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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
|
import pytest
import cffi
from enum import Enum
ffi = cffi.FFI()
gs = ffi.string
RFC_SECRET = '12345678901234567890'
class DefaultPasswords(Enum):
ADMIN = '12345678'
USER = '123456'
ADMIN_TEMP = '123123123'
USER_TEMP = '234234234'
class DeviceErrorCode(Enum):
STATUS_OK = 0
NOT_PROGRAMMED = 3
WRONG_PASSWORD = 4
STATUS_NOT_AUTHORIZED = 5
@pytest.fixture(scope="module")
def C(request):
fp = '../NK_C_API.h'
declarations = []
with open(fp, 'r') as f:
declarations = f.readlines()
for declaration in declarations:
# extern int NK_write_totp_slot(int slot_number, char* secret, int time_window);
if 'extern' in declaration and not '"C"' in declaration:
declaration = declaration.replace('extern', '').strip()
print(declaration)
ffi.cdef(declaration)
C = ffi.dlopen("../build/libnitrokey.so")
C.NK_set_debug(False)
C.NK_login(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP)
assert C.NK_user_authenticate(DefaultPasswords.USER, DefaultPasswords.USER_TEMP) == DeviceErrorCode.STATUS_OK
# C.NK_status()
def fin():
print ('\nFinishing connection to device')
C.NK_logout()
print ('Finished')
request.addfinalizer(fin)
C.NK_set_debug(True)
return C
def test_enable_password_safe(C):
assert C.NK_lock_device() == DeviceErrorCode.STATUS_OK
assert C.NK_enable_password_safe('wrong_password') == DeviceErrorCode.WRONG_PASSWORD
assert C.NK_enable_password_safe(DefaultPasswords.USER) == DeviceErrorCode.STATUS_OK
def test_write_password_safe_slot(C):
assert C.NK_lock_device() == DeviceErrorCode.STATUS_OK
assert C.NK_write_password_safe_slot(0, 'slotname1', 'login1', 'pass1') == DeviceErrorCode.STATUS_NOT_AUTHORIZED
assert C.NK_enable_password_safe(DefaultPasswords.USER) == DeviceErrorCode.STATUS_OK
assert C.NK_write_password_safe_slot(0, 'slotname1', 'login1', 'pass1') == DeviceErrorCode.STATUS_OK
def test_get_password_safe_slot_name(C):
assert C.NK_enable_password_safe(DefaultPasswords.USER) == DeviceErrorCode.STATUS_OK
assert C.NK_write_password_safe_slot(0, 'slotname1', 'login1', 'pass1') == DeviceErrorCode.STATUS_OK
assert C.NK_lock_device() == DeviceErrorCode.STATUS_OK
assert gs(C.NK_get_password_safe_slot_name(0)) == ''
assert C.NK_get_last_command_status() == DeviceErrorCode.STATUS_NOT_AUTHORIZED
assert C.NK_enable_password_safe(DefaultPasswords.USER) == DeviceErrorCode.STATUS_OK
assert gs(C.NK_get_password_safe_slot_name(0)) == 'slotname1'
assert C.NK_get_last_command_status() == DeviceErrorCode.STATUS_OK
def test_get_password_safe_slot_login_password(C):
assert C.NK_enable_password_safe(DefaultPasswords.USER) == DeviceErrorCode.STATUS_OK
assert C.NK_write_password_safe_slot(0, 'slotname1', 'login1', 'pass1') == DeviceErrorCode.STATUS_OK
slot_login = C.NK_get_password_safe_slot_login(0)
assert C.NK_get_last_command_status() == DeviceErrorCode.STATUS_OK
assert gs(slot_login) == 'login1'
slot_password = gs(C.NK_get_password_safe_slot_password(0))
assert C.NK_get_last_command_status() == DeviceErrorCode.STATUS_OK
assert slot_password == 'pass1'
def test_erase_password_safe_slot(C):
assert C.NK_enable_password_safe(DefaultPasswords.USER) == DeviceErrorCode.STATUS_OK
assert C.NK_erase_password_safe_slot(0) == DeviceErrorCode.STATUS_OK
assert gs(C.NK_get_password_safe_slot_name(0)) == ''
assert C.NK_get_last_command_status() == DeviceErrorCode.STATUS_OK # TODO CHECK shouldn't this be DeviceErrorCode.NOT_PROGRAMMED ?
