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authorJouni Malinen <j@w1.fi>2015-01-25 21:32:01 (GMT)
committerJouni Malinen <j@w1.fi>2015-01-26 23:43:52 (GMT)
commit5e3b5197cc37a7a85613f6ba5f7041342cd66511 (patch)
treefa00aeb63542b55a5a63a7007790aa5f0b6b0eaf /src
parent97ae35a8487cb696f4ca1bf6c51e8aebb805df1b (diff)
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Add Suite B 192-bit AKM
WPA-EAP-SUITE-B-192 can now be used to select 192-bit level Suite B into use as the key management method. Signed-off-by: Jouni Malinen <j@w1.fi>
Diffstat (limited to 'src')
-rw-r--r--src/ap/pmksa_cache_auth.c6
-rw-r--r--src/ap/wpa_auth.c99
-rw-r--r--src/ap/wpa_auth_ie.c11
-rw-r--r--src/common/defs.h14
-rw-r--r--src/common/ieee802_11_defs.h3
-rw-r--r--src/common/wpa_common.c61
-rw-r--r--src/common/wpa_common.h36
-rw-r--r--src/drivers/driver_nl80211.c6
-rw-r--r--src/rsn_supp/peerkey.c10
-rw-r--r--src/rsn_supp/peerkey.h2
-rw-r--r--src/rsn_supp/pmksa_cache.c6
-rw-r--r--src/rsn_supp/preauth.c5
-rw-r--r--src/rsn_supp/wpa.c132
-rw-r--r--src/rsn_supp/wpa_ie.c4
14 files changed, 300 insertions, 95 deletions
diff --git a/src/ap/pmksa_cache_auth.c b/src/ap/pmksa_cache_auth.c
index 650e9a8..877affe 100644
--- a/src/ap/pmksa_cache_auth.c
+++ b/src/ap/pmksa_cache_auth.c
@@ -1,6 +1,6 @@
/*
* hostapd - PMKSA cache for IEEE 802.11i RSN
- * Copyright (c) 2004-2008, 2012, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2008, 2012-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@@ -269,7 +269,9 @@ pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa,
return NULL;
os_memcpy(entry->pmk, pmk, pmk_len);
entry->pmk_len = pmk_len;
- if (wpa_key_mgmt_suite_b(akmp))
+ if (akmp == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
+ rsn_pmkid_suite_b_192(kck, kck_len, aa, spa, entry->pmkid);
+ else if (wpa_key_mgmt_suite_b(akmp))
rsn_pmkid_suite_b(kck, kck_len, aa, spa, entry->pmkid);
else
rsn_pmkid(pmk, pmk_len, aa, spa, entry->pmkid,
diff --git a/src/ap/wpa_auth.c b/src/ap/wpa_auth.c
index ece949a..1905dc9 100644
--- a/src/ap/wpa_auth.c
+++ b/src/ap/wpa_auth.c
@@ -849,34 +849,45 @@ void wpa_receive(struct wpa_authenticator *wpa_auth,
{
struct ieee802_1x_hdr *hdr;
struct wpa_eapol_key *key;
+ struct wpa_eapol_key_192 *key192;
u16 key_info, key_data_length;
enum { PAIRWISE_2, PAIRWISE_4, GROUP_2, REQUEST,
SMK_M1, SMK_M3, SMK_ERROR } msg;
char *msgtxt;
struct wpa_eapol_ie_parse kde;
int ft;
- const u8 *eapol_key_ie;
- size_t eapol_key_ie_len;
+ const u8 *eapol_key_ie, *key_data;
+ size_t eapol_key_ie_len, keyhdrlen, mic_len;
if (wpa_auth == NULL || !wpa_auth->conf.wpa || sm == NULL)
return;
- if (data_len < sizeof(*hdr) + sizeof(*key))
+ mic_len = wpa_mic_len(sm->wpa_key_mgmt);
+ keyhdrlen = mic_len == 24 ? sizeof(*key192) : sizeof(*key);
+
+ if (data_len < sizeof(*hdr) + keyhdrlen)
return;
hdr = (struct ieee802_1x_hdr *) data;
key = (struct wpa_eapol_key *) (hdr + 1);
+ key192 = (struct wpa_eapol_key_192 *) (hdr + 1);
key_info = WPA_GET_BE16(key->key_info);
- key_data_length = WPA_GET_BE16(key->key_data_length);
+ if (mic_len == 24) {
+ key_data = (const u8 *) (key192 + 1);
+ key_data_length = WPA_GET_BE16(key192->key_data_length);
+ } else {
+ key_data = (const u8 *) (key + 1);
+ key_data_length = WPA_GET_BE16(key->key_data_length);
+ }
wpa_printf(MSG_DEBUG, "WPA: Received EAPOL-Key from " MACSTR
" key_info=0x%x type=%u key_data_length=%u",
MAC2STR(sm->addr), key_info, key->type, key_data_length);
- if (key_data_length > data_len - sizeof(*hdr) - sizeof(*key)) {
+ if (key_data_length > data_len - sizeof(*hdr) - keyhdrlen) {
wpa_printf(MSG_INFO, "WPA: Invalid EAPOL-Key frame - "
"key_data overflow (%d > %lu)",
key_data_length,
(unsigned long) (data_len - sizeof(*hdr) -
- sizeof(*key)));
+ keyhdrlen));
return;
}
@@ -1083,8 +1094,7 @@ continue_processing:
wpa_sta_disconnect(wpa_auth, sm->addr);
return;
}
- if (wpa_parse_kde_ies((u8 *) (key + 1), key_data_length,
- &kde) < 0) {
+ if (wpa_parse_kde_ies(key_data, key_data_length, &kde) < 0) {
wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_INFO,
"received EAPOL-Key msg 2/4 with "
"invalid Key Data contents");
@@ -1241,8 +1251,7 @@ continue_processing:
*/
if (msg == SMK_ERROR) {
#ifdef CONFIG_PEERKEY
- wpa_smk_error(wpa_auth, sm, (const u8 *) (key + 1),
- key_data_length);
+ wpa_smk_error(wpa_auth, sm, key_data, key_data_length);
