Generic MitM Attack Frameworks on Sponge Constructions

ePrint Report: Generic MitM Attack Frameworks on Sponge Constructions

Xiaoyang Dong, Boxin Zhao, Lingyue Qin, Qingliang Hou, Shun Zhang, Xiaoyun Wang

This paper proposes general meet-in-the-middle (MitM) attack frameworks for preimage and collision attacks on hash functions based on (generalized) sponge construction.
As the first contribution, our MitM preimage attack framework covers a wide range of sponge-based hash functions, especially those with lower claimed security level for preimage compared to their output size. Those hash functions have been very widely …

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