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InfoResearchPeer-reviewed
: Erasable and Portable Cloud Storage With Oblivious Key Management
- Published
- Record updated
Summary
Existing oblivious key management designs for encrypted cloud storage leak data under passive observation of the key management and storage services, and they cannot irreversibly erase deleted data. The authors propose EPCS, which guarantees irreversible erasure, supports key updates and portable authorized-device access, and enforces file-level permissions through a private mobile device. Their prototype is reported as cross-platform with low file-operation overhead under periodic key rotation.