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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
#!/usr/bin/env python3
########################################################################
# File name: cert_to_pk_pin.py
# This file is part of: aioxmpp
#
# LICENSE
#
# This program 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 (at
# your option) any later version.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
########################################################################
import argparse
import base64
import OpenSSL.crypto
import aioxmpp.security_layer as sl
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
"infile",
type=argparse.FileType("rb"),
metavar="CERTFILE",
help="Certificate file to read"
)
args = parser.parse_args()
with args.infile as f:
x509 = OpenSSL.crypto.load_certificate(
OpenSSL.crypto.FILETYPE_PEM,
f.read()
)
print(base64.b64encode(
sl.extract_pk_blob_from_pyasn1(sl.blob_to_pyasn1(
sl.extract_blob(x509)
))
).decode("ascii"))
if __name__ == "__main__":
main()
|
