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Have included return a reference instead of a cloned Vec

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This commit is contained in:
Luke Parker 2022-12-13 19:40:54 -05:00
parent 2b042015b5
commit 9c65518dc3
No known key found for this signature in database
3 changed files with 5 additions and 5 deletions
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2
coins/monero/src/ringct/clsag/multisig.rs
View file

@ -229,7 +229,7 @@ impl Algorithm<Ed25519> for ClsagMultisig {
&mut self.image,
self.H,
view.offset().0,
&view.included(),
view.included(),
l,
addendum.key_image.0,
);

4
crypto/dkg/src/lib.rs
View file

@ -376,8 +376,8 @@ impl<C: Ciphersuite> ThresholdView<C> {
self.group_key
}
pub fn included(&self) -> Vec<u16> {
self.included.clone()
pub fn included(&self) -> &[u16] {
&self.included
}
pub fn secret_share(&self) -> &Zeroizing<C::F> {

4
crypto/frost/src/sign.rs
View file

@ -461,7 +461,7 @@ impl<C: Curve, A: Algorithm<C>> SignatureMachine<A::Signature> for AlgorithmSign
mut shares: HashMap<u16, SignatureShare<C>>,
) -> Result<A::Signature, FrostError> {
let params = self.params.multisig_params();
validate_map(&shares, &self.view.included(), params.i())?;
validate_map(&shares, self.view.included(), params.i())?;
let mut responses = HashMap::new();
responses.insert(params.i(), self.share);
@ -481,7 +481,7 @@ impl<C: Curve, A: Algorithm<C>> SignatureMachine<A::Signature> for AlgorithmSign
// Find out who misbehaved
// Randomly sorts the included participants to discover the answer on average within n/2 tries
// If we didn't randomly sort them, it would be gameable to n by a malicious participant
let mut rand_included = self.view.included();
let mut rand_included = self.view.included().to_vec();
// It is unfortunate we have to construct a ChaCha RNG here, yet it's due to the lack of a
// provided RNG. Its hashing is cheaper than abused ECC ops
rand_included.shuffle(&mut ChaCha8Rng::from_seed(self.blame_entropy));