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FT: Do not add MIC to FTIE during initial MD association

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We do not have any keys set at this point so there is no point in
adding the MIC. In addition, IEEE Std 802.11r-2008, 11A.4.2
describes this frame to have MIC IE count of 0 and MIC of 0.
This commit is contained in:
Jouni Malinen 2010-04-09 13:30:49 +03:00 committed by Jouni Malinen
parent 6de513fcd3
commit 1f6e69e07b
1 changed files with 8 additions and 4 deletions
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12
src/ap/wpa_auth_ft.c
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@ -688,18 +688,22 @@ u8 * wpa_sm_write_assoc_resp_ies(struct wpa_state_machine *sm, u8 *pos,
pos += res;
_ftie = (struct rsn_ftie *) (ftie + 2);
_ftie->mic_control[1] = 3; /* Information element count */
if (auth_alg == WLAN_AUTH_FT)
_ftie->mic_control[1] = 3; /* Information element count */
ric_start = pos;
if (wpa_ft_parse_ies(req_ies, req_ies_len, &parse) == 0 && parse.ric) {
pos = wpa_ft_process_ric(pos, end, parse.ric, parse.ric_len);
_ftie->mic_control[1] += ieee802_11_ie_count(ric_start,
pos - ric_start);
if (auth_alg == WLAN_AUTH_FT)
_ftie->mic_control[1] +=
ieee802_11_ie_count(ric_start,
pos - ric_start);
}
if (ric_start == pos)
ric_start = NULL;
if (wpa_ft_mic(sm->PTK.kck, sm->addr, sm->wpa_auth->addr, 6,
if (auth_alg == WLAN_AUTH_FT &&
wpa_ft_mic(sm->PTK.kck, sm->addr, sm->wpa_auth->addr, 6,
mdie, mdie_len, ftie, ftie_len,
rsnie, rsnie_len,
ric_start, ric_start ? pos - ric_start : 0,