#endif /* CONFIG_PEERKEY */
return;
} else if (key_info & WPA_KEY_INFO_ERROR) {
@@ -1257,12 +1266,12 @@ continue_processing:
wpa_request_new_ptk(sm);
#ifdef CONFIG_PEERKEY
} else if (msg == SMK_M1) {
- wpa_smk_m1(wpa_auth, sm, key, (const u8 *) (key + 1),
+ wpa_smk_m1(wpa_auth, sm, key, key_data,
key_data_length);
#endif /* CONFIG_PEERKEY */
} else if (key_data_length > 0 &&
- wpa_parse_kde_ies((const u8 *) (key + 1),
- key_data_length, &kde) == 0 &&
+ wpa_parse_kde_ies(key_data, key_data_length,
+ &kde) == 0 &&
kde.mac_addr) {
} else {
wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
@@ -1300,8 +1309,7 @@ continue_processing:
#ifdef CONFIG_PEERKEY
if (msg == SMK_M3) {
- wpa_smk_m3(wpa_auth, sm, key, (const u8 *) (key + 1),
- key_data_length);
+ wpa_smk_m3(wpa_auth, sm, key, key_data, key_data_length);
return;
}
#endif /* CONFIG_PEERKEY */
@@ -1376,14 +1384,19 @@ void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
{
struct ieee802_1x_hdr *hdr;
struct wpa_eapol_key *key;
- size_t len;
+ struct wpa_eapol_key_192 *key192;
+ size_t len, mic_len, keyhdrlen;
int alg;
int key_data_len, pad_len = 0;
u8 *buf, *pos;
int version, pairwise;
int i;
+ u8 *key_data;
- len = sizeof(struct ieee802_1x_hdr) + sizeof(struct wpa_eapol_key);
+ mic_len = wpa_mic_len(sm->wpa_key_mgmt);
+ keyhdrlen = mic_len == 24 ? sizeof(*key192) : sizeof(*key);
+
+ len = sizeof(struct ieee802_1x_hdr) + keyhdrlen;
if (force_version)
version = force_version;
@@ -1430,6 +1443,8 @@ void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
hdr->type = IEEE802_1X_TYPE_EAPOL_KEY;
hdr->length = host_to_be16(len - sizeof(*hdr));
key = (struct wpa_eapol_key *) (hdr + 1);
+ key192 = (struct wpa_eapol_key_192 *) (hdr + 1);
+ key_data = ((u8 *) (hdr + 1)) + keyhdrlen;
key->type = sm->wpa == WPA_VERSION_WPA2 ?
EAPOL_KEY_TYPE_RSN : EAPOL_KEY_TYPE_WPA;
@@ -1466,8 +1481,11 @@ void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
os_memcpy(key->key_rsc, key_rsc, WPA_KEY_RSC_LEN);
if (kde && !encr) {
- os_memcpy(key + 1, kde, kde_len);
- WPA_PUT_BE16(key->key_data_length, kde_len);
+ os_memcpy(key_data, kde, kde_len);
+ if (mic_len == 24)
+ WPA_PUT_BE16(key192->key_data_length, kde_len);
+ else
+ WPA_PUT_BE16(key->key_data_length, kde_len);
} else if (encr && kde) {
buf = os_zalloc(key_data_len);
if (buf == NULL) {
@@ -1488,13 +1506,17 @@ void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
wpa_key_mgmt_suite_b(sm->wpa_key_mgmt) ||
version == WPA_KEY_INFO_TYPE_AES_128_CMAC) {
if (aes_wrap(sm->PTK.kek, sm->PTK.kek_len,
- (key_data_len - 8) / 8, buf,
- (u8 *) (key + 1))) {
+ (key_data_len - 8) / 8, buf, key_data)) {
os_free(hdr);
os_free(buf);
return;
}
- WPA_PUT_BE16(key->key_data_length, key_data_len);
+ if (mic_len == 24)
+ WPA_PUT_BE16(key192->key_data_length,
+ key_data_len);
+ else
+ WPA_PUT_BE16(key->key_data_length,
+ key_data_len);
} else if (sm->PTK.kek_len == 16) {
u8 ek[32];
os_memcpy(key->key_iv,
@@ -1502,9 +1524,14 @@ void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
inc_byte_array(sm->group->Counter, WPA_NONCE_LEN);
os_memcpy(ek, key->key_iv, 16);
os_memcpy(ek + 16, sm->PTK.kek, sm->PTK.kek_len);
- os_memcpy(key + 1, buf, key_data_len);
- rc4_skip(ek, 32, 256, (u8 *) (key + 1), key_data_len);
- WPA_PUT_BE16(key->key_data_length, key_data_len);
+ os_memcpy(key_data, buf, key_data_len);
+ rc4_skip(ek, 32, 256, key_data, key_data_len);
+ if (mic_len == 24)
+ WPA_PUT_BE16(key192->key_data_length,
+ key_data_len);
+ else
+ WPA_PUT_BE16(key->key_data_length,
+ key_data_len);
} else {
os_free(hdr);
os_free(buf);
@@ -1514,6 +1541,8 @@ void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
}
if (key_info & WPA_KEY_INFO_MIC) {
+ u8 *key_mic;
+
if (!sm->PTK_valid) {
wpa_auth_logger(wpa_auth, sm->addr, LOGGER_DEBUG,
"PTK not valid when sending EAPOL-Key "
@@ -1521,9 +1550,11 @@ void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
os_free(hdr);
return;
}
+
+ key_mic = key192->key_mic; /* same offset for key and key192 */
wpa_eapol_key_mic(sm->PTK.kck, sm->PTK.kck_len,
sm->wpa_key_mgmt, version,
- (u8 *) hdr, len, key->key_mic);
+ (u8 *) hdr, len, key_mic);
#ifdef CONFIG_TESTING_OPTIONS
if (!pairwise &&
wpa_auth->conf.corrupt_gtk_rekey_mic_probability > 0.0 &&
@@ -1531,7 +1562,7 @@ void __wpa_send_eapol(struct wpa_authenticator *wpa_auth,
