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FutORAMa: A Concretely Efficient Hierarchical Oblivious RAM
Oct. 30, 2023, 2:24 a.m. |
IACR News www.iacr.org
ePrint Report: FutORAMa: A Concretely Efficient Hierarchical Oblivious RAM
Gilad Asharov, Ilan Komargodski, Yehuda Michelson
Oblivious RAM (ORAM) is a general-purpose technique for hiding memory access patterns. This is a fundamental task underlying many secure computation applications. While known ORAM schemes provide optimal asymptotic complexity, despite extensive efforts, their concrete costs remain prohibitively expensive for many interesting applications. The current state-of-the-art practical ORAM schemes are suitable only for somewhat small memories (Square-Root ORAM or Path ORAM).
This work presents a …
access applications complexity computation concrete eprint report general memory oblivious patterns purpose report secure computation task
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