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- Daesung Kwon, Jaesung Kim, +10 authors Jin Hong
- ICISC
- 2003

In this paper, we propose a 128-bit block cipher ARIA which is an involution substitution and permutation encryption network(SPN). We use the same S-boxes as Rijndael to eliminate defects which are caused by a totally involution structure. In the diffusion layer of ARIA, a 16×16 binary matrix of the maximum branch number 8 is used to avoid some attacks well… (More)

- Sangwoo Park, Soo Hak Sung, Sangjin Lee, Jongin Lim
- FSE
- 2003

- Yongjin Yeom, Sangwoo Park, Iljun Kim
- FSE
- 2002

Camellia is a 128 bit block cipher proposed by NTT and Mitsubishi. We discuss the security of Camellia against the square attack. We find a 4 round distinguisher and construct a basic square attack. We can attack 5 round Camellia by guessing one byte subkey and using 2 chosen plaintexts. Cosidering the key schdule, we may extend this attack up to 9 round… (More)

- Hongbo Yu, Xiaoyun Wang, Aaram Yun, Sangwoo Park
- FSE
- 2006

HAVAL is a cryptographic hash function with variable digest size proposed by Zheng, Pieprzyk and Seberry in 1992. It has three variants, 3-, 4-, and 5-pass HAVAL. Previous results on HAVAL suggested only practical collision attacks for 3-pass HAVAL. In this paper, we present collision attacks for 4 and 5 pass HAVAL. For 4-pass HAVAL, we describe two… (More)

- Sangwoo Park, Soo Hak Sung, Seongtaek Chee, E-Joong Yoon, Jongin Lim
- ASIACRYPT
- 2002

Rijndael-like structure is a special case of SPN structure. The linear transformation of Rijndael-like structures consists of linear transformations of two types, the one is byte permutation π and the other is linear transformation θ = (θ1, θ2, θ3, θ4), where each of θi separately operates on each of the four columns of a state. Furthermore, π and θ have… (More)

- Hong-Su Cho, Sangwoo Park, Soo Hak Sung, Aaram Yun
- ICISC
- 2006

- Keunwoo Rhee, Dongho Won, Sang-Woon Jang, Sooyoung Chae, Sangwoo Park
- Electronic Commerce Research
- 2013

Gaussian assumption is the most well-known and widely used distribution in many fields such as engineering, statistics and physics. One of the major reasons why the Gaussian distribution has become so prominent is because of the Central Limit Theorem (CLT) and the fact that the distribution of noise in numerous engineering systems is well captured by the… (More)

- Aaram Yun, Soo Hak Sung, Sangwoo Park, Donghoon Chang, Seokhie Hong, Hong-Su Cho
- ICISC
- 2005

- Sangwoo Park, Soo Hak Sung, Seongtaek Chee, Jongin Lim
- ACISP
- 2002