vexahub/voprf-vx
4
0
Fork 0
Code Issues 1 Pull Requests Actions Releases 5 Activity

Update curve25519-dalek to 4.0.0-pre.5 (#86)

Browse Source 
* Update `curve25519-dalek`

* Improve documentation
This commit is contained in:
daxpedda
2022-12-17 18:12:23 -08:00
committed by GitHub
parent 6913b5deaa
commit 1691125b09
4 changed files with 18 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/group/ristretto.rs
+5 -9
View File
@@ -22,8 +22,6 @@ use crate::{Error, InternalError, Result};
/// [`Group`] implementation for Ristretto255.
#[derive(Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
// `cfg` here is only needed because of a bug in Rust's crate feature documentation. See: https://github.com/rust-lang/rust/issues/83428
#[cfg(feature = "ristretto255")]
pub struct Ristretto255;
#[cfg(feature = "ristretto255-ciphersuite")]
@@ -35,8 +33,6 @@ impl crate::CipherSuite for Ristretto255 {
type Hash = sha2::Sha512;
}
// `cfg` here is only needed because of a bug in Rust's crate feature documentation. See: https://github.com/rust-lang/rust/issues/83428
#[cfg(feature = "ristretto255")]
impl Group for Ristretto255 {
type Elem = RistrettoPoint;
@@ -104,7 +100,7 @@ impl Group for Ristretto255 {
loop {
let scalar = Scalar::random(rng);
if scalar != Scalar::zero() {
if scalar != Scalar::ZERO {
break scalar;
}
}
@@ -115,12 +111,12 @@ impl Group for Ristretto255 {
}
fn is_zero_scalar(scalar: Self::Scalar) -> subtle::Choice {
scalar.ct_eq(&Scalar::zero())
scalar.ct_eq(&Scalar::ZERO)
}
#[cfg(test)]
fn zero_scalar() -> Self::Scalar {
Scalar::zero()
Scalar::ZERO
}
fn serialize_scalar(scalar: Self::Scalar) -> GenericArray<u8, Self::ScalarLen> {
@@ -131,8 +127,8 @@ impl Group for Ristretto255 {
scalar_bits
.try_into()
.ok()
.and_then(Scalar::from_canonical_bytes)
.filter(|scalar| scalar != &Scalar::zero())
.and_then(|bytes| Scalar::from_canonical_bytes(bytes).into())
.filter(|scalar| scalar != &Scalar::ZERO)
.ok_or(Error::Deserialization)
}
}
src/lib.rs
+5 -14
View File
@@ -532,24 +532,15 @@
//! a [`CipherSuite`].
//!
//! - The `ristretto255` feature enables using [`Ristretto255`] as the
//! underlying group for the [Group] choice. A backend feature, which are
//! re-exported from [curve25519-dalek] and allow for selecting the
//! corresponding backend for the curve arithmetic used, has to be selected,
//! otherwise compilation will fail. The `ristretto255-u64` feature is
//! included as the default. Other features are mapped as `ristretto255-u32`,
//! `ristretto255-fiat-u64` and `ristretto255-fiat-u32`. Any `ristretto255-*`
//! backend feature will enable the `ristretto255` feature.
//!
//! - The `ristretto255-simd` feature is re-exported from [curve25519-dalek] and
//! enables parallel formulas, using either AVX2 or AVX512-IFMA. This will
//! automatically enable the `ristretto255-u64` feature and requires Rust
//! nightly.
//! underlying group for the [Group] choice. To select a specific backend see
//! the [curve25519-dalek] documentation.
//!
//! [curve25519-dalek]:
//! (https://doc.dalek.rs/curve25519_dalek/index.html#backends-and-features)
//! (https://docs.rs/curve25519-dalek/4.0.0-pre.5/curve25519_dalek/index.html#backends)
#![cfg_attr(not(test), deny(unsafe_code))]
#![no_std]
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
#![cfg_attr(not(test), deny(unsafe_code))]
#![warn(
clippy::cargo,
clippy::missing_errors_doc,