Kim Laine

Simple Encrypted Arithmetic Library - SEAL v2.1.

2017 · IACR Cryptology ePrint Archive

Achieving fully homomorphic encryption was a longstanding open problem in cryptography until it was resolved by Gentry in 2009. Soon after, several homomorphic encryption schemes were proposed. The early homomorphic encryption schemes were extremely impractical, …

PIR with compressed queries and amortized query processing.

2017 · IACR Cryptology ePrint Archive

Private information retrieval (PIR) is a key building block in many privacy-preserving systems. Unfortunately, existing constructions remain very expensive. This paper introduces two techniques that make the computational variant of PIR (CPIR) more efficient in …