Survey on Cryptographic Schemes for Security in Cloud Data Storage
نویسنده
چکیده
A Cloud data storage system consists of collection of storage servers over the internet which provides long term storage services. The data stored in a third party’s cloud system may cause serious concern over data confidentiality. To keep sensitive user data confidential against un-trusted servers and to provide security, access control in cloud there are some cryptographic techniques specially used for secure cloud storage. The data shared over network need to be encrypted. To provide security and access control over the network there are many encryption schemes. In this paper, we analyze and explore the different type of data encryption techniques available for cloud security such as identity proxy reencryption, Key private proxy re-encryption, Attribute based proxy re-encryption, Type based proxy re-encryption. Identity based proxy re-encryption and Threshold proxy re-encryption. Keywords— cloud security, proxy re-encryption, identity Based Proxy Re-encryption Scheme, MH-IBPRE
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