wpa_auth->conf.corrupt_gtk_rekey_mic_probability) {
wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
"Corrupting group EAPOL-Key Key MIC");
- key->key_mic[0]++;
+ key_mic[0]++;
}
#endif /* CONFIG_TESTING_OPTIONS */
}
@@ -1580,25 +1611,27 @@ static int wpa_verify_key_mic(int akmp, struct wpa_ptk *PTK, u8 *data,
{
struct ieee802_1x_hdr *hdr;
struct wpa_eapol_key *key;
+ struct wpa_eapol_key_192 *key192;
u16 key_info;
int ret = 0;
u8 mic[WPA_EAPOL_KEY_MIC_MAX_LEN];
- size_t mic_len = 16;
+ size_t mic_len = wpa_mic_len(akmp);
if (data_len < sizeof(*hdr) + sizeof(*key))
return -1;
hdr = (struct ieee802_1x_hdr *) data;
key = (struct wpa_eapol_key *) (hdr + 1);
+ key192 = (struct wpa_eapol_key_192 *) (hdr + 1);
key_info = WPA_GET_BE16(key->key_info);
- os_memcpy(mic, key->key_mic, mic_len);
- os_memset(key->key_mic, 0, mic_len);
+ os_memcpy(mic, key192->key_mic, mic_len);
+ os_memset(key192->key_mic, 0, mic_len);
if (wpa_eapol_key_mic(PTK->kck, PTK->kck_len, akmp,
key_info & WPA_KEY_INFO_TYPE_MASK,
- data, data_len, key->key_mic) ||
- os_memcmp_const(mic, key->key_mic, mic_len) != 0)
+ data, data_len, key192->key_mic) ||
+ os_memcmp_const(mic, key192->key_mic, mic_len) != 0)
ret = -1;
- os_memcpy(key->key_mic, mic, mic_len);
+ os_memcpy(key192->key_mic, mic, mic_len);
return ret;
}
diff --git a/src/ap/wpa_auth_ie.c b/src/ap/wpa_auth_ie.c
index c926765..f287297 100644
--- a/src/ap/wpa_auth_ie.c
+++ b/src/ap/wpa_auth_ie.c
@@ -1,6 +1,6 @@
/*
* hostapd - WPA/RSN IE and KDE definitions
- * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@@ -205,6 +205,11 @@ int wpa_write_rsn_ie(struct wpa_auth_config *conf, u8 *buf, size_t len,
pos += RSN_SELECTOR_LEN;
num_suites++;
}
+ if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192);
+ pos += RSN_SELECTOR_LEN;
+ num_suites++;
+ }
#ifdef CONFIG_RSN_TESTING
if (rsn_testing) {
@@ -482,6 +487,8 @@ int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth,
selector = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
if (0) {
}
+ else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
+ selector = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B)
selector = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
#ifdef CONFIG_IEEE80211R
@@ -562,6 +569,8 @@ int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth,
}
if (0) {
}
+ else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
+ sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_SUITE_B_192;
else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B)
sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_SUITE_B;
#ifdef CONFIG_IEEE80211R
diff --git a/src/common/defs.h b/src/common/defs.h
index 2efb985..b5f4f80 100644
--- a/src/common/defs.h
+++ b/src/common/defs.h
@@ -1,6 +1,6 @@
/*
* WPA Supplicant - Common definitions
- * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@@ -50,6 +50,7 @@ typedef enum { FALSE = 0, TRUE = 1 } Boolean;
#define WPA_KEY_MGMT_CCKM BIT(14)
#define WPA_KEY_MGMT_OSEN BIT(15)
#define WPA_KEY_MGMT_IEEE8021X_SUITE_B BIT(16)
+#define WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 BIT(17)
static inline int wpa_key_mgmt_wpa_ieee8021x(int akm)
{
@@ -58,7 +59,8 @@ static inline int wpa_key_mgmt_wpa_ieee8021x(int akm)
WPA_KEY_MGMT_CCKM |
WPA_KEY_MGMT_OSEN |
WPA_KEY_MGMT_IEEE8021X_SHA256 |
- WPA_KEY_MGMT_IEEE8021X_SUITE_B));
+ WPA_KEY_MGMT_IEEE8021X_SUITE_B |
+ WPA_KEY_MGMT_IEEE8021X_SUITE_B_192));
}
static inline int wpa_key_mgmt_wpa_psk(int akm)
@@ -91,9 +93,15 @@ static inline int wpa_key_mgmt_sha256(int akm)
WPA_KEY_MGMT_IEEE8021X_SUITE_B));
}
+static inline int wpa_key_mgmt_sha384(int akm)
+{
+ return !!(akm & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192);
+}
+
static inline int wpa_key_mgmt_suite_b(int akm)
{
- return !!(akm & WPA_KEY_MGMT_IEEE8021X_SUITE_B);
+ return !!(akm & (WPA_KEY_MGMT_IEEE8021X_SUITE_B |
+ WPA_KEY_MGMT_IEEE8021X_SUITE_B_192));
}
static inline int wpa_key_mgmt_wpa(int akm)
diff --git a/src/common/ieee802_11_defs.h b/src/common/ieee802_11_defs.h
index 803b8cc..97a4537 100644
--- a/src/common/ieee802_11_defs.h
+++ b/src/common/ieee802_11_defs.h
@@ -1,6 +1,6 @@
/*
* IEEE 802.11 Frame type definitions
- * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
* Copyright (c) 2007-2008 Intel Corporation
*
* This software may be distributed under the terms of the BSD license.
