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hostapd/tests/hwsim/test_sae.py
Jouni Malinen a5dbddbf03 tests: Update SAE local error tests to match implementation 
The change to use shared dragonfly_get_random_qr_qnr() and
dragonfly_get_rand_1_to_p_1() helper functions resulted in failures in
sae_no_random and sae_bignum_failure test cases due to renamed functions
and removed uses.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2019-04-25 23:49:49 +03:00

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# Test cases for SAE
# Copyright (c) 2013-2016, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
from remotehost import remote_compatible
import binascii
import os
import time
import logging
logger = logging.getLogger()
import socket
import struct
import subprocess
import hwsim_utils
import hostapd
from wpasupplicant import WpaSupplicant
from utils import HwsimSkip, alloc_fail, fail_test, wait_fail_trigger, start_monitor, stop_monitor, radiotap_build
from test_ap_psk import find_wpas_process, read_process_memory, verify_not_present, get_key_locations
@remote_compatible
def test_sae(dev, apdev):
"""SAE with default group"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
key_mgmt = hapd.get_config()['key_mgmt']
if key_mgmt.split(' ')[0] != "SAE":
raise Exception("Unexpected GET_CONFIG(key_mgmt): " + key_mgmt)
dev[0].request("SET sae_groups ")
id = dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
if dev[0].get_status_field('sae_group') != '19':
raise Exception("Expected default SAE group not used")
bss = dev[0].get_bss(apdev[0]['bssid'])
if 'flags' not in bss:
raise Exception("Could not get BSS flags from BSS table")
if "[WPA2-SAE-CCMP]" not in bss['flags']:
raise Exception("Unexpected BSS flags: " + bss['flags'])
res = hapd.request("STA-FIRST")
if "sae_group=19" not in res.splitlines():
raise Exception("hostapd STA output did not specify SAE group")
@remote_compatible
def test_sae_password_ecc(dev, apdev):
"""SAE with number of different passwords (ECC)"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups 19")
for i in range(10):
password = "12345678-" + str(i)
hapd.set("wpa_passphrase", password)
dev[0].connect("test-sae", psk=password, key_mgmt="SAE",
scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
@remote_compatible
def test_sae_password_ffc(dev, apdev):
"""SAE with number of different passwords (FFC)"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_groups'] = '15'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups 15")
for i in range(10):
password = "12345678-" + str(i)
hapd.set("wpa_passphrase", password)
dev[0].connect("test-sae", psk=password, key_mgmt="SAE",
scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
@remote_compatible
def test_sae_pmksa_caching(dev, apdev):
"""SAE and PMKSA caching"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
if ev is None:
raise Exception("No connection event received from hostapd")
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[0].request("RECONNECT")
dev[0].wait_connected(timeout=15, error="Reconnect timed out")
if dev[0].get_status_field('sae_group') is not None:
raise Exception("SAE group claimed to have been used")
@remote_compatible
def test_sae_pmksa_caching_disabled(dev, apdev):
"""SAE and PMKSA caching disabled"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['disable_pmksa_caching'] = '1'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
if ev is None:
raise Exception("No connection event received from hostapd")
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[0].request("RECONNECT")
dev[0].wait_connected(timeout=15, error="Reconnect timed out")
if dev[0].get_status_field('sae_group') != '19':
raise Exception("Expected default SAE group not used")
def test_sae_groups(dev, apdev):
"""SAE with all supported groups"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
# This is the full list of supported groups, but groups 14-16 (2048-4096 bit
# MODP) and group 21 (521-bit random ECP group) are a bit too slow on some
# VMs and can result in hitting the mac80211 authentication timeout, so
# allow them to fail and just report such failures in the debug log.
sae_groups = [19, 25, 26, 20, 21, 1, 2, 5, 14, 15, 16, 22, 23, 24]
tls = dev[0].request("GET tls_library")
if tls.startswith("OpenSSL") and "run=OpenSSL 1." in tls:
logger.info("Add Brainpool EC groups since OpenSSL is new enough")
sae_groups += [27, 28, 29, 30]
heavy_groups = [14, 15, 16]
suitable_groups = [15, 16, 17, 18, 19, 20, 21, 28, 29, 30]
groups = [str(g) for g in sae_groups]
params = hostapd.wpa2_params(ssid="test-sae-groups",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_groups'] = ' '.join(groups)
hostapd.add_ap(apdev[0], params)
for g in groups:
logger.info("Testing SAE group " + g)
dev[0].request("SET sae_groups " + g)
id = dev[0].connect("test-sae-groups", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
if int(g) in heavy_groups:
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=5)
if ev is None:
logger.info("No connection with heavy SAE group %s did not connect - likely hitting timeout in mac80211" % g)
dev[0].remove_network(id)
time.sleep(0.1)
dev[0].dump_monitor()
continue
logger.info("Connection with heavy SAE group " + g)
else:
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=10)
if ev is None:
if "BoringSSL" in tls and int(g) in [25]:
logger.info("Ignore connection failure with group " + g + " with BoringSSL")
dev[0].remove_network(id)
dev[0].dump_monitor()
continue
if int(g) not in suitable_groups:
logger.info("Ignore connection failure with unsuitable group " + g)
dev[0].remove_network(id)
dev[0].dump_monitor()
continue
raise Exception("Connection timed out with group " + g)
if dev[0].get_status_field('sae_group') != g:
raise Exception("Expected SAE group not used")
dev[0].remove_network(id)
dev[0].wait_disconnected()
dev[0].dump_monitor()
@remote_compatible
def test_sae_group_nego(dev, apdev):
"""SAE group negotiation"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae-group-nego",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_groups'] = '19'
hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups 25 26 20 19")
dev[0].connect("test-sae-group-nego", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
if dev[0].get_status_field('sae_group') != '19':
raise Exception("Expected SAE group not used")
def test_sae_group_nego_no_match(dev, apdev):
"""SAE group negotiation (no match)"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae-group-nego",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
# None-existing SAE group to force all attempts to be rejected
params['sae_groups'] = '0'
hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae-group-nego", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-SSID-TEMP-DISABLED"], timeout=10)
dev[0].request("REMOVE_NETWORK all")
if ev is None:
raise Exception("Network profile disabling not reported")
@remote_compatible
def test_sae_anti_clogging(dev, apdev):
"""SAE anti clogging"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_anti_clogging_threshold'] = '1'
hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[1].request("SET sae_groups ")
id = {}
for i in range(0, 2):
dev[i].scan(freq="2412")
id[i] = dev[i].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", only_add_network=True)
for i in range(0, 2):
dev[i].select_network(id[i])
for i in range(0, 2):
dev[i].wait_connected(timeout=10)
def test_sae_forced_anti_clogging(dev, apdev):
"""SAE anti clogging (forced)"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE WPA-PSK'
params['sae_anti_clogging_threshold'] = '0'
hostapd.add_ap(apdev[0], params)
dev[2].connect("test-sae", psk="12345678", scan_freq="2412")
for i in range(0, 2):
dev[i].request("SET sae_groups ")
dev[i].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
def test_sae_mixed(dev, apdev):
"""Mixed SAE and non-SAE network"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE WPA-PSK'
params['sae_anti_clogging_threshold'] = '0'
hostapd.add_ap(apdev[0], params)
dev[2].connect("test-sae", psk="12345678", scan_freq="2412")
for i in range(0, 2):
dev[i].request("SET sae_groups ")
dev[i].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
def test_sae_and_psk(dev, apdev):
"""SAE and PSK enabled in network profile"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE WPA-PSK",
scan_freq="2412")
def test_sae_and_psk2(dev, apdev):
"""SAE and PSK enabled in network profile (use PSK)"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-psk", passphrase="12345678")
hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-psk", psk="12345678", key_mgmt="SAE WPA-PSK",
scan_freq="2412")
def test_sae_mixed_mfp(dev, apdev):
"""Mixed SAE and non-SAE network and MFP required with SAE"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE WPA-PSK'
params["ieee80211w"] = "1"
params['sae_require_mfp'] = '1'
hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", ieee80211w="2",
scan_freq="2412")
dev[0].dump_monitor()
dev[1].request("SET sae_groups ")
dev[1].connect("test-sae", psk="12345678", key_mgmt="SAE", ieee80211w="0",
scan_freq="2412", wait_connect=False)
ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED",
"CTRL-EVENT-ASSOC-REJECT"], timeout=10)
if ev is None:
raise Exception("No connection result reported")
if "CTRL-EVENT-ASSOC-REJECT" not in ev:
raise Exception("SAE connection without MFP was not rejected")
if "status_code=31" not in ev:
raise Exception("Unexpected status code in rejection: " + ev)
dev[1].request("DISCONNECT")
dev[1].dump_monitor()
dev[2].connect("test-sae", psk="12345678", ieee80211w="0", scan_freq="2412")
dev[2].dump_monitor()
def test_sae_mfp(dev, apdev):
"""SAE and MFP enabled without sae_require_mfp"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params["ieee80211w"] = "1"
hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", ieee80211w="2",
scan_freq="2412")
dev[1].request("SET sae_groups ")
dev[1].connect("test-sae", psk="12345678", key_mgmt="SAE", ieee80211w="0",
scan_freq="2412")
@remote_compatible
def test_sae_missing_password(dev, apdev):
"""SAE and missing password"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
id = dev[0].connect("test-sae",
raw_psk="46b4a73b8a951ad53ebd2e0afdb9c5483257edd4c21d12b7710759da70945858",
key_mgmt="SAE", scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(['CTRL-EVENT-SSID-TEMP-DISABLED'], timeout=10)
if ev is None:
raise Exception("Invalid network not temporarily disabled")
def test_sae_key_lifetime_in_memory(dev, apdev, params):
"""SAE and key lifetime in memory"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
password = "5ad144a7c1f5a5503baa6fa01dabc15b1843e8c01662d78d16b70b5cd23cf8b"
p = hostapd.wpa2_params(ssid="test-sae", passphrase=password)
p['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], p)
pid = find_wpas_process(dev[0])
dev[0].request("SET sae_groups ")
id = dev[0].connect("test-sae", psk=password, key_mgmt="SAE",
scan_freq="2412")
# The decrypted copy of GTK is freed only after the CTRL-EVENT-CONNECTED
# event has been delivered, so verify that wpa_supplicant has returned to
# eloop before reading process memory.
time.sleep(1)
dev[0].ping()
password = password.encode()
buf = read_process_memory(pid, password)
dev[0].request("DISCONNECT")
dev[0].wait_disconnected()
dev[0].relog()
sae_k = None
sae_keyseed = None
sae_kck = None
pmk = None
ptk = None
gtk = None
with open(os.path.join(params['logdir'], 'log0'), 'r') as f:
for l in f.readlines():
if "SAE: k - hexdump" in l:
val = l.strip().split(':')[3].replace(' ', '')
sae_k = binascii.unhexlify(val)
if "SAE: keyseed - hexdump" in l:
val = l.strip().split(':')[3].replace(' ', '')
sae_keyseed = binascii.unhexlify(val)
if "SAE: KCK - hexdump" in l:
val = l.strip().split(':')[3].replace(' ', '')
sae_kck = binascii.unhexlify(val)
if "SAE: PMK - hexdump" in l:
val = l.strip().split(':')[3].replace(' ', '')
pmk = binascii.unhexlify(val)
if "WPA: PTK - hexdump" in l:
val = l.strip().split(':')[3].replace(' ', '')
ptk = binascii.unhexlify(val)
if "WPA: Group Key - hexdump" in l:
val = l.strip().split(':')[3].replace(' ', '')
gtk = binascii.unhexlify(val)
if not sae_k or not sae_keyseed or not sae_kck or not pmk or not ptk or not gtk:
raise Exception("Could not find keys from debug log")
if len(gtk) != 16:
raise Exception("Unexpected GTK length")
kck = ptk[0:16]
kek = ptk[16:32]
tk = ptk[32:48]
fname = os.path.join(params['logdir'],
'sae_key_lifetime_in_memory.memctx-')
logger.info("Checking keys in memory while associated")
get_key_locations(buf, password, "Password")
get_key_locations(buf, pmk, "PMK")
if password not in buf:
raise HwsimSkip("Password not found while associated")
if pmk not in buf:
raise HwsimSkip("PMK not found while associated")
if kck not in buf:
raise Exception("KCK not found while associated")
if kek not in buf:
raise Exception("KEK not found while associated")
#if tk in buf:
# raise Exception("TK found from memory")
verify_not_present(buf, sae_k, fname, "SAE(k)")
verify_not_present(buf, sae_keyseed, fname, "SAE(keyseed)")
verify_not_present(buf, sae_kck, fname, "SAE(KCK)")
logger.info("Checking keys in memory after disassociation")
buf = read_process_memory(pid, password)
# Note: Password is still present in network configuration
# Note: PMK is in PMKSA cache
get_key_locations(buf, password, "Password")
get_key_locations(buf, pmk, "PMK")
verify_not_present(buf, kck, fname, "KCK")
verify_not_present(buf, kek, fname, "KEK")
verify_not_present(buf, tk, fname, "TK")
if gtk in buf:
get_key_locations(buf, gtk, "GTK")
verify_not_present(buf, gtk, fname, "GTK")
verify_not_present(buf, sae_k, fname, "SAE(k)")
verify_not_present(buf, sae_keyseed, fname, "SAE(keyseed)")
verify_not_present(buf, sae_kck, fname, "SAE(KCK)")
dev[0].request("PMKSA_FLUSH")
logger.info("Checking keys in memory after PMKSA cache flush")
buf = read_process_memory(pid, password)
get_key_locations(buf, password, "Password")
get_key_locations(buf, pmk, "PMK")
verify_not_present(buf, pmk, fname, "PMK")
dev[0].request("REMOVE_NETWORK all")
logger.info("Checking keys in memory after network profile removal")
buf = read_process_memory(pid, password)
get_key_locations(buf, password, "Password")
get_key_locations(buf, pmk, "PMK")
verify_not_present(buf, password, fname, "password")
verify_not_present(buf, pmk, fname, "PMK")
verify_not_present(buf, kck, fname, "KCK")
verify_not_present(buf, kek, fname, "KEK")
verify_not_present(buf, tk, fname, "TK")
verify_not_present(buf, gtk, fname, "GTK")
verify_not_present(buf, sae_k, fname, "SAE(k)")
verify_not_present(buf, sae_keyseed, fname, "SAE(keyseed)")
verify_not_present(buf, sae_kck, fname, "SAE(KCK)")
@remote_compatible
def test_sae_oom_wpas(dev, apdev):
"""SAE and OOM in wpa_supplicant"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_groups'] = '19 25 26 20'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups 20")
with alloc_fail(dev[0], 1, "sae_set_group"):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].request("SET sae_groups ")
with alloc_fail(dev[0], 2, "sae_set_group"):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
with alloc_fail(dev[0], 1, "wpabuf_alloc;sme_auth_build_sae_commit"):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
with alloc_fail(dev[0], 1, "wpabuf_alloc;sme_auth_build_sae_confirm"):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
wait_fail_trigger(dev[0], "GET_ALLOC_FAIL")
dev[0].request("REMOVE_NETWORK all")
with alloc_fail(dev[0], 1, "=sme_authenticate"):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
wait_fail_trigger(dev[0], "GET_ALLOC_FAIL")
dev[0].request("REMOVE_NETWORK all")
with alloc_fail(dev[0], 1, "radio_add_work;sme_authenticate"):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
wait_fail_trigger(dev[0], "GET_ALLOC_FAIL")
dev[0].request("REMOVE_NETWORK all")
@remote_compatible
def test_sae_proto_ecc(dev, apdev):
"""SAE protocol testing (ECC)"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].request("SET sae_groups 19")
tests = [("Confirm mismatch",
"1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8",
"0000800edebc3f260dc1fe7e0b20888af2b8a3316252ec37388a8504e25b73dc4240"),
("Commit without even full cyclic group field",
"13",
None),
("Too short commit",
"1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02",
None),
("Invalid commit scalar (0)",
"1300" + "0000000000000000000000000000000000000000000000000000000000000000" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8",
None),
("Invalid commit scalar (1)",
"1300" + "0000000000000000000000000000000000000000000000000000000000000001" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8",
None),
("Invalid commit scalar (> r)",
"1300" + "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8",
None),
("Commit element not on curve",
"1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728d0000000000000000000000000000000000000000000000000000000000000000",
None),
("Invalid commit element (y coordinate > P)",
"1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
None),
("Invalid commit element (x coordinate > P)",
"1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8",
None),
("Different group in commit",
"1400" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8",
None),
("Too short confirm",
"1300" + "033d3635b39666ed427fd4a3e7d37acec2810afeaf1687f746a14163ff0e6d03" + "559cb8928db4ce4e3cbd6555e837591995e5ebe503ef36b503d9ca519d63728dd3c7c676b8e8081831b6bc3a64bdf136061a7de175e17d1965bfa41983ed02f8",
"0000800edebc3f260dc1fe7e0b20888af2b8a3316252ec37388a8504e25b73dc42")]
for (note, commit, confirm) in tests:
logger.info(note)
dev[0].scan_for_bss(bssid, freq=2412)
hapd.set("ext_mgmt_frame_handling", "1")
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
logger.info("Commit")
for i in range(0, 10):
req = hapd.mgmt_rx()
if req is None:
raise Exception("MGMT RX wait timed out (commit)")
if req['subtype'] == 11:
break
req = None
if not req:
raise Exception("Authentication frame (commit) not received")
hapd.dump_monitor()
resp = {}
resp['fc'] = req['fc']
resp['da'] = req['sa']
resp['sa'] = req['da']
resp['bssid'] = req['bssid']
resp['payload'] = binascii.unhexlify("030001000000" + commit)
hapd.mgmt_tx(resp)
if confirm:
logger.info("Confirm")
for i in range(0, 10):
req = hapd.mgmt_rx()
if req is None:
raise Exception("MGMT RX wait timed out (confirm)")
if req['subtype'] == 11:
break
req = None
if not req:
raise Exception("Authentication frame (confirm) not received")
hapd.dump_monitor()
resp = {}
resp['fc'] = req['fc']
resp['da'] = req['sa']
resp['sa'] = req['da']
resp['bssid'] = req['bssid']
resp['payload'] = binascii.unhexlify("030002000000" + confirm)
hapd.mgmt_tx(resp)
time.sleep(0.1)
dev[0].request("REMOVE_NETWORK all")
hapd.set("ext_mgmt_frame_handling", "0")
hapd.dump_monitor()
@remote_compatible
def test_sae_proto_ffc(dev, apdev):
"""SAE protocol testing (FFC)"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].request("SET sae_groups 2")
tests = [("Confirm mismatch",
"0200" + "0c70519d874e3e4930a917cc5e17ea7a26028211159f217bab28b8d6c56691805e49f03249b2c6e22c7c9f86b30e04ccad2deedd5e5108ae07b737c00001c59cd0eb08b1dfc7f1b06a1542e2b6601a963c066e0c65940983a03917ae57a101ce84b5cbbc76ff33ebb990aac2e54aa0f0ab6ec0a58113d927683502b2cb2347d2" + "a8c00117493cdffa5dd671e934bc9cb1a69f39e25e9dd9cd9afd3aea2441a0f5491211c7ba50a753563f9ce943b043557cb71193b28e86ed9544f4289c471bf91b70af5c018cf4663e004165b0fd0bc1d8f3f78adf42eee92bcbc55246fd3ee9f107ab965dc7d4986f23eb71d616ebfe6bfe0a6c1ac5dc1718acee17c9a17486",
"0000f3116a9731f1259622e3eb55d4b3b50ba16f8c5f5565b28e609b180c51460251"),
("Too short commit",
"0200" + "0c70519d874e3e4930a917cc5e17ea7a26028211159f217bab28b8d6c56691805e49f03249b2c6e22c7c9f86b30e04ccad2deedd5e5108ae07b737c00001c59cd0eb08b1dfc7f1b06a1542e2b6601a963c066e0c65940983a03917ae57a101ce84b5cbbc76ff33ebb990aac2e54aa0f0ab6ec0a58113d927683502b2cb2347d2" + "a8c00117493cdffa5dd671e934bc9cb1a69f39e25e9dd9cd9afd3aea2441a0f5491211c7ba50a753563f9ce943b043557cb71193b28e86ed9544f4289c471bf91b70af5c018cf4663e004165b0fd0bc1d8f3f78adf42eee92bcbc55246fd3ee9f107ab965dc7d4986f23eb71d616ebfe6bfe0a6c1ac5dc1718acee17c9a174",
