/*
* WPA/RSN - Shared functions for supplicant and authenticator
- * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2018, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
#include "includes.h"
#include "common.h"
-#include "utils/crc32.h"
#include "crypto/md5.h"
#include "crypto/sha1.h"
#include "crypto/sha256.h"
#include "crypto/sha384.h"
+#include "crypto/sha512.h"
#include "crypto/aes_wrap.h"
#include "crypto/crypto.h"
#include "ieee802_11_defs.h"
#include "wpa_common.h"
-static unsigned int wpa_kck_len(int akmp)
+static unsigned int wpa_kck_len(int akmp, size_t pmk_len)
{
switch (akmp) {
case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
+ case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
return 24;
case WPA_KEY_MGMT_FILS_SHA256:
case WPA_KEY_MGMT_FT_FILS_SHA256:
case WPA_KEY_MGMT_FILS_SHA384:
case WPA_KEY_MGMT_FT_FILS_SHA384:
return 0;
+ case WPA_KEY_MGMT_DPP:
+ return pmk_len / 2;
+ case WPA_KEY_MGMT_OWE:
+ return pmk_len / 2;
default:
return 16;
}
}
-static unsigned int wpa_kek_len(int akmp)
+#ifdef CONFIG_IEEE80211R
+static unsigned int wpa_kck2_len(int akmp)
+{
+ switch (akmp) {
+ case WPA_KEY_MGMT_FT_FILS_SHA256:
+ return 16;
+ case WPA_KEY_MGMT_FT_FILS_SHA384:
+ return 24;
+ default:
+ return 0;
+ }
+}
+#endif /* CONFIG_IEEE80211R */
+
+
+static unsigned int wpa_kek_len(int akmp, size_t pmk_len)
{
switch (akmp) {
case WPA_KEY_MGMT_FILS_SHA384:
case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
case WPA_KEY_MGMT_FILS_SHA256:
case WPA_KEY_MGMT_FT_FILS_SHA256:
+ case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
return 32;
+ case WPA_KEY_MGMT_DPP:
+ return pmk_len <= 32 ? 16 : 32;
+ case WPA_KEY_MGMT_OWE:
+ return pmk_len <= 32 ? 16 : 32;
default:
return 16;
}
}
-unsigned int wpa_mic_len(int akmp)
+#ifdef CONFIG_IEEE80211R
+static unsigned int wpa_kek2_len(int akmp)
+{
+ switch (akmp) {
+ case WPA_KEY_MGMT_FT_FILS_SHA256:
+ return 16;
+ case WPA_KEY_MGMT_FT_FILS_SHA384:
+ return 32;
+ default:
+ return 0;
+ }
+}
+#endif /* CONFIG_IEEE80211R */
+
+
+unsigned int wpa_mic_len(int akmp, size_t pmk_len)
{
switch (akmp) {
case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
+ case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
return 24;
case WPA_KEY_MGMT_FILS_SHA256:
case WPA_KEY_MGMT_FILS_SHA384:
case WPA_KEY_MGMT_FT_FILS_SHA256:
case WPA_KEY_MGMT_FT_FILS_SHA384:
return 0;
+ case WPA_KEY_MGMT_DPP:
+ return pmk_len / 2;
+ case WPA_KEY_MGMT_OWE:
+ return pmk_len / 2;
default:
return 16;
}
}
+/**
+ * wpa_use_akm_defined - Is AKM-defined Key Descriptor Version used
+ * @akmp: WPA_KEY_MGMT_* used in key derivation
+ * Returns: 1 if AKM-defined Key Descriptor Version is used; 0 otherwise
+ */
+int wpa_use_akm_defined(int akmp)
+{
+ return akmp == WPA_KEY_MGMT_OSEN ||
+ akmp == WPA_KEY_MGMT_OWE ||
+ akmp == WPA_KEY_MGMT_DPP ||
+ akmp == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
+ wpa_key_mgmt_sae(akmp) ||
+ wpa_key_mgmt_suite_b(akmp) ||
+ wpa_key_mgmt_fils(akmp);
+}
+
+
+/**
+ * wpa_use_cmac - Is CMAC integrity algorithm used for EAPOL-Key MIC
+ * @akmp: WPA_KEY_MGMT_* used in key derivation
+ * Returns: 1 if CMAC is used; 0 otherwise
+ */
+int wpa_use_cmac(int akmp)
+{
+ return akmp == WPA_KEY_MGMT_OSEN ||
+ akmp == WPA_KEY_MGMT_OWE ||
+ akmp == WPA_KEY_MGMT_DPP ||
+ wpa_key_mgmt_ft(akmp) ||
+ wpa_key_mgmt_sha256(akmp) ||
+ wpa_key_mgmt_sae(akmp) ||
+ wpa_key_mgmt_suite_b(akmp);
+}
+
+
+/**
+ * wpa_use_aes_key_wrap - Is AES Keywrap algorithm used for EAPOL-Key Key Data
+ * @akmp: WPA_KEY_MGMT_* used in key derivation
+ * Returns: 1 if AES Keywrap is used; 0 otherwise
+ *
+ * Note: AKM 00-0F-AC:1 and 00-0F-AC:2 have special rules for selecting whether
+ * to use AES Keywrap based on the negotiated pairwise cipher. This function
+ * does not cover those special cases.
+ */
+int wpa_use_aes_key_wrap(int akmp)
+{
+ return akmp == WPA_KEY_MGMT_OSEN ||
+ akmp == WPA_KEY_MGMT_OWE ||
+ akmp == WPA_KEY_MGMT_DPP ||
+ wpa_key_mgmt_ft(akmp) ||
+ wpa_key_mgmt_sha256(akmp) ||
+ wpa_key_mgmt_sae(akmp) ||
+ wpa_key_mgmt_suite_b(akmp);
+}
+
+
/**
* wpa_eapol_key_mic - Calculate EAPOL-Key MIC
* @key: EAPOL-Key Key Confirmation Key (KCK)
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[SHA384_MAC_LEN];
+ u8 hash[SHA512_MAC_LEN];
+
+ if (key_len == 0) {
+ wpa_printf(MSG_DEBUG,
+ "WPA: KCK not set - cannot calculate MIC");
+ return -1;
+ }
switch (ver) {
#ifndef CONFIG_FIPS
case WPA_KEY_INFO_TYPE_HMAC_MD5_RC4:
+ wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key MIC using HMAC-MD5");
return hmac_md5(key, key_len, buf, len, mic);
#endif /* CONFIG_FIPS */
case WPA_KEY_INFO_TYPE_HMAC_SHA1_AES:
+ wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key MIC using HMAC-SHA1");
if (hmac_sha1(key, key_len, buf, len, hash))
return -1;
os_memcpy(mic, hash, MD5_MAC_LEN);
break;
-#if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W)
case WPA_KEY_INFO_TYPE_AES_128_CMAC:
+ wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key MIC using AES-CMAC");
return omac1_aes_128(key, buf, len, mic);
-#endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */
case WPA_KEY_INFO_TYPE_AKM_DEFINED:
switch (akmp) {
+#ifdef CONFIG_SAE
+ case WPA_KEY_MGMT_SAE:
+ case WPA_KEY_MGMT_FT_SAE:
+ wpa_printf(MSG_DEBUG,
+ "WPA: EAPOL-Key MIC using AES-CMAC (AKM-defined - SAE)");
+ return omac1_aes_128(key, buf, len, mic);
+#endif /* CONFIG_SAE */
#ifdef CONFIG_HS20
case WPA_KEY_MGMT_OSEN:
+ wpa_printf(MSG_DEBUG,
+ "WPA: EAPOL-Key MIC using AES-CMAC (AKM-defined - OSEN)");
return omac1_aes_128(key, buf, len, mic);
#endif /* CONFIG_HS20 */
#ifdef CONFIG_SUITEB
case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
+ wpa_printf(MSG_DEBUG,
+ "WPA: EAPOL-Key MIC using HMAC-SHA256 (AKM-defined - Suite B)");
