def compute_mac(self, data: bytes) -> bytes:
request = testing_api_pb2.ComputeMacRequest(keyset=self._keyset,
data=data)
response = self._stub.ComputeMac(request)
if response.err:
raise tink.TinkError(response.err)
return response.mac_value
def compute_mac(self, data: bytes) -> bytes:
logging.info('compute_mac in lang %s.', self.lang)
request = testing_api_pb2.ComputeMacRequest(keyset=self._keyset,
data=data)
response = self._stub.ComputeMac(request)
if response.err:
logging.info('error compute_mac in %s: %s', self.lang,
response.err)
raise tink.TinkError(response.err)
return response.mac_value
def test_generate_compute_verify_mac(self):
keyset_servicer = services.KeysetServicer()
mac_servicer = services.MacServicer()
template = mac.mac_key_templates.HMAC_SHA256_128BITTAG.SerializeToString()
gen_request = testing_api_pb2.KeysetGenerateRequest(template=template)
gen_response = keyset_servicer.Generate(gen_request, self._ctx)
self.assertEqual(gen_response.WhichOneof('result'), 'keyset')
keyset = gen_response.keyset
data = b'The quick brown fox jumps over the lazy dog'
comp_request = testing_api_pb2.ComputeMacRequest(keyset=keyset, data=data)
comp_response = mac_servicer.ComputeMac(comp_request, self._ctx)
self.assertEqual(comp_response.WhichOneof('result'), 'mac_value')
mac_value = comp_response.mac_value
verify_request = testing_api_pb2.VerifyMacRequest(
keyset=keyset, mac_value=mac_value, data=data)
verify_response = mac_servicer.VerifyMac(verify_request, self._ctx)
self.assertEmpty(verify_response.err)