None),
("Invalid element (0) in commit",
"0200" + "0c70519d874e3e4930a917cc5e17ea7a26028211159f217bab28b8d6c56691805e49f03249b2c6e22c7c9f86b30e04ccad2deedd5e5108ae07b737c00001c59cd0eb08b1dfc7f1b06a1542e2b6601a963c066e0c65940983a03917ae57a101ce84b5cbbc76ff33ebb990aac2e54aa0f0ab6ec0a58113d927683502b2cb2347d2" + "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
None),
("Invalid element (1) in commit",
"0200" + "0c70519d874e3e4930a917cc5e17ea7a26028211159f217bab28b8d6c56691805e49f03249b2c6e22c7c9f86b30e04ccad2deedd5e5108ae07b737c00001c59cd0eb08b1dfc7f1b06a1542e2b6601a963c066e0c65940983a03917ae57a101ce84b5cbbc76ff33ebb990aac2e54aa0f0ab6ec0a58113d927683502b2cb2347d2" + "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
None),
("Invalid element (> P) in commit",
"0200" + "0c70519d874e3e4930a917cc5e17ea7a26028211159f217bab28b8d6c56691805e49f03249b2c6e22c7c9f86b30e04ccad2deedd5e5108ae07b737c00001c59cd0eb08b1dfc7f1b06a1542e2b6601a963c066e0c65940983a03917ae57a101ce84b5cbbc76ff33ebb990aac2e54aa0f0ab6ec0a58113d927683502b2cb2347d2" + "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
None)]
for (note, commit, confirm) in tests:
logger.info(note)
dev[0].scan_for_bss(bssid, freq=2412)
hapd.set("ext_mgmt_frame_handling", "1")
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
logger.info("Commit")
for i in range(0, 10):
req = hapd.mgmt_rx()
if req is None:
raise Exception("MGMT RX wait timed out (commit)")
if req['subtype'] == 11:
break
req = None
if not req:
raise Exception("Authentication frame (commit) not received")
hapd.dump_monitor()
resp = {}
resp['fc'] = req['fc']
resp['da'] = req['sa']
resp['sa'] = req['da']
resp['bssid'] = req['bssid']
resp['payload'] = binascii.unhexlify("030001000000" + commit)
hapd.mgmt_tx(resp)
if confirm:
logger.info("Confirm")
for i in range(0, 10):
req = hapd.mgmt_rx()
if req is None:
raise Exception("MGMT RX wait timed out (confirm)")
if req['subtype'] == 11:
break
req = None
if not req:
raise Exception("Authentication frame (confirm) not received")
hapd.dump_monitor()
resp = {}
resp['fc'] = req['fc']
resp['da'] = req['sa']
resp['sa'] = req['da']
resp['bssid'] = req['bssid']
resp['payload'] = binascii.unhexlify("030002000000" + confirm)
hapd.mgmt_tx(resp)
time.sleep(0.1)
dev[0].request("REMOVE_NETWORK all")
hapd.set("ext_mgmt_frame_handling", "0")
hapd.dump_monitor()
def test_sae_proto_confirm_replay(dev, apdev):
"""SAE protocol testing - Confirm replay"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].request("SET sae_groups 19")
dev[0].scan_for_bss(bssid, freq=2412)
hapd.set("ext_mgmt_frame_handling", "1")
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
logger.info("Commit")
for i in range(0, 10):
req = hapd.mgmt_rx()
if req is None:
raise Exception("MGMT RX wait timed out (commit)")
if req['subtype'] == 11:
break
req = None
if not req:
raise Exception("Authentication frame (commit) not received")
bssid = hapd.own_addr().replace(':', '')
addr = dev[0].own_addr().replace(':', '')
hdr = "b0003a01" + bssid + addr + bssid + "1000"
hapd.dump_monitor()
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + binascii.hexlify(req['frame']).decode())
logger.info("Confirm")
for i in range(0, 10):
req = hapd.mgmt_rx()
if req is None:
raise Exception("MGMT RX wait timed out (confirm)")
if req['subtype'] == 11:
break
req = None
if not req:
raise Exception("Authentication frame (confirm) not received")
hapd.dump_monitor()
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + binascii.hexlify(req['frame']).decode())
logger.info("Replay Confirm")
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + binascii.hexlify(req['frame']).decode())
logger.info("Association Request")
for i in range(0, 10):
req = hapd.mgmt_rx()
if req is None:
raise Exception("MGMT RX wait timed out (AssocReq)")
if req['subtype'] == 0:
break
req = None
if not req:
raise Exception("Association Request frame not received")
hapd.dump_monitor()
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + binascii.hexlify(req['frame']).decode())
ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
if ev is None:
raise Exception("Management frame TX status not reported (1)")
if "stype=1 ok=1" not in ev:
raise Exception("Unexpected management frame TX status (1): " + ev)
cmd = "MGMT_TX_STATUS_PROCESS %s" % (" ".join(ev.split(' ')[1:4]))
if "OK" not in hapd.request(cmd):
raise Exception("MGMT_TX_STATUS_PROCESS failed")
hapd.set("ext_mgmt_frame_handling", "0")
dev[0].wait_connected()
def test_sae_proto_hostapd(dev, apdev):
"""SAE protocol testing with hostapd"""
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_groups'] = "19 65535"
hapd = hostapd.add_ap(apdev[0], params)
hapd.set("ext_mgmt_frame_handling", "1")
bssid = hapd.own_addr().replace(':', '')
addr = "020000000000"
addr2 = "020000000001"
hdr = "b0003a01" + bssid + addr + bssid + "1000"
hdr2 = "b0003a01" + bssid + addr2 + bssid + "1000"
group = "1300"
scalar = "f7df19f4a7fef1d3b895ea1de150b7c5a7a705c8ebb31a52b623e0057908bd93"
element_x = "21931572027f2e953e2a49fab3d992944102cc95aa19515fc068b394fb25ae3c"
element_y = "cb4eeb94d7b0b789abfdb73a67ab9d6d5efa94dd553e0e724a6289821cbce530"
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + hdr + "030001000000" + group + scalar + element_x + element_y)
# "SAE: Not enough data for scalar"
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + hdr + "030001000000" + group + scalar[:-2])
# "SAE: Do not allow group to be changed"
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + hdr + "030001000000" + "ffff" + scalar[:-2])
# "SAE: Unsupported Finite Cyclic Group 65535"
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + hdr2 + "030001000000" + "ffff" + scalar[:-2])
def test_sae_proto_hostapd_ecc(dev, apdev):
"""SAE protocol testing with hostapd (ECC)"""
params = hostapd.wpa2_params(ssid="test-sae", passphrase="foofoofoo")
params['wpa_key_mgmt'] = 'SAE'
params['sae_groups'] = "19"
hapd = hostapd.add_ap(apdev[0], params)
hapd.set("ext_mgmt_frame_handling", "1")
bssid = hapd.own_addr().replace(':', '')
addr = "020000000000"
addr2 = "020000000001"
hdr = "b0003a01" + bssid + addr + bssid + "1000"
hdr2 = "b0003a01" + bssid + addr2 + bssid + "1000"
group = "1300"
scalar = "9e9a959bf2dda875a4a29ce9b2afef46f2d83060930124cd9e39ddce798cd69a"
element_x = "dfc55fd8622b91d362f4d1fc9646474d7fba0ff7cce6ca58b8e96a931e070220"
element_y = "dac8a4e80724f167c1349cc9e1f9dd82a7c77b29d49789b63b72b4c849301a28"
