Elois/rand

src/hashs/mod.rs

@@ -16,8 +16,9 @@
 //! Provide wrappers for cryptographic hashs
 
 use crate::bases::*;
+#[cfg(feature = "rand")]
 use crate::rand::UnspecifiedRandError;
-use ring::{digest, rand};
+use ring::digest;
 #[cfg(feature = "ser")]
 use serde::{Deserialize, Serialize};
 use std::fmt::{Debug, Display, Error, Formatter};
@@ -57,12 +58,12 @@ impl Hash {
     /// Hash size (in bytes).
     pub const SIZE_IN_BYTES: usize = 32;
 
+    #[cfg(feature = "rand")]
     /// Generate a random Hash
     #[inline]
     pub fn random() -> Result<Self, UnspecifiedRandError> {
-        let random_bytes = rand::generate::<[u8; 32]>(&rand::SystemRandom::new())
-            .map_err(|_| UnspecifiedRandError)?;
-        Ok(Hash(random_bytes.expose()))
+        let random_bytes = crate::rand::gen_32_bytes().map_err(|_| UnspecifiedRandError)?;
+        Ok(Hash(random_bytes))
     }
 
     /// Compute hash of any binary datas
@@ -103,6 +104,7 @@ mod tests {
 
     use super::*;
 
+    #[cfg(feature = "rand")]
     #[test]
     fn test_hash_random() {
         let hash1 = Hash::random();