# Test cases for SAE # Copyright (c) 2013-2015, Jouni Malinen # # This software may be distributed under the terms of the BSD license. # See README for more details. import binascii import os import time import subprocess import logging logger = logging.getLogger() import hwsim_utils import hostapd from utils import HwsimSkip, alloc_fail, fail_test from test_ap_psk import find_wpas_process, read_process_memory, verify_not_present, get_key_locations 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]['ifname'], 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']) 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]['ifname'], 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() 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'] = '22' hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].request("SET sae_groups 22") 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() 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]['ifname'], 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") 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]['ifname'], 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, 2, 5, 14, 15, 16, 22, 23, 24 ] tls = dev[0].request("GET tls_library") if tls.startswith("OpenSSL") and "build=OpenSSL 1.0.2" in tls and "run=OpenSSL 1.0.2" in tls: logger.info("Add Brainpool EC groups since OpenSSL is new enough") sae_groups += [ 27, 28, 29, 30 ] heavy_groups = [ 14, 15, 16 ] 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]['ifname'], 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 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() 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]['ifname'], 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_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]['ifname'], 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]['ifname'], 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]['ifname'], 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_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]['ifname'], 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]['ifname'], 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") time.sleep(1) 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") if gtk in buf: raise Exception("GTK 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") 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)") 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' hapd = hostapd.add_ap(apdev[0]['ifname'], params) dev[0].request("SET sae_groups 25") tls = dev[0].request("GET tls_library") if "BoringSSL" in tls: dev[0].request("SET sae_groups 26") 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") 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]['ifname'], 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() 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]['ifname'], 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_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]['ifname'], params) dev[0].request("SET sae_groups 5") 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['ifname'], 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") def test_sae_reflection_attack_ecc(dev, apdev): """SAE reflection attack (ECC)""" sae_reflection_attack(apdev[0], dev[0], 19) def test_sae_reflection_attack_ffc(dev, apdev): """SAE reflection attack (FFC)""" sae_reflection_attack(apdev[0], dev[0], 5) 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]['ifname'], 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") 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]['ifname'], params) dev[0].request("SET sae_groups ") tests = [ (1, "os_get_random;sae_get_rand"), (1, "os_get_random;get_rand_1_to_p_1"), (1, "os_get_random;get_random_qr_qnr"), (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()