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WPS: Use PMK_LEN instead of hardcoded 32

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Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2020-02-15 17:27:03 +02:00
parent b27ed050db
commit b1977a652d
1 changed files with 5 additions and 4 deletions
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9
src/wps/wps_registrar.c
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@ -17,6 +17,7 @@
#include "crypto/sha256.h"
#include "crypto/random.h"
#include "common/ieee802_11_defs.h"
#include "common/wpa_common.h"
#include "wps_i.h"
#include "wps_dev_attr.h"
#include "wps_upnp.h"
@ -1763,9 +1764,9 @@ int wps_build_cred(struct wps_data *wps, struct wpabuf *msg)
wps->use_psk_key && wps->wps->psk_set) {
char hex[65];
wpa_printf(MSG_DEBUG, "WPS: Use PSK format for Network Key");
wpa_snprintf_hex(hex, sizeof(hex), wps->wps->psk, 32);
os_memcpy(wps->cred.key, hex, 32 * 2);
wps->cred.key_len = 32 * 2;
wpa_snprintf_hex(hex, sizeof(hex), wps->wps->psk, PMK_LEN);
os_memcpy(wps->cred.key, hex, PMK_LEN * 2);
wps->cred.key_len = PMK_LEN * 2;
} else if (!wps->wps->registrar->force_per_enrollee_psk &&
wps->wps->network_key) {
os_memcpy(wps->cred.key, wps->wps->network_key,
@ -1775,7 +1776,7 @@ int wps_build_cred(struct wps_data *wps, struct wpabuf *msg)
char hex[65];
/* Generate a random per-device PSK */
os_free(wps->new_psk);
wps->new_psk_len = 32;
wps->new_psk_len = PMK_LEN;
wps->new_psk = os_malloc(wps->new_psk_len);
if (wps->new_psk == NULL)
return -1;