Privacy Preserving Image Encryption Approach for Cloud Storage

Abstract

Hundreds of thousands of medical images are generated every single year for patients all around the world. The healthcare institutions confront the enormous challene to manage, archive, and retrieve the massive volume of medical images. Cloud is seen as a reliable solution to handle the medical imaging data; however, the need for a medical imaging management system which can preserve privacy and reliable is a must. Therefore, in this paper, a new encryption approach for medical images in cloud storage is proposed to handle privacy preserving image retrieval from the cloud. The proposed encryption approach has utilized the elliptic curve cryptography (ECC) encryption algorithm to encrypt data and store it in the cloud. The proposed approach has compared against other image encryption approaches. Results show that the proposed image encryption approach enhances the speed of the encryption process significantly and manage some powerful security features. The average processing time has decreased from 25 seconds to only 0.1 seconds.