@@ -1192,6 +1192,7 @@ enum plink_action_field {
#define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05
#define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06
#define WLAN_AKM_SUITE_8021X_SUITE_B 0x000FAC11
+#define WLAN_AKM_SUITE_8021X_SUITE_B_192 0x000FAC12
#define WLAN_AKM_SUITE_CCKM 0x00409600
#define WLAN_AKM_SUITE_OSEN 0x506f9a01
diff --git a/src/common/wpa_common.c b/src/common/wpa_common.c
index d4a17a1..de81d53 100644
--- a/src/common/wpa_common.c
+++ b/src/common/wpa_common.c
@@ -12,6 +12,7 @@
#include "crypto/md5.h"
#include "crypto/sha1.h"
#include "crypto/sha256.h"
+#include "crypto/sha384.h"
#include "crypto/aes_wrap.h"
#include "crypto/crypto.h"
#include "ieee802_11_defs.h"
@@ -21,12 +22,24 @@
static unsigned int wpa_kck_len(int akmp)
{
+ if (akmp == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
+ return 24;
return 16;
}
static unsigned int wpa_kek_len(int akmp)
{
+ if (akmp == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
+ return 32;
+ return 16;
+}
+
+
+unsigned int wpa_mic_len(int akmp)
+{
+ if (akmp == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
+ return 24;
return 16;
}
@@ -54,7 +67,7 @@ static unsigned int wpa_kek_len(int akmp)
int wpa_eapol_key_mic(const u8 *key, size_t key_len, int akmp, int ver,
const u8 *buf, size_t len, u8 *mic)
{
- u8 hash[SHA256_MAC_LEN];
+ u8 hash[SHA384_MAC_LEN];
switch (ver) {
#ifndef CONFIG_FIPS
@@ -83,6 +96,13 @@ int wpa_eapol_key_mic(const u8 *key, size_t key_len, int akmp, int ver,
os_memcpy(mic, hash, MD5_MAC_LEN);
break;
#endif /* CONFIG_SUITEB */
+#ifdef CONFIG_SUITEB192
+ case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
+ if (hmac_sha384(key, key_len, buf, len, hash))
+ return -1;
+ os_memcpy(mic, hash, 24);
+ break;
+#endif /* CONFIG_SUITEB192 */
default:
return -1;
}
@@ -452,6 +472,8 @@ static int rsn_key_mgmt_to_bitfield(const u8 *s)
#endif /* CONFIG_SAE */
if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_802_1X_SUITE_B)
return WPA_KEY_MGMT_IEEE8021X_SUITE_B;
+ if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192)
+ return WPA_KEY_MGMT_IEEE8021X_SUITE_B_192;
return 0;
}
@@ -1034,6 +1056,39 @@ int rsn_pmkid_suite_b(const u8 *kck, size_t kck_len, const u8 *aa,
#endif /* CONFIG_SUITEB */
+#ifdef CONFIG_SUITEB192
+/**
+ * rsn_pmkid_suite_b_192 - Calculate PMK identifier for Suite B AKM
+ * @kck: Key confirmation key
+ * @kck_len: Length of kck in bytes
+ * @aa: Authenticator address
+ * @spa: Supplicant address
+ * @pmkid: Buffer for PMKID
+ * Returns: 0 on success, -1 on failure
+ *
+ * IEEE Std 802.11ac-2013 - 11.6.1.3 Pairwise key hierarchy
+ * PMKID = Truncate(HMAC-SHA-384(KCK, "PMK Name" || AA || SPA))
+ */
+int rsn_pmkid_suite_b_192(const u8 *kck, size_t kck_len, const u8 *aa,
+ const u8 *spa, u8 *pmkid)
+{
+ char *title = "PMK Name";
+ const u8 *addr[3];
+ const size_t len[3] = { 8, ETH_ALEN, ETH_ALEN };
+ unsigned char hash[SHA384_MAC_LEN];
+
+ addr[0] = (u8 *) title;
+ addr[1] = aa;
+ addr[2] = spa;
+
+ if (hmac_sha384_vector(kck, kck_len, 3, addr, len, hash) < 0)
+ return -1;
+ os_memcpy(pmkid, hash, PMKID_LEN);
+ return 0;
+}
+#endif /* CONFIG_SUITEB192 */
+
+
/**
* wpa_cipher_txt - Convert cipher suite to a text string
* @cipher: Cipher suite (WPA_CIPHER_* enum)
@@ -1113,6 +1168,8 @@ const char * wpa_key_mgmt_txt(int key_mgmt, int proto)
return "OSEN";
case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
return "WPA2-EAP-SUITE-B";
+ case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
+ return "WPA2-EAP-SUITE-B-192";
default:
return "UNKNOWN";
}
@@ -1141,6 +1198,8 @@ u32 wpa_akm_to_suite(int akm)
return WLAN_AKM_SUITE_OSEN;
if (akm & WPA_KEY_MGMT_IEEE8021X_SUITE_B)
return WLAN_AKM_SUITE_8021X_SUITE_B;
+ if (akm & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
+ return WLAN_AKM_SUITE_8021X_SUITE_B_192;
return 0;
}
diff --git a/src/common/wpa_common.h b/src/common/wpa_common.h
index ddb4a09..091e317 100644
--- a/src/common/wpa_common.h
+++ b/src/common/wpa_common.h
@@ -63,8 +63,8 @@ WPA_CIPHER_GTK_NOT_USED)
#define RSN_AUTH_KEY_MGMT_SAE RSN_SELECTOR(0x00, 0x0f, 0xac, 8)
#define RSN_AUTH_KEY_MGMT_FT_SAE RSN_SELECTOR(0x00, 0x0f, 0xac, 9)
#define RSN_AUTH_KEY_MGMT_802_1X_SUITE_B RSN_SELECTOR(0x00, 0x0f, 0xac, 11)
-#define RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_384 RSN_SELECTOR(0x00, 0x0f, 0xac, 12)
-#define RSN_AUTH_KEY_MGMT_FT_802_1X_SUITE_B_384 \
+#define RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192 RSN_SELECTOR(0x00, 0x0f, 0xac, 12)
+#define RSN_AUTH_KEY_MGMT_FT_802_1X_SUITE_B_192 \
RSN_SELECTOR(0x00, 0x0f, 0xac, 13)
#define RSN_AUTH_KEY_MGMT_CCKM RSN_SELECTOR(0x00, 0x40, 0x96, 0x00)
#define RSN_AUTH_KEY_MGMT_OSEN RSN_SELECTOR(0x50, 0x6f, 0x9a, 0x01)
@@ -191,9 +191,24 @@ struct wpa_eapol_key {
/* followed by key_data_length bytes of key_data */
