| /* |
| * WPA definitions shared between hostapd and wpa_supplicant |
| * Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi> |
| * |
| * This software may be distributed under the terms of the BSD license. |
| * See README for more details. |
| */ |
| |
| #ifndef WPA_COMMON_H |
| #define WPA_COMMON_H |
| |
| #define WPA_MAX_SSID_LEN 32 |
| |
| /* IEEE 802.11i */ |
| #define PMKID_LEN 16 |
| #define PMK_LEN 32 |
| #define WPA_REPLAY_COUNTER_LEN 8 |
| #define WPA_NONCE_LEN 32 |
| #define WPA_KEY_RSC_LEN 8 |
| #define WPA_GMK_LEN 32 |
| #define WPA_GTK_MAX_LEN 32 |
| |
| #define WPA_SELECTOR_LEN 4 |
| #define WPA_VERSION 1 |
| #define RSN_SELECTOR_LEN 4 |
| #define RSN_VERSION 1 |
| |
| #define RSN_SELECTOR(a, b, c, d) \ |
| ((((u32) (a)) << 24) | (((u32) (b)) << 16) | (((u32) (c)) << 8) | \ |
| (u32) (d)) |
| |
| #define WPA_AUTH_KEY_MGMT_NONE RSN_SELECTOR(0x00, 0x50, 0xf2, 0) |
| #define WPA_AUTH_KEY_MGMT_UNSPEC_802_1X RSN_SELECTOR(0x00, 0x50, 0xf2, 1) |
| #define WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X RSN_SELECTOR(0x00, 0x50, 0xf2, 2) |
| #define WPA_CIPHER_SUITE_NONE RSN_SELECTOR(0x00, 0x50, 0xf2, 0) |
| #define WPA_CIPHER_SUITE_WEP40 RSN_SELECTOR(0x00, 0x50, 0xf2, 1) |
| #define WPA_CIPHER_SUITE_TKIP RSN_SELECTOR(0x00, 0x50, 0xf2, 2) |
| #if 0 |
| #define WPA_CIPHER_SUITE_WRAP RSN_SELECTOR(0x00, 0x50, 0xf2, 3) |
| #endif |
| #define WPA_CIPHER_SUITE_CCMP RSN_SELECTOR(0x00, 0x50, 0xf2, 4) |
| #define WPA_CIPHER_SUITE_WEP104 RSN_SELECTOR(0x00, 0x50, 0xf2, 5) |
| |
| |
| #define RSN_AUTH_KEY_MGMT_UNSPEC_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 1) |
| #define RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 2) |
| #ifdef CONFIG_IEEE80211R |
| #define RSN_AUTH_KEY_MGMT_FT_802_1X RSN_SELECTOR(0x00, 0x0f, 0xac, 3) |
| #define RSN_AUTH_KEY_MGMT_FT_PSK RSN_SELECTOR(0x00, 0x0f, 0xac, 4) |
| #endif /* CONFIG_IEEE80211R */ |
| #define RSN_AUTH_KEY_MGMT_802_1X_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 5) |
| #define RSN_AUTH_KEY_MGMT_PSK_SHA256 RSN_SELECTOR(0x00, 0x0f, 0xac, 6) |
| #define RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE RSN_SELECTOR(0x00, 0x0f, 0xac, 7) |
| |
| #define RSN_CIPHER_SUITE_NONE RSN_SELECTOR(0x00, 0x0f, 0xac, 0) |
| #define RSN_CIPHER_SUITE_WEP40 RSN_SELECTOR(0x00, 0x0f, 0xac, 1) |
| #define RSN_CIPHER_SUITE_TKIP RSN_SELECTOR(0x00, 0x0f, 0xac, 2) |
| #if 0 |
| #define RSN_CIPHER_SUITE_WRAP RSN_SELECTOR(0x00, 0x0f, 0xac, 3) |
| #endif |
| #define RSN_CIPHER_SUITE_CCMP RSN_SELECTOR(0x00, 0x0f, 0xac, 4) |
| #define RSN_CIPHER_SUITE_WEP104 RSN_SELECTOR(0x00, 0x0f, 0xac, 5) |
