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Better Bootstrapping for Approximate Homomorphic Encryption
Homomorphic Encryption Bootstrapping Polynomial Approximation
2019/6/12
After Cheon et al. (Asiacrypt' 17) proposed approximate homomorphic encryption for operations between encrypted real (or complex) numbers, this scheme is widely used in various fields with the needs o...
A Full RNS Variant of Approximate Homomorphic Encryption
Approximate Homomorphic Encryption Residue Number System
2018/11/8
The technology of homomorphic encryption has improved rapidly in a few years. The cutting edge implementations are efficient enough to use in practical applications. Recently, Cheon et al. (ASIACRYPT'...
Approximate Homomorphic Encryption over the Conjugate-invariant Ring
ring learning with errors homomorphic encryption real number arithmetic
2018/11/6
The Ring Learning with Errors (RLWE) problem over a cyclotomic ring has been the most widely used hardness assumption for the construction of practical homomorphic encryption schemes. However, this re...
Improved Bootstrapping for Approximate Homomorphic Encryption
Fully Homomorphic Encryption Bootstrapping
2018/11/2
Since Cheon et al. introduced a homomorphic encryption scheme for approximate arithmetic (Asiacrypt ’17), it has been recognized as suitable for important real-life usecases of homomorphic encryption,...
Logistic Regression Model Training based on the Approximate Homomorphic Encryption
homomorphic encryption machine learning logistic regression
2018/3/8
Security concerns have been raised since big data became a prominent tool in data analysis. For instance, many machine learning algorithms aim to generate prediction models using training data which c...
Bootstrapping for Approximate Homomorphic Encryption
Homomorphic encryption approximate arithmetic bootstrapping
2018/3/7
This paper extends the leveled homomorphic encryption scheme for an approximate arithmetic of Cheon et al. (ASIACRYPT 2017) to a fully homomorphic encryption, i.e., we propose a new technique to refre...