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in the this paper,section 3,autors attack hamsi-256.Also they explain the weakness that are exploited.Im not so good at math,and also not native english speacker, so i dont understand term "degree of state bits", can anyone explain what they meant by this text in simplier words please?And how do they count values of 2/6/18 degrees? Hash operates on 4x4 s-boxes and the state looks like this matrix, where m-message bits, c-chaining value bits enter image description here enter image description here

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