Affiliation:
1. Vellore Institute of Technology, Chennai, India
2. Sri Sivasubramaniya Nadar College of Engineering, Chennai, India
Abstract
Cloud computing is a recent technology that facilitates wide access and storage on the internet. Cloud computing faces few challenges like data loss, quality issues, and data security. Data security became a major concern in the cloud domain as the demand for cloud services is increasing drastically due to its scalability and allowance of concurrent access to users for using various cloud resources. As a consequence, malicious attacks and data breaches happen which also affect other cloud users. Cloud security is made possible with cryptography, which protects from malware and unauthorized users. Traditional cryptographic algorithms are often used to provide data privacy, integrity, and confidentiality. Most recently, a new data encryption scheme was proposed for cloud computing that uses quantum cryptography to improve security. The proposed chapter will provide the complete details about need of data security in cloud computing, significance of cryptography in cloud, existing cryptographic solutions, and proposes a generic model for cloud data security.