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
|
#!/usr/bin/env python
"""
Test challenge-response, assumes a NIST PUB 198 A.2
20 bytes test vector in Slot 2 (variable input)
"""
import sys
import yubico
expected = \
b'\x09\x22\xd3\x40\x5f\xaa\x3d\x19\x4f\x82' + \
b'\xa4\x58\x30\x73\x7d\x5c\xc6\xc7\x5d\x24'
# turn on YubiKey debug if -v is given as an argument
debug = False
if len(sys.argv) > 1:
debug = (sys.argv[1] == '-v')
# Look for and initialize the YubiKey
try:
YK = yubico.find_yubikey(debug=debug)
print("Version : %s " % YK.version())
print("Serial : %i" % YK.serial())
print("")
# Do challenge-response
secret = b'Sample #2'.ljust(64, b'\0')
print("Sending challenge : %s\n" % repr(secret))
response = YK.challenge_response(secret, slot=2)
except yubico.yubico_exception.YubicoError as inst:
print("ERROR: %s" % inst.reason)
sys.exit(1)
print("Response :\n%s\n" % yubico.yubico_util.hexdump(response))
# Workaround for http://bugs.python.org/issue24596
del YK
# Check if the response matched the expected one
if response == expected:
print("OK! Response matches the NIST PUB 198 A.2 expected response.")
sys.exit(0)
else:
print("ERROR! Response does NOT match the NIST PUB 198 A.2 expected response.")
sys.exit(1)
|
