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Implement variable-sized windows into multiexp

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Closes https://github.com/serai-dex/serai/issues/17 by using the 
PrimeFieldBits API to do so.

Should greatly speed up small batches, along with batches in the 
hundreds. Saves almost a full second on the cross-group DLEq proof.
This commit is contained in:
Luke Parker
2022-06-30 09:30:24 -04:00
parent 5d115f1e1c
commit 7890827a48
15 changed files with 342 additions and 148 deletions
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7
crypto/multiexp/Cargo.toml
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@@ -9,9 +9,16 @@ keywords = ["multiexp", "ff", "group"]
edition = "2021"
[dependencies]
ff = "0.12"
group = "0.12"
rand_core = { version = "0.6", optional = true }
[dev-dependencies]
rand_core = "0.6"
k256 = { version = "0.11", features = ["bits"] }
dalek-ff-group = { path = "../dalek-ff-group" }
[features]
batch = ["rand_core"]