if (hmac_sha256(key, key_len, buf, len, hash))
return -1;
os_memcpy(mic, hash, MD5_MAC_LEN);
#endif /* CONFIG_SUITEB */
#ifdef CONFIG_SUITEB192
case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
+ wpa_printf(MSG_DEBUG,
+ "WPA: EAPOL-Key MIC using HMAC-SHA384 (AKM-defined - Suite B 192-bit)");
if (hmac_sha384(key, key_len, buf, len, hash))
return -1;
os_memcpy(mic, hash, 24);
break;
#endif /* CONFIG_SUITEB192 */
+#ifdef CONFIG_OWE
+ case WPA_KEY_MGMT_OWE:
+ wpa_printf(MSG_DEBUG,
+ "WPA: EAPOL-Key MIC using HMAC-SHA%u (AKM-defined - OWE)",
+ (unsigned int) key_len * 8 * 2);
+ if (key_len == 128 / 8) {
+ if (hmac_sha256(key, key_len, buf, len, hash))
+ return -1;
+ } else if (key_len == 192 / 8) {
+ if (hmac_sha384(key, key_len, buf, len, hash))
+ return -1;
+ } else if (key_len == 256 / 8) {
+ if (hmac_sha512(key, key_len, buf, len, hash))
+ return -1;
+ } else {
+ wpa_printf(MSG_INFO,
+ "OWE: Unsupported KCK length: %u",
+ (unsigned int) key_len);
+ return -1;
+ }
+ os_memcpy(mic, hash, key_len);
+ break;
+#endif /* CONFIG_OWE */
+#ifdef CONFIG_DPP
+ case WPA_KEY_MGMT_DPP:
+ wpa_printf(MSG_DEBUG,
+ "WPA: EAPOL-Key MIC using HMAC-SHA%u (AKM-defined - DPP)",
+ (unsigned int) key_len * 8 * 2);
+ if (key_len == 128 / 8) {
+ if (hmac_sha256(key, key_len, buf, len, hash))
+ return -1;
+ } else if (key_len == 192 / 8) {
+ if (hmac_sha384(key, key_len, buf, len, hash))
+ return -1;
+ } else if (key_len == 256 / 8) {
+ if (hmac_sha512(key, key_len, buf, len, hash))
+ return -1;
+ } else {
+ wpa_printf(MSG_INFO,
+ "DPP: Unsupported KCK length: %u",
+ (unsigned int) key_len);
+ return -1;
+ }
+ os_memcpy(mic, hash, key_len);
+ break;
+#endif /* CONFIG_DPP */
+#if defined(CONFIG_IEEE80211R) && defined(CONFIG_SHA384)
+ case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
+ wpa_printf(MSG_DEBUG,
+ "WPA: EAPOL-Key MIC using HMAC-SHA384 (AKM-defined - FT 802.1X SHA384)");
+ if (hmac_sha384(key, key_len, buf, len, hash))
+ return -1;
+ os_memcpy(mic, hash, 24);
+ break;
+#endif /* CONFIG_IEEE80211R && CONFIG_SHA384 */
default:
+ wpa_printf(MSG_DEBUG,
+ "WPA: EAPOL-Key MIC algorithm not known (AKM-defined - akmp=0x%x)",
+ akmp);
return -1;
}
break;
default:
+ wpa_printf(MSG_DEBUG,
+ "WPA: EAPOL-Key MIC algorithm not known (ver=%d)",
+ ver);
return -1;
}
* IEEE Std 802.11i-2004 - 8.5.1.2 Pairwise key hierarchy
* PTK = PRF-X(PMK, "Pairwise key expansion",
* Min(AA, SA) || Max(AA, SA) ||
- * Min(ANonce, SNonce) || Max(ANonce, SNonce))
+ * Min(ANonce, SNonce) || Max(ANonce, SNonce)
+ * [ || Z.x ])
*
- * STK = PRF-X(SMK, "Peer key expansion",
- * Min(MAC_I, MAC_P) || Max(MAC_I, MAC_P) ||
- * Min(INonce, PNonce) || Max(INonce, PNonce))
+ * The optional Z.x component is used only with DPP and that part is not defined
+ * in IEEE 802.11.
*/
int wpa_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const char *label,
const u8 *addr1, const u8 *addr2,
const u8 *nonce1, const u8 *nonce2,
- struct wpa_ptk *ptk, int akmp, int cipher)
+ struct wpa_ptk *ptk, int akmp, int cipher,
+ const u8 *z, size_t z_len)
{
- u8 data[2 * ETH_ALEN + 2 * WPA_NONCE_LEN];
+#define MAX_Z_LEN 66 /* with NIST P-521 */
+ u8 data[2 * ETH_ALEN + 2 * WPA_NONCE_LEN + MAX_Z_LEN];
+ size_t data_len = 2 * ETH_ALEN + 2 * WPA_NONCE_LEN;
u8 tmp[WPA_KCK_MAX_LEN + WPA_KEK_MAX_LEN + WPA_TK_MAX_LEN];
size_t ptk_len;
+ if (pmk_len == 0) {
+ wpa_printf(MSG_ERROR, "WPA: No PMK set for PTK derivation");
+ return -1;
+ }
+
+ if (z_len > MAX_Z_LEN)
+ return -1;
+
if (os_memcmp(addr1, addr2, ETH_ALEN) < 0) {
os_memcpy(data, addr1, ETH_ALEN);
os_memcpy(data + ETH_ALEN, addr2, ETH_ALEN);
WPA_NONCE_LEN);
}
- ptk->kck_len = wpa_kck_len(akmp);
- ptk->kek_len = wpa_kek_len(akmp);
+ if (z && z_len) {
+ os_memcpy(data + 2 * ETH_ALEN + 2 * WPA_NONCE_LEN, z, z_len);
+ data_len += z_len;
+ }
+
+ ptk->kck_len = wpa_kck_len(akmp, pmk_len);
+ ptk->kek_len = wpa_kek_len(akmp, pmk_len);
ptk->tk_len = wpa_cipher_key_len(cipher);
+ if (ptk->tk_len == 0) {
+ wpa_printf(MSG_ERROR,
+ "WPA: Unsupported cipher (0x%x) used in PTK derivation",
+ cipher);
+ return -1;
+ }
ptk_len = ptk->kck_len + ptk->kek_len + ptk->tk_len;
-#ifdef CONFIG_SUITEB192
- if (wpa_key_mgmt_sha384(akmp))
- sha384_prf(pmk, pmk_len, label, data, sizeof(data),
- tmp, ptk_len);
- else
-#endif /* CONFIG_SUITEB192 */
-#ifdef CONFIG_IEEE80211W
- if (wpa_key_mgmt_sha256(akmp))
- sha256_prf(pmk, pmk_len, label, data, sizeof(data),
- tmp, ptk_len);
- else
-#endif /* CONFIG_IEEE80211W */
- sha1_prf(pmk, pmk_len, label, data, sizeof(data), tmp, ptk_len);
+ if (wpa_key_mgmt_sha384(akmp)) {
+#if defined(CONFIG_SUITEB192) || defined(CONFIG_FILS)
+ wpa_printf(MSG_DEBUG, "WPA: PTK derivation using PRF(SHA384)");
+ if (sha384_prf(pmk, pmk_len, label, data, data_len,
+ tmp, ptk_len) < 0)
+ return -1;
+#else /* CONFIG_SUITEB192 || CONFIG_FILS */
+ return -1;
+#endif /* CONFIG_SUITEB192 || CONFIG_FILS */
+ } else if (wpa_key_mgmt_sha256(akmp) || akmp == WPA_KEY_MGMT_OWE) {
+ wpa_printf(MSG_DEBUG, "WPA: PTK derivation using PRF(SHA256)");
+ if (sha256_prf(pmk, pmk_len, label, data, data_len,
+ tmp, ptk_len) < 0)
+ return -1;
+#ifdef CONFIG_DPP
+ } else if (akmp == WPA_KEY_MGMT_DPP && pmk_len == 32) {
+ wpa_printf(MSG_DEBUG, "WPA: PTK derivation using PRF(SHA256)");
+ if (sha256_prf(pmk, pmk_len, label, data, data_len,
+ tmp, ptk_len) < 0)
+ return -1;
+ } else if (akmp == WPA_KEY_MGMT_DPP && pmk_len == 48) {
+ wpa_printf(MSG_DEBUG, "WPA: PTK derivation using PRF(SHA384)");
+ if (sha384_prf(pmk, pmk_len, label, data, data_len,
+ tmp, ptk_len) < 0)
+ return -1;
+ } else if (akmp == WPA_KEY_MGMT_DPP && pmk_len == 64) {
+ wpa_printf(MSG_DEBUG, "WPA: PTK derivation using PRF(SHA512)");
+ if (sha512_prf(pmk, pmk_len, label, data, data_len,
