The efficiency of computation is one of the prime concerns in public key cryptography. The
notion of online/offline framework speeds up the process of encryption and signing. In this …

Abstract Internet of Things (IoT) cloud provides a practical and scalable solution to
accommodate the data management in large-scale IoT systems by migrating the data …

Personal health record (PHR) is a patient-centric model of health information exchange,
which greatly facilitates the storage, access, and share of personal health information. In …

Smart hospitals are leveraging cloud computing as a practical platform for storing and
sharing medical data, enhancing medical analyses. However, entrusting sensitive medical …

Attribute-based encryption is a form of encryption which offers the capacity to encrypt data
such that it is only accessible to individuals holding a satisfactory configuration of attributes …

In Distributed systems, the users with a certain set of attributes can only be able to access
the data. At present this process can be done through a trusted server where we will store …

Cloud technology is advancing at a rapid pace. Many applications and multimedia data are
hosted in the cloud, Security, confidentiality, and efficiency are the key drawbacks of cloud …

This paper proposes an efficient key-policy attribute based signature (ABS) scheme with
constant-size signature for expressive linear secret-sharing scheme (LSSS)-realizable …