Any blackbox single-server PIR with s-bit client storage needs Ω(n/s) amortized online communication or server crypto ops across Ω(s) queries, and blackbox DEPIR with sublinear query time is impossible.
Title resolution pending
2 Pith papers cite this work. Polarity classification is still indexing.
2
Pith papers citing it
years
2026 2representative citing papers
Direct construction of doubly efficient interactive proofs for PSPACE languages up to time bound T(n) = n^{O(log n)}.
citing papers explorer
-
Lower Bounds for PIR with Preprocessing from Blackbox Cryptography
Any blackbox single-server PIR with s-bit client storage needs Ω(n/s) amortized online communication or server crypto ops across Ω(s) queries, and blackbox DEPIR with sublinear query time is impossible.
-
Towards a Doubly Efficient IP=PSPACE
Direct construction of doubly efficient interactive proofs for PSPACE languages up to time bound T(n) = n^{O(log n)}.