Provable Security for the Skipjack-like Structure against Differential Cryptanalysis and Linear Cryptanalysis. - Jaechul Sung; Sangjin Lee 002; Jong In Lim 001; Seokhie Hong; Sangjoon Park (ASIACRYPT, 2000)

Provable Security against Differential and Linear Cryptanalysis for the SPN Structure. - Seokhie Hong; Sangjin Lee 002; Jongin Lim 001; Jaechul Sung; Dong Hyeon Cheon; Inho Cho (FSE, 2000)

Known-IV Attacks on Triple Modes of Operation of Block Ciphers. - Deukjo Hong; Jaechul Sung; Seokhie Hong; Wonil Lee; Sangjin Lee 002; Jongin Lim 001; Okyeon Yi (ASIACRYPT, 2001)

Concrete Security Analysis of CTR-OFB and CTR-CFB Modes of Operation. - Jaechul Sung; Sangjin Lee 002; Jong In Lim 001; Wonil Lee; Okyeon Yi (ICISC, 2001)

Full-Round Differential Attack on the Original Version of the Hash Function Proposed at PKC'98. - Donghoon Chang; Jaechul Sung; Soo Hak Sung; Sangjin Lee 002; Jongin Lim 001 (Selected Areas in Cryptography, 2002)

Impossible Differential Cryptanalysis of Zodiac. - Deukjo Hong; Jaechul Sung; Shiho Moriai; Sangjin Lee 002; Jongin Lim 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Provable security for 13 round Skipjack-like structure. - Seokhie Hong; Jaechul Sung; Sangjin Lee 002; Jongin Lim 001; Jongsu Kim (Inf. Process. Lett., 2002)

Key Recovery Attacks on the RMAC, TMAC, and IACBC. - Jaechul Sung; Deukjo Hong; Sangjin Lee 002 (ACISP, 2003)

Impossible Differential Attack on 30-Round SHACAL-2. - Seokhie Hong; Jongsung Kim; Guil Kim; Jaechul Sung; Changhoon Lee; Sangjin Lee 002 (INDOCRYPT, 2003)

Impossible Differential Cryptanalysis for Block Cipher Structures. - Jongsung Kim; Seokhie Hong; Jaechul Sung; Changhoon Lee; Sangjin Lee 002 (INDOCRYPT, 2003)

Padding Oracle Attacks on Multiple Modes of Operation. - Taekeon Lee; Jongsung Kim; Changhoon Lee; Jaechul Sung; Sangjin Lee 002; Dowon Hong (ICISC, 2004)

Impossibility of Construction of OWHF and UOWHF from PGV Model Based on Block Cipher Secure Against ACPCA. - Donghoon Chang; Wonil Lee; Seokhie Hong; Jaechul Sung; Sangjin Lee 002; Soo Hak Sung (INDOCRYPT, 2004)

Related-Key Attacks on DDP Based Ciphers: CIKS-128 and CIKS-128H. - Youngdai Ko; Changhoon Lee; Seokhie Hong; Jaechul Sung; Sangjin Lee 002 (INDOCRYPT, 2004)

Related-Key and Meet-in-the-Middle Attacks on Triple-DES and DES-EXE. - Jaemin Choi; Jongsung Kim; Jaechul Sung; Sangjin Lee 002; Jongin Lim 001 (ICCSA (2), 2005)

Related-Key Differential Attacks on Cobra-H64 and Cobra-H128. - Changhoon Lee; Jongsung Kim; Jaechul Sung; Seokhie Hong; Sangjin Lee 002; Dukjae Moon (IMACC, 2005)

How to Construct Universal One-Way Hash Functions of Order r. - Deukjo Hong; Jaechul Sung; Seokhie Hong; Sangjin Lee 002 (INDOCRYPT, 2005)

