def setUp(self):
     from acme.jose.util import HashableRSAKey
     self.key = HashableRSAKey(
         Crypto.PublicKey.RSA.importKey(
             pkg_resources.resource_string(
                 __name__, os.path.join('testdata', 'rsa256_key.pem'))))
     self.key_same = HashableRSAKey(
         Crypto.PublicKey.RSA.importKey(
             pkg_resources.resource_string(
                 __name__, os.path.join('testdata', 'rsa256_key.pem'))))