Sameer Wagh

The Pyramid Scheme: Oblivious RAM for Trusted Processors

2017 · arXiv (Cornell University)

Modern processors, e.g., Intel SGX, allow applications to isolate secret code and data in encrypted memory regions called enclaves. While encryption effectively hides the contents of memory, the sequence of address references issued by the …

Differentially Private Oblivious RAM

2016 · arXiv (Cornell University)

In this work, we investigate if statistical privacy can enhance the performance of ORAM mechanisms while providing rigorous privacy guarantees. We propose a formal and rigorous framework for developing ORAM protocols with statistical security viz., …