Towards a theory of software protection and simulation by oblivious RAMs
STOC '87 Proceedings of the nineteenth annual ACM symposium on Theory of computing
Software protection and simulation on oblivious RAMs
Journal of the ACM (JACM)
Private information storage (extended abstract)
STOC '97 Proceedings of the twenty-ninth annual ACM symposium on Theory of computing
Computationally private information retrieval (extended abstract)
STOC '97 Proceedings of the twenty-ninth annual ACM symposium on Theory of computing
Space/time trade-offs in hash coding with allowable errors
Communications of the ACM
Handbook of Applied Cryptography
Handbook of Applied Cryptography
FOCS '95 Proceedings of the 36th Annual Symposium on Foundations of Computer Science
Replication is not needed: single database, computationally-private information retrieval
FOCS '97 Proceedings of the 38th Annual Symposium on Foundations of Computer Science
Terra: a virtual machine-based platform for trusted computing
SOSP '03 Proceedings of the nineteenth ACM symposium on Operating systems principles
Hiding Data Accesses in Steganographic File System
ICDE '04 Proceedings of the 20th International Conference on Data Engineering
Building castles out of mud: practical access pattern privacy and correctness on untrusted storage
Proceedings of the 15th ACM conference on Computer and communications security
A Framework for the Analysis of Mix-Based Steganographic File Systems
ESORICS '08 Proceedings of the 13th European Symposium on Research in Computer Security: Computer Security
Traffic analysis attacks on a continuously-observablesteganographic file system
IH'07 Proceedings of the 9th international conference on Information hiding
Achieving secure, scalable, and fine-grained data access control in cloud computing
INFOCOM'10 Proceedings of the 29th conference on Information communications
Secure Ranked Keyword Search over Encrypted Cloud Data
ICDCS '10 Proceedings of the 2010 IEEE 30th International Conference on Distributed Computing Systems
Efficient and Private Access to Outsourced Data
ICDCS '11 Proceedings of the 2011 31st International Conference on Distributed Computing Systems
A light-weight solution to preservation of access pattern privacy in un-trusted clouds
ESORICS'11 Proceedings of the 16th European conference on Research in computer security
A light-weight solution to preservation of access pattern privacy in un-trusted clouds
ESORICS'11 Proceedings of the 16th European conference on Research in computer security
Inference attack against encrypted range queries on outsourced databases
Proceedings of the 4th ACM conference on Data and application security and privacy
Supporting concurrency and multiple indexes in private access to outsourced data
Journal of Computer Security - Research in Computer Security and Privacy: Emerging Trends
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Cloud computing is a new computing paradigm that is gaining increased popularity. More and more sensitive user data are stored in the cloud. The privacy of users' access pattern to the data should be protected to prevent un-trusted cloud servers from inferring users' private information or launching stealthy attacks. Meanwhile, the privacy protection schemes should be efficient as cloud users often use thin client devices to access the cloud. In this paper, we propose a lightweight scheme to protect the privacy of data access pattern. Comparing with existing state-of-the-art solutions, our scheme incurs less communication and computational overhead, requires significantly less storage space at the cloud user, while consuming similar storage space at the cloud server. Rigorous proofs and extensive evaluations have been conducted to demonstrate that the proposed scheme can hide the data access pattern effectively in the long run after a reasonable number of accesses have been made.