Daesung KWON


Improving MDC-4 to Be More Secure
Deukjo HONG Dong-Chan KIM Daesung KWON 
Publication:   
Publication Date: 2019/01/01
Vol. E102-A  No. 1  pp. 278-289
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
MDC-4+collision resistancepreimage resistance
 Summary | Full Text:PDF(1.2MB)

Cryptanalysis of Double-Block-Length Hash Modes MDC-4 and MJH
Deukjo HONG Daesung KWON 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/08/01
Vol. E97-A  No. 8  pp. 1747-1753
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
hash functionhash modecollisionpreimageMDC-4MJH
 Summary | Full Text:PDF(566.1KB)

Known-Key Attacks on Generalized Feistel Schemes with SP Round Function
HyungChul KANG Deukjo HONG Dukjae MOON Daesung KWON Jaechul SUNG Seokhie HONG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/09/01
Vol. E95-A  No. 9  pp. 1550-1560
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
generalized Feistel schemesrebound attackknown-key distinguishercollision attackhashing mode
 Summary | Full Text:PDF(1.7MB)

Meet-in-the-Middle Preimage Attacks on Hash Modes of Generalized Feistel and Misty Schemes with SP Round Function
Dukjae MOON Deukjo HONG Daesung KWON Seokhie HONG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/08/01
Vol. E95-A  No. 8  pp. 1379-1389
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
preimage attackhash modeFeistel schemeMisty schemeblock cipher
 Summary | Full Text:PDF(1.7MB)

The Security of Abreast-DM in the Ideal Cipher Model
Jooyoung LEE Daesung KWON 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/01/01
Vol. E94-A  No. 1  pp. 104-109
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Hash Function
Keyword: 
hash functionblockciphercollision resistance
 Summary | Full Text:PDF(5.3MB)