems ca…
A Case Study of Execution of Untrusted Business Process on Permissioned Blockchain
Vahid Pourheidari, Sara Rouhani, Ralph deters
Many studies have been done to improve the performance of centrally controlled business processes and enhance the integration between different parties of these collaborations. How…
MediChainTM: A Secure Decentralized Medical Data Asset Management System
Sara Rouhani, Luke Butterworth, Adam D. Simmons +2
The set of distributed ledger architectures known as blockchain is best known for cryptocurrency applications such as Bitcoin and Ethereum. These permissionless block chains are sh…