def test_password_safe_slot_status(C):
C.NK_set_debug(True)
assert C.NK_enable_password_safe(DefaultPasswords.USER) == DeviceErrorCode.STATUS_OK
assert C.NK_erase_password_safe_slot(0) == DeviceErrorCode.STATUS_OK
safe_slot_status = C.NK_get_password_safe_slot_status()
assert C.NK_get_last_command_status() == DeviceErrorCode.STATUS_OK
is_slot_programmed = list(ffi.cast("uint8_t [16]", safe_slot_status)[0:16])
print ((is_slot_programmed, len(is_slot_programmed)))
assert is_slot_programmed[
0] == 0 # FIXME not programmed, assuming erased in preceeding test, add writing and erasing
assert is_slot_programmed[1] == 1 # FIXME assuming slot 1 is programmed, not writing there in this tests, same as ^
# C.NK_set_debug(False)
def test_admin_PIN_change(C):
new_password = '123123123'
assert C.NK_change_admin_PIN('wrong_password', new_password) == DeviceErrorCode.WRONG_PASSWORD
assert C.NK_change_admin_PIN(DefaultPasswords.ADMIN, new_password) == DeviceErrorCode.STATUS_OK
assert C.NK_change_admin_PIN(new_password, DefaultPasswords.ADMIN) == DeviceErrorCode.STATUS_OK
def test_user_PIN_change(C):
new_password = '123123123'
assert C.NK_change_user_PIN('wrong_password', new_password) == DeviceErrorCode.WRONG_PASSWORD
assert C.NK_change_user_PIN(DefaultPasswords.USER, new_password) == DeviceErrorCode.STATUS_OK
assert C.NK_change_user_PIN(new_password, DefaultPasswords.USER) == DeviceErrorCode.STATUS_OK
def test_admin_retry_counts(C):
default_admin_retry_count = 3
assert C.NK_get_admin_retry_count() == default_admin_retry_count
assert C.NK_change_admin_PIN('wrong_password', DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.WRONG_PASSWORD
assert C.NK_get_admin_retry_count() == default_admin_retry_count - 1
assert C.NK_change_admin_PIN(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN) == DeviceErrorCode.STATUS_OK
assert C.NK_get_admin_retry_count() == default_admin_retry_count
def test_user_retry_counts(C):
default_user_retry_count = 3
assert C.NK_get_user_retry_count() == default_user_retry_count
assert C.NK_enable_password_safe('wrong_password') == DeviceErrorCode.WRONG_PASSWORD
assert C.NK_get_user_retry_count() == default_user_retry_count - 1
assert C.NK_enable_password_safe(DefaultPasswords.USER) == DeviceErrorCode.STATUS_OK
assert C.NK_get_user_retry_count() == default_user_retry_count
def test_admin_auth(C):
assert C.NK_first_authenticate('wrong_password', DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.WRONG_PASSWORD
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
def test_user_auth(C):
assert C.NK_user_authenticate('wrong_password', DefaultPasswords.USER_TEMP) == DeviceErrorCode.WRONG_PASSWORD
assert C.NK_user_authenticate(DefaultPasswords.USER, DefaultPasswords.USER_TEMP) == DeviceErrorCode.STATUS_OK
def check_RFC_codes(C, func, prep=None):
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_hotp_slot(1, 'python_test', RFC_SECRET, 0, False, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
test_data = [
755224, 287082, 359152, 969429, 338314, 254676, 287922, 162583, 399871, 520489,
]
for code in test_data:
if prep:
prep()
r = func(1)
assert code == r
def test_HOTP_RFC_pin_protection(C):
C.NK_set_debug(True)
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_config(True, True, True, True, False, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_hotp_slot(1, 'python_test', RFC_SECRET, 0, False, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
# check_RFC_codes(C, lambda x: C.NK_get_hotp_code_PIN(x, DefaultPasswords.USER_TEMP), lambda: C.NK_user_authenticate(DefaultPasswords.USER, DefaultPasswords.USER_TEMP))
assert C.NK_user_authenticate(DefaultPasswords.USER, DefaultPasswords.USER_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_get_hotp_code_PIN(1, DefaultPasswords.USER_TEMP) == 755224
assert C.NK_get_last_command_status() == DeviceErrorCode.STATUS_OK
def test_HOTP_RFC_no_pin_protection_8digits(C):
assert False # TODO to write
def test_HOTP_RFC_no_pin_protection(C):
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_hotp_slot(1, 'python_test', RFC_SECRET, 0, False, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_config(True, True, True, False, True, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
