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Change docstring to match the trait bound

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Henry de Valence 2017-05-02 21:22:04 -07:00
parent 6ea1d4dad2
commit 91e11b6318
1 changed files with 4 additions and 6 deletions
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10
src/scalar.rs
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@ -144,21 +144,19 @@ impl CTAssignable for Scalar {
}
impl Scalar {
/// Return a `Scalar` chosen uniformly at random using a CSPRNG.
/// Panics if the operating system's CSPRNG is unavailable.
/// Return a `Scalar` chosen uniformly at random using a user-provided RNG.
///
/// # Inputs
///
/// * `cspring`: any cryptographically secure PRNG which
/// implements the `rand::Rng` interface.
/// * `rng`: any RNG which implements the `rand::Rng` interface.
///
/// # Returns
///
/// A random scalar within ℤ/lℤ.
#[cfg(feature = "std")]
pub fn random<T: Rng>(csprng: &mut T) -> Self {
pub fn random<T: Rng>(rng: &mut T) -> Self {
let mut scalar_bytes = [0u8; 64];
csprng.fill_bytes(&mut scalar_bytes);
rng.fill_bytes(&mut scalar_bytes);
Scalar::reduce(&scalar_bytes)
}