From a77994408da328e6b0fba331211be9ad2db5c5b6 Mon Sep 17 00:00:00 2001
From: Paul Kehrer <paul.l.kehrer@gmail.com>
Date: Thu, 17 Jan 2019 15:56:23 -0600
Subject: support byteslike in ConcatKDF{HMAC,Hash}, Scrypt, and X963KDF
 (#4709)

* byteslike concatkdf

* byteslike scrypt

* byteslike x963kdf
---
 tests/hazmat/primitives/test_x963kdf.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'tests/hazmat/primitives/test_x963kdf.py')

diff --git a/tests/hazmat/primitives/test_x963kdf.py b/tests/hazmat/primitives/test_x963kdf.py
index d87a46b8..c4dd8925 100644
--- a/tests/hazmat/primitives/test_x963kdf.py
+++ b/tests/hazmat/primitives/test_x963kdf.py
@@ -45,6 +45,17 @@ class TestX963KDF(object):
 
         assert xkdf.derive(key) == derivedkey
 
+    def test_buffer_protocol(self, backend):
+        key = bytearray(binascii.unhexlify(
+            b"96c05619d56c328ab95fe84b18264b08725b85e33fd34f08"
+        ))
+
+        derivedkey = binascii.unhexlify(b"443024c3dae66b95e6f5670601558f71")
+
+        xkdf = X963KDF(hashes.SHA256(), 16, None, backend)
+
+        assert xkdf.derive(key) == derivedkey
+
     def test_verify(self, backend):
         key = binascii.unhexlify(
             b"22518b10e70f2a3f243810ae3254139efbee04aa57c7af7d"
-- 
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