def test_99_delete_token(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.delete_token() db_token = Token.query.filter_by(serial=self.serial1).first() self.assertTrue(db_token is None, db_token)
def test_16_init_detail(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.add_init_details("otpkey", "11223344556677889900") detail = token.get_init_detail() self.assertTrue("otpkey" in detail, detail) # but the otpkey must not be written to token.token.info (DB) # As this only writes the OTPkey to the internal init_details dict self.assertTrue("otpkey" not in token.token.get_info(), token.token.get_info()) # Now get the Google Authenticator URL, which we only # get, if a user is specified. detail = token.get_init_detail(user=User("cornelius", self.realm1)) self.assertTrue("otpkey" in detail, detail) otpkey = detail.get("otpkey") self.assertTrue("img" in otpkey, otpkey) self.assertTrue("googleurl" in detail, detail) # some other stuff. r = token.get_QRimage_data( {"googleurl": detail.get("googleurl").get("value")}) self.assertTrue( 'otpauth://hotp/SE123456?secret=CERDGRCVMZ3YRGIA' '&counter=1' in r[0], r[0]) self.assertRaises(Exception, token.set_init_details, "unvalid value") token.set_init_details({"detail1": "value1"}) self.assertTrue("detail1" in token.get_init_details(), token.get_init_details())
def test_03_reset_failcounter(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.token.failcount = 10 token.reset() self.assertTrue(token.token.failcount == 0, token.token.failcount)
def test_17_update_token(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) # Failed update: genkey wrong self.assertRaises(Exception, token.update, { "description": "new desc", "genkey": "17" }) # genkey and otpkey used at the same time token.update({"otpkey": self.otpkey, "genkey": "1"}) self.assertTrue(token.token.otplen == 6) token.update({"otpkey": self.otpkey, "pin": "654321", "otplen": 6}) self.assertTrue(token.check_pin("654321")) self.assertTrue(token.token.otplen == 6) # update hashlib token.update({"otpkey": self.otpkey, "hashlib": "sha1"}) self.assertTrue( token.get_tokeninfo("hashlib") == "sha1", token.get_tokeninfo()) # save pin encrypted token.update({"genkey": 1, "pin": "secret", "encryptpin": "true"}) # check if the PIN is encrypted self.assertTrue(token.token.pin_hash.startswith("@@"), token.token.pin_hash) # update token without otpkey raises an error self.assertRaises(Exception, token.update, {"description": "test"})
def test_26_is_previous_otp(self): # check if the OTP was used prebiously serial = "previous" db_token = Token(serial, tokentype="hotp") db_token.save() token = HotpTokenClass(db_token) token.set_otpkey(self.otpkey) token.set_otplen(6) token.save() """ Truncated Count Hexadecimal Decimal HOTP 0 4c93cf18 1284755224 755224 1 41397eea 1094287082 287082 2 82fef30 137359152 359152 3 66ef7655 1726969429 969429 4 61c5938a 1640338314 338314 5 33c083d4 868254676 254676 6 7256c032 1918287922 287922 7 4e5b397 82162583 162583 8 2823443f 673399871 399871 9 2679dc69 645520489 520489 10 403154 """ r = token.check_otp("969429") self.assertEqual(r, 3) r = token.is_previous_otp("755224") self.assertEqual(r, True) r = token.is_previous_otp("254676") self.assertEqual(r, False) r = token.check_otp("254676") self.assertEqual(r, 5)
def test_07_enable(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.enable(False) self.assertTrue(token.token.active is False) token.enable() self.assertTrue(token.token.active)
def test_21_get_class_info(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) ti = token.get_class_info() self.assertTrue(ti.get("type") == "hotp", ti) self.assertTrue("policy" in ti, ti) self.assertTrue("title" in ti, ti) self.assertTrue("user" in ti, ti)
