core: Update dependencies

core/CHANGELOG.md

@@ -19,6 +19,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Restructure `Encryption` module.
 - Move phoenix-core into a phoenix workspace [#171]
 - Rename `note` method to `note_type`.
+- Update `dusk-poseidon` to v0.39 [#179]
+- Update `jubjub-schnorr` to v0.4 [#179]
 
 ### Removed
 
@@ -307,6 +309,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Canonical implementation shielded by feature.
 
 <!-- ISSUES -->
+[#179]: https://github.com/dusk-network/phoenix/issues/179
 [#175]: https://github.com/dusk-network/phoenix/issues/175
 [#171]: https://github.com/dusk-network/phoenix/issues/171
 [#166]: https://github.com/dusk-network/phoenix/issues/166

core/Cargo.toml

@@ -13,8 +13,8 @@ dusk-bytes = "0.1"
 dusk-bls12_381 = { version = "0.13", default-features = false }
 bls12_381-bls = { version = "0.3", default-features = false }
 dusk-jubjub = { version = "0.14", default-features = false, features = ["zeroize"] }
-dusk-poseidon = { version = "0.33", default-features = false }
-jubjub-schnorr = { version = "0.3", default-features = false }
+dusk-poseidon = "0.39"
+jubjub-schnorr = "0.4"
 subtle = { version = "^2.2.1", default-features = false }
 ff = { version = "0.13", default-features = false }
 aes-gcm = "0.10"
@@ -31,7 +31,6 @@ rkyv = { version = "0.7", default-features = false, features = ["size_32"] }
 default = []    # "alloc" is suggested as default feature but would be breaking change
 alloc = []
 rkyv-impl = [
-    "dusk-poseidon/rkyv-impl",
     "dusk-jubjub/rkyv-impl",
     "jubjub-schnorr/rkyv-impl",
     "dusk-bls12_381/rkyv-impl",

core/src/note.rs

@@ -16,7 +16,7 @@ use dusk_jubjub::{
 
 use crate::aes;
 
-use dusk_poseidon::sponge::hash;
+use dusk_poseidon::{Domain, Hash};
 use ff::Field;
 use rand_core::{CryptoRng, RngCore};
 
@@ -238,7 +238,7 @@ impl Note {
 
         let pos = BlsScalar::from(self.pos);
 
-        hash(&[pk_prime[0], pk_prime[1], pos])
+        Hash::digest(Domain::Other, &[pk_prime[0], pk_prime[1], pos])[0]
     }
 
     /// Return the internal representation of scalars to be hashed
@@ -260,7 +260,7 @@ impl Note {
     /// Return a hash represented by `H(note_type, value_commitment,
     /// H(StealthAddress), pos, encrypted_data)
     pub fn hash(&self) -> BlsScalar {
-        hash(&self.hash_inputs())
+        Hash::digest(Domain::Other, &self.hash_inputs())[0]
     }
 
     /// Return the type of the note