Abstract-Due to economic benefits of cloud computing,
consumers have rushed to adopt Cloud Computing. Apart from
rushing into cloud, security concerns are also raised. These
security concerns cause trust issue in adopting cloud computing.
Enterprises adopting cloud, will have no more control over data,
application and other computing resources that are outsourced
from cloud computing provider. In this paper we propose a novel
technique that will not leave consumer alone in cloud
environment. Firstly we present theoretical analysis of selected
state of the art technique and identified issues in IaaS cloud
computing. Secondly we propose Distributed Trust Protocol for
IaaS Cloud Computing in order to mitigate trust issue between
cloud consumer and provider. Our protocol is distributed in
nature that lets the consumer to check the integrity of cloud
computing platform that is in the premises of provider's
environment. We follow the rule of security duty separation
between the premises of consumer and provider and let the
consumer be the actual owner of the platform. In our protocol,
user VM hosted at IaaS Cloud Computing uses Trusted Boot
process by following specification of Trusted Computing Group
(TCG) and by utilizing Trusted Platform Module (TPM) Chip of
the consumer. The protocol is for the Infrastructure as a Service
IaaS i.e. lowest service delivery model of cloud computing.
Index Terms-Trusted cloud computing, cloud computing,
trusted computing, cloud security and trust, virtualization.