def add_primitive(self, primitive: P, key: tink_pb2.Keyset.Key) -> Entry:
"""Adds a new primitive and key entry to the set, and returns the entry."""
if not isinstance(primitive, self._primitive_class):
raise _tink_error.TinkError(
'The primitive is not an instance of {}'.format(
self._primitive_class))
identifier = _crypto_format.output_prefix(key)
entry = Entry(primitive, identifier, key.status, key.output_prefix_type)
entries = self._primitives.setdefault(identifier, [])
entries.append(entry)
return entry
def primitive(self, key: tink_pb2.Keyset.Key) -> List[Entry]:
"""Returns a copy of the list of entries for a given key."""
return self.primitive_from_identifier(
_crypto_format.output_prefix(key))