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Switch sha256 to Blake2s #49

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AntoineRondelet opened this issue Aug 13, 2019 · 1 comment
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Switch sha256 to Blake2s #49

AntoineRondelet opened this issue Aug 13, 2019 · 1 comment
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arithmetic-circuit/R1CS Task related to the R1CS programs optimization Optimization task

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@AntoineRondelet
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Blake2s (see: https://blake2.net/) looks more efficient - constraint-wise - than sha256. Hence, we should consider switching to this hash function when possible to diminish the number of multiplicative gates in the arithmetic circuit.

Related discussion: zcash/zcash#2630
@AntoineRondelet AntoineRondelet added arithmetic-circuit/R1CS Task related to the R1CS programs optimization Optimization task labels Aug 13, 2019
@AntoineRondelet AntoineRondelet mentioned this issue Aug 27, 2019
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@AntoineRondelet
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Closing as the corresponding PR was merged

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arithmetic-circuit/R1CS Task related to the R1CS programs optimization Optimization task
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