Namhun Koo

Publication Activity (10 Years)

Years Active: 2011-2024
Publications (10 Years): 27

Top Topics

Signature Scheme

Provably Secure

Designated Verifier

Security Analysis

Top Venues

Finite Fields Their Appl.

IACR Trans. Cryptogr. Hardw. Embed. Syst.

IACR Cryptol. ePrint Arch.

Publications

Jaeseong Jeong, Namhun Koo, Soonhak Kwon
The second-order zero differential uniformity of the swapped inverse functions over finite fields. CoRR (2024)
Nhan-Phu Chung, Jaeseong Jeong, Namhun Koo, Soonhak Kwon
cc-differential uniformity, (almost) perfect cc-nonlinearity, and equivalences. CoRR (2023)
Jaeseong Jeong, Namhun Koo, Soonhak Kwon
. CoRR (2023)
Jaeseong Jeong, Namhun Koo, Soonhak Kwon
-differential uniformity of permutations with Carlitz rank 3. Finite Fields Their Appl. 86 (2023)
Jaeseong Jeong, Namhun Koo, Soonhak Kwon
On non-monomial APcN permutations over finite fields of even characteristic. Finite Fields Their Appl. 89 (2023)
Jaeseong Jeong, Namhun Koo, Soonhak Kwon
Low c-differential uniformity of the swapped inverse function in odd characteristic. Discret. Appl. Math. 336 (2023)
Jaeseong Jeong, Namhun Koo, Soonhak Kwon
On the boomerang uniformity of permutations of low Carlitz rank. Finite Fields Their Appl. 81 (2022)
Jaeseong Jeong, Namhun Koo, Soonhak Kwon
Low c-Differential Uniformity of the Swapped Inverse Function in Odd Characteristic. CoRR (2022)
Jaeseong Jeong, Namhun Koo, Soonhak Kwon
New differentially 4-uniform permutations from modifications of the inverse function. Finite Fields Their Appl. 77 (2022)
Jaeseong Jeong, Namhun Koo, Soonhak Kwon
Investigations of c-Differential Uniformity of Permutations with Carlitz Rank 3. CoRR (2022)
Jaeseong Jeong, Namhun Koo, Soonhak Kwon
On non-monimial APcN permutations over finite fields of even characteristic. CoRR (2022)
Kyung-Ah Shim, Sangyub Lee, Namhun Koo
Efficient Implementations of Rainbow and UOV using AVX2. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2022 (1) (2022)
Jaeseong Jeong, Chang Heon Kim, Namhun Koo, Soonhak Kwon, Sumin Lee
). IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (8) (2022)
Jaeseong Jeong, Namhun Koo, Soonhak Kwon
Constructing differentially 4-uniform involutions over F22k by using Carlitz form. Finite Fields Their Appl. 78 (2022)
Kyung-Ah Shim, Cheol-Min Park, Namhun Koo
An Efficient MQ-Signature Scheme Based on Sparse Polynomials. IEEE Access 8 (2020)
Jaeseong Jeong, Namhun Koo, Soonhak Kwon
On the Boomerang Uniformity of Permutations of Low Carlitz Rank. CoRR (2020)
Kyung-Ah Shim, Cheol-Min Park, Namhun Koo, Hwajeong Seo
A High-Speed Public-Key Signature Scheme for 8-b IoT-Constrained Devices. IEEE Internet Things J. 7 (4) (2020)
Kyung-Ah Shim, Namhun Koo
Algebraic Fault Analysis of UOV and Rainbow With the Leakage of Random Vinegar Values. IEEE Trans. Inf. Forensics Secur. 15 (2020)
Jaeseong Jeong, Chang Heon Kim, Namhun Koo, Soonhak Kwon, Sumin Lee
. IACR Cryptol. ePrint Arch. 2019 (2019)
Gook Hwa Cho, Byeonghwan Go, Chang Heon Kim, Namhun Koo, Soonhak Kwon
On the Cipolla-Lehmer type algorithms in finite fields. Appl. Algebra Eng. Commun. Comput. 30 (2) (2019)
Aesun Park, Kyung-Ah Shim, Namhun Koo, Dong-Guk Han
Side-Channel Attacks on Post-Quantum Signature Schemes based on Multivariate Quadratic Equations - Rainbow and UOV -. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2018 (3) (2018)
Kyung-Ah Shim, Cheol-Min Park, Namhun Koo
Cryptanalysis of RGB, a mixed multivariate signature scheme. Finite Fields Their Appl. 45 (2017)
Kyung-Ah Shim, Namhun Koo, Cheol-Min Park
Security Analysis of Improved Cubic UOV Signature Schemes. ICISC (2017)
Kyung-Ah Shim, Cheol-Min Park, Namhun Koo
An Existential Unforgeable Signature Scheme Based on Multivariate Quadratic Equations. ASIACRYPT (1) (2017)
Namhun Koo, Gook Hwa Cho, Soonhak Kwon
) with 0<l<r and Small s. IEEE Trans. Computers 65 (1) (2016)
Namhun Koo, Gook Hwa Cho, Byeonghwan Go, Soonhak Kwon
An Improvement of the Cipolla-Lehmer Type Algorithms. CoRR (2015)
Gook Hwa Cho, Namhun Koo, Eunhye Ha, Soonhak Kwon
New cube root algorithm based on the third order linear recurrence relations in finite fields. Des. Codes Cryptogr. 75 (3) (2015)
Geon Heo, Seokhwan Choi, Kwang Ho Lee, Namhun Koo, Soonhak Kwon
. IACR Cryptol. ePrint Arch. 2014 (2014)
Gook Hwa Cho, Namhun Koo, Eunhye Ha, Soonhak Kwon
New Cube Root Algorithm Based on Third Order Linear Recurrence Relation in Finite Field. IACR Cryptol. ePrint Arch. 2013 (2013)
Gook Hwa Cho, Namhun Koo, Eunhye Ha, Soonhak Kwon
Trace Expression of r-th Root over Finite Field. IACR Cryptol. ePrint Arch. 2013 (2013)
Namhun Koo, Gook Hwa Cho, Soonhak Kwon
). IACR Cryptol. ePrint Arch. 2013 (2013)
Namhun Koo, Gook Hwa Cho, Soonhak Kwon
) with 0 < l < r and Small s. IACR Cryptol. ePrint Arch. 2013 (2013)
Namhun Koo, Gooc Hwa Jo, Soonhak Kwon
On Nonlinear Polynomial Selection and Geometric Progression (mod N) for Number Field Sieve. IACR Cryptol. ePrint Arch. 2011 (2011)