# sae_parse_commit_element_ecc() failure to parse peer element
# (depending on crypto library, either crypto_ec_point_from_bin() failure
# or crypto_ec_point_is_on_curve() returning 0)
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + hdr + "030001000000" + group + scalar + element_x + element_y)
# Unexpected continuation of the connection attempt with confirm
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + hdr + "030002000000" + "0000" + "fd7b081ff4e8676f03612a4140eedcd3c179ab3a13b93863c6f7ca451340b9ae")
def test_sae_proto_hostapd_ffc(dev, apdev):
"""SAE protocol testing with hostapd (FFC)"""
params = hostapd.wpa2_params(ssid="test-sae", passphrase="foofoofoo")
params['wpa_key_mgmt'] = 'SAE'
params['sae_groups'] = "22"
hapd = hostapd.add_ap(apdev[0], params)
hapd.set("ext_mgmt_frame_handling", "1")
bssid = hapd.own_addr().replace(':', '')
addr = "020000000000"
addr2 = "020000000001"
hdr = "b0003a01" + bssid + addr + bssid + "1000"
hdr2 = "b0003a01" + bssid + addr2 + bssid + "1000"
group = "1600"
scalar = "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044cc46a73c07ef479dc66ec1f5e8ccf25131fa40"
element = "0f1d67025e12fc874cf718c35b19d1ab2db858215623f1ce661cbd1d7b1d7a09ceda7dba46866cf37044259b5cac4db15e7feb778edc8098854b93a84347c1850c02ee4d7dac46db79c477c731085d5b39f56803cda1eeac4a2fbbccb9a546379e258c00ebe93dfdd0a34cf8ce5c55cf905a89564a590b7e159fb89198e9d5cd"
# sae_parse_commit_element_ffc() failure to parse peer element
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + hdr + "030001000000" + group + scalar + element)
# Unexpected continuation of the connection attempt with confirm
hapd.request("MGMT_RX_PROCESS freq=2412 datarate=0 ssi_signal=-30 frame=" + hdr + "030002000000" + "0000" + "fd7b081ff4e8676f03612a4140eedcd3c179ab3a13b93863c6f7ca451340b9ae")
@remote_compatible
def test_sae_no_ffc_by_default(dev, apdev):
"""SAE and default groups rejecting FFC"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups 15")
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", scan_freq="2412",
wait_connect=False)
ev = dev[0].wait_event(["SME: Trying to authenticate"], timeout=3)
if ev is None:
raise Exception("Did not try to authenticate")
ev = dev[0].wait_event(["SME: Trying to authenticate"], timeout=3)
if ev is None:
raise Exception("Did not try to authenticate (2)")
dev[0].request("REMOVE_NETWORK all")
def sae_reflection_attack(apdev, dev, group):
if "SAE" not in dev.get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="no-knowledge-of-passphrase")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev, params)
bssid = apdev['bssid']
dev.scan_for_bss(bssid, freq=2412)
hapd.set("ext_mgmt_frame_handling", "1")
dev.request("SET sae_groups %d" % group)
dev.connect("test-sae", psk="reflection-attack", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
# Commit
for i in range(0, 10):
req = hapd.mgmt_rx()
if req is None:
raise Exception("MGMT RX wait timed out")
if req['subtype'] == 11:
break
req = None
if not req:
raise Exception("Authentication frame not received")
resp = {}
resp['fc'] = req['fc']
resp['da'] = req['sa']
resp['sa'] = req['da']
resp['bssid'] = req['bssid']
resp['payload'] = req['payload']
hapd.mgmt_tx(resp)
# Confirm
req = hapd.mgmt_rx(timeout=0.5)
if req is not None:
if req['subtype'] == 11:
raise Exception("Unexpected Authentication frame seen")
@remote_compatible
def test_sae_reflection_attack_ecc(dev, apdev):
"""SAE reflection attack (ECC)"""
sae_reflection_attack(apdev[0], dev[0], 19)
@remote_compatible
def test_sae_reflection_attack_ffc(dev, apdev):
"""SAE reflection attack (FFC)"""
sae_reflection_attack(apdev[0], dev[0], 15)
def sae_reflection_attack_internal(apdev, dev, group):
if "SAE" not in dev.get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="no-knowledge-of-passphrase")
params['wpa_key_mgmt'] = 'SAE'
params['sae_reflection_attack'] = '1'
hapd = hostapd.add_ap(apdev, params)
bssid = apdev['bssid']
dev.scan_for_bss(bssid, freq=2412)
dev.request("SET sae_groups %d" % group)
dev.connect("test-sae", psk="reflection-attack", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
ev = dev.wait_event(["SME: Trying to authenticate"], timeout=10)
if ev is None:
raise Exception("No authentication attempt seen")
ev = dev.wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection")
@remote_compatible
def test_sae_reflection_attack_ecc_internal(dev, apdev):
"""SAE reflection attack (ECC) - internal"""
sae_reflection_attack_internal(apdev[0], dev[0], 19)
@remote_compatible
def test_sae_reflection_attack_ffc_internal(dev, apdev):
"""SAE reflection attack (FFC) - internal"""
sae_reflection_attack_internal(apdev[0], dev[0], 15)
@remote_compatible
def test_sae_commit_override(dev, apdev):
"""SAE commit override (hostapd)"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_commit_override'] = '13ffbad00d215867a7c5ff37d87bb9bdb7cb116e520f71e8d7a794ca2606d537ddc6c099c40e7a25372b80a8fd443cd7dd222c8ea21b8ef372d4b3e316c26a73fd999cc79ad483eb826e7b3893ea332da68fa13224bcdeb4fb18b0584dd100a2c514'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", psk="test-sae", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection")
@remote_compatible
def test_sae_commit_override2(dev, apdev):
"""SAE commit override (wpa_supplicant)"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].set('sae_commit_override', '13ffbad00d215867a7c5ff37d87bb9bdb7cb116e520f71e8d7a794ca2606d537ddc6c099c40e7a25372b80a8fd443cd7dd222c8ea21b8ef372d4b3e316c26a73fd999cc79ad483eb826e7b3893ea332da68fa13224bcdeb4fb18b0584dd100a2c514')
dev[0].connect("test-sae", psk="test-sae", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection")
def test_sae_commit_invalid_scalar_element_ap(dev, apdev):
"""SAE commit invalid scalar/element from AP"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_commit_override'] = '1300' + 96*'00'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", psk="test-sae", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection")
def test_sae_commit_invalid_element_ap(dev, apdev):
"""SAE commit invalid element from AP"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_commit_override'] = '1300' + 31*'00' + '02' + 64*'00'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", psk="test-sae", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection")
def test_sae_commit_invalid_scalar_element_sta(dev, apdev):
"""SAE commit invalid scalar/element from STA"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].set('sae_commit_override', '1300' + 96*'00')
dev[0].connect("test-sae", psk="test-sae", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection")
