: with the advent of cloud computing, it has turned out to be progressively prevalent for data owners tooutsource their information to open cloud servers while permitting information clients to recover this information. Forprotection concerns, secure ventures over encrypted cloud information have motivated a few research works under thesingle owner model. In any case, most cloud servers in practice don't simply serve one owner; rather, they supportvarious owners to share the advantages brought by distributed computing. Hence these data owners can upload theirfiles over the cloud so that the different data users could find various files and use them.