def test_24_challenges(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.update({"otpkey": self.otpkey, "otplen": 6}) token.set_pin("test") token.token.count = 0 token.set_sync_window(10) token.set_count_window(5) self.assertTrue(token.is_challenge_request("test"))
def test_05_get_set_realms(self): set_realm(self.realm2) db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) realms = token.get_realms() self.assertTrue(len(realms) == 1, realms) token.set_realms([self.realm1, self.realm2]) realms = token.get_realms() self.assertTrue(len(realms) == 2, realms)
def test_13_check_otp(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.update({"otpkey": self.otpkey, "pin": "test", "otplen": 6}) # OTP does not exist self.assertTrue(token.check_otp_exist("222333") == -1) # OTP does exist res = token.check_otp_exist("969429") self.assertTrue(res == 3, res)
def test_06_set_pin(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.set_pin("hallo") (ph1, pseed) = token.get_pin_hash_seed() # check the database token.set_pin("blubber") ph2 = token.token.pin_hash self.assertTrue(ph1 != ph2) token.set_pin_hash_seed(ph1, pseed)
def test_01_create_token(self): db_token = Token(self.serial1, tokentype="hotp") db_token.save() token = HotpTokenClass(db_token) self.assertTrue(token.token.serial == self.serial1, token) self.assertTrue(token.token.tokentype == "hotp", token.token) self.assertTrue(token.type == "hotp", token) class_prefix = token.get_class_prefix() self.assertTrue(class_prefix == "OATH", class_prefix) self.assertTrue(token.get_class_type() == "hotp", token)
def test_30_2step_otpkeyformat(self): serial = "2step3" db_token = Token(serial, tokentype="hotp") db_token.save() token = HotpTokenClass(db_token) token.update({ "2stepinit": "1", "2step_clientsize": "12", "hashlib": "sha512", }) self.assertEqual(token.token.rollout_state, "clientwait") self.assertEqual(token.get_tokeninfo("2step_clientsize"), "12") # fetch the server component for later tests server_component = binascii.unhexlify( token.token.get_otpkey().getKey()) # generate a 12-byte client component client_component = b'abcdefghijkl' checksum = hashlib.sha1(client_component).digest()[:4] # wrong checksum with warnings.catch_warnings(): warnings.simplefilter('ignore', category=DeprecationWarning) self.assertRaisesRegexp( ParameterError, "Incorrect checksum", token.update, { "otpkey": b32encode_and_unicode(b"\x37" + checksum[1:] + client_component).strip("="), "otpkeyformat": "base32check", }) # construct a secret token.update({ "otpkey": b32encode_and_unicode(checksum + client_component).strip("="), "otpkeyformat": "base32check", # the following values are ignored "2step_serversize": "23", "2step_difficulty": "666666", "2step_clientsize": "13" }) # check the generated secret secret = binascii.unhexlify(token.token.get_otpkey().getKey()) # check the correct lengths self.assertEqual(len(server_component), 64) # because of SHA-512 self.assertEqual(len(client_component), 12) self.assertEqual(len(secret), 64) # because of SHA-512 # check the secret has been generated according to the specification expected_secret = pbkdf2_hmac('sha1', binascii.hexlify(server_component), client_component, 10000, len(secret)) self.assertEqual(secret, expected_secret) self.assertTrue(token.token.active)
def test_25_sha256_token(self): # taken from https://tools.ietf.org/html/rfc6238#appendix-B serial = "sha25T" db_token = Token(serial, tokentype="hotp") db_token.save() token = HotpTokenClass(db_token) token.set_otpkey(binascii.hexlify("12345678901234567890")) token.set_hashlib("sha256") token.set_otplen(8) token.save() # get it from the database again # 59 | 1970-01-01 | 0000000000000001 | 46119246 | SHA256 | db_token = Token.query.filter_by(serial=serial).first() token = HotpTokenClass(db_token) r = token.check_otp("46119246") self.assertTrue(r) # 00000000023523ED | 67062674 | SHA256 | token.set_otp_count(0x00000000023523ED - 1) token.save() token.check_otp("67062674")
