--- Day changed Tue Feb 13 2018
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00:12 < gmaxwell> hm. I just noticed that the simultanious inversion trick doesn't have to be in a perfect straight line.  E.g. you could have one thread compute a*b*c while another computes d*e*f  then reach a synchronization point where you compute the product of those two, invert, break back into  1/abc and 1/def and then go back your threads to complete the computations.
02:07 < nsh> is the simultaneous inversion trick described somewhere?
02:10 < nsh> recapped here i think: https://www.iacr.org/archive/pkc2004/29470042/29470042.pdf
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10:31 < andytoshi> gmaxwell: to implement this auth thing it looks like you'll want pedersen commitments (well, elgamal encryptions which are similar) outside of the rangeproof module
10:32 < andytoshi> should we split out pedersen/elgamal into its own module, and/or merge this with the generator module?
10:33 < andytoshi> bulletproofs also need this. right now i think i've just copied the pedersen stuff out of the rangeproof module. would also like to be able to do pedersen commitments with G and H swapped vs what we do now
10:35 < gmaxwell> andytoshi: for this protocol the 'pedersen' commitments don't use H but a base that we just constructed on the fly.
10:36 < andytoshi> ah right, so it doesn't make sense to merge with the generator module
10:36 < andytoshi> and maybe it doesn't make sense to reuse rangeproof code at all
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