mirror of
https://github.com/ansible-collections/community.docker.git
synced 2025-12-15 11:32:05 +00:00
1f2817fa20
* Bump version to 5.0.0-a1. * Drop support for ansible-core 2.15 and 2.16. * Remove Python 2 and early Python 3 compatibility.
44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
# Copyright 2016 Red Hat | Ansible
|
|
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
|
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
from __future__ import annotations
|
|
|
|
import base64
|
|
import random
|
|
|
|
from ansible.module_utils.common.text.converters import to_bytes, to_native, to_text
|
|
|
|
|
|
def generate_insecure_key():
|
|
'''Do NOT use this for cryptographic purposes!'''
|
|
while True:
|
|
# Generate a one-byte key. Right now the functions below do not use more
|
|
# than one byte, so this is sufficient.
|
|
key = bytes([random.randint(0, 255)])
|
|
# Return anything that is not zero
|
|
if key != b'\x00':
|
|
return key
|
|
|
|
|
|
def scramble(value, key):
|
|
'''Do NOT use this for cryptographic purposes!'''
|
|
if len(key) < 1:
|
|
raise ValueError('Key must be at least one byte')
|
|
value = to_bytes(value)
|
|
k = key[0]
|
|
value = bytes([k ^ b for b in value])
|
|
return '=S=' + to_native(base64.b64encode(value))
|
|
|
|
|
|
def unscramble(value, key):
|
|
'''Do NOT use this for cryptographic purposes!'''
|
|
if len(key) < 1:
|
|
raise ValueError('Key must be at least one byte')
|
|
if not value.startswith(u'=S='):
|
|
raise ValueError('Value does not start with indicator')
|
|
value = base64.b64decode(value[3:])
|
|
k = key[0]
|
|
value = bytes([k ^ b for b in value])
|
|
return to_text(value)
|