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In recent years, the electronic medical records can be easily stored with the rapid development of healthcare technology and cloud computing. However, the patient's medical information security is currently concern issue. Despite of many literatures discussed about it, these literatures still face many security challenges. Therefore, we propose an authentication scheme based on cloud environment....
In the age of big data, key-value data updated by intensive write streams is increasingly common, e.g., in social event streams. To serve such data in a cost-effective manner, a popular new paradigm is to outsource it to the cloud and store it in a scalable key-value store while serving a large user base. Due to the limited trust in third-party cloud infrastructures, data owners have to sign the data...
This paper is mainly devoted to analyze the efficiency of security administration and assurance of virtual organization(VO) in autonomous domains. For grid applications, access control is usually implemented through mapping VO-space users to autonomous domains' local users, which reduces the efficiency of security administration and bears the risk of violating security policy of these domains applying...
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