An Efficient File Hierarchy Attribute-Based Encryption Scheme in Cloud Computing

An Efficient File Hierarchy Attribute-Based Encryption Scheme in Cloud Computing Abstract Ciphertext-policy attribute-based encryption (CP-ABE) has been a preferred encryption technology to solve the challenging problem of secure data sharing in cloud computing. The shared data files generally have the characteristic of multilevel hierarchy, particularly in the area of healthcare and the military. However, the […]


Providing user security guarantees in public infrastructure

Providing user security guarantees in public infrastructure clouds Abstract The infrastructure cloud (IaaS) service model offers improved resource flexibility and availability, where tenants – insulated from the minutiae of hardware maintenance – rent computing resources to deploy and operate complex systems. Large-scale services running on IaaS platforms demonstrate the viability of this model; nevertheless, many organizations operating […]