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polyval: add FieldElement::divx - #355

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tarcieri merged 1 commit into
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Aug 27, 2026
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polyval: add FieldElement::divx#355
tarcieri merged 1 commit into
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polyval/divx

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@tarcieri

@tarcieritarcieri commented Aug 27, 2026

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This is useful for writing a generalized FieldElement type for the ghash crate, specifically when converting from a POLYVAL field element back to a GHASH one.

@tarcieri
polyval: add FieldElement::divx
44ab550
This is useful for writing a generalized `FieldElement` type for the
`ghash` crate, specifically when converting from a POLYVAL field element
back to a GHASH one.
@tarcieri

tarcieri commented Aug 27, 2026

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cc @makavity, I was trying to remember if you'd done something like this. Anyway, it's a stepping stone towards a FieldElement for ghash

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tarcieri merged commit af81db1 into masterAug 27, 2026
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tarcieri deleted the polyval/divx branch August 27, 2026 22:09
@makavity

makavity commented Aug 28, 2026•
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@tarcieri thank you!
I've made that PR RustCrypto/AEADs#878
But, maybe it is better to implement it with ghash crate. I'll try to do GHash FieldElement PR

@makavitymakavity mentioned this pull request Aug 28, 2026
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tarcieri pushed a commit that referenced this pull request Aug 28, 2026
@makavity
ghash: addFieldElement(#356)
aa3e157
#355
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@tarcieri@makavity