+ tmp, ptk_len) < 0)
+ return -1;
+ } else if (akmp == WPA_KEY_MGMT_DPP) {
+ wpa_printf(MSG_INFO, "DPP: Unknown PMK length %u",
+ (unsigned int) pmk_len);
+ return -1;
+#endif /* CONFIG_DPP */
+ } else {
+ wpa_printf(MSG_DEBUG, "WPA: PTK derivation using PRF(SHA1)");
+ if (sha1_prf(pmk, pmk_len, label, data, data_len, tmp,
+ ptk_len) < 0)
+ return -1;
+ }
wpa_printf(MSG_DEBUG, "WPA: PTK derivation - A1=" MACSTR " A2=" MACSTR,
MAC2STR(addr1), MAC2STR(addr2));
wpa_hexdump(MSG_DEBUG, "WPA: Nonce1", nonce1, WPA_NONCE_LEN);
wpa_hexdump(MSG_DEBUG, "WPA: Nonce2", nonce2, WPA_NONCE_LEN);
+ if (z && z_len)
+ wpa_hexdump_key(MSG_DEBUG, "WPA: Z.x", z, z_len);
wpa_hexdump_key(MSG_DEBUG, "WPA: PMK", pmk, pmk_len);
wpa_hexdump_key(MSG_DEBUG, "WPA: PTK", tmp, ptk_len);
os_memcpy(ptk->tk, tmp + ptk->kck_len + ptk->kek_len, ptk->tk_len);
wpa_hexdump_key(MSG_DEBUG, "WPA: TK", ptk->tk, ptk->tk_len);
+ ptk->kek2_len = 0;
+ ptk->kck2_len = 0;
+
os_memset(tmp, 0, sizeof(tmp));
+ os_memset(data, 0, data_len);
return 0;
}
#ifdef CONFIG_FILS
+int fils_rmsk_to_pmk(int akmp, const u8 *rmsk, size_t rmsk_len,
+ const u8 *snonce, const u8 *anonce, const u8 *dh_ss,
+ size_t dh_ss_len, u8 *pmk, size_t *pmk_len)
+{
+ u8 nonces[2 * FILS_NONCE_LEN];
+ const u8 *addr[2];
+ size_t len[2];
+ size_t num_elem;
+ int res;
+
+ /* PMK = HMAC-Hash(SNonce || ANonce, rMSK [ || DHss ]) */
+ wpa_printf(MSG_DEBUG, "FILS: rMSK to PMK derivation");
+
+ if (wpa_key_mgmt_sha384(akmp))
+ *pmk_len = SHA384_MAC_LEN;
+ else if (wpa_key_mgmt_sha256(akmp))
+ *pmk_len = SHA256_MAC_LEN;
+ else
+ return -1;
+
+ wpa_hexdump_key(MSG_DEBUG, "FILS: rMSK", rmsk, rmsk_len);
+ wpa_hexdump(MSG_DEBUG, "FILS: SNonce", snonce, FILS_NONCE_LEN);
+ wpa_hexdump(MSG_DEBUG, "FILS: ANonce", anonce, FILS_NONCE_LEN);
+ wpa_hexdump(MSG_DEBUG, "FILS: DHss", dh_ss, dh_ss_len);
+
+ os_memcpy(nonces, snonce, FILS_NONCE_LEN);
+ os_memcpy(&nonces[FILS_NONCE_LEN], anonce, FILS_NONCE_LEN);
+ addr[0] = rmsk;
+ len[0] = rmsk_len;
+ num_elem = 1;
+ if (dh_ss) {
+ addr[1] = dh_ss;
+ len[1] = dh_ss_len;
+ num_elem++;
+ }
+ if (wpa_key_mgmt_sha384(akmp))
+ res = hmac_sha384_vector(nonces, 2 * FILS_NONCE_LEN, num_elem,
+ addr, len, pmk);
+ else
+ res = hmac_sha256_vector(nonces, 2 * FILS_NONCE_LEN, num_elem,
+ addr, len, pmk);
+ if (res == 0)
+ wpa_hexdump_key(MSG_DEBUG, "FILS: PMK", pmk, *pmk_len);
+ else
+ *pmk_len = 0;
+ return res;
+}
+
+
+int fils_pmkid_erp(int akmp, const u8 *reauth, size_t reauth_len,
+ u8 *pmkid)
+{
+ const u8 *addr[1];
+ size_t len[1];
+ u8 hash[SHA384_MAC_LEN];
+ int res;
+
+ /* PMKID = Truncate-128(Hash(EAP-Initiate/Reauth)) */
+ addr[0] = reauth;
+ len[0] = reauth_len;
+ if (wpa_key_mgmt_sha384(akmp))
+ res = sha384_vector(1, addr, len, hash);
+ else if (wpa_key_mgmt_sha256(akmp))
+ res = sha256_vector(1, addr, len, hash);
+ else
+ return -1;
+ if (res)
+ return res;
+ os_memcpy(pmkid, hash, PMKID_LEN);
+ wpa_hexdump(MSG_DEBUG, "FILS: PMKID", pmkid, PMKID_LEN);
+ return 0;
+}
+
+
int fils_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const u8 *spa, const u8 *aa,
- const u8 *snonce, const u8 *anonce, struct wpa_ptk *ptk,
- u8 *ick, size_t *ick_len, int akmp, int cipher)
+ const u8 *snonce, const u8 *anonce, const u8 *dhss,
+ size_t dhss_len, struct wpa_ptk *ptk,
+ u8 *ick, size_t *ick_len, int akmp, int cipher,
+ u8 *fils_ft, size_t *fils_ft_len)
{
- u8 data[2 * ETH_ALEN + 2 * FILS_NONCE_LEN];
- u8 tmp[FILS_ICK_MAX_LEN + WPA_KEK_MAX_LEN + WPA_TK_MAX_LEN];
+ u8 *data, *pos;
+ size_t data_len;
+ u8 tmp[FILS_ICK_MAX_LEN + WPA_KEK_MAX_LEN + WPA_TK_MAX_LEN +
+ FILS_FT_MAX_LEN];
size_t key_data_len;
const char *label = "FILS PTK Derivation";
+ int ret = -1;
/*
* FILS-Key-Data = PRF-X(PMK, "FILS PTK Derivation",
- * SPA || AA || SNonce || ANonce)
+ * SPA || AA || SNonce || ANonce [ || DHss ])
* ICK = L(FILS-Key-Data, 0, ICK_bits)
* KEK = L(FILS-Key-Data, ICK_bits, KEK_bits)
* TK = L(FILS-Key-Data, ICK_bits + KEK_bits, TK_bits)
* FILS-FT = L(FILS-Key-Data, ICK_bits + KEK_bits + TK_bits,
* FILS-FT_bits)
*/
- os_memcpy(data, spa, ETH_ALEN);
- os_memcpy(data + ETH_ALEN, aa, ETH_ALEN);
- os_memcpy(data + 2 * ETH_ALEN, snonce, FILS_NONCE_LEN);
- os_memcpy(data + 2 * ETH_ALEN + FILS_NONCE_LEN, anonce, FILS_NONCE_LEN);
+ data_len = 2 * ETH_ALEN + 2 * FILS_NONCE_LEN + dhss_len;
+ data = os_malloc(data_len);
+ if (!data)
+ goto err;
+ pos = data;
+ os_memcpy(pos, spa, ETH_ALEN);
+ pos += ETH_ALEN;
+ os_memcpy(pos, aa, ETH_ALEN);
+ pos += ETH_ALEN;
+ os_memcpy(pos, snonce, FILS_NONCE_LEN);
+ pos += FILS_NONCE_LEN;
+ os_memcpy(pos, anonce, FILS_NONCE_LEN);
+ pos += FILS_NONCE_LEN;
+ if (dhss)
+ os_memcpy(pos, dhss, dhss_len);
ptk->kck_len = 0;
- ptk->kek_len = wpa_kek_len(akmp);
+ ptk->kek_len = wpa_kek_len(akmp, pmk_len);
ptk->tk_len = wpa_cipher_key_len(cipher);
if (wpa_key_mgmt_sha384(akmp))
*ick_len = 48;
else if (wpa_key_mgmt_sha256(akmp))
*ick_len = 32;
else
- return -1;
+ goto err;
key_data_len = *ick_len + ptk->kek_len + ptk->tk_len;
- if (wpa_key_mgmt_sha384(akmp))
- sha384_prf(pmk, pmk_len, label, data, sizeof(data),
- tmp, key_data_len);
- else if (sha256_prf(pmk, pmk_len, label, data, sizeof(data),
- tmp, key_data_len) < 0)
- return -1;
+ if (fils_ft && fils_ft_len) {
+ if (akmp == WPA_KEY_MGMT_FT_FILS_SHA256) {
+ *fils_ft_len = 32;
+ } else if (akmp == WPA_KEY_MGMT_FT_FILS_SHA384) {
+ *fils_ft_len = 48;
+ } else {
+ *fils_ft_len = 0;
+ fils_ft = NULL;
+ }
+ key_data_len += *fils_ft_len;
+ }
+
+ if (wpa_key_mgmt_sha384(akmp)) {
+ wpa_printf(MSG_DEBUG, "FILS: PTK derivation using PRF(SHA384)");
+ if (sha384_prf(pmk, pmk_len, label, data, data_len,
+ tmp, key_data_len) < 0)
+ goto err;
+ } else {
+ wpa_printf(MSG_DEBUG, "FILS: PTK derivation using PRF(SHA256)");
