TENANT-LED CIPHERTEXT INFORMATION FLOW CONTROL FOR CLOUD VIRTUAL MACHINES

When users upload their private data to the cloud, they lose control of the data stored in the cloud server.If the cloud system cannot provide an effective security mechanism to protect the data, the consequent data leakage issue will hinder the development of cloud computing.Conventional access control and encryption technologies here cannot effec

On 28 June 1914 Bosnian nationalists had assassinated the Archduke Franz Ferdinand, heir to the Austrian throne, and thus unwittingly precipitated the sequence of diplomatic and military preparations which propelled Europe to war.By the end of July the major continental powers had mobilised and by early August Germany was at equi-jec 7 war with bot