Study on Revocable Data Access Control Scheme for Multi-Authority Cloud Storage Systems

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Provided by: Creative Commons
Topic: Security
Format: PDF
Cloud computing multi-tenancy feature, which provides privacy, security and access control challenges, because of sharing of physical resources among untrusted tenants. In order to achieve safe storage, policy based file access control, policy based file assured deletion and policy based renewal of a file stored in a cloud environment, a suitable encryption technique with key management should be applied before outsourcing the data. Cipher text-Policy Attribute-Based Encryption (CP-ABE) is considered as one of the most suitable scheme for data access control in cloud storage.
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