| # Copyright 2020 The LUCI Authors. |
| # |
| # 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. |
| |
| """Functions to calculate hash digests of blocks of data.""" |
| |
| load("@stdlib//internal/strutil.star", "strutil") |
| |
| digest = struct( |
| sha256 = struct( |
| size = 32, |
| bytes = lambda blob: __native__.hash_digest("SHA256", blob), |
| hex = lambda blob: strutil.hex_encode(__native__.hash_digest("SHA256", blob)), |
| ), |
| ) |