Constructing and Cryptanalysis of a 16 × 16 Binary Matrix as a Diffusion Layer. - Bonwook Koo; Hwan Seok Jang; Jung Hwan Song (WISA, 2003)

On Constructing of a 32 ×32 Binary Matrix as a Diffusion Layer for a 256-Bit Block Cipher. - Bonwook Koo; Hwan Seok Jang; Jung Hwan Song (ICISC, 2006)

Improved Impossible Differential Attacks on Large-Block Rijndael. - Lei Zhang 012; Wenling Wu; Je Hong Park; Bonwook Koo; Yongjin Yeom (ISC, 2008)

Preimage Attacks on Reduced Steps of ARIRANG and PKC98-Hash. - Deukjo Hong; Bonwook Koo; Woo-Hwan Kim; Daesung Kwon (ICISC, 2009)

Improved Preimage Attack for 68-Step HAS-160. - Deukjo Hong; Bonwook Koo; Yu Sasaki (ICISC, 2009)

Preimage Attack on ARIRANG. - Deukjo Hong; Woo-Hwan Kim; Bonwook Koo (IACR Cryptol. ePrint Arch., 2009)

Related-Key Attack on the Full HIGHT. - Bonwook Koo; Deukjo Hong; Daesung Kwon (ICISC, 2010)

Security of the Misty Structure Using Involutions as Round Functions. - Jooyoung Lee; Bonwook Koo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

Biclique Attack on the Full HIGHT. - Deukjo Hong; Bonwook Koo; Daesung Kwon (ICISC, 2011)

Related-Key Boomerang Attack on Block Cipher SQUARE. - Bonwook Koo; Yongjin Yeom; Jung Hwan Song (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Preimage and Second-Preimage Attacks on PGV Hashing Modes of Round-Reduced ARIA, Camellia, and Serpent. - Deukjo Hong; Bonwook Koo; Dong-Chan Kim (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 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)

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)

Differential property of Present-like structure. - Deukjo Hong; Bonwook Koo; Changho Seo (Discret. Appl. Math., 2018)

Related-Key Linear Cryptanalysis on SIMON. - Jung-Keun Lee; Bonwook Koo; Woo-Hwan Kim (IACR Cryptol. ePrint Arch., 2018)

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

A General Framework for the Related-Key Linear Attack Against Block Ciphers with Linear Key Schedules. - Jung-Keun Lee; Bonwook Koo; Woo-Hwan Kim (SAC, 2019)

Rotational-XOR Rectangle Cryptanalysis on Round-Reduced Simon. - Bonwook Koo; Younghoon Jung; Woo-Hwan Kim (Secur. Commun. Networks, 2020)

Comments on "Certificateless Short Aggregate Signature Scheme for Mobile Devices". - Je Hong Park; Bonwook Koo (IEEE Access, 2024)

Comments on "A Conditional Privacy-Preserving Certificateless Aggregate Signature Scheme in the Standard Model for VANETs". - Je Hong Park; Bonwook Koo (IEEE Access, 2024)