Abstract
This paper presents ongoing work toward the first preimage attacks on hash function ARIRANG, which is one of the first round candidates in the SHA-3 competition. ARIRANG has an unique design where the feed-forward operation is computed not only after the last step but also in a middle step. In fact, this design prevents previous preimage attacks. We apply a meet-in-the-middle preimage attacks to ARIRANG. Specifically, we propose a new initial-structure optimized for ARIRANG and overcome the middle feed-forward.
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Ohtahara, C., Okada, K., Sasaki, Y., Shimoyama, T. (2011). Preimage Attacks on Full-ARIRANG (Poster). In: Parampalli, U., Hawkes, P. (eds) Information Security and Privacy. ACISP 2011. Lecture Notes in Computer Science, vol 6812. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-22497-3_28
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DOI: https://doi.org/10.1007/978-3-642-22497-3_28
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-22496-6
Online ISBN: 978-3-642-22497-3
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