} STRUCT_PACKED;
-#define WPA_EAPOL_KEY_MIC_MAX_LEN 16
-#define WPA_KCK_MAX_LEN 16
-#define WPA_KEK_MAX_LEN 16
+struct wpa_eapol_key_192 {
+ u8 type;
+ /* Note: key_info, key_length, and key_data_length are unaligned */
+ u8 key_info[2]; /* big endian */
+ u8 key_length[2]; /* big endian */
+ u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
+ u8 key_nonce[WPA_NONCE_LEN];
+ u8 key_iv[16];
+ u8 key_rsc[WPA_KEY_RSC_LEN];
+ u8 key_id[8]; /* Reserved in IEEE 802.11i/RSN */
+ u8 key_mic[24];
+ u8 key_data_length[2]; /* big endian */
+ /* followed by key_data_length bytes of key_data */
+} STRUCT_PACKED;
+
+#define WPA_EAPOL_KEY_MIC_MAX_LEN 24
+#define WPA_KCK_MAX_LEN 24
+#define WPA_KEK_MAX_LEN 32
#define WPA_TK_MAX_LEN 32
/**
@@ -386,6 +401,16 @@ static inline int rsn_pmkid_suite_b(const u8 *kck, size_t kck_len, const u8 *aa,
return -1;
}
#endif /* CONFIG_SUITEB */
+#ifdef CONFIG_SUITEB192
+int rsn_pmkid_suite_b_192(const u8 *kck, size_t kck_len, const u8 *aa,
+ const u8 *spa, u8 *pmkid);
+#else /* CONFIG_SUITEB192 */
+static inline int rsn_pmkid_suite_b_192(const u8 *kck, size_t kck_len,
+ const u8 *aa, const u8 *spa, u8 *pmkid)
+{
+ return -1;
+}
+#endif /* CONFIG_SUITEB192 */
const char * wpa_cipher_txt(int cipher);
const char * wpa_key_mgmt_txt(int key_mgmt, int proto);
@@ -431,5 +456,6 @@ int wpa_pick_group_cipher(int ciphers);
int wpa_parse_cipher(const char *value);
int wpa_write_ciphers(char *start, char *end, int ciphers, const char *delim);
int wpa_select_ap_group_cipher(int wpa, int wpa_pairwise, int rsn_pairwise);
+unsigned int wpa_mic_len(int akmp);
#endif /* WPA_COMMON_H */
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index ea52575..ed2f171 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -4463,7 +4463,8 @@ static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
- params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
+ params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
+ params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
int mgmt = WLAN_AKM_SUITE_PSK;
switch (params->key_mgmt_suite) {
@@ -4491,6 +4492,9 @@ static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
break;
+ case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
+ mgmt = WLAN_AKM_SUITE_8021X_SUITE_B_192;
+ break;
case WPA_KEY_MGMT_PSK:
default:
mgmt = WLAN_AKM_SUITE_PSK;
diff --git a/src/rsn_supp/peerkey.c b/src/rsn_supp/peerkey.c
index 43d3af6..79764d9 100644
--- a/src/rsn_supp/peerkey.c
+++ b/src/rsn_supp/peerkey.c
@@ -65,6 +65,7 @@ static int wpa_supplicant_send_smk_error(struct wpa_sm *sm, const u8 *dst,
{
size_t rlen;
struct wpa_eapol_key *err;
+ struct wpa_eapol_key_192 *err192;
struct rsn_error_kde error;
u8 *rbuf, *pos;
size_t kde_len;
@@ -79,6 +80,7 @@ static int wpa_supplicant_send_smk_error(struct wpa_sm *sm, const u8 *dst,
(void *) &err);
if (rbuf == NULL)
return -1;
+ err192 = (struct wpa_eapol_key_192 *) err;
err->type = EAPOL_KEY_TYPE_RSN;
key_info = ver | WPA_KEY_INFO_SMK_MESSAGE | WPA_KEY_INFO_MIC |
@@ -113,7 +115,7 @@ static int wpa_supplicant_send_smk_error(struct wpa_sm *sm, const u8 *dst,
}
wpa_eapol_key_send(sm, sm->ptk.kck, sm->ptk.kck_len, ver, dst,
- ETH_P_EAPOL, rbuf, rlen, err->key_mic);
+ ETH_P_EAPOL, rbuf, rlen, err192->key_mic);
return 0;
}
@@ -126,6 +128,7 @@ static int wpa_supplicant_send_smk_m3(struct wpa_sm *sm,
{
size_t rlen;
struct wpa_eapol_key *reply;
+ struct wpa_eapol_key_192 *reply192;
u8 *rbuf, *pos;
size_t kde_len;
u16 key_info;
@@ -140,6 +143,7 @@ static int wpa_supplicant_send_smk_m3(struct wpa_sm *sm,
(void *) &reply);
if (rbuf == NULL)
return -1;
+ reply192 = (struct wpa_eapol_key_192 *) reply;
reply->type = EAPOL_KEY_TYPE_RSN;
key_info = ver | WPA_KEY_INFO_SMK_MESSAGE | WPA_KEY_INFO_MIC |
@@ -165,7 +169,7 @@ static int wpa_supplicant_send_smk_m3(struct wpa_sm *sm,
wpa_printf(MSG_DEBUG, "RSN: Sending EAPOL-Key SMK M3");
wpa_eapol_key_send(sm, sm->ptk.kck, sm->ptk.kck_len, ver, src_addr,
- ETH_P_EAPOL, rbuf, rlen, reply->key_mic);
+ ETH_P_EAPOL, rbuf, rlen, reply192->key_mic);
return 0;
}
@@ -907,7 +911,7 @@ static void wpa_supplicant_process_stk_4_of_4(struct wpa_sm *sm,
*/
int peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
struct wpa_peerkey *peerkey,
- struct wpa_eapol_key *key, u16 ver,
+ struct wpa_eapol_key_192 *key, u16 ver,
const u8 *buf, size_t len)
{
u8 mic[WPA_EAPOL_KEY_MIC_MAX_LEN];
diff --git a/src/rsn_supp/peerkey.h b/src/rsn_supp/peerkey.h
index f3d07f3..6ccd948 100644
--- a/src/rsn_supp/peerkey.h
+++ b/src/rsn_supp/peerkey.h
@@ -38,7 +38,7 @@ struct wpa_peerkey {
int peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
struct wpa_peerkey *peerkey,
- struct wpa_eapol_key *key, u16 ver,
+ struct wpa_eapol_key_192 *key, u16 ver,
const u8 *buf, size_t len);
void peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
struct wpa_eapol_key *key, u16 key_info, u16 ver,
diff --git a/src/rsn_supp/pmksa_cache.c b/src/rsn_supp/pmksa_cache.c
index 8af04d0..ef7b683 100644
--- a/src/rsn_supp/pmksa_cache.c
+++ b/src/rsn_supp/pmksa_cache.c
@@ -1,6 +1,6 @@
/*
* WPA Supplicant - RSN PMKSA cache
- * Copyright (c) 2004-2009, 2011-2012, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2009, 2011-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@@ -141,7 +141,9 @@ pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,
return NULL;
os_memcpy(entry->pmk, pmk, pmk_len);
entry->pmk_len = pmk_len;
- if (wpa_key_mgmt_suite_b(akmp))
+ if (akmp == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
+ rsn_pmkid_suite_b_192(kck, kck_len, aa, spa, entry->pmkid);
+ else if (wpa_key_mgmt_suite_b(akmp))
rsn_pmkid_suite_b(kck, kck_len, aa, spa, entry->pmkid);
else
rsn_pmkid(pmk, pmk_len, aa, spa, entry->pmkid,
diff --git a/src/rsn_supp/preauth.c b/src/rsn_supp/preauth.c
index af0e108..6356912 100644
--- a/src/rsn_supp/preauth.c
+++ b/src/rsn_supp/preauth.c
@@ -1,6 +1,6 @@
/*
* RSN pre-authentication (supplicant)
- * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@@ -300,7 +300,8 @@ void rsn_preauth_candidate_process(struct wpa_sm *sm)
wpa_sm_get_state(sm) != WPA_COMPLETED ||
(sm->key_mgmt != WPA_KEY_MGMT_IEEE8021X &&
sm->key_mgmt != WPA_KEY_MGMT_IEEE8021X_SHA256 &&
- sm->key_mgmt != WPA_KEY_MGMT_IEEE8021X_SUITE_B)) {
+ sm->key_mgmt != WPA_KEY_MGMT_IEEE8021X_SUITE_B &&
+ sm->key_mgmt != WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)) {
wpa_msg(sm->ctx->msg_ctx, MSG_DEBUG, "RSN: not in suitable "
"state for new pre-authentication");
return; /* invalid state for new pre-auth */
diff --git a/src/rsn_supp/wpa.c b/src/rsn_supp/wpa.c
index 078e9a0..b892a66 100644
--- a/src/rsn_supp/wpa.c
+++ b/src/rsn_supp/wpa.c
@@ -39,7 +39,7 @@ void wpa_eapol_key_send(struct wpa_sm *sm, const u8 *kck, size_t kck_len,
int ver, const u8 *dest, u16 proto,
u8 *msg, size_t msg_len, u8 *key_mic)
{
- size_t mic_len = 16;
+ size_t mic_len = wpa_mic_len(sm->key_mgmt);
if (is_zero_ether_addr(dest) && is_zero_ether_addr(sm->bssid)) {
/*
@@ -88,10 +88,11 @@ out:
*/
void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise)
{
- size_t rlen;
+ size_t mic_len, hdrlen, rlen;
struct wpa_eapol_key *reply;
+ struct wpa_eapol_key_192 *reply192;
int key_info, ver;
- u8 bssid[ETH_ALEN], *rbuf;
+ u8 bssid[ETH_ALEN], *rbuf, *key_mic;
if (sm->key_mgmt == WPA_KEY_MGMT_OSEN ||
wpa_key_mgmt_suite_b(sm->key_mgmt))
@@ -110,10 +111,13 @@ void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise)
return;
}
+ mic_len = wpa_mic_len(sm->key_mgmt);
+ hdrlen = mic_len == 24 ? sizeof(*reply192) : sizeof(*reply);
rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY, NULL,
- sizeof(*reply), &rlen, (void *) &reply);
+ hdrlen, &rlen, (void *) &reply);
if (rbuf == NULL)
return;
+ reply192 = (struct wpa_eapol_key_192 *) reply;
reply->type = (sm->proto == WPA_PROTO_RSN ||
sm->proto == WPA_PROTO_OSEN) ?
@@ -131,15 +135,21 @@ void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise)
WPA_REPLAY_COUNTER_LEN);
inc_byte_array(sm->request_counter, WPA_REPLAY_COUNTER_LEN);
- WPA_PUT_BE16(reply->key_data_length, 0);
+ if (mic_len == 24)
+ WPA_PUT_BE16(reply192->key_data_length, 0);
+ else
+ WPA_PUT_BE16(reply->key_data_length, 0);
+ if (!(key_info & WPA_KEY_INFO_MIC))
+ key_mic = NULL;
+ else
+ key_mic = reply192->key_mic; /* same offset in reply */
wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
"WPA: Sending EAPOL-Key Request (error=%d "
"pairwise=%d ptk_set=%d len=%lu)",
error, pairwise, sm->ptk_set, (unsigned long) rlen);
wpa_eapol_key_send(sm, sm->ptk.kck, sm->ptk.kck_len, ver, bssid,
- ETH_P_EAPOL, rbuf, rlen,
- key_info & WPA_KEY_INFO_MIC ? reply->key_mic : NULL);
+ ETH_P_EAPOL, rbuf, rlen, key_mic);
}
@@ -305,9 +315,10 @@ int wpa_supplicant_send_2_of_4(struct wpa_sm *sm, const unsigned char *dst,
const u8 *wpa_ie, size_t wpa_ie_len,
struct wpa_ptk *ptk)
{
- size_t rlen;
+ size_t mic_len, hdrlen, rlen;
struct wpa_eapol_key *reply;
- u8 *rbuf;
+ struct wpa_eapol_key_192 *reply192;
+ u8 *rbuf, *key_mic;
u8 *rsn_ie_buf = NULL;
if (wpa_ie == NULL) {
@@ -349,13 +360,16 @@ int wpa_supplicant_send_2_of_4(struct wpa_sm *sm, const unsigned char *dst,
wpa_hexdump(MSG_DEBUG, "WPA: WPA IE for msg 2/4", wpa_ie, wpa_ie_len);
+ mic_len = wpa_mic_len(sm->key_mgmt);
+ hdrlen = mic_len == 24 ? sizeof(*reply192) : sizeof(*reply);
rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY,
- NULL, sizeof(*reply) + wpa_ie_len,
+ NULL, hdrlen + wpa_ie_len,
&rlen, (void *) &reply);
if (rbuf == NULL) {
os_free(rsn_ie_buf);
return -1;
}
+ reply192 = (struct wpa_eapol_key_192 *) reply;
reply->type = (sm->proto == WPA_PROTO_RSN ||
sm->proto == WPA_PROTO_OSEN) ?
