Security analysis of CIKS-128 and CIKS-128H using key schedule weaknesses

Changhoon Lee; Jongsung Kim; Seokhie Hong; Sangjin Lee; Jaechul Sung; Hwa Min Lee

doi:10.1109/CSA.2008.65

Security analysis of CIKS-128 and CIKS-128H using key schedule weaknesses

Changhoon Lee, Jongsung Kim, Seokhie Hong, Sangjin Lee, Jaechul Sung, Hwa Min Lee

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In this paper, we show that CIKS-128 and CIKS-128H are vulnerable to related-key differential attacks. We first describe how to construct their full-round related-key differential characteristics with high probabilities and then we exploit them to break the full-round CIKS-128 and CIKS-128H with 2 ⁴⁴, and 2⁴⁸ data and time complexities, respectively. These woks are corrections of Lee et al.'s results [7].

Original language	English
Title of host publication	Proceedings - International Symposium on Computer Science and Its Applications, CSA 2008
Pages	199-206
Number of pages	8
DOIs	https://doi.org/10.1109/CSA.2008.65
Publication status	Published - 2008
Event	2008 International Symposium on Computer Science and its Applications, CSA 2008 - Hobart, TAS, Australia Duration: 2008 Oct 13 → 2008 Oct 15

Publication series

Name	Proceedings - International Symposium on Computer Science and Its Applications, CSA 2008

Other

Other	2008 International Symposium on Computer Science and its Applications, CSA 2008
Country/Territory	Australia
City	Hobart, TAS
Period	08/10/13 → 08/10/15

ASJC Scopus subject areas

Computer Science Applications

Access to Document

10.1109/CSA.2008.65

Cite this

Lee, C., Kim, J., Hong, S., Lee, S., Sung, J., & Lee, H. M. (2008). Security analysis of CIKS-128 and CIKS-128H using key schedule weaknesses. In Proceedings - International Symposium on Computer Science and Its Applications, CSA 2008 (pp. 199-206). Article 4654086 (Proceedings - International Symposium on Computer Science and Its Applications, CSA 2008). https://doi.org/10.1109/CSA.2008.65

Security analysis of CIKS-128 and CIKS-128H using key schedule weaknesses. / Lee, Changhoon; Kim, Jongsung; Hong, Seokhie et al.
Proceedings - International Symposium on Computer Science and Its Applications, CSA 2008. 2008. p. 199-206 4654086 (Proceedings - International Symposium on Computer Science and Its Applications, CSA 2008).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lee, C, Kim, J, Hong, S , Lee, S, Sung, J & Lee, HM 2008, Security analysis of CIKS-128 and CIKS-128H using key schedule weaknesses. in Proceedings - International Symposium on Computer Science and Its Applications, CSA 2008., 4654086, Proceedings - International Symposium on Computer Science and Its Applications, CSA 2008, pp. 199-206, 2008 International Symposium on Computer Science and its Applications, CSA 2008, Hobart, TAS, Australia, 08/10/13. https://doi.org/10.1109/CSA.2008.65

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author = "Changhoon Lee and Jongsung Kim and Seokhie Hong and Sangjin Lee and Jaechul Sung and Lee, {Hwa Min}",

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AB - In this paper, we show that CIKS-128 and CIKS-128H are vulnerable to related-key differential attacks. We first describe how to construct their full-round related-key differential characteristics with high probabilities and then we exploit them to break the full-round CIKS-128 and CIKS-128H with 2 44, and 248 data and time complexities, respectively. These woks are corrections of Lee et al.'s results [7].

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Security analysis of CIKS-128 and CIKS-128H using key schedule weaknesses

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