From 916e693ffd3e2974f36cbcdbe9bfb4700ce96be4 Mon Sep 17 00:00:00 2001
From: Paul Dicker <pitdicker@gmail.com>
Date: Thu, 22 Mar 2018 12:50:18 +0100
Subject: [PATCH 1/2] Implement CryptoRng for EntropyRng and StdRng

---
 src/entropy_rng.rs | 4 +++-
 src/lib.rs         | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/entropy_rng.rs b/src/entropy_rng.rs
index b6e19d4e4ff..67a033a9c8a 100644
--- a/src/entropy_rng.rs
+++ b/src/entropy_rng.rs
@@ -10,7 +10,7 @@
 
 //! Entropy generator, or wrapper around external generators
 
-use rand_core::{RngCore, Error, impls};
+use rand_core::{RngCore, CryptoRng, Error, impls};
 use {OsRng, JitterRng};
 
 /// An RNG provided specifically for seeding PRNGs.
@@ -140,6 +140,8 @@ impl RngCore for EntropyRng {
     }
 }
 
+impl CryptoRng for EntropyRng {}
+
 #[cfg(test)]
 mod test {
     use super::*;
diff --git a/src/lib.rs b/src/lib.rs
index 651a44d2082..e07b5f79b0e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -865,6 +865,8 @@ impl SeedableRng for StdRng {
     }
 }
 
+impl CryptoRng for StdRng {}
+
 /// An RNG recommended when small state, cheap initialization and good
 /// performance are required. The PRNG algorithm in `SmallRng` is chosen to be
 /// efficient on the current platform, **without consideration for cryptography

From 0497d3028a9cf909680ab33ddedf76b8bb678a48 Mon Sep 17 00:00:00 2001
From: Paul Dicker <pitdicker@gmail.com>
Date: Thu, 22 Mar 2018 13:30:21 +0100
Subject: [PATCH 2/2] Re-export BlockRngCore

---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index e07b5f79b0e..c4e0ed22099 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -270,7 +270,7 @@ extern crate rand_core;
 use core::{marker, mem, slice};
 
 // re-exports from rand-core
-pub use rand_core::{RngCore, CryptoRng, SeedableRng};
+pub use rand_core::{RngCore, BlockRngCore, CryptoRng, SeedableRng};
 pub use rand_core::{ErrorKind, Error};
 
 // external rngs