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Title: Faster multicollisions attack on sponge construction
Authors: Hammad, B.T. 
Jamil, N. 
Zaba, M.R. 
Rusli, M.E. 
Ahmed, I.T. 
Issue Date: 2017
Abstract: Multicollision attacks are sophisticated attacks that are analyzed in cryptographic hash functions. Previous works on multicollision have reported that the technique of determining the t-collisions where t > 2 is no more difficult than that of identifying the 2-collisions. Kelsey and Schneier have improved the technique by using a fixed point to locate the multicollision with the complexity of 3.2n/2. Aumasson has developed a new attack known as the faster multicollision based on the Kelsey and Schneier attacks and implemented it in the Merkle-Damgård construction with a complexity of 2n/2. However, this technique has never been applied to the sponge construction. In this paper, a recent multicollision attack is applied on sponge construction and we found that the sponge construction has no resistance against such attacks when c = n. © 2017 American Scientific Publishers All rights reserved.
Appears in Collections:CCI Scholarly Publication

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