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Finding Collision on 45-Step HAS-160

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Information Security and Cryptology - ICISC 2005 (ICISC 2005)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 3935))

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Abstract

HAS-160 is a cryptographic hash function designed and used widely in Korea. While similar in structure to SHA-1, up to now there was no published attack or security analysis of the algorithm. Applying techniques introduced by Wang et al. [1], we have found collision in the first 45 steps of HAS-160, with complexity 212.

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References

  1. Wang, X., Lai, X., Feng, D., Chen, H., Yu, X.: Cryptanalysis of the Hash Functions MD4 and RIPEMD. In: Cramer, R.J.F. (ed.) EUROCRYPT 2005. LNCS, vol. 3494, pp. 1–18. Springer, Heidelberg (2005)

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  2. Wang, X., Yu, H.: How to Break MD5 and Other Hash Functions. In: Cramer, R.J.F. (ed.) EUROCRYPT 2005. LNCS, vol. 3494, pp. 19–35. Springer, Heidelberg (2005)

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  3. Telecommunications Technology Association, Hash Function Standard Part 2: Hash Function Algorithm Standard (HAS-160), TTAS.KO-12.0011/R1 (December 2000)

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  4. FIPS 180-2, Secure Hash Standard (2002), http://csrc.nist.gov/publications/

  5. Wang, X., Yu, H., Yin, Y.L.: Efficient Collision Search Attacks on SHA-0. In: Shoup, V. (ed.) CRYPTO 2005. LNCS, vol. 3621, pp. 1–16. Springer, Heidelberg (2005)

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  6. Wang, X., Yin, Y.L., Yu, H.: Finding Collisions in the Full SHA-1. In: Shoup, V. (ed.) CRYPTO 2005. LNCS, vol. 3621, pp. 17–36. Springer, Heidelberg (2005)

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Author information

Authors and Affiliations

  1. National Security Research Institute, 161 Gajeong-dong, Yuseong-gu, Daejeon, 305-350, Korea

    Aaram Yun & Sangwoo Park

  2. Department of Computing information & mathematics, Paichai University, 426-6 Doma-dong, Seo-gu, Daejeon, 302-735, Korea

    Soo Hak Sung

  3. Center for Information and Security Technologies, Korea University, Seoul, Korea

    Donghoon Chang & Seokhie Hong

  4. Graduate School of Information Security, Korea University, 1, 5-Ka, Anam-dong, Sungbuk-ku, Seoul, 136-701, Korea

    Hong-Su Cho

Authors
  1. Aaram Yun
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  2. Soo Hak Sung
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  3. Sangwoo Park
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  4. Donghoon Chang
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  5. Seokhie Hong
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  6. Hong-Su Cho
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Editor information

Editors and Affiliations

  1. Information Security Group, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, 440-746, Suwon, Gyeonggi-do, Korea

    Dong Ho Won

  2. Information Security Group, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, 440-746, Suwon-si, Gyeonggi-do, Korea

    Seungjoo Kim

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© 2006 Springer-Verlag Berlin Heidelberg

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Yun, A., Sung, S.H., Park, S., Chang, D., Hong, S., Cho, HS. (2006). Finding Collision on 45-Step HAS-160. In: Won, D.H., Kim, S. (eds) Information Security and Cryptology - ICISC 2005. ICISC 2005. Lecture Notes in Computer Science, vol 3935. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11734727_13

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  • DOI: https://doi.org/10.1007/11734727_13

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-33354-8

  • Online ISBN: 978-3-540-33355-5

  • eBook Packages: Computer ScienceComputer Science (R0)

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