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Add CommitDomain creation from two personalizations
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@ -200,6 +200,21 @@ impl CommitDomain {
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}
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}
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/// Constructs a new `CommitDomain` from `hash_personalization` a personalization for hashing
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/// and `blind_personalization` another personalization for blinding.
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pub fn new_with_two_personalizations(
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hash_personalization: &str,
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blind_personalization: &str,
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) -> Self {
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let m_prefix = format!("{}-M", hash_personalization);
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let r_prefix = format!("{}-r", blind_personalization);
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let hasher_r = pallas::Point::hash_to_curve(&r_prefix);
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CommitDomain {
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M: HashDomain::new(&m_prefix),
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R: hasher_r(&[]),
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}
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}
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/// $\mathsf{SinsemillaCommit}$ from [§ 5.4.8.4][concretesinsemillacommit].
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///
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/// [concretesinsemillacommit]: https://zips.z.cash/protocol/nu5.pdf#concretesinsemillacommit
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