Starting WPS with No Encyption

[Gürsel MUTLU]

Hi,
I am trying to use WPS on hostapd when no ecryption method is defined in configuration file.
Is this supported on current release. If yes, can anyone help me to create a suitable configuration file please?
When I try to do it by commenting wpa related fields in configuration file(printed below), I get the following debug messages from hostapd but wps operations doesn't start upon a wps enrollee connection.

Configuration file "hostapd.conf.ath0":
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ctrl_interface=/var/run/hostapd
interface=ath0
driver=madwifi
logger_syslog=0
logger_syslog_level=0
logger_stdout=0
logger_stdout_level=0
dump_file=/var/hostapd.dump.ath0.0
ssid=XXXX
#wpa_passphrase=CyPD2FE1mKJb65EwrxJ9aQ
#wpa_key_mgmt=WPA-PSK
#wpa=2
#wpa_pairwise=CCMP
#wpa_group_rekey=3600
eap_server=1
ap_setup_locked=0
wps_pin_requests=/var/run/hostapd.pin-req
manufacturer=XXXX
device_type=6-0050F204-1
os_version=01020300
config_methods=label display push_button keypad
bridge=br0
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Console output:
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# hostapd /var/hostapd.conf.ath0 -ddd &
# Configuration file: /var/hostapd.conf.ath0
Configure bridge br0 for EAPOL traffic.
madwifi_set_iface_flags: dev_up=0
madwifi_set_privacy: enabled=0
madwifi_receive_probe_req Enter
BSS count 1, BSSID mask ff:ff:ff:ff:ff:ff (0 bits)
SIOCGIWRANGE: WE(compiled)=21 WE(source)=13 enc_capa=0x0
Flushing old station entries
madwifi_sta_deauth: addr=ff:ff:ff:ff:ff:ff reason_code=3
Deauthenticate all stations
madwifi_sta_deauth: addr=ff:ff:ff:ff:ff:ff reason_code=2
madwifi_set_privacy: enabled=0
madwifi_del_key: addr=00:00:00:00:00:00 key_idx=0
madwifi_del_key: addr=00:00:00:00:00:00 key_idx=1
madwifi_del_key: addr=00:00:00:00:00:00 key_idx=2
madwifi_del_key: addr=00:00:00:00:00:00 key_idx=3
Using interface ath0 with hwaddr 00:XX:XX:XX:XX:XX and ssid 'XXXX'
WPS: UUID based on MAC address - hexdump(len=16): XXXX.XXXX
WPS: Build Beacon and Probe Response IEs
WPS:  * Version
WPS:  * Wi-Fi Protected Setup State (2)
WPS:  * UUID-E
WPS:  * RF Bands (1)
WPS:  * Version
WPS:  * Wi-Fi Protected Setup State (2)
WPS:  * Response Type (3)
WPS:  * UUID-E
WPS:  * Manufacturer
WPS:  * Model Name
WPS:  * Model Number
WPS:  * Serial Number
WPS:  * Primary Device Type
WPS:  * Device Name
WPS:  * Config Methods (0)
WPS:  * RF Bands (1)
madwifi_set_wps_ie buflen = 41
madwifi_set_wps_ie buflen = 150
madwifi_set_iface_flags: dev_up=1
Wireless event: cmd=0x8b1a len=29
# Wireless event: cmd=0x8c03 len=20
  New STA
madwifi_sta_clear_stats: addr=00:XX:XX:XX:XX:XX
IEEE 802.1X: 4 bytes from 00:XX:XX:XX:XX:XX
   IEEE 802.1X: version=2 type=1 length=0
IEEE 802.1X: 4 bytes from 00:XX:XX:XX:XX:XX
   IEEE 802.1X: version=2 type=1 length=0
IEEE 802.1X: 4 bytes from 00:XX:XX:XX:XX:XX
   IEEE 802.1X: version=2 type=1 length=0
Wireless event: cmd=0x8c04 len=20
Wireless event: cmd=0x8c03 len=20
  New STA
....
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Regards,
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