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[ed25519] improve rng bounds for random function (#54)

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zz-sol 2026-06-18 07:32:53 -04:00 committed by GitHub
parent 34e36a7c32
commit ff4e6654d1
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1 changed files with 3 additions and 3 deletions
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6
curve25519/solana-ed25519/src/edwards.rs
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@ -118,7 +118,7 @@ use {
};
#[cfg(feature = "rand_core")]
use rand_core::RngCore;
use rand_core::{CryptoRng, RngCore};
use subtle::Choice;
use subtle::ConditionallyNegatable;
@ -741,7 +741,7 @@ impl EdwardsPoint {
///
/// # Inputs
///
/// * `rng`: any RNG which implements `RngCore`
/// * `rng`: any RNG which implements `CryptoRng` and `RngCore`
///
/// # Returns
///
@ -752,7 +752,7 @@ impl EdwardsPoint {
/// Uses rejection sampling, generating a random `CompressedEdwardsY` and then attempting point
/// decompression, rejecting invalid points.
#[cfg(feature = "rand_core")]
pub fn random<R: RngCore + ?Sized>(rng: &mut R) -> Self {
pub fn random<R: CryptoRng + RngCore + ?Sized>(rng: &mut R) -> Self {
let mut repr = CompressedEdwardsY([0u8; 32]);
loop {
rng.fill_bytes(&mut repr.0);