vexahub/opaque-vx
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Rename Group::to_bytes() into Group::to_arr(),

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This brings the `Group` and `SizedBytes` traits into some sort of name
coherence (they both return a GenericArray). This also uses
`&my_generic_array[..]` (i.e. the `Deref` impl) over
`my_generic_array.as_slice()`.
This commit is contained in:
François Garillot
2020-07-03 17:30:32 -04:00
parent 3e41f2441d
commit bb9c365998
4 changed files with 19 additions and 28 deletions
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src/oprf.rs
+3 -3
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@@ -50,7 +50,7 @@ pub(crate) fn generate_oprf3<G: Group>(
blinding_factor: &G::Scalar,
) -> Result<GenericArray<u8, <Sha256 as Digest>::OutputSize>, InternalPakeError> {
let unblinded = point * &G::scalar_invert(&blinding_factor);
let ikm: Vec<u8> = [&unblinded.to_bytes(), input].concat();
let ikm: Vec<u8> = [&unblinded.to_arr()[..], input].concat();
let (prk, _) = Hkdf::<Sha256>::extract(None, &ikm);
Ok(prk)
}
@@ -77,7 +77,7 @@ mod tests {
let scalar =
RistrettoPoint::from_scalar_slice(GenericArray::from_slice(&oprf_key[..])).unwrap();
let res = point * scalar;
let ikm: Vec<u8> = [res.to_bytes().as_slice(), &input].concat();
let ikm: Vec<u8> = [&res.to_arr()[..], &input].concat();
let (prk, _) = Hkdf::<Sha256>::extract(None, &ikm);
prk
@@ -126,7 +126,7 @@ mod tests {
let point = RistrettoPoint::from_uniform_bytes(&bits);
let mut ikm: Vec<u8> = Vec::new();
ikm.extend_from_slice(&point.to_bytes());
ikm.extend_from_slice(&point.to_arr());
ikm.extend_from_slice(&input);
let (prk, _) = Hkdf::<Sha256>::extract(None, &ikm);