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Anyone have more info? How does the small characteristic restriction affect things?


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    This is from last year; I saw the talk at Black Hat. However, it hasn’t turned out to really be applicable to currently-used cryptographic algorithms. In particular, this applies to elliptic curves; the ones in use don’t use the small characteristic which makes the results in this paper not applicable to those. There’s always the chance that any advance in understanding the problem better, even for small characteristic fields, will lead to a break, but these results don’t suggest any such break.

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      This article’s title is a bit sensationalist…