Merge branch 'rng_ref' of git://github.com/burdges/curve25519-dalek i…

…nto burdges-rng_ref

src/ristretto.rs

@@ -638,7 +638,7 @@ impl RistrettoPoint {
     /// discrete log of the output point with respect to any other
     /// point should be unknown.  The map is applied twice and the
     /// results are added, to ensure a uniform distribution.
-    pub fn random<T: RngCore + CryptoRng>(rng: &mut T) -> Self {
+    pub fn random<T: RngCore + CryptoRng>(mut rng: T) -> Self {
         let mut uniform_bytes = [0u8; 64];
         rng.fill_bytes(&mut uniform_bytes);
 

src/scalar.rs

@@ -527,7 +527,7 @@ impl Scalar {
     /// let mut csprng: OsRng = OsRng::new().unwrap();
     /// let a: Scalar = Scalar::random(&mut csprng);
     /// # }
-    pub fn random<T: RngCore + CryptoRng>(rng: &mut T) -> Self {
+    pub fn random<T: RngCore + CryptoRng>(mut rng: T) -> Self {
         let mut scalar_bytes = [0u8; 64];
         rng.fill_bytes(&mut scalar_bytes);
         Scalar::from_bytes_mod_order_wide(&scalar_bytes)