Engineering Authentication Process with Cloud Computing

Abstract

Cloud computing is a way to increase the capacity or add capabilities dynamically without any upfront investments. Despite the growth achieved from the cloud computing, security is still questionable which impacts the cloud model adoption. Aside of having network and application securities being adopted, there must be a security that authenticate the user when accessing the cloud services that is bound to the rules between the cloud computing provider and the client side. The existing system provides authentication based on keys Encryption algorithms either symmetric key-based or asymmetric are key-based. Both encryption approaches have a major problem related to encryption key management i.e. how to securely generate, store, access and exchange secrete keys. In this paper, an optimized infrastructure for secure authentication and authorization in Cloud Environment using SSO (Single Sign-On) is proposed. SSO is a process of authenticating once and gain access of multiple resources that aims at reducing number of login and password in heterogeneous environment and to gain balance in Security, Efficiency and Usability. Also an authentication model for cloud computing based on the Kerberos protocol to provide single sign-on and to prevent against DDOS attacks is also presented in this paper.