+ if (sha256_prf(pmk, pmk_len, label, data, data_len,
+ tmp, key_data_len) < 0)
+ goto err;
+ }
wpa_printf(MSG_DEBUG, "FILS: PTK derivation - SPA=" MACSTR
" AA=" MACSTR, MAC2STR(spa), MAC2STR(aa));
wpa_hexdump(MSG_DEBUG, "FILS: SNonce", snonce, FILS_NONCE_LEN);
wpa_hexdump(MSG_DEBUG, "FILS: ANonce", anonce, FILS_NONCE_LEN);
+ if (dhss)
+ wpa_hexdump_key(MSG_DEBUG, "FILS: DHss", dhss, dhss_len);
wpa_hexdump_key(MSG_DEBUG, "FILS: PMK", pmk, pmk_len);
wpa_hexdump_key(MSG_DEBUG, "FILS: FILS-Key-Data", tmp, key_data_len);
os_memcpy(ptk->tk, tmp + *ick_len + ptk->kek_len, ptk->tk_len);
wpa_hexdump_key(MSG_DEBUG, "FILS: TK", ptk->tk, ptk->tk_len);
- /* TODO: FILS-FT */
+ if (fils_ft && fils_ft_len) {
+ os_memcpy(fils_ft, tmp + *ick_len + ptk->kek_len + ptk->tk_len,
+ *fils_ft_len);
+ wpa_hexdump_key(MSG_DEBUG, "FILS: FILS-FT",
+ fils_ft, *fils_ft_len);
+ }
+
+ ptk->kek2_len = 0;
+ ptk->kck2_len = 0;
os_memset(tmp, 0, sizeof(tmp));
- return 0;
+ ret = 0;
+err:
+ bin_clear_free(data, data_len);
+ return ret;
}
size_t num_elem = 4;
int res;
+ wpa_printf(MSG_DEBUG, "FILS: Key-Auth derivation: STA-MAC=" MACSTR
+ " AP-BSSID=" MACSTR, MAC2STR(sta_addr), MAC2STR(bssid));
+ wpa_hexdump_key(MSG_DEBUG, "FILS: ICK", ick, ick_len);
+ wpa_hexdump(MSG_DEBUG, "FILS: SNonce", snonce, FILS_NONCE_LEN);
+ wpa_hexdump(MSG_DEBUG, "FILS: ANonce", anonce, FILS_NONCE_LEN);
+ wpa_hexdump(MSG_DEBUG, "FILS: gSTA", g_sta, g_sta_len);
+ wpa_hexdump(MSG_DEBUG, "FILS: gAP", g_ap, g_ap_len);
+
/*
* For (Re)Association Request frame (STA->AP):
* Key-Auth = HMAC-Hash(ICK, SNonce || ANonce || STA-MAC || AP-BSSID
const u8 *addr[9];
size_t len[9];
size_t i, num_elem = 0;
- u8 zero_mic[16];
-
- if (kck_len != 16) {
+ u8 zero_mic[24];
+ size_t mic_len, fte_fixed_len;
+
+ if (kck_len == 16) {
+ mic_len = 16;
+#ifdef CONFIG_SHA384
+ } else if (kck_len == 24) {
+ mic_len = 24;
+#endif /* CONFIG_SHA384 */
+ } else {
wpa_printf(MSG_WARNING, "FT: Unsupported KCK length %u",
(unsigned int) kck_len);
return -1;
}
+ fte_fixed_len = sizeof(struct rsn_ftie) - 16 + mic_len;
+
addr[num_elem] = sta_addr;
len[num_elem] = ETH_ALEN;
num_elem++;
num_elem++;
}
if (ftie) {
- if (ftie_len < 2 + sizeof(struct rsn_ftie))
+ if (ftie_len < 2 + fte_fixed_len)
return -1;
/* IE hdr and mic_control */
num_elem++;
/* MIC field with all zeros */
- os_memset(zero_mic, 0, sizeof(zero_mic));
+ os_memset(zero_mic, 0, mic_len);
addr[num_elem] = zero_mic;
- len[num_elem] = sizeof(zero_mic);
+ len[num_elem] = mic_len;
num_elem++;
/* Rest of FTIE */
- addr[num_elem] = ftie + 2 + 2 + 16;
- len[num_elem] = ftie_len - (2 + 2 + 16);
+ addr[num_elem] = ftie + 2 + 2 + mic_len;
+ len[num_elem] = ftie_len - (2 + 2 + mic_len);
num_elem++;
}
if (ric) {
for (i = 0; i < num_elem; i++)
wpa_hexdump(MSG_MSGDUMP, "FT: MIC data", addr[i], len[i]);
- if (omac1_aes_128_vector(kck, num_elem, addr, len, mic))
+#ifdef CONFIG_SHA384
+ if (kck_len == 24) {
+ u8 hash[SHA384_MAC_LEN];
+
+ if (hmac_sha384_vector(kck, kck_len, num_elem, addr, len, hash))
+ return -1;
+ os_memcpy(mic, hash, 24);
+ }
+#endif /* CONFIG_SHA384 */
+ if (kck_len == 16 &&
+ omac1_aes_128_vector(kck, num_elem, addr, len, mic))
return -1;
return 0;
static int wpa_ft_parse_ftie(const u8 *ie, size_t ie_len,
- struct wpa_ft_ies *parse)
+ struct wpa_ft_ies *parse, int use_sha384)
{
const u8 *end, *pos;
parse->ftie = ie;
parse->ftie_len = ie_len;
- pos = ie + sizeof(struct rsn_ftie);
+ pos = ie + (use_sha384 ? sizeof(struct rsn_ftie_sha384) :
+ sizeof(struct rsn_ftie));
end = ie + ie_len;
+ wpa_hexdump(MSG_DEBUG, "FT: Parse FTE subelements", pos, end - pos);
while (end - pos >= 2) {
u8 id, len;
id = *pos++;
len = *pos++;
- if (len > end - pos)
+ if (len > end - pos) {
+ wpa_printf(MSG_DEBUG, "FT: Truncated subelement");
break;
+ }
switch (id) {
case FTIE_SUBELEM_R1KH_ID:
parse->r0kh_id = pos;
parse->r0kh_id_len = len;
break;
-#ifdef CONFIG_IEEE80211W
case FTIE_SUBELEM_IGTK:
parse->igtk = pos;
parse->igtk_len = len;
break;
-#endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_OCV
+ case FTIE_SUBELEM_OCI:
+ parse->oci = pos;
+ parse->oci_len = len;
+ break;
+#endif /* CONFIG_OCV */
+ default:
+ wpa_printf(MSG_DEBUG, "FT: Unknown subelem id %u", id);
+ break;
}
pos += len;
int wpa_ft_parse_ies(const u8 *ies, size_t ies_len,
- struct wpa_ft_ies *parse)
+ struct wpa_ft_ies *parse, int use_sha384)
{
const u8 *end, *pos;
struct wpa_ie_data data;
int ret;
const struct rsn_ftie *ftie;
int prot_ie_count = 0;
+ int update_use_sha384 = 0;
+
+ if (use_sha384 < 0) {
+ use_sha384 = 0;
+ update_use_sha384 = 1;
+ }
os_memset(parse, 0, sizeof(*parse));
if (ies == NULL)
switch (id) {
case WLAN_EID_RSN:
+ wpa_hexdump(MSG_DEBUG, "FT: RSNE", pos, len);
parse->rsn = pos;
parse->rsn_len = len;
ret = wpa_parse_wpa_ie_rsn(parse->rsn - 2,
"RSN IE: %d", ret);
return -1;
}
+ parse->rsn_capab = data.capabilities;
if (data.num_pmkid == 1 && data.pmkid)
parse->rsn_pmkid = data.pmkid;
parse->key_mgmt = data.key_mgmt;
parse->pairwise_cipher = data.pairwise_cipher;
+ if (update_use_sha384) {
+ use_sha384 =
+ wpa_key_mgmt_sha384(parse->key_mgmt);
+ update_use_sha384 = 0;
+ }
break;
case WLAN_EID_MOBILITY_DOMAIN:
+ wpa_hexdump(MSG_DEBUG, "FT: MDE", pos, len);
if (len < sizeof(struct rsn_mdie))
return -1;
parse->mdie = pos;
parse->mdie_len = len;
break;
case WLAN_EID_FAST_BSS_TRANSITION:
+ wpa_hexdump(MSG_DEBUG, "FT: FTE", pos, len);
+ if (use_sha384) {
+ const struct rsn_ftie_sha384 *ftie_sha384;
+
+ if (len < sizeof(*ftie_sha384))
+ return -1;
+ ftie_sha384 =
+ (const struct rsn_ftie_sha384 *) pos;
+ wpa_hexdump(MSG_DEBUG, "FT: FTE-MIC Control",
+ ftie_sha384->mic_control, 2);
+ wpa_hexdump(MSG_DEBUG, "FT: FTE-MIC",
+ ftie_sha384->mic,
+ sizeof(ftie_sha384->mic));
