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cl: pre-compute pederson blinding

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This commit is contained in:
David Rusu 2024-06-28 16:04:26 +00:00
parent c8fc353cf2
commit 2f2a9c86b5
1 changed files with 10 additions and 3 deletions
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13
cl/src/balance.rs
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@ -11,8 +11,8 @@ use k256::elliptic_curve::ops::LinearCombinationExt;
lazy_static! {
static ref PEDERSON_COMMITMENT_BLINDING_POINT: ProjectivePoint =
crate::crypto::hash_to_curve(b"NOMOS_CL_PEDERSON_COMMITMENT_BLINDING");
// Precompute of `crate::crypto::hash_to_curve(b"NOMOS_CL_PEDERSON_COMMITMENT_BLINDING")`
static ref PEDERSON_COMMITMENT_BLINDING_POINT: ProjectivePoint = ProjectivePoint::from_bytes((&[3, 130, 21, 159, 218, 6, 221, 181, 55, 169, 198, 220, 102, 48, 164, 23, 206, 225, 58, 54, 247, 64, 180, 120, 247, 101, 88, 97, 2, 206, 144, 92, 9]).into()).unwrap();
}
#[derive(Debug, PartialEq, Eq, Clone, Serialize, Deserialize)]
@ -154,9 +154,16 @@ mod test {
use crate::test_util::seed_rng;
use k256::elliptic_curve::group::prime::PrimeCurveAffine;
use super::*;
#[test]
fn test_pederson_blinding_point_pre_compute() {
// use k256::elliptic_curve::group::GroupEncoding;
// println!("{:?}", <[u8;33]>::from((*PEDERSON_COMMITMENT_BLINDING_POINT).to_bytes()));
assert_eq!(*PEDERSON_COMMITMENT_BLINDING_POINT, crate::crypto::hash_to_curve(b"NOMOS_CL_PEDERSON_COMMITMENT_BLINDING"));
}
#[test]
fn test_balance_zero_unitless() {
// Zero is the same across all units