Talk:SHA-3

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pi

The following discussion is closed and will soon be archived.

I think the index calculation in pi is wrong. it should be $3x+y$ , not $3x+2y$ . At least that is consistent with both the implementation I am looking at and the description of the matrix on page 19 of https://keccak.team/files/Keccak-implementation-3.2.pdf 2001:9E8:633B:6600:A374:7ED1:2AE0:3C14 (talk) 13:10, 9 April 2025 (UTC)[reply]

Nevermind, I this is because they are talking about the inverse.— Preceding unsigned comment added by 2001:9e8:633b:6600:a374:7ed1:2ae0:3c14 (talk)