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Chapter and Conference Paper
Improved Bootstrap** for Approximate Homomorphic Encryption
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, includin...
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Chapter and Conference Paper
Approximate Homomorphic Encryption over the Conjugate-Invariant Ring
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 restricted ...
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Chapter and Conference Paper
Bootstrap** for Approximate Homomorphic Encryption
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 refresh low-le...
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Chapter and Conference Paper
A Study on the Effects of LED Light’s Pulse Width Modulation on Work Concentration
This study examines the effects of changes in LED lighting on a subject’s work environment by varying the characteristics of LED light provided to an experimental work environment while subjects complete an er...