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Fix https://github.com/serai-dex/serai/issues/150

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This commit is contained in:
Luke Parker
2022-11-10 22:35:09 -05:00
parent d714f2202d
commit 84de427d72
32 changed files with 313 additions and 278 deletions
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21
crypto/dleq/src/cross_group/schnorr.rs
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@@ -1,6 +1,8 @@
use core::ops::Deref;
use rand_core::{RngCore, CryptoRng};
use zeroize::Zeroize;
use zeroize::{Zeroize, Zeroizing};
use transcript::Transcript;
@@ -44,18 +46,17 @@ where
rng: &mut R,
transcript: &mut T,
generator: G,
mut private_key: G::Scalar,
private_key: &Zeroizing<G::Scalar>,
) -> SchnorrPoK<G> {
let mut nonce = G::Scalar::random(rng);
let nonce = Zeroizing::new(G::Scalar::random(rng));
#[allow(non_snake_case)]
let R = generator * nonce;
let res = SchnorrPoK {
let R = generator * nonce.deref();
SchnorrPoK {
R,
s: nonce + (private_key * SchnorrPoK::hra(transcript, generator, R, generator * private_key)),
};
private_key.zeroize();
nonce.zeroize();
res
s: (SchnorrPoK::hra(transcript, generator, R, generator * private_key.deref()) *
private_key.deref()) +
nonce.deref(),
}
}
pub(crate) fn verify<R: RngCore + CryptoRng, T: Transcript>(