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Merge pull request #389 from zcash/368-fix-variable-name 

Fix variable name in `spec::diversify_hash`
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Kris Nuttycombe 2023-04-10 19:06:06 -06:00 committed by GitHub
parent d612d0454c a65018f93c
commit b40a12f1ff
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1 changed files with 2 additions and 2 deletions
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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(&[])))
}
/// $PRF^\mathsf{nfOrchard}(nk, \rho) := Poseidon(nk, \rho)$