--- Log opened Sat Jan 04 00:00:56 2020
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20:14 < gmaxwell> I came up with a 'new' ecmult ladder that might be competative with signed-digit multi-comb. I say might because I haven't thought through the cmov overheads required to get it constant time, though I think they may be lower than multicomb. It also has gej+gej adds and I dunno how slow making those constant times would be.
20:23 < gmaxwell> The idea is that the precomputed table is G*2^(n*4) for [0,128/4) *virtually times 2 w/ endo.  You fixed window wnaf decompose the number w/ 52 buckets, and use the ecmult_multi odd-multiples addition ladder to combine the buckets. It takes 72 point additions (with 52 buckets)... w/ same memory I think multicomb is 51a25d.  Doing it constant time would involve cmoving over the buckets instead of the
20:23 < gmaxwell> table in memory.
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--- Log closed Sun Jan 05 00:00:45 2020