def test_15_check_pin(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) # test the encrypted pin token.set_pin("encrypted", encrypt=True) self.assertTrue(token.check_pin("encrypted")) self.assertFalse(token.check_pin("wrong pin")) # test the hashed pin token.set_pin("test") self.assertTrue(token.check_pin("test")) self.assertFalse(token.check_pin("wrong pin"))
def test_12_inc_otp_counter(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.set_otp_count(10) self.assertTrue(token.token.count == 10, token.token.count) # increase counter by 1 token.inc_otp_counter() self.assertTrue(token.token.count == 11, token.token.count) # increase counter to 21 Config(Key="DefaultResetFailCount", Value=True).save() token.inc_otp_counter(counter=20) self.assertTrue(token.token.count == 21, token.token.count)
def test_22_autosync(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) set_privacyidea_config("AutoResync", True) token.update({"otpkey": self.otpkey, "otplen": 6}) token.token.count = 0 token.set_sync_window(10) token.set_count_window(5) # counter = 8, is out of sync r = token.check_otp(anOtpVal="399871") self.assertTrue(r == -1, r) # counter = 9, will be autosynced. r = token.check_otp(anOtpVal="520489") self.assertTrue(r == 9, r) # counter = 10, has also to authenticate! The counter of the token is # set. r = token.check_otp(anOtpVal="403154") self.assertTrue(r == 10, r) self.assertEqual(token.token.count, 11) # Autosync with a gap in the next otp value will fail token.token.count = 0 # Just try some bullshit config value set_privacyidea_config("AutoResyncTimeout", "totally not a number") # counter = 7, is out of sync r = token.check_otp(anOtpVal="162583") self.assertTrue(r == -1, r) # counter = 9, will NOT _autosync r = token.check_otp(anOtpVal="520489") self.assertTrue(r == -1, r) # Autosync fails, if dueDate is over token.token.count = 0 set_privacyidea_config("AutoResyncTimeout", 0) # counter = 8, is out of sync r = token.check_otp(anOtpVal="399871") self.assertTrue(r == -1, r) # counter = 9, is the next value, but duedate is over. r = token.check_otp(anOtpVal="520489") self.assertTrue(r == -1, r) # No _autosync set_privacyidea_config("AutoResync", False) token.token.count = 0 # counter = 8, is out of sync r = token.check_otp(anOtpVal="399871") self.assertTrue(r == -1, r) # counter = 9, will not be autosynced r = token.check_otp(anOtpVal="520489") self.assertTrue(r == -1, r)
def test_02_set_user(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) self.assertTrue(token.token.tokentype == "hotp", token.token.tokentype) self.assertTrue(token.type == "hotp", token.type) token.add_user(User(login="******", realm=self.realm1)) self.assertEqual(token.token.first_owner.resolver, self.resolvername1) self.assertEqual(token.token.first_owner.user_id, "1000") user_object = token.user self.assertTrue(user_object.login == "cornelius", user_object) self.assertTrue(user_object.resolver == self.resolvername1, user_object)
def test_14_split_pin_pass(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.token.otplen = 6 # postpend pin set_prepend_pin(False) _res, pin, value = token.split_pin_pass("222333test") self.assertTrue(pin == "test", pin) self.assertTrue(value == "222333", value) # prepend pin set_prepend_pin(True) _res, pin, value = token.split_pin_pass("test222333") self.assertTrue(pin == "test", pin) self.assertTrue(value == "222333", value)
def test_18_challenges(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) resp = token.is_challenge_response(User(login="******", realm=self.realm1), "test123456") self.assertFalse(resp, resp) resp = token.is_challenge_response(User(login="******", realm=self.realm1), "test123456", options={"transaction_id": "123456789"}) self.assertTrue(resp, resp) # test if challenge is valid C = Challenge("S123455", transaction_id="tid", challenge="Who are you?") C.save()
