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Dive into the research topics where Namhun Koo is active.

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Featured researches published by Namhun Koo.


Designs, Codes and Cryptography | 2015

New cube root algorithm based on the third order linear recurrence relations in finite fields

Gook Hwa Cho; Namhun Koo; Eunhye Ha; Soonhak Kwon

In this paper, we present a new cube root algorithm in the finite field


Bulletin of The Korean Mathematical Society | 2016

ON NONLINEAR POLYNOMIAL SELECTION AND GEOMETRIC PROGRESSION (MOD N) FOR NUMBER FIELD SIEVE

Gook Hwa Cho; Namhun Koo; Soonhak Kwon


Applicable Algebra in Engineering, Communication and Computing | 2018

On the Cipolla–Lehmer type algorithms in finite fields

Gook Hwa Cho; Byeong-Hwan Go; Chang Heon Kim; Namhun Koo; Soonhak Kwon

\mathbb {F}_{q}


IEEE Transactions on Computers | 2016

On

Namhun Koo; Gook Hwa Cho; Soonhak Kwon


The Journal of Korean Institute of Communications and Information Sciences | 2011

r

Gooc-Hwa Jo; Namhun Koo; Soonhak Kwon

Fq with


The Journal of Korean Institute of Communications and Information Sciences | 2011

-th Root Extraction Algorithm in

Namhun Koo; Gook-Hwa Jo; Chang-Hoon Kim; Soonhak Kwon


Electronics Letters | 2013

\mathbb {F}_q

Namhun Koo; Gook Hwa Cho; Soonhak Kwon

q


Electronics Letters | 2014

for

Geon Heo; Seokhwan Choi; Kwang Ho Lee; Namhun Koo; Soonhak Kwon


IACR Cryptology ePrint Archive | 2011

q\equiv lr^{s}+1\;({\mathrm mod}\; r^{s+1})

Namhun Koo; Gooc Hwa Jo; Soonhak Kwon

q a power of prime, which extends the Cipolla–Lehmer type algorithms (Cipolla, Un metodo per la risolutione della congruenza di secondo grado, 1903; Lehmer, Computer technology applied to the theory of numbers, 1969). Our cube root method is inspired by the work of Müller (Des Codes Cryptogr 31:301–312, 2004) on the quadratic case. For a given cubic residue


arXiv: Cryptography and Security | 2015

with

Namhun Koo; Gook Hwa Cho; Byeonghwan; Soonhak Kwon

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Soonhak Kwon

Sungkyunkwan University

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Gook Hwa Cho

Sungkyunkwan University

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Eunhye Ha

Sungkyunkwan University

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Gooc Hwa Jo

Sungkyunkwan University

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