'When L{SSHCiphers._getMAC} is called with the C{b"hmac-sha2-512"} MAC
algorithm name it returns a tuple of (sha512 digest object, inner pad,
outer pad, sha512 digest size) with a C{key} attribute set to the
value of the key supplied.'

def test_hmacsha2512(self):

    self.assertGetMAC('hmac-sha2-512', sha512, digestSize=64, blockPadSize=64)
