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wlantest: Use negotiated AKM/cipher to select PMK-to-PTK parameters

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This commit is contained in:
Jouni Malinen 2010-11-12 23:33:42 +02:00
parent 42e79f82dc
commit a9dd29d3e1
1 changed files with 3 additions and 2 deletions
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5
wlantest/rx_data.c
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@ -17,6 +17,7 @@
#include "utils/common.h"
#include "crypto/aes_wrap.h"
#include "crypto/crypto.h"
#include "common/defs.h"
#include "common/ieee802_11_defs.h"
#include "common/eapol_common.h"
#include "common/wpa_common.h"
@ -118,12 +119,12 @@ static int try_pmk(struct wlantest_bss *bss, struct wlantest_sta *sta,
struct wlantest_pmk *pmk)
{
struct wpa_ptk ptk;
size_t ptk_len = 48; /* FIX: 64 for TKIP */
size_t ptk_len = sta->pairwise_cipher == WPA_CIPHER_TKIP ? 64 : 48;
wpa_pmk_to_ptk(pmk->pmk, sizeof(pmk->pmk),
"Pairwise key expansion",
bss->bssid, sta->addr, sta->anonce, sta->snonce,
(u8 *) &ptk, ptk_len,
0 /* FIX: SHA256 based on AKM */);
wpa_key_mgmt_sha256(sta->key_mgmt));
if (check_mic(ptk.kck, ver, data, len) < 0)
return -1;