def test_20_check_challenge_response(self): db_token = Token.query.filter_by(serial=self.serial1).first() db_token.set_pin("test") token = HotpTokenClass(db_token) r = token.check_challenge_response(user=None, passw="123454") # check empty challenges self.assertTrue(r == -1, r) # create a challenge and match the transaction_id c = Challenge(self.serial1, transaction_id="mytransaction", challenge="Blah, what now?") # save challenge to the database c.save() r = token.check_challenge_response(user=None, passw="123454", options={"state": "mytransaction"}) # The challenge matches, but the OTP does not match! self.assertTrue(r == -1, r)
def test_29_2step_generation_custom(self): serial = "2step2" db_token = Token(serial, tokentype="hotp") db_token.save() token = HotpTokenClass(db_token) token.update({ "2stepinit": "1", "2step_serversize": "40", "2step_difficulty": "12345", "2step_clientsize": "12", "hashlib": "sha512", }) self.assertEqual(token.token.rollout_state, "clientwait") self.assertEqual(token.get_tokeninfo("2step_clientsize"), "12") self.assertEqual(token.get_tokeninfo("2step_difficulty"), "12345") # fetch the server component for later tests server_component = binascii.unhexlify( token.token.get_otpkey().getKey()) # too short self.assertRaises(ParameterError, token.update, {"otpkey": binascii.hexlify(b"=" * 8)}) # generate a 12-byte client component client_component = b'abcdefghijkl' # construct a secret token.update({ "otpkey": binascii.hexlify(client_component), # the following values are ignored "2step_serversize": "23", "2step_difficulty": "666666", "2step_clientsize": "13" }) # check the generated secret secret = binascii.unhexlify(token.token.get_otpkey().getKey()) # check the correct lengths self.assertEqual(len(server_component), 40) self.assertEqual(len(client_component), 12) self.assertEqual(len(secret), 64) # because of SHA-512 # check the secret has been generated according to the specification expected_secret = pbkdf2_hmac('sha1', binascii.hexlify(server_component), client_component, 12345, len(secret)) self.assertEqual(secret, expected_secret) self.assertTrue(token.token.active)
def test_02_set_user(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) self.assertTrue(token.token.tokentype == "hotp", token.token.tokentype) self.assertTrue(token.type == "hotp", token.type) token.set_user(User(login="******", realm=self.realm1)) self.assertTrue(token.token.resolver_type == "passwdresolver", token.token.resolver_type) self.assertTrue(token.token.resolver == self.resolvername1, token.token.resolver) self.assertTrue(token.token.user_id == "1000", token.token.user_id) user_object = token.user self.assertTrue(user_object.login == "cornelius", user_object) self.assertTrue(user_object.resolver == self.resolvername1, user_object) token.set_user_identifiers(2000, self.resolvername1, "passwdresolver") self.assertTrue(int(token.token.user_id) == 2000, token.token.user_id)
def test_23_resync(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.update({"otpkey": self.otpkey, "otplen": 6}) token.token.count = 0 token.set_sync_window(10) token.set_count_window(5) # counter = 8: 399871 # counter = 9: 520489 # Successful resync r = token.resync("399871", "520489") self.assertTrue(r is True, r) # resync fails token.token.count = 0 self.assertFalse(token.resync("399871", "123456")) # resync fails, the two correct OTP values are outside of the sync # window token.token.count = 0 token.set_sync_window(5) self.assertFalse(token.resync("399871", "520489"))
