# Copyright 2022 Google LLC # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS-IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Example to showcase how to load a cleartext keyset.""" # [START tink_walkthrough_load_cleartext_keyset] import tink from tink import cleartext_keyset_handle def LoadKeyset(serialized_keyset: str) -> tink.KeysetHandle: r"""Loads a JSON-serialized unencrypted keyset and returns a KeysetHandle. Prerequisites for this example: - Create an plaintext keyset in JSON, for example, using Tinkey: tinkey create-key --key-template AES256_GCM --out-format json \ --out keyset.json Args: serialized_keyset: JSON serialized keyset. Returns: A handle to the loaded keyset. Raises: tink.TinkError in case of errors. """ return cleartext_keyset_handle.read(tink.JsonKeysetReader(serialized_keyset)) # [END tink_walkthrough_load_cleartext_keyset]