def test_sae_commit_invalid_element_sta(dev, apdev):
"""SAE commit invalid element from STA"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].set('sae_commit_override', '1300' + 31*'00' + '02' + 64*'00')
dev[0].connect("test-sae", psk="test-sae", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
if ev is not None:
raise Exception("Unexpected connection")
@remote_compatible
def test_sae_anti_clogging_proto(dev, apdev):
"""SAE anti clogging protocol testing"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="no-knowledge-of-passphrase")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].scan_for_bss(bssid, freq=2412)
hapd.set("ext_mgmt_frame_handling", "1")
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", psk="anti-cloggign", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
# Commit
for i in range(0, 10):
req = hapd.mgmt_rx()
if req is None:
raise Exception("MGMT RX wait timed out")
if req['subtype'] == 11:
break
req = None
if not req:
raise Exception("Authentication frame not received")
resp = {}
resp['fc'] = req['fc']
resp['da'] = req['sa']
resp['sa'] = req['da']
resp['bssid'] = req['bssid']
resp['payload'] = binascii.unhexlify("030001004c00" + "ffff00")
hapd.mgmt_tx(resp)
# Confirm (not received due to DH group being rejected)
req = hapd.mgmt_rx(timeout=0.5)
if req is not None:
if req['subtype'] == 11:
raise Exception("Unexpected Authentication frame seen")
@remote_compatible
def test_sae_no_random(dev, apdev):
"""SAE and no random numbers available"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
tests = [(1, "os_get_random;sae_get_rand"),
(1, "os_get_random;sae_derive_pwe_ecc")]
for count, func in tests:
with fail_test(dev[0], count, func):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
@remote_compatible
def test_sae_pwe_failure(dev, apdev):
"""SAE and pwe failure"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_groups'] = '19 15'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups 19")
with fail_test(dev[0], 1, "hmac_sha256_vector;sae_derive_pwe_ecc"):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
with fail_test(dev[0], 1, "sae_test_pwd_seed_ecc"):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
dev[0].request("SET sae_groups 15")
with fail_test(dev[0], 1, "hmac_sha256_vector;sae_derive_pwe_ffc"):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
dev[0].request("SET sae_groups 15")
with fail_test(dev[0], 1, "sae_test_pwd_seed_ffc"):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
with fail_test(dev[0], 2, "sae_test_pwd_seed_ffc"):
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
@remote_compatible
def test_sae_bignum_failure(dev, apdev):
"""SAE and bignum failure"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_groups'] = '19 15 22'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups 19")
tests = [(1, "crypto_bignum_init_set;dragonfly_get_rand_1_to_p_1"),
(1, "crypto_bignum_init;dragonfly_is_quadratic_residue_blind"),
(1, "crypto_bignum_mulmod;dragonfly_is_quadratic_residue_blind"),
(2, "crypto_bignum_mulmod;dragonfly_is_quadratic_residue_blind"),
(3, "crypto_bignum_mulmod;dragonfly_is_quadratic_residue_blind"),
(1, "crypto_bignum_legendre;dragonfly_is_quadratic_residue_blind"),
(1, "crypto_bignum_init_set;sae_test_pwd_seed_ecc"),
(1, "crypto_ec_point_compute_y_sqr;sae_test_pwd_seed_ecc"),
(1, "crypto_bignum_to_bin;sae_derive_pwe_ecc"),
(1, "crypto_ec_point_init;sae_derive_pwe_ecc"),
(1, "crypto_ec_point_solve_y_coord;sae_derive_pwe_ecc"),
(1, "crypto_ec_point_init;sae_derive_commit_element_ecc"),
(1, "crypto_ec_point_mul;sae_derive_commit_element_ecc"),
(1, "crypto_ec_point_invert;sae_derive_commit_element_ecc"),
(1, "crypto_bignum_init;=sae_derive_commit"),
(1, "crypto_ec_point_init;sae_derive_k_ecc"),
(1, "crypto_ec_point_mul;sae_derive_k_ecc"),
(1, "crypto_ec_point_add;sae_derive_k_ecc"),
(2, "crypto_ec_point_mul;sae_derive_k_ecc"),
(1, "crypto_ec_point_to_bin;sae_derive_k_ecc"),
(1, "crypto_bignum_legendre;dragonfly_get_random_qr_qnr"),
(1, "sha256_prf;sae_derive_keys"),
(1, "crypto_bignum_init;sae_derive_keys"),
(1, "crypto_bignum_init_set;sae_parse_commit_scalar"),
(1, "crypto_bignum_to_bin;sae_parse_commit_element_ecc"),
(1, "crypto_ec_point_from_bin;sae_parse_commit_element_ecc")]
for count, func in tests:
with fail_test(dev[0], count, func):
hapd.request("NOTE STA failure testing %d:%s" % (count, func))
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
wait_fail_trigger(dev[0], "GET_FAIL")
dev[0].request("REMOVE_NETWORK all")
dev[0].dump_monitor()
hapd.dump_monitor()
dev[0].request("SET sae_groups 15")
tests = [(1, "crypto_bignum_init_set;sae_set_group"),
(2, "crypto_bignum_init_set;sae_set_group"),
(1, "crypto_bignum_init_set;sae_get_rand"),
(1, "crypto_bignum_init_set;sae_test_pwd_seed_ffc"),
(1, "crypto_bignum_exptmod;sae_test_pwd_seed_ffc"),
(1, "crypto_bignum_init;sae_derive_pwe_ffc"),
(1, "crypto_bignum_init;sae_derive_commit_element_ffc"),
(1, "crypto_bignum_exptmod;sae_derive_commit_element_ffc"),
(1, "crypto_bignum_inverse;sae_derive_commit_element_ffc"),
(1, "crypto_bignum_init;sae_derive_k_ffc"),
(1, "crypto_bignum_exptmod;sae_derive_k_ffc"),
(1, "crypto_bignum_mulmod;sae_derive_k_ffc"),
(2, "crypto_bignum_exptmod;sae_derive_k_ffc"),
(1, "crypto_bignum_to_bin;sae_derive_k_ffc"),
(1, "crypto_bignum_init_set;sae_parse_commit_element_ffc"),
(1, "crypto_bignum_init;sae_parse_commit_element_ffc"),
(2, "crypto_bignum_init_set;sae_parse_commit_element_ffc"),
(1, "crypto_bignum_exptmod;sae_parse_commit_element_ffc")]
for count, func in tests:
with fail_test(dev[0], count, func):
hapd.request("NOTE STA failure testing %d:%s" % (count, func))
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
wait_fail_trigger(dev[0], "GET_FAIL")
dev[0].request("REMOVE_NETWORK all")
dev[0].dump_monitor()
hapd.dump_monitor()
def test_sae_bignum_failure_unsafe_group(dev, apdev):
"""SAE and bignum failure unsafe group"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_groups'] = '22'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups 22")
tests = [(1, "crypto_bignum_init_set;sae_test_pwd_seed_ffc"),
(1, "crypto_bignum_sub;sae_test_pwd_seed_ffc"),
(1, "crypto_bignum_div;sae_test_pwd_seed_ffc")]
for count, func in tests:
with fail_test(dev[0], count, func):
hapd.request("NOTE STA failure testing %d:%s" % (count, func))
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
wait_fail_trigger(dev[0], "GET_FAIL")
dev[0].request("REMOVE_NETWORK all")
dev[0].dump_monitor()
hapd.dump_monitor()
def test_sae_invalid_anti_clogging_token_req(dev, apdev):
"""SAE and invalid anti-clogging token request"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