def test_28_2step_generation_default(self): serial = "2step" db_token = Token(serial, tokentype="hotp") db_token.save() token = HotpTokenClass(db_token) token.update({"2stepinit": "1"}) # fetch the server component for later tests server_component = binascii.unhexlify(token.token.get_otpkey().getKey()) # generate a 8-byte client component client_component = b'abcdefgh' # construct a secret token.update({"otpkey": binascii.hexlify(client_component)}) # check the generated secret secret = binascii.unhexlify(token.token.get_otpkey().getKey()) # check the correct lengths self.assertEqual(len(server_component), 20) self.assertEqual(len(client_component), 8) self.assertEqual(len(secret), 20) # check the secret has been generated according to the specification expected_secret = pbkdf2(binascii.hexlify(server_component), client_component, 10000, 20) self.assertEqual(secret, expected_secret)
def test_04_base_methods(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) self.assertTrue(token.check_otp("123456", 1, 10) == -1) c = token.create_challenge("transactionid") self.assertTrue(c[0], c) self.assertTrue("transactionid" in c[2], c) # set the description token.set_description("something new") self.assertTrue(token.token.description == "something new", token.token) # set defaults token.set_defaults() self.assertTrue(token.token.otplen == 6) self.assertTrue(token.token.sync_window == 1000) token.resync("1234", "3456") token.token.count_window = 17 self.assertTrue(token.get_otp_count_window() == 17) token.token.count = 18 self.assertTrue(token.get_otp_count() == 18) token.token.active = False self.assertTrue(token.is_active() is False) token.token.failcount = 7 self.assertTrue(token.get_failcount() == 7) token.set_failcount(8) self.assertTrue(token.token.failcount == 8) token.token.maxfail = 12 self.assertTrue(token.get_max_failcount() == 12) self.assertTrue(token.get_user_id() == token.token.user_id) self.assertTrue(token.get_serial() == "SE123456", token.token.serial) self.assertTrue(token.get_tokentype() == "hotp", token.token.tokentype) token.set_so_pin("sopin") token.set_user_pin("userpin") token.set_otpkey(self.otpkey) token.set_otplen(8) token.set_otp_count(1000) self.assertTrue(len(token.token.so_pin) == 32, token.token.so_pin) self.assertTrue(len(token.token.user_pin) == 32, token.token.user_pin) self.assertTrue(len(token.token.key_enc) == 192, token.token.key_enc) self.assertTrue(token.get_otplen() == 8) self.assertTrue(token.token.count == 1000, token.token.count) token.set_maxfail(1000) self.assertTrue(token.token.maxfail == 1000) token.set_count_window(52) self.assertTrue(token.get_count_window() == 52) token.set_sync_window(53) self.assertTrue(token.get_sync_window() == 53)
def test_08_info(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.set_hashlib("sha1") ti = token.get_tokeninfo() self.assertTrue("hashlib" in ti, ti)
def test_09_failcount(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) start = token.token.failcount end = token.inc_failcount() self.assertTrue(end == start + 1, (end, start))
def test_11_tokeninfo(self): db_token = Token.query.filter_by(serial=self.serial1).first() token = HotpTokenClass(db_token) token.add_tokeninfo("key1", "value2") info1 = token.get_tokeninfo() self.assertTrue("key1" in info1, info1) token.add_tokeninfo("key2", "value3") info2 = token.get_tokeninfo() self.assertTrue("key2" in info2, info2) token.set_tokeninfo(info1) info2 = token.get_tokeninfo() self.assertTrue("key2" not in info2, info2) self.assertTrue(token.get_tokeninfo("key1") == "value2", info2) # auth counter token.set_count_auth_success_max(200) token.set_count_auth_max(1000) token.set_count_auth_success(100) token.inc_count_auth_success() token.set_count_auth(200) token.inc_count_auth() self.assertTrue(token.get_count_auth_success_max() == 200) self.assertTrue(token.get_count_auth_success() == 101) self.assertTrue(token.get_count_auth_max() == 1000) self.assertTrue(token.get_count_auth() == 201) self.assertTrue(token.check_auth_counter()) token.set_count_auth_max(10) self.assertFalse(token.check_auth_counter()) token.set_count_auth_max(1000) token.set_count_auth_success_max(10) self.assertFalse(token.check_auth_counter()) # handle