Li-Ping Wang
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126
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Crypto×1Info Theory×1
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2026
Efficient DPF-based Error-Detecting Information-Theoretic Private Information Retrieval Over Rings
The paper proposes a novel ring-based information-theoretic Private Information Retrieval (itED-PIR) scheme that overcomes the key size and communication overhead limitations of existing field-based APIR by utilizing prime-power-order Distributed Point Functions (DPFs).
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