From 9c0d6c251dabb0b2b6e22898f509c3eae427177b Mon Sep 17 00:00:00 2001
From: Matt Johnston <matt@ucc.asn.au>
Date: Sun, 5 Mar 2023 23:21:03 +0800
Subject: [PATCH] Use getrandom directly

---
 Cargo.toml    |  3 +--
 src/random.rs | 16 ++++------------
 2 files changed, 5 insertions(+), 14 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 5b5f608..dd2cdb7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,8 +36,7 @@ no-panic = "0.1"
 # allows avoiding utf8 for SSH identifier names
 ascii = { version = "1.0", default-features = false }
 
-rand = { version = "0.8", default-features = false, features = ["getrandom"] }
-rand_core = { version = "0.6", default-features = false }
+getrandom = "0.2"
 
 ctr = { version = "0.9", features = ["zeroize"] }
 aes = { version = "0.8", features = ["zeroize"] }
diff --git a/src/random.rs b/src/random.rs
index 4e98794..3bb863e 100644
--- a/src/random.rs
+++ b/src/random.rs
@@ -4,17 +4,9 @@ use {
     log::{debug, error, info, log, trace, warn},
 };
 
-use rand::{RngCore, Rng, CryptoRng};
-use core::num::Wrapping;
-
-pub type SunsetRng = rand::rngs::OsRng;
-
 pub fn fill_random(buf: &mut [u8]) -> Result<(), Error> {
-    // TODO: can this return an error?
-    let mut rng = SunsetRng::default();
-    rng.try_fill_bytes(buf)
-        .map_err(|e| {
-            debug!("RNG failed: {e:?}");
-            Error::msg("RNG failed")
-        })
+    getrandom::getrandom(buf)
+    .map_err(|_| {
+        Error::msg("RNG failed")
+    })
 }