Related-Key Differential Attacks on Cobra-S128, Cobra-F64a, and Cobra-F64b. - Changhoon Lee; Jongsung Kim; Seokhie Hong; Jaechul Sung; Sangjin Lee 002 (Mycrypt, 2005)

Related-Cipher Attacks on Block Ciphers with Flexible Number of Rounds. - Jaechul Sung; Jongsung Kim; Changhoon Lee; Seokhie Hong (WEWoRC, 2005)

Forgery and Key Recovery Attacks on PMAC and Mitchell's TMAC Variant. - Changhoon Lee; Jongsung Kim; Jaechul Sung; Seokhie Hong; Sangjin Lee 002 (ACISP, 2006)

HIGHT: A New Block Cipher Suitable for Low-Resource Device. - Deukjo Hong; Jaechul Sung; Seokhie Hong; Jongin Lim 001; Sangjin Lee 002; Bonseok Koo; Changhoon Lee; Donghoon Chang; Jesang Lee; Kitae Jeong; Hyun Kim; Jongsung Kim; et al. (CHES, 2006)

A New Dedicated 256-Bit Hash Function: FORK-256. - Deukjo Hong; Donghoon Chang; Jaechul Sung; Sangjin Lee 002; Seokhie Hong; Jaesang Lee 002; Dukjae Moon; Sungtaek Chee (FSE, 2006)

Provable Security for an RC6-like Structure and a MISTY-FO-like Structure Against Differential Cryptanalysis. - Changhoon Lee; Jongsung Kim; Jaechul Sung; Seokhie Hong; Sangjin Lee 002 (ICCSA (3), 2006)

Improved Fast Correlation Attack on the Shrinking and Self-shrinking Generators. - Kitae Jeong; Jaechul Sung; Seokhie Hong; Sangjin Lee 002; Jaeheon Kim; Deukjo Hong (VIETCRYPT, 2006)

Known-IV, Known-in-Advance-IV, and Replayed-and-Known-IV Attacks on Multiple Modes of Operation of Block Ciphers. - Deukjo Hong; Seokhie Hong; Wonil Lee; Sangjin Lee 002; Jongin Lim 001; Jaechul Sung; Okyeon Yi (J. Cryptol., 2006)

Preimage Attack on the Parallel FFT-Hashing Function. - Donghoon Chang; Moti Yung; Jaechul Sung; Seokhie Hong; Sangjin Lee 002 (ACISP, 2007)

Related-Key Amplified Boomerang Attacks on the Full-Round Eagle-64 and Eagle-128. - Kitae Jeong; Changhoon Lee; Jaechul Sung; Seokhie Hong; Jongin Lim 001 (ACISP, 2007)

Compression Function Design Principles Supporting Variable Output Lengths from a Single Small Function. - Donghoon Chang; Mridul Nandi; Jesang Lee; Jaechul Sung; Seokhie Hong (IACR Cryptol. ePrint Arch., 2007)

New FORK-256. - Deukjo Hong; Donghoon Chang; Jaechul Sung; Sangjin Lee 002; Seokhie Hong; Jesang Lee; Dukjae Moon; Sungtaek Chee (IACR Cryptol. ePrint Arch., 2007)

Cryptanalysis of an involutional block cipher using cellular automata. - Jaechul Sung; Deukjo Hong; Seokhie Hong (Inf. Process. Lett., 2007)

Related-Key Chosen IV Attacks on Grain-v1 and Grain-128. - Yuseop Lee; Kitae Jeong; Jaechul Sung; Seokhie Hong (ACISP, 2008)

Second Preimage Attack on 3-Pass HAVAL and Partial Key-Recovery Attacks on HMAC/NMAC-3-Pass HAVAL. - Eunjin Lee; Donghoon Chang; Jongsung Kim; Jaechul Sung; Seokhie Hong (FSE, 2008)

Various Security Analysis of a pfCM-MD Hash Domain Extension and Applications based on the Extension. - Donghoon Chang; Seokhie Hong; Jaechul Sung; Sangjin Lee 002 (IACR Cryptol. ePrint Arch., 2008)