# Beacon more frequently since Probe Request frames are practically ignored
# in this test setup (ext_mgmt_frame_handled=1 on hostapd side) and
# wpa_supplicant scans may end up getting ignored if no new results are
# available due to the missing Probe Response frames.
params['beacon_int'] = '20'
hapd = hostapd.add_ap(apdev[0], params)
bssid = apdev[0]['bssid']
dev[0].request("SET sae_groups 19")
dev[0].scan_for_bss(bssid, freq=2412)
hapd.set("ext_mgmt_frame_handling", "1")
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["SME: Trying to authenticate"])
if ev is None:
raise Exception("No authentication attempt seen (1)")
dev[0].dump_monitor()
for i in range(0, 10):
req = hapd.mgmt_rx()
if req is None:
raise Exception("MGMT RX wait timed out (commit)")
if req['subtype'] == 11:
break
req = None
if not req:
raise Exception("Authentication frame (commit) not received")
hapd.dump_monitor()
resp = {}
resp['fc'] = req['fc']
resp['da'] = req['sa']
resp['sa'] = req['da']
resp['bssid'] = req['bssid']
resp['payload'] = binascii.unhexlify("030001004c0013")
hapd.mgmt_tx(resp)
ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
if ev is None:
raise Exception("Management frame TX status not reported (1)")
if "stype=11 ok=1" not in ev:
raise Exception("Unexpected management frame TX status (1): " + ev)
ev = dev[0].wait_event(["SME: Trying to authenticate"])
if ev is None:
raise Exception("No authentication attempt seen (2)")
dev[0].dump_monitor()
for i in range(0, 10):
req = hapd.mgmt_rx()
if req is None:
raise Exception("MGMT RX wait timed out (commit) (2)")
if req['subtype'] == 11:
break
req = None
if not req:
raise Exception("Authentication frame (commit) not received (2)")
hapd.dump_monitor()
resp = {}
resp['fc'] = req['fc']
resp['da'] = req['sa']
resp['sa'] = req['da']
resp['bssid'] = req['bssid']
resp['payload'] = binascii.unhexlify("030001000100")
hapd.mgmt_tx(resp)
ev = hapd.wait_event(["MGMT-TX-STATUS"], timeout=5)
if ev is None:
raise Exception("Management frame TX status not reported (1)")
if "stype=11 ok=1" not in ev:
raise Exception("Unexpected management frame TX status (1): " + ev)
ev = dev[0].wait_event(["SME: Trying to authenticate"])
if ev is None:
raise Exception("No authentication attempt seen (3)")
dev[0].dump_monitor()
dev[0].request("DISCONNECT")
def test_sae_password(dev, apdev):
"""SAE and sae_password in hostapd configuration"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE WPA-PSK'
params['sae_password'] = "sae-password"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", psk="sae-password", key_mgmt="SAE",
scan_freq="2412")
dev[1].connect("test-sae", psk="12345678", scan_freq="2412")
dev[2].request("SET sae_groups ")
dev[2].connect("test-sae", sae_password="sae-password", key_mgmt="SAE",
scan_freq="2412")
def test_sae_password_short(dev, apdev):
"""SAE and short password"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae")
params['wpa_key_mgmt'] = 'SAE'
params['sae_password'] = "secret"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", sae_password="secret", key_mgmt="SAE",
scan_freq="2412")
def test_sae_password_long(dev, apdev):
"""SAE and long password"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae")
params['wpa_key_mgmt'] = 'SAE'
params['sae_password'] = 100*"A"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", sae_password=100*"A", key_mgmt="SAE",
scan_freq="2412")
def test_sae_connect_cmd(dev, apdev):
"""SAE with connect command"""
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5", drv_params="force_connect_cmd=1")
if "SAE" not in wpas.get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
hapd = hostapd.add_ap(apdev[0], params)
wpas.request("SET sae_groups ")
