Jongsung KIM


Seven New Block Cipher Structures with Provable Security against Differential Cryptanalysis
Jongsung KIM Changhoon LEE Jaechul SUNG Seokhie HONG Sangjin LEE Jongin LIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/10/01
Vol. E91-A  No. 10  pp. 3047-3058
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
provable securitydifferential cryptanalysislinear cryptanalysisFeistelCLEFIAMISTY
 Summary | Full Text:PDF(320.7KB)

Attacking 44 Rounds of the SHACAL-2 Block Cipher Using Related-Key Rectangle Cryptanalysis
Jiqiang LU Jongsung KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/09/01
Vol. E91-A  No. 9  pp. 2588-2596
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
block cipherSHACAL-2 differential cryptanalysisrelated-key rectangle attack
 Summary | Full Text:PDF(189.7KB)

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 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2  pp. 642-649
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
MISTY 1MISTY 2weak-key classesrelated-key amplified boomerang attackblock ciphers
 Summary | Full Text:PDF(722.7KB)