blob: 5c74704875efdbe9f20aa73fe4a86e2e69a0f815 (
plain)
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
|
#!/bin/python
import binascii
import codecs
import hashlib
import hmac
import random
import string
import subprocess
import sys
with open('.shared_secret', 'r') as file:
ssh = file.read().strip()
ss = codecs.decode(ssh, 'hex')
chh = ''.join(random.choice('0123456789abcdef') for i in range(126))
ch = codecs.decode(chh, 'hex')
actual = subprocess.check_output(['ykchalresp', '-2', '-x', chh]).strip().decode()
expected = hmac.new(ss, ch, hashlib.sha1).hexdigest()
if actual == expected:
sys.exit(0)
else:
sys.exit(1)
|
