'Test loading private DER keys.'

def test_load_private_key(self):

    key = rsa.key.PrivateKey.load_pkcs1(PRIVATE_DER, 'DER')
    expected = rsa.key.PrivateKey(3727264081, 65537, 3349121513, 65063, 57287)
    self.assertEqual(expected, key)