wpas.connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
# mac80211_hwsim does not support SAE offload, so accept both a successful
# connection and association rejection.
ev = wpas.wait_event(["CTRL-EVENT-CONNECTED", "CTRL-EVENT-ASSOC-REJECT",
"Association request to the driver failed"],
timeout=15)
if ev is None:
raise Exception("No connection result reported")
def run_sae_password_id(dev, apdev, groups=None):
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae")
params['wpa_key_mgmt'] = 'SAE'
if groups:
params['sae_groups'] = groups
else:
groups = ""
params['sae_password'] = ['secret|mac=ff:ff:ff:ff:ff:ff|id=pw id',
'foo|mac=02:02:02:02:02:02',
'another secret|mac=ff:ff:ff:ff:ff:ff|id=' + 29*'A']
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups " + groups)
dev[0].connect("test-sae", sae_password="secret", sae_password_id="pw id",
key_mgmt="SAE", scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
# SAE Password Identifier element with the exact same length as the
# optional Anti-Clogging Token field
dev[0].connect("test-sae", sae_password="another secret",
sae_password_id=29*'A',
key_mgmt="SAE", scan_freq="2412")
dev[0].request("REMOVE_NETWORK all")
dev[0].wait_disconnected()
dev[0].connect("test-sae", sae_password="secret", sae_password_id="unknown",
key_mgmt="SAE", scan_freq="2412", wait_connect=False)
ev = dev[0].wait_event(["CTRL-EVENT-SAE-UNKNOWN-PASSWORD-IDENTIFIER"],
timeout=10)
if ev is None:
raise Exception("Unknown password identifier not reported")
dev[0].request("REMOVE_NETWORK all")
def test_sae_password_id(dev, apdev):
"""SAE and password identifier"""
run_sae_password_id(dev, apdev, "")
def test_sae_password_id_ecc(dev, apdev):
"""SAE and password identifier (ECC)"""
run_sae_password_id(dev, apdev, "19")
def test_sae_password_id_ffc(dev, apdev):
"""SAE and password identifier (FFC)"""
run_sae_password_id(dev, apdev, "15")
def test_sae_password_id_only(dev, apdev):
"""SAE and password identifier (exclusively)"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae")
params['wpa_key_mgmt'] = 'SAE'
params['sae_password'] = 'secret|id=pw id'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
dev[0].connect("test-sae", sae_password="secret", sae_password_id="pw id",
key_mgmt="SAE", scan_freq="2412")
def test_sae_forced_anti_clogging_pw_id(dev, apdev):
"""SAE anti clogging (forced and Password Identifier)"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae")
params['wpa_key_mgmt'] = 'SAE'
params['sae_anti_clogging_threshold'] = '0'
params['sae_password'] = 'secret|id=' + 29*'A'
hostapd.add_ap(apdev[0], params)
for i in range(0, 2):
dev[i].request("SET sae_groups ")
dev[i].connect("test-sae", sae_password="secret",
sae_password_id=29*'A', key_mgmt="SAE", scan_freq="2412")
def test_sae_reauth(dev, apdev):
"""SAE reauthentication"""
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae",
passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params["ieee80211w"] = "2"
hapd = hostapd.add_ap(apdev[0], params)
dev[0].request("SET sae_groups ")
id = dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
ieee80211w="2", scan_freq="2412")
hapd.set("ext_mgmt_frame_handling", "1")
dev[0].request("DISCONNECT")
dev[0].wait_disconnected(timeout=10)
hapd.set("ext_mgmt_frame_handling", "0")
dev[0].request("PMKSA_FLUSH")
dev[0].request("REASSOCIATE")
dev[0].wait_connected(timeout=10, error="Timeout on re-connection")
def test_sae_anti_clogging_during_attack(dev, apdev):
"""SAE anti clogging during an attack"""
try:
run_sae_anti_clogging_during_attack(dev, apdev)
finally:
stop_monitor(apdev[1]["ifname"])
def build_sae_commit(bssid, addr, group=21, token=None):
if group == 19:
scalar = binascii.unhexlify("7332d3ebff24804005ccd8c56141e3ed8d84f40638aa31cd2fac11d4d2e89e7b")
element = binascii.unhexlify("954d0f4457066bff3168376a1d7174f4e66620d1792406f613055b98513a7f03a538c13dfbaf2029e2adc6aa96aa0ddcf08ac44887b02f004b7f29b9dbf4b7d9")
elif group == 21:
scalar = binascii.unhexlify("001eec673111b902f5c8a61c8cb4c1c4793031aeea8c8c319410903bc64bcbaea134ab01c4e016d51436f5b5426f7e2af635759a3033fb4031ea79f89a62a3e2f828")
element = binascii.unhexlify("00580eb4b448ea600ea277d5e66e4ed37db82bb04ac90442e9c3727489f366ba4b82f0a472d02caf4cdd142e96baea5915d71374660ee23acbaca38cf3fe8c5fb94b01abbc5278121635d7c06911c5dad8f18d516e1fbe296c179b7c87a1dddfab393337d3d215ed333dd396da6d8f20f798c60d054f1093c24d9c2d98e15c030cc375f0")
pass
frame = binascii.unhexlify("b0003a01")
frame += bssid + addr + bssid
frame += binascii.unhexlify("1000")
auth_alg = 3
transact = 1
status = 0
frame += struct.pack("<HHHH", auth_alg, transact, status, group)
if token:
frame += token
frame += scalar + element
return frame
def sae_rx_commit_token_req(sock, radiotap, send_two=False):
msg = sock.recv(1500)
ver, pad, len, present = struct.unpack('<BBHL', msg[0:8])
frame = msg[len:]
fc, duration = struct.unpack('<HH', frame[0:4])
if fc != 0xb0:
return False
frame = frame[4:]
da = frame[0:6]
if da[0] != 0xf2:
return False
sa = frame[6:12]
bssid = frame[12:18]
body = frame[20:]
alg, seq, status, group = struct.unpack('<HHHH', body[0:8])
if alg != 3 or seq != 1 or status != 76:
return False
token = body[8:]
frame = build_sae_commit(bssid, da, token=token)
sock.send(radiotap + frame)
if send_two:
sock.send(radiotap + frame)
return True
def run_sae_anti_clogging_during_attack(dev, apdev):
if "SAE" not in dev[0].get_capability("auth_alg"):
raise HwsimSkip("SAE not supported")
params = hostapd.wpa2_params(ssid="test-sae", passphrase="12345678")
params['wpa_key_mgmt'] = 'SAE'
params['sae_groups'] = '21'
hapd = hostapd.add_ap(apdev[0], params)
dev[0].scan_for_bss(hapd.own_addr(), freq=2412)
dev[0].request("SET sae_groups 21")
dev[1].scan_for_bss(hapd.own_addr(), freq=2412)
dev[1].request("SET sae_groups 21")
sock = start_monitor(apdev[1]["ifname"])
radiotap = radiotap_build()
bssid = binascii.unhexlify(hapd.own_addr().replace(':', ''))
for i in range(16):
addr = binascii.unhexlify("f2%010x" % i)
frame = build_sae_commit(bssid, addr)
sock.send(radiotap + frame)
sock.send(radiotap + frame)
count = 0
for i in range(150):
if sae_rx_commit_token_req(sock, radiotap, send_two=True):
count += 1
logger.info("Number of token responses sent: %d" % count)
if count < 10:
raise Exception("Too few token responses seen: %d" % count)
for i in range(16):
addr = binascii.unhexlify("f201%08x" % i)
frame = build_sae_commit(bssid, addr)
sock.send(radiotap + frame)
count = 0
for i in range(150):
if sae_rx_commit_token_req(sock, radiotap):
count += 1
if count == 10:
break
if count < 5:
raise Exception("Too few token responses in second round: %d" % count)
dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
dev[1].connect("test-sae", psk="12345678", key_mgmt="SAE",
scan_freq="2412", wait_connect=False)
count = 0
connected0 = False
connected1 = False
for i in range(1000):
if sae_rx_commit_token_req(sock, radiotap):
count += 1
addr = binascii.unhexlify("f202%08x" % i)
frame = build_sae_commit(bssid, addr)
sock.send(radiotap + frame)
while dev[0].mon.pending():
ev = dev[0].mon.recv()
logger.debug("EV0: " + ev)
if "CTRL-EVENT-CONNECTED" in ev:
connected0 = True
while dev[1].mon.pending():
ev = dev[1].mon.recv()
logger.debug("EV1: " + ev)
if "CTRL-EVENT-CONNECTED" in ev:
connected1 = True
if connected0 and connected1:
break
if not connected0:
raise Exception("Real station(0) did not get connected")
if not connected1:
raise Exception("Real station(1) did not get connected")
if count < 1:
raise Exception("Too few token responses in third round: %d" % count)
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