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Implement CycleFold in Nova's IVC (#45)

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* Implement CycleFold in Nova's IVC

(CycleFold: https://eprint.iacr.org/2023/1192)

* CycleFoldChallengeGadget: add points coordinates as bytes

* Apply PR review suggestions
This commit is contained in:
arnaucube
2023-12-18 09:42:46 +01:00
committed by GitHub
parent 876e23c159
commit b4f42e7023
17 changed files with 1327 additions and 566 deletions
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10
src/transcript/poseidon.rs
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@@ -61,11 +61,9 @@ where
// over bytes in order to have a logic that can be reproduced in-circuit.
fn prepare_point<C: CurveGroup>(p: &C) -> Result<Vec<C::ScalarField>, Error> {
let affine = p.into_affine();
let xy_obj = &affine.xy();
let mut xy = (&C::BaseField::zero(), &C::BaseField::one());
if xy_obj.is_some() {
xy = xy_obj.unwrap();
}
let zero_point = (&C::BaseField::zero(), &C::BaseField::one());
let xy = affine.xy().unwrap_or(zero_point);
let x_bi =
xy.0.to_base_prime_field_elements()
.next()
@@ -175,7 +173,7 @@ pub mod tests {
#[test]
fn test_transcript_and_transcriptvar_nbits() {
let nbits = 128;
let nbits = crate::constants::N_BITS_RO;
// use 'native' transcript
let config = poseidon_test_config::<Fq>();