# https://tools.ietf.org/html/rfc4226#page-32
check_RFC_codes(C, C.NK_get_hotp_code)
def test_TOTP_RFC_no_pin_protection(C):
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_config(True, True, True, False, True, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
# test according to https://tools.ietf.org/html/rfc6238#appendix-B
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_totp_slot(1, 'python_test', RFC_SECRET, 30, True, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
test_data = [
(59, 1, 94287082),
(1111111109, 0x00000000023523EC, 7081804),
(1111111111, 0x00000000023523ED, 14050471),
(1234567890, 0x000000000273EF07, 89005924),
]
for t, T, code in test_data:
C.NK_totp_set_time(t)
r = C.NK_get_totp_code(1, T, 0, 30) # FIXME T is not changing the outcome
assert code == r
def test_get_slot_names(C):
C.NK_set_debug(True)
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_erase_totp_slot(0, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
# erasing slot invalidates temporary password, so requesting authentication
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_erase_hotp_slot(0, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
for i in range(16):
name = ffi.string(C.NK_get_totp_slot_name(i))
if name == '':
assert C.NK_get_last_command_status() == DeviceErrorCode.NOT_PROGRAMMED
for i in range(3):
name = ffi.string(C.NK_get_hotp_slot_name(i))
if name == '':
assert C.NK_get_last_command_status() == DeviceErrorCode.NOT_PROGRAMMED
def test_get_OTP_codes(C):
C.NK_set_debug(True)
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_erase_hotp_slot(0, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_erase_totp_slot(0, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
for i in range(16):
code = C.NK_get_totp_code(i, 0, 0, 0)
if code == 0:
assert C.NK_get_last_command_status() == DeviceErrorCode.NOT_PROGRAMMED
for i in range(3):
code = C.NK_get_hotp_code(i)
if code == 0:
assert C.NK_get_last_command_status() == DeviceErrorCode.NOT_PROGRAMMED
def test_get_code_user_authorize(C):
C.NK_set_debug(True)
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_totp_slot(0, 'python_otp_auth', RFC_SECRET, 30, True,
DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
# enable PIN protection of OTP codes with write_config
# TODO create convinience function on C API side to enable/disable OTP USER_PIN protection
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_config(True, True, True, True, False, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
code = C.NK_get_totp_code(0, 0, 0, 0)
assert code == 0
assert C.NK_get_last_command_status() == DeviceErrorCode.STATUS_NOT_AUTHORIZED
# disable PIN protection with write_config
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_config(True, True, True, False, True, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
code = C.NK_get_totp_code(0, 0, 0, 0)
assert code != 0
assert C.NK_get_last_command_status() == DeviceErrorCode.STATUS_OK
def cast_pointer_to_tuple(obj, typen, len):
# usage:
# config = cast_pointer_to_tuple(config_raw_data, 'uint8_t', 5)
return tuple(ffi.cast("%s [%d]" % (typen, len), obj)[0:len])
def test_read_write_config(C):
C.NK_set_debug(True)
# let's set sample config with pin protection and disabled capslock
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_config(True, False, True, True, False, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
config_raw_data = C.NK_read_config()
assert C.NK_get_last_command_status() == DeviceErrorCode.STATUS_OK
config = cast_pointer_to_tuple(config_raw_data, 'uint8_t', 5)
assert config == (True, False, True, True, False)
# restore defaults and check
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_config(True, True, True, False, True, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
config_raw_data = C.NK_read_config()
assert C.NK_get_last_command_status() == DeviceErrorCode.STATUS_OK
config = cast_pointer_to_tuple(config_raw_data, 'uint8_t', 5)
assert config == (True, True, True, False, True)
|
