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Various feature tweaks and updates

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This commit is contained in:
Luke Parker
2025-08-29 06:14:25 -04:00
parent 90bc364f9f
commit e2dc5db7aa
25 changed files with 126 additions and 462 deletions
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5
crypto/secq256k1/Cargo.toml
View File

@@ -18,12 +18,11 @@ hex-literal = { version = "0.4", default-features = false }
std-shims = { version = "0.1", path = "../../common/std-shims", default-features = false, optional = true }
generic-array = { version = "1", default-features = false }
k256 = { version = "0.13", default-features = false, features = ["arithmetic"] }
prime-field = { path = "../prime-field", default-features = false }
short-weierstrass = { path = "../short-weierstrass", default-features = false }
blake2 = { version = "0.11.0-rc.0", default-features = false }
sha2 = { version = "0.11.0-rc.0", default-features = false }
ciphersuite = { path = "../ciphersuite", version = "0.4", default-features = false }
generalized-bulletproofs-ec-gadgets = { git = "https://github.com/monero-oxide/monero-oxide", rev = "a6f8797007e768488568b821435cf5006517a962", default-features = false, optional = true }
@@ -35,6 +34,6 @@ rand_core = { version = "0.6", features = ["std"] }
ff-group-tests = { path = "../ff-group-tests" }
[features]
alloc = ["std-shims", "generic-array/alloc", "k256/alloc", "prime-field/alloc", "short-weierstrass/alloc", "ciphersuite/alloc", "generalized-bulletproofs-ec-gadgets"]
alloc = ["std-shims", "k256/alloc", "prime-field/alloc", "short-weierstrass/alloc", "sha2/alloc", "ciphersuite/alloc", "generalized-bulletproofs-ec-gadgets"]
std = ["alloc", "std-shims/std", "k256/std", "prime-field/std", "ciphersuite/std", "generalized-bulletproofs-ec-gadgets/std"]
default = ["std"]

18
crypto/secq256k1/src/lib.rs
View File

@@ -8,8 +8,10 @@ use std_shims::prelude::*;
#[cfg(feature = "alloc")]
use std_shims::io::{self, Read};
// Doesn't use the `generic-array 0.14` exported by `k256::elliptic_curve` as we need `1.0`
use generic_array::{typenum::U33, GenericArray};
use sha2::{
digest::array::{typenum::U33, Array},
Sha512,
};
use k256::elliptic_curve::{
subtle::{Choice, ConstantTimeEq, ConditionallySelectable},
zeroize::Zeroize,
@@ -66,11 +68,11 @@ impl ShortWeierstrass for Secq256k1 {
});
type Scalar = Scalar;
type Repr = GenericArray<u8, U33>;
type Repr = Array<u8, U33>;
/// Use the SEC1-encoded identity point, which happens to be all zeroes
const IDENTITY: Self::Repr = GenericArray::from_array([0; 33]);
const IDENTITY: Self::Repr = Array([0; 33]);
fn encode_compressed(x: Self::FieldElement, odd_y: Choice) -> Self::Repr {
let mut res = GenericArray::default();
let mut res = Array([0; 33]);
res[0] =
<_>::conditional_select(&(Tag::CompressedEvenY as u8), &(Tag::CompressedOddY as u8), odd_y);
{
@@ -110,7 +112,7 @@ pub type Point = Projective<Secq256k1>;
impl ciphersuite::Ciphersuite for Secq256k1 {
type F = Scalar;
type G = Point;
type H = blake2::Blake2b512;
type H = Sha512;
const ID: &'static [u8] = b"secq256k1";
@@ -136,7 +138,7 @@ impl ciphersuite::Ciphersuite for Secq256k1 {
#[cfg(feature = "alloc")]
impl generalized_bulletproofs_ec_gadgets::DiscreteLogParameter for Secq256k1 {
type ScalarBits = generic_array::typenum::U<{ Scalar::NUM_BITS as usize }>;
type ScalarBits = sha2::digest::array::typenum::U<{ Scalar::NUM_BITS as usize }>;
}
#[test]
@@ -149,7 +151,7 @@ fn generator() {
use ciphersuite::group::GroupEncoding;
assert_eq!(
Point::generator(),
Point::from_bytes(GenericArray::from_slice(&hex_literal::hex!(
Point::from_bytes(&Array(hex_literal::hex!(
"020000000000000000000000000000000000000000000000000000000000000001"
)))
.unwrap()