provides reviews, contact information, driving directions and the. We provide a theoretical analysis of the security of the proposed protocol and the experimental results measured from a real-world testbed. Seneviratne is a fellowship trained, Board Certified Orthopaedic Surgeon and an Associate Professor of Orthopedic Surgery at the Mount Sinai Medical System and Icahn School of Medicine. Aruna Seneviratne is a Surgeon at 300 Cadman Plaza West, Brooklyn, NY 11201. Our scheme provides fine-grained read/write access to the users, accompanied with a light weight signature scheme and computationally inexpensive user revocation mechanism suitable for resource-constrained mobile devices.
We propose a protocol for providing different levels of access to outsourced data that permits the authorized users to perform write operation without altering the access policy specified by the data owner. This book constitutes the thoroughly refereed post-conference proceedings of the 7th International ICST Conference on Mobile and Ubiquitous Systems. One limitation of CP-ABE is that the users can modify the access policy specified by the data owner if write operations are introduced in the scheme. Aruna Seneviratne is an orthopedic surgeon in New York, NY and is affiliated with multiple hospitals in the area, including The Mount Sinai Hospital. We consider Ciphertext-Policy Attribute-based Encryption (CP-ABE) scheme as it can provide access control on encrypted outsourced data. In this paper, we explore the problem of providing selective read/write access to the outsourced data for clients using mobile devices in an environment that supports users from multiple domains and where attributes are generated by multiple authorities.
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