Align Ristretto255::random_scalar() with spec (#142)

2025-05-07 15:40:24 -07:00
parent 23aa7813e7
commit f3f4fef0e9
1 changed files with 3 additions and 2 deletions
@@ -96,9 +96,10 @@ impl Group for Ristretto255 {

    fn random_scalar<R: RngCore + CryptoRng>(rng: &mut R) -> Self::Scalar {
        loop {
-            let scalar = Scalar::random(rng);
+            let mut scalar_bytes = [0u8; 32];
+            rng.fill_bytes(&mut scalar_bytes);

-            if scalar != Scalar::ZERO {
+            if let Ok(scalar) = Self::deserialize_scalar(&scalar_bytes) {
                break scalar;
            }
        }