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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...

    Hao Chen, Ilaria Chillotti, Yongsoo Song in Advances in Cryptology – EUROCRYPT 2019 (2019)

  2. No Access

    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 ...

    Duhyeong Kim, Yongsoo Song in Information Security and Cryptology – ICISC 2018 (2019)

  3. 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...

    Jung Hee Cheon, Kyoohyung Han, Andrey Kim… in Advances in Cryptology – EUROCRYPT 2018 (2018)

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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...

    Hyung-sun Kim, Gen-Soo Song, Hyo-Beom Ahn… in Knowledge Management in Organizations (2015)