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Cleanup which makes transcript optional, only required for multisig

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This commit is contained in:
Luke Parker
2022-05-03 08:49:46 -04:00
parent 56fc39fff5
commit 9a42391b75
12 changed files with 167 additions and 161 deletions
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22
coins/monero/src/lib.rs
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@@ -12,8 +12,6 @@ use curve25519_dalek::{
use monero::util::key::H;
use transcript::DigestTranscript;
#[cfg(feature = "multisig")]
pub mod frost;
@@ -39,19 +37,10 @@ extern "C" {
) -> bool;
}
// Allows using a modern rand as dalek's is notoriously dated
pub fn random_scalar<R: RngCore + CryptoRng>(rng: &mut R) -> Scalar {
let mut r = [0; 64];
rng.fill_bytes(&mut r);
Scalar::from_bytes_mod_order_wide(&r)
}
lazy_static! {
static ref H_TABLE: EdwardsBasepointTable = EdwardsBasepointTable::create(&H.point.decompress().unwrap());
}
pub(crate) type Transcript = DigestTranscript::<blake2::Blake2b512>;
#[allow(non_snake_case)]
#[derive(Copy, Clone, PartialEq, Eq, Debug)]
pub struct Commitment {
@@ -73,6 +62,13 @@ impl Commitment {
}
}
// Allows using a modern rand as dalek's is notoriously dated
pub fn random_scalar<R: RngCore + CryptoRng>(rng: &mut R) -> Scalar {
let mut r = [0; 64];
rng.fill_bytes(&mut r);
Scalar::from_bytes_mod_order_wide(&r)
}
pub fn hash(data: &[u8]) -> [u8; 32] {
let mut keccak = Keccak::v256();
keccak.update(data);
@@ -87,8 +83,6 @@ pub fn hash_to_scalar(data: &[u8]) -> Scalar {
pub fn hash_to_point(point: &EdwardsPoint) -> EdwardsPoint {
let mut bytes = point.compress().to_bytes();
unsafe {
c_hash_to_point(bytes.as_mut_ptr());
}
unsafe { c_hash_to_point(bytes.as_mut_ptr()); }
CompressedEdwardsY::from_slice(&bytes).decompress().unwrap()
}