Abstract:Many applications that benefit from data offload to cloud services operate on private data. A now-long line of work has shown that, even when data is offloaded in an encrypted form, an adversary can learn sensitive information by analyzing data access patterns. Existing techniques for oblivious data access-that protect against access pattern attacks-require a centralized, stateful and trusted, proxy to orchestrate data accesses from applications to cloud services. We show that, in failure-prone deployments, su… Show more
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