Improved Cryptanalysis of APOP-MD4 and NMAC-MD4 using New Differential Paths. - Donghoon Chang; Jaechul Sung; Seokhie Hong; Sangjin Lee 002 (IACR Cryptol. ePrint Arch., 2008)

Indifferentiable Security Analysis of choppfMD, chopMD, a chopMDP, chopWPH, chopNI, chopEMD, chopCS, and chopESh Hash Domain Extensions. - Donghoon Chang; Jaechul Sung; Seokhie Hong; Sangjin Lee 002 (IACR Cryptol. ePrint Arch., 2008)

Linear and Differential Cryptanalysis of Reduced SMS4 Block Cipher. - Tae Hyun Kim 003; Jongsung Kim; Seokhie Hong; Jaechul Sung (IACR Cryptol. ePrint Arch., 2008)

Compression Function Design Principles Supporting Variable Output Lengths from a Single Small Function. - Donghoon Chang; Mridul Nandi; Jesang Lee; Jaechul Sung; Seokhie Hong; Jongin Lim 001; Haeryong Park; Kilsoo Chun (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Seven New Block Cipher Structures with Provable Security against Differential Cryptanalysis. - Jongsung Kim; Changhoon Lee; Jaechul Sung; Seokhie Hong; Sangjin Lee 002; Jongin Lim 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Weak-Key Classes of 7-Round MISTY 1 and 2 for Related-Key Amplified Boomerang Attacks. - Eunjin Lee; Jongsung Kim; Deukjo Hong; Changhoon Lee; Jaechul Sung; Seokhie Hong; Jongin Lim 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Security analysis of the full-round DDO-64 block cipher. - Changhoon Lee; Jongsung Kim; Seokhie Hong; Jaechul Sung; Sangjin Lee 002 (J. Syst. Softw., 2008)

Update on SEED: SEED-192/256. - Kitae Jeong; Joongeun Choi; Yuseop Lee; Changhoon Lee; Jaechul Sung; Haeryong Park; Yeonjung Kang (ISA, 2009)

A New Double-Block-Length Hash Function Using Feistel Structure. - Jesang Lee; Seokhie Hong; Jaechul Sung; Haeryong Park (ISA, 2009)

A note on "Improved Fast Correlation Attacks on Stream Ciphers". - Kitae Jeong; Yuseop Lee; Jaechul Sung; Seokhie Hong (IACR Cryptol. ePrint Arch., 2010)

Cryptanalysis of block-wise stream ciphers suitable for the protection of multimedia and ubiquitous systems. - Deok-Gyu Lee; Jongsung Kim; Jaechul Sung; Yangsun Lee 001; Seungmin Rho (Telecommun. Syst., 2010)

Fault Injection Attack on A5/3. - Kitae Jeong; Yuseop Lee; Jaechul Sung; Seokhie Hong (ISPA, 2011)

Cryptanalysis of CIKS-128 and CIKS-128H Suitable for Intelligent Multimedia and Ubiquitous Computing Systems. - Changhoon Lee; Jongsung Kim; Jaechul Sung; Yangsun Lee 001; Chang Hoon Lee (Comput. Informatics, 2011)

Notions and relations for RKA-secure permutation and function families. - Jongsung Kim; Jaechul Sung; Ermaliza Razali; Raphael C.-W. Phan; Marc Joye (Des. Codes Cryptogr., 2011)

Differential cryptanalysis of eight-round SEED. - Jaechul Sung (Inf. Process. Lett., 2011)

Biclique Cryptanalysis of Lightweight Block Ciphers PRESENT, Piccolo and LED. - Kitae Jeong; HyungChul Kang; Changhoon Lee; Jaechul Sung; Seokhie Hong (IACR Cryptol. ePrint Arch., 2012)