@@ -371,15 +385,21 @@ int wpa_supplicant_send_2_of_4(struct wpa_sm *sm, const unsigned char *dst,
wpa_hexdump(MSG_DEBUG, "WPA: Replay Counter", reply->replay_counter,
WPA_REPLAY_COUNTER_LEN);
- WPA_PUT_BE16(reply->key_data_length, wpa_ie_len);
- os_memcpy(reply + 1, wpa_ie, wpa_ie_len);
+ key_mic = reply192->key_mic; /* same offset for reply and reply192 */
+ if (mic_len == 24) {
+ WPA_PUT_BE16(reply192->key_data_length, wpa_ie_len);
+ os_memcpy(reply192 + 1, wpa_ie, wpa_ie_len);
+ } else {
+ WPA_PUT_BE16(reply->key_data_length, wpa_ie_len);
+ os_memcpy(reply + 1, wpa_ie, wpa_ie_len);
+ }
os_free(rsn_ie_buf);
os_memcpy(reply->key_nonce, nonce, WPA_NONCE_LEN);
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Sending EAPOL-Key 2/4");
wpa_eapol_key_send(sm, ptk->kck, ptk->kck_len, ver, dst, ETH_P_EAPOL,
- rbuf, rlen, reply->key_mic);
+ rbuf, rlen, key_mic);
return 0;
}
@@ -1062,14 +1082,18 @@ int wpa_supplicant_send_4_of_4(struct wpa_sm *sm, const unsigned char *dst,
u16 ver, u16 key_info,
struct wpa_ptk *ptk)
{
- size_t rlen;
+ size_t mic_len, hdrlen, rlen;
struct wpa_eapol_key *reply;
- u8 *rbuf;
+ struct wpa_eapol_key_192 *reply192;
+ u8 *rbuf, *key_mic;
+ mic_len = wpa_mic_len(sm->key_mgmt);
+ hdrlen = mic_len == 24 ? sizeof(*reply192) : sizeof(*reply);
rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY, NULL,
- sizeof(*reply), &rlen, (void *) &reply);
+ hdrlen, &rlen, (void *) &reply);
if (rbuf == NULL)
return -1;
+ reply192 = (struct wpa_eapol_key_192 *) reply;
reply->type = (sm->proto == WPA_PROTO_RSN ||
sm->proto == WPA_PROTO_OSEN) ?
@@ -1084,11 +1108,15 @@ int wpa_supplicant_send_4_of_4(struct wpa_sm *sm, const unsigned char *dst,
os_memcpy(reply->replay_counter, key->replay_counter,
WPA_REPLAY_COUNTER_LEN);
- WPA_PUT_BE16(reply->key_data_length, 0);
+ key_mic = reply192->key_mic; /* same offset for reply and reply192 */
+ if (mic_len == 24)
+ WPA_PUT_BE16(reply192->key_data_length, 0);
+ else
+ WPA_PUT_BE16(reply->key_data_length, 0);
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Sending EAPOL-Key 4/4");
wpa_eapol_key_send(sm, ptk->kck, ptk->kck_len, ver, dst, ETH_P_EAPOL,
- rbuf, rlen, reply->key_mic);
+ rbuf, rlen, key_mic);
return 0;
}
@@ -1358,14 +1386,18 @@ static int wpa_supplicant_send_2_of_2(struct wpa_sm *sm,
const struct wpa_eapol_key *key,
int ver, u16 key_info)
{
- size_t rlen;
+ size_t mic_len, hdrlen, rlen;
struct wpa_eapol_key *reply;
- u8 *rbuf;
+ struct wpa_eapol_key_192 *reply192;
+ u8 *rbuf, *key_mic;
+ mic_len = wpa_mic_len(sm->key_mgmt);
+ hdrlen = mic_len == 24 ? sizeof(*reply192) : sizeof(*reply);
rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY, NULL,
- sizeof(*reply), &rlen, (void *) &reply);
+ hdrlen, &rlen, (void *) &reply);
if (rbuf == NULL)
return -1;
+ reply192 = (struct wpa_eapol_key_192 *) reply;
reply->type = (sm->proto == WPA_PROTO_RSN ||
sm->proto == WPA_PROTO_OSEN) ?
@@ -1380,11 +1412,15 @@ static int wpa_supplicant_send_2_of_2(struct wpa_sm *sm,
os_memcpy(reply->replay_counter, key->replay_counter,
WPA_REPLAY_COUNTER_LEN);
- WPA_PUT_BE16(reply->key_data_length, 0);
+ key_mic = reply192->key_mic; /* same offset for reply and reply192 */
+ if (mic_len == 24)
+ WPA_PUT_BE16(reply192->key_data_length, 0);
+ else
+ WPA_PUT_BE16(reply->key_data_length, 0);
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Sending EAPOL-Key 2/2");
wpa_eapol_key_send(sm, sm->ptk.kck, sm->ptk.kck_len, ver, sm->bssid,
- ETH_P_EAPOL, rbuf, rlen, reply->key_mic);
+ ETH_P_EAPOL, rbuf, rlen, key_mic);
return 0;
}
@@ -1451,13 +1487,13 @@ failed:
static int wpa_supplicant_verify_eapol_key_mic(struct wpa_sm *sm,
- struct wpa_eapol_key *key,
+ struct wpa_eapol_key_192 *key,
u16 ver,
const u8 *buf, size_t len)
{
u8 mic[WPA_EAPOL_KEY_MIC_MAX_LEN];
int ok = 0;
- size_t mic_len = 16;
+ size_t mic_len = wpa_mic_len(sm->key_mgmt);
os_memcpy(mic, key->key_mic, mic_len);
if (sm->tptk_set) {
@@ -1586,7 +1622,9 @@ void wpa_sm_aborted_cached(struct wpa_sm *sm)
static void wpa_eapol_key_dump(struct wpa_sm *sm,
- const struct wpa_eapol_key *key)
+ const struct wpa_eapol_key *key,
+ unsigned int key_data_len,
+ const u8 *mic, unsigned int mic_len)
{
#ifndef CONFIG_NO_STDOUT_DEBUG
u16 key_info = WPA_GET_BE16(key->key_info);
@@ -1608,15 +1646,14 @@ static void wpa_eapol_key_dump(struct wpa_sm *sm,
key_info & WPA_KEY_INFO_ENCR_KEY_DATA ? " Encr" : "");
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
" key_length=%u key_data_length=%u",
- WPA_GET_BE16(key->key_length),
- WPA_GET_BE16(key->key_data_length));
