From a606a1a45a32117b170e3a5d59f51fc6f123e084 Mon Sep 17 00:00:00 2001
From: Wez Furlong <wez@wezfurlong.org>
Date: Mon, 14 Apr 2025 19:22:33 -0700
Subject: [PATCH] embassy-rp: impl rand_core::CryptoRng for Trng

Per discussion in https://github.com/embassy-rs/embassy/pull/3338/files#r2040704590
the Trng implementation satisfies the requirements for CryptoRng,
so it is reasonable to implement this marker trait.
---
 embassy-rp/src/trng.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/embassy-rp/src/trng.rs b/embassy-rp/src/trng.rs
index 44b1bb996..611fee83b 100644
--- a/embassy-rp/src/trng.rs
+++ b/embassy-rp/src/trng.rs
@@ -368,6 +368,9 @@ impl<'d, T: Instance> rand_core::RngCore for Trng<'d, T> {
         Ok(())
     }
 }
+
+impl<'d, T: Instance> rand_core::CryptoRng for Trng<'d, T> {}
+
 /// TRNG interrupt handler.
 pub struct InterruptHandler<T: Instance> {
     _trng: PhantomData<T>,