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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/ap/wpa_auth.c
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@ -2314,7 +2314,8 @@ int fils_auth_pmk_to_ptk(struct wpa_state_machine *sm, const u8 *pmk,
snonce, anonce, dhss, dhss_len,
&sm->PTK, ick, &ick_len,
sm->wpa_key_mgmt, sm->pairwise,
fils_ft, &fils_ft_len);
fils_ft, &fils_ft_len,
sm->wpa_auth->conf.kdk ? WPA_KDK_MAX_LEN : 0);
if (res < 0)
return res;
sm->PTK_valid = true;