+ WPA_GET_BE16(key->key_length), key_data_len);
wpa_hexdump(MSG_DEBUG, " replay_counter",
key->replay_counter, WPA_REPLAY_COUNTER_LEN);
wpa_hexdump(MSG_DEBUG, " key_nonce", key->key_nonce, WPA_NONCE_LEN);
wpa_hexdump(MSG_DEBUG, " key_iv", key->key_iv, 16);
wpa_hexdump(MSG_DEBUG, " key_rsc", key->key_rsc, 8);
wpa_hexdump(MSG_DEBUG, " key_id (reserved)", key->key_id, 8);
- wpa_hexdump(MSG_DEBUG, " key_mic", key->key_mic, 16);
+ wpa_hexdump(MSG_DEBUG, " key_mic", mic, mic_len);
#endif /* CONFIG_NO_STDOUT_DEBUG */
}
@@ -1643,22 +1680,27 @@ int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
size_t plen, data_len, key_data_len;
const struct ieee802_1x_hdr *hdr;
struct wpa_eapol_key *key;
+ struct wpa_eapol_key_192 *key192;
u16 key_info, ver;
u8 *tmp = NULL;
int ret = -1;
struct wpa_peerkey *peerkey = NULL;
u8 *key_data;
+ size_t mic_len, keyhdrlen;
#ifdef CONFIG_IEEE80211R
sm->ft_completed = 0;
#endif /* CONFIG_IEEE80211R */
- if (len < sizeof(*hdr) + sizeof(*key)) {
+ mic_len = wpa_mic_len(sm->key_mgmt);
+ keyhdrlen = mic_len == 24 ? sizeof(*key192) : sizeof(*key);
+
+ if (len < sizeof(*hdr) + keyhdrlen) {
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
"WPA: EAPOL frame too short to be a WPA "
"EAPOL-Key (len %lu, expecting at least %lu)",
(unsigned long) len,
- (unsigned long) sizeof(*hdr) + sizeof(*key));
+ (unsigned long) sizeof(*hdr) + keyhdrlen);
return 0;
}
@@ -1680,7 +1722,7 @@ int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
goto out;
}
wpa_hexdump(MSG_MSGDUMP, "WPA: RX EAPOL-Key", buf, len);
- if (plen > len - sizeof(*hdr) || plen < sizeof(*key)) {
+ if (plen > len - sizeof(*hdr) || plen < keyhdrlen) {
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
"WPA: EAPOL frame payload size %lu "
"invalid (frame size %lu)",
@@ -1703,7 +1745,12 @@ int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
goto out;
os_memcpy(tmp, buf, data_len);
key = (struct wpa_eapol_key *) (tmp + sizeof(struct ieee802_1x_hdr));
- key_data = (u8 *) (key + 1);
+ key192 = (struct wpa_eapol_key_192 *)
+ (tmp + sizeof(struct ieee802_1x_hdr));
+ if (mic_len == 24)
+ key_data = (u8 *) (key192 + 1);
+ else
+ key_data = (u8 *) (key + 1);
if (key->type != EAPOL_KEY_TYPE_WPA && key->type != EAPOL_KEY_TYPE_RSN)
{
@@ -1713,14 +1760,18 @@ int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
ret = 0;
goto out;
}
- wpa_eapol_key_dump(sm, key);
- key_data_len = WPA_GET_BE16(key->key_data_length);
- if (key_data_len > plen - sizeof(struct wpa_eapol_key)) {
+ if (mic_len == 24)
+ key_data_len = WPA_GET_BE16(key192->key_data_length);
+ else
+ key_data_len = WPA_GET_BE16(key->key_data_length);
+ wpa_eapol_key_dump(sm, key, key_data_len, key192->key_mic, mic_len);
+
+ if (key_data_len > plen - keyhdrlen) {
wpa_msg(sm->ctx->msg_ctx, MSG_INFO, "WPA: Invalid EAPOL-Key "
"frame - key_data overflow (%u > %u)",
(unsigned int) key_data_len,
- (unsigned int) (plen - sizeof(struct wpa_eapol_key)));
+ (unsigned int) (plen - keyhdrlen));
goto out;
}
@@ -1870,12 +1921,13 @@ int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
}
if ((key_info & WPA_KEY_INFO_MIC) && !peerkey &&
- wpa_supplicant_verify_eapol_key_mic(sm, key, ver, tmp, data_len))
+ wpa_supplicant_verify_eapol_key_mic(sm, key192, ver, tmp, data_len))
goto out;
#ifdef CONFIG_PEERKEY
if ((key_info & WPA_KEY_INFO_MIC) && peerkey &&
- peerkey_verify_eapol_key_mic(sm, peerkey, key, ver, tmp, data_len))
+ peerkey_verify_eapol_key_mic(sm, peerkey, key192, ver, tmp,
+ data_len))
goto out;
#endif /* CONFIG_PEERKEY */
@@ -1965,6 +2017,8 @@ static u32 wpa_key_mgmt_suite(struct wpa_sm *sm)
return WPA_AUTH_KEY_MGMT_NONE;
case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
return RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
+ case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
+ return RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
default:
return 0;
}
diff --git a/src/rsn_supp/wpa_ie.c b/src/rsn_supp/wpa_ie.c
index 51876ed..cb334df 100644
--- a/src/rsn_supp/wpa_ie.c
+++ b/src/rsn_supp/wpa_ie.c
@@ -1,6 +1,6 @@
/*
* wpa_supplicant - WPA/RSN IE and KDE processing
- * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@@ -173,6 +173,8 @@ static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len,
} else if (key_mgmt == WPA_KEY_MGMT_FT_SAE) {
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_SAE);
#endif /* CONFIG_SAE */
+ } else if (key_mgmt == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192);
} else if (key_mgmt == WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SUITE_B);
} else {