validity end date token.set_validity_period_end("2014-12-30T16:00+0200") end = token.get_validity_period_end() self.assertTrue(end == "2014-12-30T16:00+0200", end) self.assertRaises(Exception, token.set_validity_period_end, "wrong date") # handle validity start date token.set_validity_period_start("2013-12-30T16:00+0200") start = token.get_validity_period_start() self.assertTrue(start == "2013-12-30T16:00+0200", start) self.assertRaises(Exception, token.set_validity_period_start, "wrong date") self.assertFalse(token.check_validity_period()) # check validity period # +5 days end_date = datetime.datetime.now(tzlocal()) + datetime.timedelta(5) end = end_date.strftime(DATE_FORMAT) token.set_validity_period_end(end) # - 5 days start_date = datetime.datetime.now(tzlocal()) - datetime.timedelta(5) start = start_date.strftime(DATE_FORMAT) token.set_validity_period_start(start) self.assertTrue(token.check_validity_period()) # check before start date # +5 days end_date = datetime.datetime.now(tzlocal()) + datetime.timedelta(5) end = end_date.strftime(DATE_FORMAT) token.set_validity_period_end(end) # + 2 days start_date = datetime.datetime.now(tzlocal()) + datetime.timedelta(2) start = start_date.strftime(DATE_FORMAT) token.set_validity_period_start(start) self.assertFalse(token.check_validity_period()) # check after enddate # -1 day end_date = datetime.datetime.now(tzlocal()) - datetime.timedelta(1) end = end_date.strftime(DATE_FORMAT) token.set_validity_period_end(end) # - 10 days start_date = datetime.datetime.now(tzlocal()) - datetime.timedelta(10) start = start_date.strftime(DATE_FORMAT) token.set_validity_period_start(start) self.assertFalse(token.check_validity_period())
def test_19_pin_otp_functions(self): db_token = Token.query.filter_by(serial=self.serial1).first() db_token.set_pin("test") token = HotpTokenClass(db_token) # check OTP according to RFC 4226 """ Truncated Count Hexadecimal Decimal HOTP 0 4c93cf18 1284755224 755224 1 41397eea 1094287082 287082 2 82fef30 137359152 359152 3 66ef7655 1726969429 969429 4 61c5938a 1640338314 338314 5 33c083d4 868254676 254676 6 7256c032 1918287922 287922 7 4e5b397 82162583 162583 8 2823443f 673399871 399871 9 2679dc69 645520489 520489 """ token.update({"otpkey": self.otpkey}) self.assertTrue(db_token.otplen == 6, 6) set_prepend_pin() res, pin, otp = token.split_pin_pass("test123456") self.assertTrue(pin == "test", pin) self.assertTrue(otp == "123456", otp) self.assertTrue(token.check_pin(pin), pin) check = token.check_otp("755224", counter=0, window=10) self.assertTrue(check == 0, check) self.assertTrue(token.check_otp("287082", counter=1, window=10) == 1) # The 6th counter: self.assertTrue(token.check_otp("287922", counter=2, window=10) == 6) # The tokenclass itself saves the counter to the database self.assertTrue(token.token.count == 7, token.token.count) # successful authentication res = token.authenticate("test399871") # This is the OTP value of the counter=8 self.assertTrue(res == (True, 8, None), res) # try the same otp value again, will fail! res = token.authenticate("test399871") # This is the OTP value of the counter=8 self.assertTrue(res == (True, -1, None), res) token.set_otp_count(0) # get the OTP value for counter 0 res = token.get_otp() self.assertTrue(res[0] == 1, res) self.assertTrue(res[1] == -1, res) self.assertTrue(res[2] == "755224", res) res = token.get_multi_otp() self.assertTrue(res[0] is False, res) token.update({"otpkey": self.otpkey, "otplen": 6}) token.token.count = 0 res = token.get_multi_otp(count=5) self.assertTrue(res[0], res) self.assertTrue(res[1] == "OK", res) self.assertTrue(res[2].get("otp").get(1) == "287082", res) self.assertTrue(res[2].get("type") == "hotp", res) # do some failing otp checks token.token.otplen = "invalid otp counter" self.assertRaises(Exception, token.check_otp, "123456") token.token.otplen = 0