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Consolidate concise/efficient and clean

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This commit is contained in:
Luke Parker
2022-07-07 07:30:10 -04:00
parent 7d80b6e854
commit 1a2e6dc5cf
13 changed files with 458 additions and 663 deletions
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26
crypto/dleq/src/cross_group/schnorr.rs
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@@ -2,7 +2,8 @@ use rand_core::{RngCore, CryptoRng};
use transcript::Transcript;
use group::{ff::Field, prime::PrimeGroup};
use group::{ff::{Field, PrimeFieldBits}, prime::PrimeGroup};
use multiexp::BatchVerifier;
use crate::challenge;
@@ -20,7 +21,7 @@ pub(crate) struct SchnorrPoK<G: PrimeGroup> {
s: G::Scalar
}
impl<G: PrimeGroup> SchnorrPoK<G> {
impl<G: PrimeGroup> SchnorrPoK<G> where G::Scalar: PrimeFieldBits {
// Not hram due to the lack of m
#[allow(non_snake_case)]
fn hra<T: Transcript>(transcript: &mut T, generator: G, R: G, A: G) -> G::Scalar {
@@ -46,16 +47,23 @@ impl<G: PrimeGroup> SchnorrPoK<G> {
}
}
#[must_use]
pub(crate) fn verify<T: Transcript>(
pub(crate) fn verify<R: RngCore + CryptoRng, T: Transcript>(
&self,
rng: &mut R,
transcript: &mut T,
generator: G,
public_key: G
) -> bool {
(generator * self.s) == (
self.R + (public_key * Self::hra(transcript, generator, self.R, public_key))
)
public_key: G,
batch: &mut BatchVerifier<(), G>
) {
batch.queue(
rng,
(),
[
(-self.s, generator),
(G::Scalar::one(), self.R),
(Self::hra(transcript, generator, self.R, public_key), public_key)
]
);
}
#[cfg(feature = "serialize")]