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Onion Ring ORAM: Efficient Constant Bandwidth Oblivious RAM from (Leveled) TFHE
Homomorphic Encryption Oblivious RAM
2019/6/24
Oblivious RAM (ORAM) is a cryptographic primitive that allows a client to hide access pattern to its data encrypted and stored at a remote server. Traditionally, ORAM algorithms assume the server acts...
In this paper, we propose a Multi-Key Homomorphic Encryption (MKHE) which allows homomorphic evaluation of a binary gate (with bootstrapping) on ciphertexts encrypted under different keys. We generali...
Chimera: a unified framework for B/FV, TFHE and HEAAN fully homomorphic encryption and predictions for deep learning
fully homomorphic encryption Ring-LWE neural network
2018/8/21
This work describes a common framework for scale-invariant families of fully homomorphic schemes based on Ring-LWE, unifying the plaintext space and the noise representation. This new formalization al...
TFHE: Fast Fully Homomorphic Encryption over the Torus
Fully Homomorphic Encryption Bootstrapping Lattices
2018/5/11
This work describes a fast fully homomorphic encryption scheme over the torus (TFHE), that revisits, generalizes and improves the fully homomorphic encryption (FHE) based on GSW and its ring variants....
Improving TFHE: faster packed homomorphic operations and efficient circuit bootstrapping
FHE leveled bootstrapping
2017/5/23
In this paper, we present several methods to improve the evaluation of homomorphic functions, both for fully and for leveled homomorphic encryption. We propose two packing methods, in order to decreas...