Özet:

Cloud computing is the transportation of computing assistance and the opportunity of computer system assets for storing of data and calculating ability without the administration of the user. Against the publishing business and the technical applications of cloud, more probable users are still to join the cloud and the users of cloud can put their less confidential data in the cloud. Loss of security in the cloud is an important problem. The information will be encrypted and gathered in the storage of cloud .The problem here is the informations can be send to or from a cloud in encrypted mode, the servers that function the cloud will not any task on it. In this paper wereviewe the homomorphic encryption techniques, Advantages and disadvantages of various research papers.

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