From 0b7ab2c6ba34d09bbcc25b7fb417e74e4de2d7b6 Mon Sep 17 00:00:00 2001
From: Alex Gaynor <alex.gaynor@gmail.com>
Date: Wed, 31 May 2023 17:42:44 -0400
Subject: [PATCH] Added tests for NUL bytes in PKCS8 passphrases

---
 tests/hazmat/primitives/test_ed25519.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tests/hazmat/primitives/test_ed25519.py b/tests/hazmat/primitives/test_ed25519.py
index 4b47e0a1657f..2501f1cf1bb1 100644
--- a/tests/hazmat/primitives/test_ed25519.py
+++ b/tests/hazmat/primitives/test_ed25519.py
@@ -245,6 +245,13 @@ def test_invalid_public_bytes(self, backend):
                 None,
                 serialization.load_der_private_key,
             ),
+            (
+                serialization.Encoding.DER,
+                serialization.PrivateFormat.PKCS8,
+                serialization.BestAvailableEncryption(b"\x00"),
+                b"\x00",
+                serialization.load_der_private_key,
+            ),
         ],
     )
     def test_round_trip_private_serialization(