blob: 7f7151a7d46ee8a71f254ab357f1e60eea652712 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
#!/usr/bin/python
#
# spreadspace avr utils
#
#
# Copyright (C) 2013-2016 Christian Pointner <equinox@spreadspace.org>
#
# This file is part of spreadspace avr utils.
#
# spreadspace avr utils is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# spreadspace avr utils is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
#
import binascii
from cryptography.hazmat.primitives.ciphers.aead import ChaCha20Poly1305
hdr = "hello world!"
body_enc = binascii.unhexlify("5535BB923FB4BDCA401D3AE05C85FF314BD22423FE339CD00259551AECA534FABBEB16B39CC9AC14DF")
key = binascii.unhexlify("7043b69bde20446661ba579e83fda0830e3e61c95b5ac8deeb79973ba0df02d8")
iv = binascii.unhexlify("6fac1c6a94a5788761cf9ecd")
cipher = ChaCha20Poly1305(key)
msg = cipher.decrypt(iv, body_enc, hdr)
print(str(msg))
|
