Python HmacPrfKeyFormat Examples

Example #1

File: cc_key_manager_test.py Project: wwjiang007/tink

 def new_hmac_prf_key_template(self, hash_type, key_size):
   key_format = hmac_prf_pb2.HmacPrfKeyFormat()
   key_format.params.hash = hash_type
   key_format.key_size = key_size
   key_format.version = 0
   key_template = tink_pb2.KeyTemplate()
   key_template.type_url = 'type.googleapis.com/google.crypto.tink.HmacPrfKey'
   key_template.value = key_format.SerializeToString()
   return key_template.SerializeToString()

Example #2

File: _prf_key_templates.py Project: szaydel/tink

def _create_hmac_key_template(
    key_size: int, hash_type: common_pb2.HashType) -> tink_pb2.KeyTemplate:
  """Creates an HMAC PRF KeyTemplate, and fills in its values."""
  key_format = hmac_prf_pb2.HmacPrfKeyFormat()
  key_format.params.hash = hash_type
  key_format.key_size = key_size
  key_format.version = 0
  key_template = tink_pb2.KeyTemplate()
  key_template.value = key_format.SerializeToString()
  key_template.type_url = _HMAC_PRF_KEY_TYPE_URL
  key_template.output_prefix_type = tink_pb2.RAW
  return key_template