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A Simpler Rate-Optimal CPIR Protocol
Communication complexity computationally-private information retrieval cryptographic protocols
2017/7/28
In PETS 2015, Kiayias, Leonardos, Lipmaa, Pavlyk, and Tang proposed the first (n,1)(n,1)-CPIR protocol with rate 1−o(1)1−o(1). They use advanced techniques from multivariable calculus (lik...
Efficient Multi-Query CPIR from Ring-LWE
cryptographic protocols / Circuit complexity compressed constant-weight codes computational batch codes CPIR parallel computation ring-LWE
2012/3/22
We propose an $(n, m)$-computationally-private information retrieval (CPIR) protocol with rate $1 - o (1)$ and highly nontrivial (sublinear and data-dependent) server's computational complexity. For t...
Efficient Multi-Query CPIR from Ring-LWE
cryptographic protocols / Circuit complexity compressed constant-weight codes computational batch codes CPIR parallel computation ring-LWE
2012/3/21
We propose an $(n, m)$-computationally-private information retrieval (CPIR) protocol with rate $1 - o (1)$ and highly nontrivial (sublinear and data-dependent) server's computational complexity. For t...
We propose an $(n, m)$-computationally-private information retrieval (CPIR) protocol with rate $1 - o (1)$ and highly nontrivial (sublinear and data-dependent) server's computational complexity. For t...
How to Disassemble CPIR: First CPIR with Database-Dependent Computation
Binary decision diagram computationally-private information retrieval privacy-preserving data
2009/8/18
We design a new (single-server) (n; 1)-CPIR protocol BddCpir for `-bit strings as a combination of
a noncryptographic (binary decision diagram-based) data structure and a more basic cryptographic pri...