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Tidy Borromean, fix bugs in last commit, replace todo! with unreachable!

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This commit is contained in:
Luke Parker
2023-07-03 10:15:56 -04:00
parent c20f85da64
commit 15546b6e27
6 changed files with 72 additions and 83 deletions
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12
coins/monero/generators/src/lib.rs
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@@ -5,15 +5,12 @@
#![cfg_attr(not(feature = "std"), no_std)]
use core::cell::OnceCell;
use std_shims::sync::Mutex;
use std_shims::sync::OnceLock;
use sha3::{Digest, Keccak256};
use curve25519_dalek::edwards::{EdwardsPoint as DalekPoint, CompressedEdwardsY};
use curve25519_dalek::scalar::Scalar;
use std_shims::vec::Vec;
use group::{Group, GroupEncoding};
use dalek_ff_group::EdwardsPoint;
@@ -42,19 +39,16 @@ pub fn H() -> DalekPoint {
static H_POW_2_CELL: OnceLock<[DalekPoint; 64]> = OnceLock::new();
/// Monero's alternate generator `H`, multiplied by 2**i for i in 1 ..= 64.
#[allow(non_snake_case)]
pub fn H_pow_2() -> &[DalekPoint; 64] {
pub fn H_pow_2() -> &'static [DalekPoint; 64] {
H_POW_2_CELL.get_or_init(|| {
let mut res = [H(); 64];
for i in 1 .. 64 {
res[i] = res[i - 1].double();
res[i] = res[i - 1] + res[i - 1];
}
res
})
}
#[allow(non_snake_case)]
fn generate_H2() -> [DalekPoint; 64] {
const MAX_M: usize = 16;
const N: usize = 64;
const MAX_MN: usize = MAX_M * N;