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SpringerBriefs in Computer Science
Data access control is an effective way to ensure the data security in the cloud. However, due to data outsourcing and untrusted cloud servers, the data access control becomes a challenging issue in cloud storage systems. Existing access control schemes are no longer applicable to cloud storage systems, because they either produce multiple encrypted copies of the same data or require a fully trusted cloud server. Ciphertext-Policy Attribute-based Encryption (CP-ABE) is a promising technique fordoi:10.1007/978-1-4614-7873-7_4 fatcat:xga6xi7dfrbjxp3jbt6jhphfke