Efficient Oblivious Transfer in the Bounded-Storage Model. - Dowon Hong; Ku-Young Chang; Heuisu Ryu (ASIACRYPT, 2002)

The class number one problem for some non-abelian normal CM-fields of degree 48. - Ku-Young Chang; Soun-Hi Kwon (Math. Comput., 2003)

An extension of TYT algorithm for GF((2n)m) using precomputation. - Ku-Young Chang; Howon Kim 001; Ju-Sung Kang; Hyun Sook Cho (Inf. Process. Lett., 2004)

Low Complexity Bit-Parallel Multiplier for GF(2^m) Defined by All-One Polynomials Using Redundant Representation. - Ku-Young Chang; Dowon Hong; Hyun Sook Cho (IEEE Trans. Computers, 2005)

New Variant of the Self-Shrinking Generator and Its Cryptographic Properties. - Ku-Young Chang; Ju-Sung Kang; Mun-Kyu Lee; Hangrok Lee; Dowon Hong (ICISC, 2006)

Low Complexity Bit-Parallel Squarer for GF(2n) Defined by Irreducible Trinomials. - Sun-Mi Park; Ku-Young Chang (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Efficient Bit-Parallel Multiplier for Irreducible Pentanomials Using a Shifted Polynomial Basis. - Sun-Mi Park; Ku-Young Chang; Dowon Hong (IEEE Trans. Computers, 2006)

A New Anti-Forensic Tool Based on a Simple Data Encryption Scheme. - Sang Su Lee; Ku-Young Chang; Deokgyu Lee; Dowon Hong (FGCN (2), 2007)

Attacks and Countermeasures for RFID Mutual Authentication Scheme in Pervasive Computing Environmen. - Abedelaziz Mohaisen; Ku-Young Chang; Dowon Hong (KSII Trans. Internet Inf. Syst., 2011)

Fast Bit-Parallel Shifted Polynomial Basis Multiplier Using Weakly Dual Basis Over GF(2m). - Sun-Mi Park; Ku-Young Chang (IEEE Trans. Very Large Scale Integr. Syst., 2011)

Practical Multi-party Versions of Private Set Intersection Protocols with Hardware Tokens. - Ju-Sung Kang; Okyeon Yi; Min-Ku Kim; Ku-Young Chang (FGIT-FGCN/DCA, 2012)

Fast Bit-Parallel Polynomial Basis Multiplier for GF(2m) Defined by Pentanomials Using Weakly Dual Basis. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

Security Analysis of Scalable Block Cipher PP-1 Applicable to Distributed Sensor Networks. - Yuseop Lee; Kitae Jeong; Jaechul Sung; Changhoon Lee; Seokhie Hong; Ku-Young Chang (Int. J. Distributed Sens. Networks, 2013)

Parallel GF(3m) multiplier for trinomials. - Sun-Mi Park; Ku-Young Chang; Dowon Hong (Inf. Process. Lett., 2013)

Bucket Index Ordering Problem in Range Queries. - Taek-Young Youn; Nam-Su Jho; Ku-Young Chang; Dowon Hong (FCC, 2014)

Bit-Parallel Cubing Computation over GF(3m) for Irreducible Trinomials. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

New efficient bit-parallel polynomial basis multiplier for special pentanomials. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (Integr., 2014)

Comments on "On the Polynomial Multiplication in Chebyshev Form". - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEEE Trans. Computers, 2014)

Performance Analysis of Format-Preserving Encryption Based on Unbalanced-Feistel Structure. - Keonwoo Kim; Ku-Young Chang (CSA/CUTE, 2015)

Necessity of Incentive System for the First Uploader in Client-Side Deduplication. - Taek-Young Youn; Ku-Young Chang (CSA/CUTE, 2015)

Collusion-resistant convertible ring signature schemes. - Jung Yeon Hwang; Ku-Young Chang; Hyun Sook Cho; Boyeon Song; Willy Susilo (Sci. China Inf. Sci., 2015)

Efficient Construction of Order-Preserving Encryption Using Pseudo Random Function. - Nam-Su Jho; Ku-Young Chang; Dowon Hong (IEICE Trans. Commun., 2015)

Generalization to Any Field of Toeplitz Matrix Vector Product Based on Multi-Way Splitting Method and Its Application. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

Low Complexity Multiplier Based on Dickson Basis Using Efficient Toeplitz Matrix-Vector Product. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

Efficient Multiplication Based on Dickson Bases over Any Finite Fields. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

Explicit formulae for Mastrovito matrix and its corresponding Toeplitz matrix for all irreducible pentanomials using shifted polynomial basis. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (Integr., 2016)

Anonymity-based authenticated key agreement with full binding property. - Jung Yeon Hwang; Sungwook Eom; Ku-Young Chang; Pil Joong Lee; DaeHun Nyang (J. Commun. Networks, 2016)

Comments on "Multiway Splitting Method for Toeplitz Matrix Vector Product". - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEEE Trans. Computers, 2016)

Symmetric searchable encryption with efficient range query using multi-layered linked chains. - Nam-Su Jho; Ku-Young Chang; Dowon Hong; Changho Seo (J. Supercomput., 2016)

New User Management Technique in Storage Services for Stronger Privacy. - Taek-Young Youn; Ku-Young Chang (CSA/CUTE, 2017)

New Block Recombination for Subquadratic Space Complexity Polynomial Multiplication Based on Overlap-Free Approach. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEEE Trans. Computers, 2017)

Efficient Client-Side Deduplication of Encrypted Data With Public Auditing in Cloud Storage. - Taek-Young Youn; Ku-Young Chang; Kyung-Hyune Rhee; Sang-Uk Shin (IEEE Access, 2018)

Bi-directional and concurrent proof of ownership for stronger storage services with de-duplication. - Taek-Young Youn; Ku-Young Chang (Sci. China Inf. Sci., 2018)

Efficient Three-Way Split Formulas for Binary Polynomial Multiplication and Toeplitz Matrix Vector Product. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Efficient multiplier based on hybrid approach for Toeplitz matrix-vector product. - Ku-Young Chang; Sun-Mi Park; Dowon Hong; Changho Seo (Inf. Process. Lett., 2018)

Subquadratic Space Complexity Multiplier Using Even Type GNB Based on Efficient Toeplitz Matrix-Vector Product. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEEE Trans. Computers, 2018)

Design of additive homomorphic encryption with multiple message spaces for secure and practical storage services over encrypted data. - Taek-Young Youn; Nam-Su Jho; Ku-Young Chang (J. Supercomput., 2018)

Low Space Complexity $GF(2^m)$ Multiplier for Trinomials Using $n$ -Term Karatsuba Algorithm. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEEE Access, 2019)

Space Efficient $GF(2^m)$ Multiplier for Special Pentanomials Based on $n$ -Term Karatsuba Algorithm. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEEE Access, 2020)

Efficient Bit-Parallel Multiplier for All Trinomials Based on n-Term Karatsuba Algorithm. - Sun-Mi Park; Ku-Young Chang; Dowon Hong; Changho Seo (IEEE Access, 2020)