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On Quantum Advantage in Information Theoretic Single-Server PIR
quantum complexity private information retrieval specious security
2019/3/4
In (single-server) Private Information Retrieval (PIR), a server holds a large database DBDB of size nn, and a client holds an index i∈[n]i∈[n] and wishes to retrieve DB[i]DB[i] without revealing ii t...
Fortified Universal Composability: Taking Advantage of Simple Secure Hardware Modules
universal composability secure hardware modules
2018/5/30
We initiate the study of incorporating remotely unhackable hardware modules, such as air-gap switches and data diodes, into the field of multi-party computation. As a result, we are able to construct ...
Improvement of Lin-Tzeng Solution to Yao's Millionaires Problem and Its Cheating Advantage Analysis
Semi-honest assumption Exponentially lifting transform
2014/3/5
In 2005, Lin and Tzeng proposed a solution to Yao's Millionaires problem in the setting of semi-honest parties. At the end of the protocol only the party (Alice) who is responsible for setting up the ...