Known-Key Attacks on Generalized Feistel Schemes with SP Round Function. - HyungChul Kang; Deukjo Hong; Dukjae Moon; Daesung Kwon; Jaechul Sung; Seokhie Hong (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012)

Differential fault analysis on block cipher SEED. - Kitae Jeong; Yuseop Lee; Jaechul Sung; Seokhie Hong (Math. Comput. Model., 2012)

Improved Differential Fault Analysis on ARIA using Small Number of Faults. - Yuseop Lee; Kitae Jeong; Jaechul Sung; Seokhie Hong (IACR Cryptol. ePrint Arch., 2013)

Improved differential fault analysis on PRESENT-80/128. - Kitae Jeong; Yuseop Lee; Jaechul Sung; Seokhie Hong (Int. J. Comput. Math., 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)

Security Analysis of HMAC/NMAC by Using Fault Injection. - Kitae Jeong; Yuseop Lee; Jaechul Sung; Seokhie Hong (J. Appl. Math., 2013)

Collision Attacks on AES-192/256, Crypton-192/256, mCrypton-96/128, and Anubis. - Jinkeon Kang; Kitae Jeong; Jaechul Sung; Seokhie Hong; Kyungho Lee (J. Appl. Math., 2013)

Related-Key Cryptanalysis on the Full PRINTcipher Suitable for IC-Printing. - Yuseop Lee; Kitae Jeong; Changhoon Lee; Jaechul Sung; Seokhie Hong (Int. J. Distributed Sens. Networks, 2014)

The Switching Generator: New Clock-Controlled Generator with Resistance against the Algebraic and Side Channel Attacks. - Jun Choi; Dukjae Moon; Seokhie Hong; Jaechul Sung (Entropy, 2015)

Weakness of lightweight block ciphers mCrypton and LED against biclique cryptanalysis. - Kitae Jeong; HyungChul Kang; Changhoon Lee; Jaechul Sung; Seokhie Hong; Jongin Lim 001 (Peer-to-Peer Netw. Appl., 2015)

New Impossible Differential Characteristic of SPECK64 using MILP. - Hochang Lee; HyungChul Kang; Deukjo Hong; Jaechul Sung; Seokhie Hong (IACR Cryptol. ePrint Arch., 2016)

Efficient Differential Trail Searching Algorithm for ARX Block Ciphers. - Seojin Kim; HyungChul Kang; Deukjo Hong; Jaechul Sung; Seokhie Hong (IACR Cryptol. ePrint Arch., 2017)

Known-Key Attack on SM4 Block Cipher. - HyungChul Kang; Deukjo Hong; Jaechul Sung; Seokhie Hong (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

New Approach to Constructing Noise Source Based on Race Conditions. - Seong Gyeom Kim; Seung Joon Lee; Deukjo Hong; Jaechul Sung; Seokhie Hong (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2019)

PIPO: A Lightweight Block Cipher with Efficient Higher-Order Masking Software Implementations. - Hangi Kim; Yongjin Jeon; Giyoon Kim; Jongsung Kim; Bo-Yeon Sim; Dong-Guk Han; Hwajeong Seo; Seonggyeom Kim; Seokhie Hong; Jaechul Sung; Deukjo Hong (ICISC, 2020)

Classification of 4-bit S-Boxes for BOGI Permutation. - Seong Gyeom Kim; Deukjo Hong; Jaechul Sung; Seokhie Hong (IEEE Access, 2020)

A New Method for Designing Lightweight S-Boxes With High Differential and Linear Branch Numbers, and its Application. - Hangi Kim; Yongjin Jeon; Giyoon Kim; Jongsung Kim; Bo-Yeon Sim; Dong-Guk Han; Hwajeong Seo; Seonggyeom Kim; Seokhie Hong; Jaechul Sung; Deukjo Hong (IEEE Access, 2021)