+ parse->fte_anonce = ftie_sha384->anonce;
+ wpa_hexdump(MSG_DEBUG, "FT: FTE-ANonce",
+ ftie_sha384->anonce,
+ WPA_NONCE_LEN);
+ parse->fte_snonce = ftie_sha384->snonce;
+ wpa_hexdump(MSG_DEBUG, "FT: FTE-SNonce",
+ ftie_sha384->snonce,
+ WPA_NONCE_LEN);
+ prot_ie_count = ftie_sha384->mic_control[1];
+ if (wpa_ft_parse_ftie(pos, len, parse, 1) < 0)
+ return -1;
+ break;
+ }
+
if (len < sizeof(*ftie))
return -1;
ftie = (const struct rsn_ftie *) pos;
+ wpa_hexdump(MSG_DEBUG, "FT: FTE-MIC Control",
+ ftie->mic_control, 2);
+ wpa_hexdump(MSG_DEBUG, "FT: FTE-MIC",
+ ftie->mic, sizeof(ftie->mic));
+ parse->fte_anonce = ftie->anonce;
+ wpa_hexdump(MSG_DEBUG, "FT: FTE-ANonce",
+ ftie->anonce, WPA_NONCE_LEN);
+ parse->fte_snonce = ftie->snonce;
+ wpa_hexdump(MSG_DEBUG, "FT: FTE-SNonce",
+ ftie->snonce, WPA_NONCE_LEN);
prot_ie_count = ftie->mic_control[1];
- if (wpa_ft_parse_ftie(pos, len, parse) < 0)
+ if (wpa_ft_parse_ftie(pos, len, parse, 0) < 0)
return -1;
break;
case WLAN_EID_TIMEOUT_INTERVAL:
+ wpa_hexdump(MSG_DEBUG, "FT: Timeout Interval",
+ pos, len);
if (len != 5)
break;
parse->tie = pos;
return WPA_CIPHER_TKIP;
if (RSN_SELECTOR_GET(s) == RSN_CIPHER_SUITE_CCMP)
return WPA_CIPHER_CCMP;
-#ifdef CONFIG_IEEE80211W
if (RSN_SELECTOR_GET(s) == RSN_CIPHER_SUITE_AES_128_CMAC)
return WPA_CIPHER_AES_128_CMAC;
-#endif /* CONFIG_IEEE80211W */
if (RSN_SELECTOR_GET(s) == RSN_CIPHER_SUITE_GCMP)
return WPA_CIPHER_GCMP;
if (RSN_SELECTOR_GET(s) == RSN_CIPHER_SUITE_CCMP_256)
return WPA_KEY_MGMT_FT_IEEE8021X;
if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_FT_PSK)
return WPA_KEY_MGMT_FT_PSK;
+#ifdef CONFIG_SHA384
+ if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384)
+ return WPA_KEY_MGMT_FT_IEEE8021X_SHA384;
+#endif /* CONFIG_SHA384 */
#endif /* CONFIG_IEEE80211R */
-#ifdef CONFIG_IEEE80211W
if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_802_1X_SHA256)
return WPA_KEY_MGMT_IEEE8021X_SHA256;
if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_PSK_SHA256)
return WPA_KEY_MGMT_PSK_SHA256;
-#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_SAE
if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_SAE)
return WPA_KEY_MGMT_SAE;
return WPA_KEY_MGMT_FT_FILS_SHA256;
if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_FT_FILS_SHA384)
return WPA_KEY_MGMT_FT_FILS_SHA384;
+#ifdef CONFIG_OWE
+ if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_OWE)
+ return WPA_KEY_MGMT_OWE;
+#endif /* CONFIG_OWE */
+#ifdef CONFIG_DPP
+ if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_DPP)
+ return WPA_KEY_MGMT_DPP;
+#endif /* CONFIG_DPP */
if (RSN_SELECTOR_GET(s) == RSN_AUTH_KEY_MGMT_OSEN)
return WPA_KEY_MGMT_OSEN;
return 0;
}
-#ifdef CONFIG_IEEE80211W
int wpa_cipher_valid_mgmt_group(int cipher)
{
return cipher == WPA_CIPHER_AES_128_CMAC ||
cipher == WPA_CIPHER_BIP_GMAC_256 ||
cipher == WPA_CIPHER_BIP_CMAC_256;
}
-#endif /* CONFIG_IEEE80211W */
/**
data->capabilities = 0;
data->pmkid = NULL;
data->num_pmkid = 0;
-#ifdef CONFIG_IEEE80211W
data->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC;
-#else /* CONFIG_IEEE80211W */
- data->mgmt_group_cipher = 0;
-#endif /* CONFIG_IEEE80211W */
if (rsn_ie_len == 0) {
/* No RSN IE - fail silently */
pos = rsn_ie + 6;
left = rsn_ie_len - 6;
+ data->group_cipher = WPA_CIPHER_GTK_NOT_USED;
+ data->has_group = 1;
+ data->key_mgmt = WPA_KEY_MGMT_OSEN;
data->proto = WPA_PROTO_OSEN;
} else {
const struct rsn_ie_hdr *hdr;
if (left >= RSN_SELECTOR_LEN) {
data->group_cipher = rsn_selector_to_bitfield(pos);
+ data->has_group = 1;
if (!wpa_cipher_valid_group(data->group_cipher)) {
wpa_printf(MSG_DEBUG,
"%s: invalid group cipher 0x%x (%08x)",
"count %u left %u", __func__, count, left);
return -4;
}
+ if (count)
+ data->has_pairwise = 1;
for (i = 0; i < count; i++) {
data->pairwise_cipher |= rsn_selector_to_bitfield(pos);
pos += RSN_SELECTOR_LEN;
left -= RSN_SELECTOR_LEN;
}
-#ifdef CONFIG_IEEE80211W
if (data->pairwise_cipher & WPA_CIPHER_AES_128_CMAC) {
wpa_printf(MSG_DEBUG, "%s: AES-128-CMAC used as "
"pairwise cipher", __func__);
return -1;
}
-#endif /* CONFIG_IEEE80211W */
} else if (left == 1) {
wpa_printf(MSG_DEBUG, "%s: ie too short (for key mgmt)",
__func__);
}
}
-#ifdef CONFIG_IEEE80211W
if (left >= 4) {
data->mgmt_group_cipher = rsn_selector_to_bitfield(pos);
if (!wpa_cipher_valid_mgmt_group(data->mgmt_group_cipher)) {
pos += RSN_SELECTOR_LEN;
left -= RSN_SELECTOR_LEN;
}
-#endif /* CONFIG_IEEE80211W */
if (left > 0) {
wpa_hexdump(MSG_DEBUG,
}
+int wpa_default_rsn_cipher(int freq)
+{
+ if (freq > 56160)
+ return WPA_CIPHER_GCMP; /* DMG */
+
+ return WPA_CIPHER_CCMP;
+}
+
+
#ifdef CONFIG_IEEE80211R
/**
*
* IEEE Std 802.11r-2008 - 8.5.1.5.3
*/
-void wpa_derive_pmk_r0(const u8 *xxkey, size_t xxkey_len,
- const u8 *ssid, size_t ssid_len,
- const u8 *mdid, const u8 *r0kh_id, size_t r0kh_id_len,
- const u8 *s0kh_id, u8 *pmk_r0, u8 *pmk_r0_name)
+int wpa_derive_pmk_r0(const u8 *xxkey, size_t xxkey_len,
+ const u8 *ssid, size_t ssid_len,
+ const u8 *mdid, const u8 *r0kh_id, size_t r0kh_id_len,
+ const u8 *s0kh_id, u8 *pmk_r0, u8 *pmk_r0_name,
+ int use_sha384)
{
u8 buf[1 + SSID_MAX_LEN + MOBILITY_DOMAIN_ID_LEN + 1 +
FT_R0KH_ID_MAX_LEN + ETH_ALEN];
- u8 *pos, r0_key_data[48], hash[32];
+ u8 *pos, r0_key_data[64], hash[48];
const u8 *addr[2];
size_t len[2];
+ size_t q = use_sha384 ? 48 : 32;
+ size_t r0_key_data_len = q + 16;
/*
* R0-Key-Data = KDF-384(XXKey, "FT-R0",
* SSIDlength || SSID || MDID || R0KHlength ||
* R0KH-ID || S0KH-ID)
- * XXKey is either the second 256 bits of MSK or PSK.
- * PMK-R0 = L(R0-Key-Data, 0, 256)
- * PMK-R0Name-Salt = L(R0-Key-Data, 256, 128)
+ * XXKey is either the second 256 bits of MSK or PSK; or the first
+ * 384 bits of MSK for FT-EAP-SHA384.
