Mostafa Vali

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Cloud computing is a newfound service that has a rapid growth in IT industry during recent years. Despite the several advantages of this technology there are some issues such as security and privacy that affect the reliability of cloud computing models. Access control and user authentication are the most important security issues in cloud computing.(More)
Security issues are the most challenging problems in cloud computing environments as an emerging technology. Regarding to this importance, an efficient and reliable user authentication and data protection model has been presented in this paper to increase the rate of reliability cloud-based environments. Accordingly, two encryption procedures have been(More)
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