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"""
Copyright (c) 2015-2018 Nitrokey UG
This file is part of libnitrokey.
libnitrokey is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
any later version.
libnitrokey 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 Lesser General Public License
along with libnitrokey. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: LGPL-3.0
"""
import pytest
from misc import ffi, gs, to_hex, is_pro_rtm_07, is_long_OTP_secret_handled
from constants import DefaultPasswords, DeviceErrorCode, RFC_SECRET, LibraryErrors, bbRFC_SECRET
def test_too_long_strings(C):
new_password = b'123123123'
long_string = b'a' * 100
assert C.NK_change_user_PIN(long_string, new_password) == LibraryErrors.TOO_LONG_STRING
assert C.NK_change_user_PIN(new_password, long_string) == LibraryErrors.TOO_LONG_STRING
assert C.NK_change_admin_PIN(long_string, new_password) == LibraryErrors.TOO_LONG_STRING
assert C.NK_change_admin_PIN(new_password, long_string) == LibraryErrors.TOO_LONG_STRING
assert C.NK_first_authenticate(long_string, DefaultPasswords.ADMIN_TEMP) == LibraryErrors.TOO_LONG_STRING
assert C.NK_erase_totp_slot(0, long_string) == LibraryErrors.TOO_LONG_STRING
digits = False
assert C.NK_write_hotp_slot(1, long_string, bbRFC_SECRET, 0, digits, False, False, b"",
DefaultPasswords.ADMIN_TEMP) == LibraryErrors.TOO_LONG_STRING
assert C.NK_write_hotp_slot(1, b'long_test', bbRFC_SECRET, 0, digits, False, False, b"",
long_string) == LibraryErrors.TOO_LONG_STRING
assert gs(C.NK_get_hotp_code_PIN(0, long_string)) == b""
assert C.NK_get_last_command_status() == LibraryErrors.TOO_LONG_STRING
assert C.NK_change_firmware_password_pro(long_string, long_string) == LibraryErrors.TOO_LONG_STRING
assert C.NK_change_firmware_password_pro(DefaultPasswords.UPDATE, long_string) == LibraryErrors.TOO_LONG_STRING
def test_invalid_slot(C):
invalid_slot = 255
assert C.NK_erase_totp_slot(invalid_slot, b'some password') == LibraryErrors.INVALID_SLOT
assert C.NK_write_hotp_slot(invalid_slot, b'long_test', bbRFC_SECRET, 0, False, False, False, b"",
b'aaa') == LibraryErrors.INVALID_SLOT
assert gs(C.NK_get_hotp_code_PIN(invalid_slot, b'some password')) == b""
assert C.NK_get_last_command_status() == LibraryErrors.INVALID_SLOT
assert C.NK_erase_password_safe_slot(invalid_slot) == LibraryErrors.INVALID_SLOT
assert C.NK_enable_password_safe(DefaultPasswords.USER) == DeviceErrorCode.STATUS_OK
assert gs(C.NK_get_password_safe_slot_name(invalid_slot)) == b''
assert C.NK_get_last_command_status() == LibraryErrors.INVALID_SLOT
assert gs(C.NK_get_password_safe_slot_login(invalid_slot)) == b''
assert C.NK_get_last_command_status() == LibraryErrors.INVALID_SLOT
@pytest.mark.parametrize("invalid_hex_string",
['text', '00 ', '0xff', 'zzzzzzzzzzzz', 'fff', 'f' * 257, 'f' * 258])
def test_invalid_secret_hex_string_for_OTP_write(C, invalid_hex_string):
"""
Tests for invalid secret hex string during writing to OTP slot. Invalid strings are not hexadecimal number,
empty or longer than 255 characters.
"""
invalid_hex_string = invalid_hex_string.encode('ascii')
assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
assert C.NK_write_hotp_slot(1, b'slot_name', invalid_hex_string, 0, True, False, False, b'',
DefaultPasswords.ADMIN_TEMP) == LibraryErrors.INVALID_HEX_STRING
assert C.NK_write_totp_slot(1, b'python_test', invalid_hex_string, 30, True, False, False, b"",
DefaultPasswords.ADMIN_TEMP) == LibraryErrors.INVALID_HEX_STRING
def test_warning_binary_bigger_than_secret_buffer(C):
invalid_hex_string = to_hex('1234567890') * 3
invalid_hex_string = invalid_hex_string.encode('ascii')
if is_long_OTP_secret_handled(C):
invalid_hex_string *= 2
assert C.NK_write_hotp_slot(1, b'slot_name', invalid_hex_string, 0, True, False, False, b'',
DefaultPasswords.ADMIN_TEMP) == LibraryErrors.TARGET_BUFFER_SIZE_SMALLER_THAN_SOURCE
@pytest.mark.skip(reason='Experimental')
def test_clear(C):
d = 'asdasdasd'
print(d)
C.clear_password(d)
print(d)
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