1 files changed, 9 insertions, 0 deletions
diff --git a/tests/hazmat/primitives/twofactor/test_hotp.py b/tests/hazmat/primitives/twofactor/test_hotp.py
index ab5f93c5..14cb08a8 100644
--- a/tests/hazmat/primitives/twofactor/test_hotp.py
+++ b/tests/hazmat/primitives/twofactor/test_hotp.py
@@ -35,6 +35,10 @@ class TestHOTP(object):
         with pytest.raises(ValueError):
             HOTP(secret, 6, SHA1(), backend)
 
+    def test_unenforced_invalid_kwy_length(self, backend):
+        secret = os.urandom(10)
+        HOTP(secret, 6, SHA1(), backend, enforce_key_length=False)
+
     def test_invalid_hotp_length(self, backend):
         secret = os.urandom(16)
 
@@ -105,6 +109,11 @@ class TestHOTP(object):
             "GNBVGY3TQOJQGEZDGNBVGY3TQOJQ&algorithm=SHA1&issuer=Foo"
             "&counter=1")
 
+    def test_buffer_protocol(self, backend):
+        key = bytearray(b"a long key with lots of entropy goes here")
+        hotp = HOTP(key, 6, SHA1(), backend)
+        assert hotp.generate(10) == b"559978"
+
 
 def test_invalid_backend():
     secret = b"12345678901234567890"