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M.Tech / M.E / PhD Thesis | Electronics & Communication Engineering | India | Volume 5 Issue 3, March 2016
Multiple Attribute Based Data Security in Cloud Computing ? A Review
Nitica Bir | Maninder Kaur 
Abstract: In this new era, receptive data is stored and shared on internet. Cloud computing is one of the upcoming technologies used for bulk data and its storage. It is revolutionary computer paradigm which enables flexible, on demand and low cost usage of computing resources. Cloud storage provides virtualized pools of storage and people buy or lease storage capacity from them. For remote data storage, data security and privacy are critical issues. A secure user enforced data access control mechanism must be provided before cloud users have liberty to outsource sensitive data to cloud for storage. To avoid unauthorized access, data should be encrypted before outsourcing. To deal with security problems, various schemes based on attribute- based encryption have been proposed. Attribute is a way of public key encryption in which secret key of user and cipher text are dependent. The decryption of cipher text is only the set of attributes of user key matching the attributes of cipher text. Attribute-based encryption also enables access control over encrypted data using access policies and ascribed attributes. Encrypter has full control over access rights, providing feasible key management. In role- based system, policies can be generated and based in that policies, encryption can be done. Generation of access key is based on access policies assigned to each user along with attributes. The data stored in cloud is encrypted and decrypted using a key generated based in access permissions assigned to data attributes of owner who share their data with high security and integrity using policy based multiple attribute based encryption (MABE).
Keywords: Cloud computing, Storage in cloud Access key, Access control, Security, MABE, Attribute-based encryption
Edition: Volume 5 Issue 3, March 2016,
Pages: 426 - 428
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