Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/third_party/rust/rand_rccrypto/src/lib.rs b/third_party/rust/rand_rccrypto/src/lib.rs
new file mode 100644
index 0000000000..163f90e174
--- /dev/null
+++ b/third_party/rust/rand_rccrypto/src/lib.rs
@@ -0,0 +1,30 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+pub use rand;
+pub use rand_core;
+use rand_core::{impls, CryptoRng, Error, RngCore};
+
+pub struct RcCryptoRng;
+
+impl RngCore for RcCryptoRng {
+    fn next_u32(&mut self) -> u32 {
+        impls::next_u32_via_fill(self)
+    }
+
+    fn next_u64(&mut self) -> u64 {
+        impls::next_u64_via_fill(self)
+    }
+
+    fn fill_bytes(&mut self, dest: &mut [u8]) {
+        self.try_fill_bytes(dest).unwrap()
+    }
+
+    fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
+        rc_crypto::rand::fill(dest).map_err(Error::new)
+    }
+}
+
+// NSS's `PK11_GenerateRandom` is considered a CSPRNG.
+impl CryptoRng for RcCryptoRng {}