def new_verify_key_pair(key_id, output_prefix_type):
    fake_key = helper.fake_key(
        key_id=key_id,
        key_material_type=tink_pb2.KeyData.ASYMMETRIC_PRIVATE,
        output_prefix_type=output_prefix_type)
    fake_verify = helper.FakePublicKeyVerify(
        'fakePublicKeySign {}'.format(key_id))
    return fake_verify, fake_key,
def to_verify_key_pair(key):
    fake_verify = helper.FakePublicKeyVerify('fakePublicKeySign {}'.format(
        key.key_id))
    return fake_verify, key