On the bit security of the weak Diffie-Hellman problem. - Dongyoung Roh; Sang Geun Hahn (Inf. Process. Lett., 2010)

The square root Diffie-Hellman problem. - Dongyoung Roh; Sang Geun Hahn (Des. Codes Cryptogr., 2012)

Format-Preserving Encryption Algorithms Using Families of Tweakable Blockciphers. - Jung-Keun Lee; Bonwook Koo; Dongyoung Roh; Woo-Hwan Kim; Daesung Kwon (ICISC, 2014)

Converting random bits into random numbers. - Bonwook Koo; Dongyoung Roh; Daesung Kwon (J. Supercomput., 2014)

Analysis of Error Terms of Signatures Based on Learning with Errors. - Jeongsu Kim; Suyong Park; Seonggeun Kim; Busik Jang; Sang Geun Hahn; Sangim Jung; Dongyoung Roh (ICISC, 2016)

Comment on the Security of an Order-Preserving Encryption Scheme Using Pseudo-Random Function. - Minkyu Kim; Je Hong Park; Dongyoung Roh (IEICE Trans. Commun., 2016)

CHAM: A Family of Lightweight Block Ciphers for Resource-Constrained Devices. - Bonwook Koo; Dongyoung Roh; Hyeonjin Kim; Younghoon Jung; Donggeon Lee; Daesung Kwon (ICISC, 2017)

The l-th power Diffie-Hellman problem and the l-th root Diffie-Hellman problem. - Dongyoung Roh; I-Yeol Kim; Sang Geun Hahn (Appl. Algebra Eng. Commun. Comput., 2018)

Winternitz Signature Scheme Using Nonadjacent Forms. - Dongyoung Roh; Sangim Jung; Daesung Kwon (Secur. Commun. Networks, 2018)

Revised Version of Block Cipher CHAM. - Dongyoung Roh; Bonwook Koo; Younghoon Jung; Ilwoong Jeong; Donggeon Lee; Daesung Kwon; Woo-Hwan Kim (ICISC, 2019)

Validity of Differential Characteristics of ARX Block Ciphers. - Dongyoung Roh (IEEE Access, 2023)

New Linear Trails and Linear Hulls of CHAM. - Dongyoung Roh (IEEE Access, 2024)

Applying the Simple Partial Discard Method to Crystals-Kyber. - Dongyoung Roh; Sangim Jung (IEEE Access, 2024)