Integral Cryptanalysis of Lightweight Block Cipher PIPO. - Sunyeop Kim; Jeseong Kim; Seonggyeom Kim; Deukjo Hong; Jaechul Sung; Seokhie Hong (IEEE Access, 2022)

Improved Ciphertext-Only Attack on GMR-1. - Dongjae Lee; Deukjo Hong; Jaechul Sung; Seonggyeom Kim; Seokhie Hong (IEEE Access, 2022)

Accelerating the Best Trail Search on AES-Like Ciphers. - Seonggyeom Kim; Deukjo Hong; Jaechul Sung; Seokhie Hong (IACR Trans. Symmetric Cryptol., 2022)

A Practical Ciphertext-Only Attack on GMR-2 System. - Dongjae Lee; Jaewoo Kim; Deukjo Hong; Jaechul Sung; Seokhie Hong (IEEE Access, 2023)

Shining Light on the Shadow: Full-round Practical Distinguisher for Lightweight Block Cipher Shadow. - Sunyeop Kim; Myoungsu Shin; Seonkyu Kim; Hanbeom Shin; Insung Kim; Donggeun Kwon; Dongjae Lee; Seonggyeom Kim; Deukjo Hong; Jaechul Sung; Seokhie Hong (IACR Cryptol. ePrint Arch., 2023)

Revisiting the Multiple-of Property for SKINNY: The Exact Computation of the Number of Right Pairs. - Hanbeom Shin; Insung Kim; Sunyeop Kim; Seonggyeom Kim; Deukjo Hong; Jaechul Sung; Seokhie Hong (IEEE Access, 2024)

Byte-wise equal property of ARADI. - Sunyeop Kim; Insung Kim; Dongjae Lee; Deukjo Hong; Jaechul Sung; Seokhie Hong (IACR Cryptol. ePrint Arch., 2024)

Differential Factors Revisited: A Sufficient Condition for the Practical Use of Differential Factors. - Seonkyu Kim; Myoungsu Shin; Hanbeom Shin; Insung Kim; Sunyeop Kim; Donggeun Kwon; Deukjo Hong; Jaechul Sung; Seokhie Hong (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024)

Accurate False-Positive Probability of Multiset-Based Demirci-Selçuk Meet-in-the-Middle Attacks. - Dongjae Lee; Deukjo Hong; Jaechul Sung; Seokhie Hong (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024)

Towards Optimal Differential Attacks on FLY and PIPO. - Insung Kim; Seonggyeom Kim; Sunyeop Kim; Donggeun Kwon; Hanbeom Shin; Dongjae Lee; Deukjo Hong; Jaechul Sung; Seokhie Hong (IACR Cryptol. ePrint Arch., 2025)

Recovering S-Box Design Structures and Quantifying Distances between S-Boxes using Deep Learning. - Donggeun Kwon; Deukjo Hong; Jaechul Sung; Seokhie Hong (IACR Cryptol. ePrint Arch., 2025)

New Exchanged Boomerang Distinguishers for 5-Round AES. - Hanbeom Shin; Seonkyu Kim; Dongjae Lee; Deukjo Hong; Jaechul Sung; Seokhie Hong (IACR Cryptol. ePrint Arch., 2025)

SAECHAM: Secure and Efficient Lightweight Block Cipher CHAM Variant. - Myoungsu Shin; Hanbeom Shin; Insung Kim; Sunyeop Kim; Dongjae Lee; Deukjo Hong; Jaechul Sung; Seokhie Hong (IEEE Internet Things J., 2025)

Redefining Security in Shadow Cipher for IoT Nodes: New Full-Round Practical Distinguisher and the Infeasibility of Key-Recovery Attacks. - Sunyeop Kim; Myoungsu Shin; Seonkyu Kim; Hanbeom Shin; Insung Kim; Donggeun Kwon; Dongjae Lee; Seonggyeom Kim; Deukjo Hong; Jaechul Sung; Seokhie Hong (IEEE Internet Things J., 2025)