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I am trying to learn about SASAS cryptanalysis. I am reading the paper related to this where the authors use multisets are used within the cryptanalysis of this cipher. I did not understand the part where they generalized the multisets properties to a concatenation of a block. More specifically the last paragraph of the 4th page of this paper.

To understand the context of the question you just need to study the 4th page of the paper.

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  • $\begingroup$ This is an import question. None the less you should post any work you’ve attempted with regards to a solution. In addition if you’re interested in this area, look to the bijective mapping of theta() in SHA-3. The input set contains 25x 64 bit values, or 64x 25 bit values. A distinction that might be import when brute forcing a bijective mapping between inputs/outputs. $\endgroup$ – Q-Club Mar 28 '17 at 1:43
  • $\begingroup$ I am just trying to understand the cryptanalysis of the cipher.There are no other resources for analysis of this cipher.As multiset properties are used extensively in the cryptanalysis i need to understand them fully.But it is not that much clear in the paper. $\endgroup$ – Vinod Kumar Mar 29 '17 at 6:55

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