1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
15 # Mix of utilities and services related to bytes
21 # Extends `self` by appending the number of bytes of padding to the end of the block.
23 # assert "YELLOW SUBMARINE".to_bytes.pkcs7(20) == "YELLOW SUBMARINE\x04\x04\x04\x04".to_bytes
24 fun pkcs7
(blocksize
: Int): Bytes
26 var mod
= length
% blocksize
27 if mod
== 0 then return self
28 var pad
= blocksize
- mod
30 for i
in [0..pad
[ do add byte