Security of Cloud Service Provisioning Using Attribute Based Encryption

Today, cloud computing has become important research area and more enterprises are adopting the Cloud based strategy for their businesses. In this case, user access control is the primary concern for cloud users and cloud service providers. User accesses are key factor in determining how much they have to pay to the Service Provider (SP). So, SP needs to deploy secure access control mechanism in provisioning the services to the users. In cloud computing, services are delivered as web services using Simple Object Access Protocol (SOAP) message format.