+ * PMK-R0 = L(R0-Key-Data, 0, Q)
+ * PMK-R0Name-Salt = L(R0-Key-Data, Q, 128)
+ * Q = 384 for FT-EAP-SHA384; otherwise, 256
*/
if (ssid_len > SSID_MAX_LEN || r0kh_id_len > FT_R0KH_ID_MAX_LEN)
- return;
+ return -1;
+ wpa_printf(MSG_DEBUG, "FT: Derive PMK-R0 using KDF-%s",
+ use_sha384 ? "SHA384" : "SHA256");
+ wpa_hexdump_key(MSG_DEBUG, "FT: XXKey", xxkey, xxkey_len);
+ wpa_hexdump_ascii(MSG_DEBUG, "FT: SSID", ssid, ssid_len);
+ wpa_hexdump(MSG_DEBUG, "FT: MDID", mdid, MOBILITY_DOMAIN_ID_LEN);
+ wpa_hexdump_ascii(MSG_DEBUG, "FT: R0KH-ID", r0kh_id, r0kh_id_len);
+ wpa_printf(MSG_DEBUG, "FT: S0KH-ID: " MACSTR, MAC2STR(s0kh_id));
pos = buf;
*pos++ = ssid_len;
os_memcpy(pos, ssid, ssid_len);
os_memcpy(pos, s0kh_id, ETH_ALEN);
pos += ETH_ALEN;
- sha256_prf(xxkey, xxkey_len, "FT-R0", buf, pos - buf,
- r0_key_data, sizeof(r0_key_data));
- os_memcpy(pmk_r0, r0_key_data, PMK_LEN);
+#ifdef CONFIG_SHA384
+ if (use_sha384) {
+ if (xxkey_len != SHA384_MAC_LEN) {
+ wpa_printf(MSG_ERROR,
+ "FT: Unexpected XXKey length %d (expected %d)",
+ (int) xxkey_len, SHA384_MAC_LEN);
+ return -1;
+ }
+ if (sha384_prf(xxkey, xxkey_len, "FT-R0", buf, pos - buf,
+ r0_key_data, r0_key_data_len) < 0)
+ return -1;
+ }
+#endif /* CONFIG_SHA384 */
+ if (!use_sha384) {
+ if (xxkey_len != PMK_LEN) {
+ wpa_printf(MSG_ERROR,
+ "FT: Unexpected XXKey length %d (expected %d)",
+ (int) xxkey_len, PMK_LEN);
+ return -1;
+ }
+ if (sha256_prf(xxkey, xxkey_len, "FT-R0", buf, pos - buf,
+ r0_key_data, r0_key_data_len) < 0)
+ return -1;
+ }
+ os_memcpy(pmk_r0, r0_key_data, q);
+ wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R0", pmk_r0, q);
+ wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R0Name-Salt", &r0_key_data[q], 16);
/*
- * PMKR0Name = Truncate-128(SHA-256("FT-R0N" || PMK-R0Name-Salt)
+ * PMKR0Name = Truncate-128(Hash("FT-R0N" || PMK-R0Name-Salt)
*/
addr[0] = (const u8 *) "FT-R0N";
len[0] = 6;
- addr[1] = r0_key_data + PMK_LEN;
+ addr[1] = &r0_key_data[q];
len[1] = 16;
- sha256_vector(2, addr, len, hash);
+#ifdef CONFIG_SHA384
+ if (use_sha384 && sha384_vector(2, addr, len, hash) < 0)
+ return -1;
+#endif /* CONFIG_SHA384 */
+ if (!use_sha384 && sha256_vector(2, addr, len, hash) < 0)
+ return -1;
os_memcpy(pmk_r0_name, hash, WPA_PMK_NAME_LEN);
+ os_memset(r0_key_data, 0, sizeof(r0_key_data));
+ return 0;
}
*
* IEEE Std 802.11r-2008 - 8.5.1.5.4
*/
-void wpa_derive_pmk_r1_name(const u8 *pmk_r0_name, const u8 *r1kh_id,
- const u8 *s1kh_id, u8 *pmk_r1_name)
+int wpa_derive_pmk_r1_name(const u8 *pmk_r0_name, const u8 *r1kh_id,
+ const u8 *s1kh_id, u8 *pmk_r1_name, int use_sha384)
{
- u8 hash[32];
+ u8 hash[48];
const u8 *addr[4];
size_t len[4];
/*
- * PMKR1Name = Truncate-128(SHA-256("FT-R1N" || PMKR0Name ||
- * R1KH-ID || S1KH-ID))
+ * PMKR1Name = Truncate-128(Hash("FT-R1N" || PMKR0Name ||
+ * R1KH-ID || S1KH-ID))
*/
addr[0] = (const u8 *) "FT-R1N";
len[0] = 6;
addr[3] = s1kh_id;
len[3] = ETH_ALEN;
- sha256_vector(4, addr, len, hash);
+#ifdef CONFIG_SHA384
+ if (use_sha384 && sha384_vector(4, addr, len, hash) < 0)
+ return -1;
+#endif /* CONFIG_SHA384 */
+ if (!use_sha384 && sha256_vector(4, addr, len, hash) < 0)
+ return -1;
os_memcpy(pmk_r1_name, hash, WPA_PMK_NAME_LEN);
+ return 0;
}
*
* IEEE Std 802.11r-2008 - 8.5.1.5.4
*/
-void wpa_derive_pmk_r1(const u8 *pmk_r0, const u8 *pmk_r0_name,
- const u8 *r1kh_id, const u8 *s1kh_id,
- u8 *pmk_r1, u8 *pmk_r1_name)
+int wpa_derive_pmk_r1(const u8 *pmk_r0, size_t pmk_r0_len,
+ const u8 *pmk_r0_name,
+ const u8 *r1kh_id, const u8 *s1kh_id,
+ u8 *pmk_r1, u8 *pmk_r1_name)
{
u8 buf[FT_R1KH_ID_LEN + ETH_ALEN];
u8 *pos;
/* PMK-R1 = KDF-256(PMK-R0, "FT-R1", R1KH-ID || S1KH-ID) */
+ wpa_printf(MSG_DEBUG, "FT: Derive PMK-R1 using KDF-%s",
+ pmk_r0_len == SHA384_MAC_LEN ? "SHA384" : "SHA256");
+ wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R0", pmk_r0, pmk_r0_len);
+ wpa_hexdump(MSG_DEBUG, "FT: R1KH-ID", r1kh_id, FT_R1KH_ID_LEN);
+ wpa_printf(MSG_DEBUG, "FT: S1KH-ID: " MACSTR, MAC2STR(s1kh_id));
pos = buf;
os_memcpy(pos, r1kh_id, FT_R1KH_ID_LEN);
pos += FT_R1KH_ID_LEN;
os_memcpy(pos, s1kh_id, ETH_ALEN);
pos += ETH_ALEN;
- sha256_prf(pmk_r0, PMK_LEN, "FT-R1", buf, pos - buf, pmk_r1, PMK_LEN);
+#ifdef CONFIG_SHA384
+ if (pmk_r0_len == SHA384_MAC_LEN &&
+ sha384_prf(pmk_r0, pmk_r0_len, "FT-R1",
+ buf, pos - buf, pmk_r1, pmk_r0_len) < 0)
+ return -1;
+#endif /* CONFIG_SHA384 */
+ if (pmk_r0_len == PMK_LEN &&
+ sha256_prf(pmk_r0, pmk_r0_len, "FT-R1",
+ buf, pos - buf, pmk_r1, pmk_r0_len) < 0)
+ return -1;
+ if (pmk_r0_len != SHA384_MAC_LEN && pmk_r0_len != PMK_LEN) {
+ wpa_printf(MSG_ERROR, "FT: Unexpected PMK-R0 length %d",
+ (int) pmk_r0_len);
+ return -1;
+ }
+ wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R1", pmk_r1, pmk_r0_len);
- wpa_derive_pmk_r1_name(pmk_r0_name, r1kh_id, s1kh_id, pmk_r1_name);
+ return wpa_derive_pmk_r1_name(pmk_r0_name, r1kh_id, s1kh_id,
+ pmk_r1_name,
+ pmk_r0_len == SHA384_MAC_LEN);
}
*
* IEEE Std 802.11r-2008 - 8.5.1.5.5
*/
-int wpa_pmk_r1_to_ptk(const u8 *pmk_r1, const u8 *snonce, const u8 *anonce,
+int wpa_pmk_r1_to_ptk(const u8 *pmk_r1, size_t pmk_r1_len,
+ const u8 *snonce, const u8 *anonce,
const u8 *sta_addr, const u8 *bssid,
const u8 *pmk_r1_name,
struct wpa_ptk *ptk, u8 *ptk_name, int akmp, int cipher)
u8 *pos, hash[32];
const u8 *addr[6];
size_t len[6];
- u8 tmp[WPA_KCK_MAX_LEN + WPA_KEK_MAX_LEN + WPA_TK_MAX_LEN];
- size_t ptk_len;
+ u8 tmp[2 * WPA_KCK_MAX_LEN + 2 * WPA_KEK_MAX_LEN + WPA_TK_MAX_LEN];
+ size_t ptk_len, offset;
+ int use_sha384 = wpa_key_mgmt_sha384(akmp);
/*
* PTK = KDF-PTKLen(PMK-R1, "FT-PTK", SNonce || ANonce ||
* BSSID || STA-ADDR)
*/
+ wpa_printf(MSG_DEBUG, "FT: Derive PTK using KDF-%s",
+ use_sha384 ? "SHA384" : "SHA256");
+ wpa_hexdump_key(MSG_DEBUG, "FT: PMK-R1", pmk_r1, pmk_r1_len);
