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mesh: Use variable length MGTK for RX

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This extends the data structures to allow variable length MGTK to be
stored for RX. This is needed as an initial step towards supporting
different cipher suites.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2016-06-18 14:45:35 +03:00
parent fccba2c946
commit a4eec3c230
3 changed files with 9 additions and 5 deletions
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10
wpa_supplicant/mesh_mpm.c
View file

@ -797,15 +797,17 @@ static void mesh_mpm_plink_estab(struct wpa_supplicant *wpa_s,
/* TODO: support for other ciphers */
wpa_drv_set_key(wpa_s, WPA_ALG_CCMP, sta->addr, 0, 0,
seq, sizeof(seq), sta->mtk, sta->mtk_len);
wpa_hexdump_key(MSG_DEBUG, "mesh: RX MGTK",
sta->mgtk, sta->mgtk_len);
/* TODO: support for other ciphers */
/* FIX: key index.. */
wpa_drv_set_key(wpa_s, WPA_ALG_CCMP, sta->addr, 1, 0,
seq, sizeof(seq),
sta->mgtk, sizeof(sta->mgtk));
sta->mgtk, sta->mgtk_len);
wpa_drv_set_key(wpa_s, WPA_ALG_IGTK, sta->addr, 4, 0,
seq, sizeof(seq),
sta->mgtk, sizeof(sta->mgtk));
wpa_hexdump_key(MSG_DEBUG, "mgtk:",
sta->mgtk, sizeof(sta->mgtk));
}
wpa_mesh_set_plink_state(wpa_s, sta, PLINK_ESTAB);

1
wpa_supplicant/mesh_rsn.c
View file

@ -640,6 +640,7 @@ int mesh_rsn_process_ampe(struct wpa_supplicant *wpa_s, struct sta_info *sta,
os_memcpy(sta->peer_nonce, ampe->local_nonce,
sizeof(ampe->local_nonce));
os_memcpy(sta->mgtk, ampe->mgtk, sizeof(ampe->mgtk));
sta->mgtk_len = sizeof(ampe->mgtk);
/* todo parse mgtk expiration */
free: