TB-ASBE: Secure Key Agreement for Data Access Control Using Tree Based Attribute-set-based Encryption

Abstract

Cloud computing proliferation is immense and so the need for its security of highest importance. Amongst its various service model PAAS (platform as a service), IAAS (infrastructure as a service) and SAAS (software as a service), SAAS is the one most susceptible to security and privacy breaches. As Hybrid and community deployment models are the most popular ,we present access control using TB-ASBE (Tree Based attribute set based encryption) that is flexible with multi assignment for a particular attribute and highly scalable for fine grained access control for a SAAS model deployed on a community or hybrid cloud. It overcomes all the limitations of existing Encryption Techniques and access control policies. It Al