+ wpa_hexdump(MSG_DEBUG, "FT: SNonce", snonce, WPA_NONCE_LEN);
+ wpa_hexdump(MSG_DEBUG, "FT: ANonce", anonce, WPA_NONCE_LEN);
+ wpa_printf(MSG_DEBUG, "FT: BSSID=" MACSTR " STA-ADDR=" MACSTR,
+ MAC2STR(bssid), MAC2STR(sta_addr));
pos = buf;
os_memcpy(pos, snonce, WPA_NONCE_LEN);
pos += WPA_NONCE_LEN;
os_memcpy(pos, sta_addr, ETH_ALEN);
pos += ETH_ALEN;
- ptk->kck_len = wpa_kck_len(akmp);
- ptk->kek_len = wpa_kek_len(akmp);
+ ptk->kck_len = wpa_kck_len(akmp, PMK_LEN);
+ ptk->kck2_len = wpa_kck2_len(akmp);
+ ptk->kek_len = wpa_kek_len(akmp, PMK_LEN);
+ ptk->kek2_len = wpa_kek2_len(akmp);
ptk->tk_len = wpa_cipher_key_len(cipher);
- ptk_len = ptk->kck_len + ptk->kek_len + ptk->tk_len;
-
- sha256_prf(pmk_r1, PMK_LEN, "FT-PTK", buf, pos - buf, tmp, ptk_len);
+ ptk_len = ptk->kck_len + ptk->kek_len + ptk->tk_len +
+ ptk->kck2_len + ptk->kek2_len;
+
+#ifdef CONFIG_SHA384
+ if (use_sha384) {
+ if (pmk_r1_len != SHA384_MAC_LEN) {
+ wpa_printf(MSG_ERROR,
+ "FT: Unexpected PMK-R1 length %d (expected %d)",
+ (int) pmk_r1_len, SHA384_MAC_LEN);
+ return -1;
+ }
+ if (sha384_prf(pmk_r1, pmk_r1_len, "FT-PTK",
+ buf, pos - buf, tmp, ptk_len) < 0)
+ return -1;
+ }
+#endif /* CONFIG_SHA384 */
+ if (!use_sha384) {
+ if (pmk_r1_len != PMK_LEN) {
+ wpa_printf(MSG_ERROR,
+ "FT: Unexpected PMK-R1 length %d (expected %d)",
+ (int) pmk_r1_len, PMK_LEN);
+ return -1;
+ }
+ if (sha256_prf(pmk_r1, pmk_r1_len, "FT-PTK",
+ buf, pos - buf, tmp, ptk_len) < 0)
+ return -1;
+ }
+ wpa_hexdump_key(MSG_DEBUG, "FT: PTK", tmp, ptk_len);
/*
* PTKName = Truncate-128(SHA-256(PMKR1Name || "FT-PTKN" || SNonce ||
* ANonce || BSSID || STA-ADDR))
*/
+ wpa_hexdump(MSG_DEBUG, "FT: PMKR1Name", pmk_r1_name, WPA_PMK_NAME_LEN);
addr[0] = pmk_r1_name;
len[0] = WPA_PMK_NAME_LEN;
addr[1] = (const u8 *) "FT-PTKN";
addr[5] = sta_addr;
len[5] = ETH_ALEN;
- sha256_vector(6, addr, len, hash);
+ if (sha256_vector(6, addr, len, hash) < 0)
+ return -1;
os_memcpy(ptk_name, hash, WPA_PMK_NAME_LEN);
os_memcpy(ptk->kck, tmp, ptk->kck_len);
- os_memcpy(ptk->kek, tmp + ptk->kck_len, ptk->kek_len);
- os_memcpy(ptk->tk, tmp + ptk->kck_len + ptk->kek_len, ptk->tk_len);
+ offset = ptk->kck_len;
+ os_memcpy(ptk->kek, tmp + offset, ptk->kek_len);
+ offset += ptk->kek_len;
+ os_memcpy(ptk->tk, tmp + offset, ptk->tk_len);
+ offset += ptk->tk_len;
+ os_memcpy(ptk->kck2, tmp + offset, ptk->kck2_len);
+ offset += ptk->kck2_len;
+ os_memcpy(ptk->kek2, tmp + offset, ptk->kek2_len);
wpa_hexdump_key(MSG_DEBUG, "FT: KCK", ptk->kck, ptk->kck_len);
wpa_hexdump_key(MSG_DEBUG, "FT: KEK", ptk->kek, ptk->kek_len);
+ if (ptk->kck2_len)
+ wpa_hexdump_key(MSG_DEBUG, "FT: KCK2",
+ ptk->kck2, ptk->kck2_len);
+ if (ptk->kek2_len)
+ wpa_hexdump_key(MSG_DEBUG, "FT: KEK2",
+ ptk->kek2, ptk->kek2_len);
wpa_hexdump_key(MSG_DEBUG, "FT: TK", ptk->tk, ptk->tk_len);
wpa_hexdump(MSG_DEBUG, "FT: PTKName", ptk_name, WPA_PMK_NAME_LEN);
* @aa: Authenticator address
* @spa: Supplicant address
* @pmkid: Buffer for PMKID
- * @use_sha256: Whether to use SHA256-based KDF
+ * @akmp: Negotiated key management protocol
*
- * IEEE Std 802.11i-2004 - 8.5.1.2 Pairwise key hierarchy
- * PMKID = HMAC-SHA1-128(PMK, "PMK Name" || AA || SPA)
+ * IEEE Std 802.11-2016 - 12.7.1.3 Pairwise key hierarchy
+ * AKM: 00-0F-AC:5, 00-0F-AC:6, 00-0F-AC:14, 00-0F-AC:16
+ * PMKID = Truncate-128(HMAC-SHA-256(PMK, "PMK Name" || AA || SPA))
+ * AKM: 00-0F-AC:11
+ * See rsn_pmkid_suite_b()
+ * AKM: 00-0F-AC:12
+ * See rsn_pmkid_suite_b_192()
+ * AKM: 00-0F-AC:13, 00-0F-AC:15, 00-0F-AC:17
+ * PMKID = Truncate-128(HMAC-SHA-384(PMK, "PMK Name" || AA || SPA))
+ * Otherwise:
+ * PMKID = Truncate-128(HMAC-SHA-1(PMK, "PMK Name" || AA || SPA))
*/
void rsn_pmkid(const u8 *pmk, size_t pmk_len, const u8 *aa, const u8 *spa,
- u8 *pmkid, int use_sha256)
+ u8 *pmkid, int akmp)
{
char *title = "PMK Name";
const u8 *addr[3];
const size_t len[3] = { 8, ETH_ALEN, ETH_ALEN };
- unsigned char hash[SHA256_MAC_LEN];
+ unsigned char hash[SHA384_MAC_LEN];
addr[0] = (u8 *) title;
addr[1] = aa;
addr[2] = spa;
-#ifdef CONFIG_IEEE80211W
- if (use_sha256)
+ if (0) {
+#if defined(CONFIG_FILS) || defined(CONFIG_SHA384)
+ } else if (wpa_key_mgmt_sha384(akmp)) {
+ wpa_printf(MSG_DEBUG, "RSN: Derive PMKID using HMAC-SHA-384");
+ hmac_sha384_vector(pmk, pmk_len, 3, addr, len, hash);
+#endif /* CONFIG_FILS || CONFIG_SHA384 */
+ } else if (wpa_key_mgmt_sha256(akmp)) {
+ wpa_printf(MSG_DEBUG, "RSN: Derive PMKID using HMAC-SHA-256");
hmac_sha256_vector(pmk, pmk_len, 3, addr, len, hash);
- else
-#endif /* CONFIG_IEEE80211W */
+ } else {
+ wpa_printf(MSG_DEBUG, "RSN: Derive PMKID using HMAC-SHA-1");
hmac_sha1_vector(pmk, pmk_len, 3, addr, len, hash);
+ }
+ wpa_hexdump(MSG_DEBUG, "RSN: Derived PMKID", hash, PMKID_LEN);
os_memcpy(pmkid, hash, PMKID_LEN);
}
return "GCMP-256";
case WPA_CIPHER_CCMP_256:
return "CCMP-256";
+ case WPA_CIPHER_AES_128_CMAC:
+ return "BIP";
+ case WPA_CIPHER_BIP_GMAC_128:
+ return "BIP-GMAC-128";
+ case WPA_CIPHER_BIP_GMAC_256:
+ return "BIP-GMAC-256";
+ case WPA_CIPHER_BIP_CMAC_256:
+ return "BIP-CMAC-256";
case WPA_CIPHER_GTK_NOT_USED:
return "GTK_NOT_USED";
default:
#ifdef CONFIG_IEEE80211R
case WPA_KEY_MGMT_FT_IEEE8021X:
return "FT-EAP";
+ case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
+ return "FT-EAP-SHA384";
case WPA_KEY_MGMT_FT_PSK:
return "FT-PSK";
#endif /* CONFIG_IEEE80211R */
-#ifdef CONFIG_IEEE80211W
case WPA_KEY_MGMT_IEEE8021X_SHA256:
return "WPA2-EAP-SHA256";
case WPA_KEY_MGMT_PSK_SHA256:
return "WPA2-PSK-SHA256";
-#endif /* CONFIG_IEEE80211W */
case WPA_KEY_MGMT_WPS:
return "WPS";
case WPA_KEY_MGMT_SAE:
return "FT-FILS-SHA256";
case WPA_KEY_MGMT_FT_FILS_SHA384:
return "FT-FILS-SHA384";
+ case WPA_KEY_MGMT_OWE:
+ return "OWE";
+ case WPA_KEY_MGMT_DPP:
