fix: S-box in Poseidon2 config #329
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x^5 works with Mersenne31, but x^7 is the smallest permutation monomial over BabyBear. I think this mistake originates in some Plonky3 example code which had the same issue.
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@dlubarov Thanks for catching this! |
tamirhemo
approved these changes
Feb 28, 2024
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x^5 works with Mersenne31, but x^7 is the smallest permutation monomial over BabyBear. I think this mistake originates in some Plonky3 example code which had the same issue.