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Fix variable name in `spec::diversify_hash` 

Closes zcash/orchard#368.
This commit is contained in:
Jack Grigg 2023-04-11 00:23:33 +00:00
parent d612d0454c
commit a65018f93c
1 changed files with 2 additions and 2 deletions
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4
src/spec.rs
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@ -220,10 +220,10 @@ pub(crate) fn commit_ivk(
/// [concretediversifyhash]: https://zips.z.cash/protocol/nu5.pdf#concretediversifyhash
pub(crate) fn diversify_hash(d: &[u8; 11]) -> NonIdentityPallasPoint {
let hasher = pallas::Point::hash_to_curve(KEY_DIVERSIFICATION_PERSONALIZATION);
let pk_d = hasher(d);
let g_d = hasher(d);
// If the identity occurs, we replace it with a different fixed point.
// TODO: Replace the unwrap_or_else with a cached fixed point.
NonIdentityPallasPoint(CtOption::new(pk_d, !pk_d.is_identity()).unwrap_or_else(|| hasher(&[])))
NonIdentityPallasPoint(CtOption::new(g_d, !g_d.is_identity()).unwrap_or_else(|| hasher(&[])))
}
/// $PRF^\mathsf{nfOrchard}(nk, \rho) := Poseidon(nk, \rho)$