+ return "DPP";
default:
return "UNKNOWN";
}
u32 wpa_akm_to_suite(int akm)
{
+ if (akm & WPA_KEY_MGMT_FT_IEEE8021X_SHA384)
+ return RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
if (akm & WPA_KEY_MGMT_FT_IEEE8021X)
- return WLAN_AKM_SUITE_FT_8021X;
+ return RSN_AUTH_KEY_MGMT_FT_802_1X;
if (akm & WPA_KEY_MGMT_FT_PSK)
- return WLAN_AKM_SUITE_FT_PSK;
- if (akm & WPA_KEY_MGMT_IEEE8021X)
- return WLAN_AKM_SUITE_8021X;
+ return RSN_AUTH_KEY_MGMT_FT_PSK;
if (akm & WPA_KEY_MGMT_IEEE8021X_SHA256)
- return WLAN_AKM_SUITE_8021X_SHA256;
+ return RSN_AUTH_KEY_MGMT_802_1X_SHA256;
if (akm & WPA_KEY_MGMT_IEEE8021X)
- return WLAN_AKM_SUITE_8021X;
+ return RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
if (akm & WPA_KEY_MGMT_PSK_SHA256)
- return WLAN_AKM_SUITE_PSK_SHA256;
+ return RSN_AUTH_KEY_MGMT_PSK_SHA256;
if (akm & WPA_KEY_MGMT_PSK)
- return WLAN_AKM_SUITE_PSK;
+ return RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
if (akm & WPA_KEY_MGMT_CCKM)
- return WLAN_AKM_SUITE_CCKM;
+ return RSN_AUTH_KEY_MGMT_CCKM;
if (akm & WPA_KEY_MGMT_OSEN)
- return WLAN_AKM_SUITE_OSEN;
+ return RSN_AUTH_KEY_MGMT_OSEN;
if (akm & WPA_KEY_MGMT_IEEE8021X_SUITE_B)
- return WLAN_AKM_SUITE_8021X_SUITE_B;
+ return RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
if (akm & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
- return WLAN_AKM_SUITE_8021X_SUITE_B_192;
+ return RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
if (akm & WPA_KEY_MGMT_FILS_SHA256)
- return WLAN_AKM_SUITE_FILS_SHA256;
+ return RSN_AUTH_KEY_MGMT_FILS_SHA256;
if (akm & WPA_KEY_MGMT_FILS_SHA384)
- return WLAN_AKM_SUITE_FILS_SHA384;
+ return RSN_AUTH_KEY_MGMT_FILS_SHA384;
if (akm & WPA_KEY_MGMT_FT_FILS_SHA256)
- return WLAN_AKM_SUITE_FT_FILS_SHA256;
+ return RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
if (akm & WPA_KEY_MGMT_FT_FILS_SHA384)
- return WLAN_AKM_SUITE_FT_FILS_SHA384;
+ return RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
+ if (akm & WPA_KEY_MGMT_SAE)
+ return RSN_AUTH_KEY_MGMT_SAE;
+ if (akm & WPA_KEY_MGMT_FT_SAE)
+ return RSN_AUTH_KEY_MGMT_FT_SAE;
+ if (akm & WPA_KEY_MGMT_OWE)
+ return RSN_AUTH_KEY_MGMT_OWE;
+ if (akm & WPA_KEY_MGMT_DPP)
+ return RSN_AUTH_KEY_MGMT_DPP;
+ if (akm & WPA_KEY_MGMT_OSEN)
+ return RSN_AUTH_KEY_MGMT_OSEN;
return 0;
}
}
-#if defined(CONFIG_IEEE80211R) || defined(CONFIG_FILS)
int wpa_insert_pmkid(u8 *ies, size_t *ies_len, const u8 *pmkid)
{
u8 *start, *end, *rpos, *rend;
start += 2 + start[1];
}
if (start >= end) {
- wpa_printf(MSG_ERROR, "FT: Could not find RSN IE in "
- "IEs data");
+ wpa_printf(MSG_ERROR, "RSN: Could not find RSNE in IEs data");
return -1;
}
- wpa_hexdump(MSG_DEBUG, "FT: RSN IE before modification",
+ wpa_hexdump(MSG_DEBUG, "RSN: RSNE before modification",
start, 2 + start[1]);
/* Find start of PMKID-Count */
/* Skip RSN Capabilities */
rpos += 2;
if (rpos > rend) {
- wpa_printf(MSG_ERROR, "FT: Could not parse RSN IE in "
- "IEs data");
+ wpa_printf(MSG_ERROR,
+ "RSN: Could not parse RSNE in IEs data");
return -1;
}
}
* PMKID(s) first before adding the new one.
*/
wpa_printf(MSG_DEBUG,
- "FT: Remove %u old PMKID(s) from RSN IE",
+ "RSN: Remove %u old PMKID(s) from RSNE",
num_pmkid);
after = rpos + 2 + num_pmkid * PMKID_LEN;
os_memmove(rpos + 2, after, rend - after);
start[1] += PMKID_LEN;
}
- wpa_hexdump(MSG_DEBUG, "FT: RSN IE after modification "
- "(PMKID inserted)", start, 2 + start[1]);
+ wpa_hexdump(MSG_DEBUG, "RSN: RSNE after modification (PMKID inserted)",
+ start, 2 + start[1]);
*ies_len += added;
return 0;
}
-#endif /* CONFIG_IEEE80211R || CONFIG_FILS */
int wpa_cipher_key_len(int cipher)
}
-int wpa_cipher_to_alg(int cipher)
+enum wpa_alg wpa_cipher_to_alg(int cipher)
{
switch (cipher) {
case WPA_CIPHER_CCMP_256:
val |= WPA_CIPHER_NONE;
else if (os_strcmp(start, "GTK_NOT_USED") == 0)
val |= WPA_CIPHER_GTK_NOT_USED;
+ else if (os_strcmp(start, "AES-128-CMAC") == 0)
+ val |= WPA_CIPHER_AES_128_CMAC;
+ else if (os_strcmp(start, "BIP-GMAC-128") == 0)
+ val |= WPA_CIPHER_BIP_GMAC_128;
+ else if (os_strcmp(start, "BIP-GMAC-256") == 0)
+ val |= WPA_CIPHER_BIP_GMAC_256;
+ else if (os_strcmp(start, "BIP-CMAC-256") == 0)
+ val |= WPA_CIPHER_BIP_CMAC_256;
else {
os_free(buf);
return -1;
return -1;
pos += ret;
}
+ if (ciphers & WPA_CIPHER_AES_128_CMAC) {
+ ret = os_snprintf(pos, end - pos, "%sAES-128-CMAC",
+ pos == start ? "" : delim);
+ if (os_snprintf_error(end - pos, ret))
+ return -1;
+ pos += ret;
+ }
+ if (ciphers & WPA_CIPHER_BIP_GMAC_128) {
+ ret = os_snprintf(pos, end - pos, "%sBIP-GMAC-128",
+ pos == start ? "" : delim);
+ if (os_snprintf_error(end - pos, ret))
+ return -1;
+ pos += ret;
+ }
+ if (ciphers & WPA_CIPHER_BIP_GMAC_256) {
+ ret = os_snprintf(pos, end - pos, "%sBIP-GMAC-256",
+ pos == start ? "" : delim);
+ if (os_snprintf_error(end - pos, ret))
+ return -1;
+ pos += ret;
+ }
+ if (ciphers & WPA_CIPHER_BIP_CMAC_256) {
+ ret = os_snprintf(pos, end - pos, "%sBIP-CMAC-256",
+ pos == start ? "" : delim);
+ if (os_snprintf_error(end - pos, ret))
+ return -1;
+ pos += ret;
+ }
if (ciphers & WPA_CIPHER_NONE) {
ret = os_snprintf(pos, end - pos, "%sNONE",
pos == start ? "" : delim);
#ifdef CONFIG_FILS
-u16 fils_domain_name_hash(const char *domain)
+int fils_domain_name_hash(const char *domain, u8 *hash)
{
char buf[255], *wpos = buf;
const char *pos = domain;
size_t len;
- u32 crc;
+ const u8 *addr[1];
+ u8 mac[SHA256_MAC_LEN];
for (len = 0; len < sizeof(buf) && *pos; len++) {
if (isalpha(*pos) && isupper(*pos))
pos++;
}
- crc = crc32((const u8 *) buf, len);
- return crc & 0xffff;
+ addr[0] = (const u8 *) buf;
+ if (sha256_vector(1, addr, &len, mac) < 0)
+ return -1;
+ os_memcpy(hash, mac, 2);
+ return 0;
}
#endif /* CONFIG_FILS */
projects / thirdparty / hostap.git / blobdiff