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FILS: Extend the fils_pmk_to_ptk() function to also derive KDK

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Extend the fils_pmk_to_ptk() to also derive Key Derivation
Key (KDK) which can later be used for secure LTF measurements.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
This commit is contained in:
Ilan Peer 2020-12-16 13:00:19 +02:00 • committed by Jouni Malinen
parent 6e834db74e
commit d87f4aea11
5 changed files with 37 additions and 10 deletions
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3
src/rsn_supp/wpa.c
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@ -4350,7 +4350,8 @@ int fils_process_auth(struct wpa_sm *sm, const u8 *bssid, const u8 *data,
dh_ss ? wpabuf_len(dh_ss) : 0,
&sm->ptk, ick, &ick_len,
sm->key_mgmt, sm->pairwise_cipher,
sm->fils_ft, &sm->fils_ft_len) < 0) {
sm->fils_ft, &sm->fils_ft_len,
sm->kdk ? WPA_KDK_MAX_LEN : 0) < 0) {
wpa_printf(MSG_DEBUG, "FILS: Failed to derive PTK");
goto fail;
}