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Print the algorithms used for EAPOL-Key professing in log

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This makes it easier to debug crypto algorithm selection for 4-way
handshake related functions.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2017-03-12 19:43:39 +02:00
parent ef23838590
commit ef9627cbc7
3 changed files with 61 additions and 15 deletions
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9
src/rsn_supp/wpa.c
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@ -51,6 +51,9 @@ int wpa_eapol_key_send(struct wpa_sm *sm, struct wpa_ptk *ptk,
int ret = -1;
size_t mic_len = wpa_mic_len(sm->key_mgmt);
wpa_printf(MSG_DEBUG, "WPA: Send EAPOL-Key frame to " MACSTR
" ver=%d mic_len=%d key_mgmt=0x%x",
MAC2STR(dest), ver, (int) mic_len, sm->key_mgmt);
if (is_zero_ether_addr(dest) && is_zero_ether_addr(sm->bssid)) {
/*
* Association event was not yet received; try to fetch
@ -1720,6 +1723,8 @@ static int wpa_supplicant_decrypt_key_data(struct wpa_sm *sm,
return -1;
#else /* CONFIG_NO_RC4 */
u8 ek[32];
wpa_printf(MSG_DEBUG, "WPA: Decrypt Key Data using RC4");
os_memcpy(ek, key->key_iv, 16);
os_memcpy(ek + 16, sm->ptk.kek, sm->ptk.kek_len);
if (rc4_skip(ek, 32, 256, key_data, *key_data_len)) {
@ -1735,6 +1740,10 @@ static int wpa_supplicant_decrypt_key_data(struct wpa_sm *sm,
sm->key_mgmt == WPA_KEY_MGMT_OSEN ||
wpa_key_mgmt_suite_b(sm->key_mgmt)) {
u8 *buf;
wpa_printf(MSG_DEBUG,
"WPA: Decrypt Key Data using AES-UNWRAP (KEK length %u)",
(unsigned int) sm->ptk.kek_len);
if (*key_data_len < 8 || *key_data_len % 8) {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: Unsupported AES-WRAP len %u",