| #ifdef CONFIG_IEEE80211W |
| #define RSN_CIPHER_SUITE_AES_128_CMAC RSN_SELECTOR(0x00, 0x0f, 0xac, 6) |
| #endif /* CONFIG_IEEE80211W */ |
| #define RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED RSN_SELECTOR(0x00, 0x0f, 0xac, 7) |
| #define RSN_CIPHER_SUITE_GCMP RSN_SELECTOR(0x00, 0x0f, 0xac, 8) |
| |
| /* EAPOL-Key Key Data Encapsulation |
| * GroupKey and PeerKey require encryption, otherwise, encryption is optional. |
| */ |
| #define RSN_KEY_DATA_GROUPKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 1) |
| #if 0 |
| #define RSN_KEY_DATA_STAKEY RSN_SELECTOR(0x00, 0x0f, 0xac, 2) |
| #endif |
| #define RSN_KEY_DATA_MAC_ADDR RSN_SELECTOR(0x00, 0x0f, 0xac, 3) |
| #define RSN_KEY_DATA_PMKID RSN_SELECTOR(0x00, 0x0f, 0xac, 4) |
| #ifdef CONFIG_PEERKEY |
| #define RSN_KEY_DATA_SMK RSN_SELECTOR(0x00, 0x0f, 0xac, 5) |
| #define RSN_KEY_DATA_NONCE RSN_SELECTOR(0x00, 0x0f, 0xac, 6) |
| #define RSN_KEY_DATA_LIFETIME RSN_SELECTOR(0x00, 0x0f, 0xac, 7) |
| #define RSN_KEY_DATA_ERROR RSN_SELECTOR(0x00, 0x0f, 0xac, 8) |
| #endif /* CONFIG_PEERKEY */ |
| #ifdef CONFIG_IEEE80211W |
| #define RSN_KEY_DATA_IGTK RSN_SELECTOR(0x00, 0x0f, 0xac, 9) |
| #endif /* CONFIG_IEEE80211W */ |
| #define RSN_KEY_DATA_KEYID RSN_SELECTOR(0x00, 0x0f, 0xac, 10) |
| #define RSN_KEY_DATA_MULTIBAND_GTK RSN_SELECTOR(0x00, 0x0f, 0xac, 11) |
| #define RSN_KEY_DATA_MULTIBAND_KEYID RSN_SELECTOR(0x00, 0x0f, 0xac, 12) |
| |
| #define WPA_OUI_TYPE RSN_SELECTOR(0x00, 0x50, 0xf2, 1) |
| |
| #define RSN_SELECTOR_PUT(a, val) WPA_PUT_BE32((u8 *) (a), (val)) |
| #define RSN_SELECTOR_GET(a) WPA_GET_BE32((const u8 *) (a)) |
| |
| #define RSN_NUM_REPLAY_COUNTERS_1 0 |
| #define RSN_NUM_REPLAY_COUNTERS_2 1 |
| #define RSN_NUM_REPLAY_COUNTERS_4 2 |
| #define RSN_NUM_REPLAY_COUNTERS_16 3 |
| |
| |
| #ifdef _MSC_VER |
| #pragma pack(push, 1) |
| #endif /* _MSC_VER */ |
| |
| #ifdef CONFIG_IEEE80211W |
| #define WPA_IGTK_LEN 16 |
| #endif /* CONFIG_IEEE80211W */ |
| |
| |
| /* IEEE 802.11, 7.3.2.25.3 RSN Capabilities */ |
| #define WPA_CAPABILITY_PREAUTH BIT(0) |
| #define WPA_CAPABILITY_NO_PAIRWISE BIT(1) |
| /* B2-B3: PTKSA Replay Counter */ |
| /* B4-B5: GTKSA Replay Counter */ |
| #define WPA_CAPABILITY_MFPR BIT(6) |
| #define WPA_CAPABILITY_MFPC BIT(7) |
| /* B8: Reserved */ |
| #define WPA_CAPABILITY_PEERKEY_ENABLED BIT(9) |
| #define WPA_CAPABILITY_SPP_A_MSDU_CAPABLE BIT(10) |
| #define WPA_CAPABILITY_SPP_A_MSDU_REQUIRED BIT(11) |
| #define WPA_CAPABILITY_PBAC BIT(12) |
| #define WPA_CAPABILITY_EXT_KEY_ID_FOR_UNICAST BIT(13) |
| /* B14-B15: Reserved */ |
| |
| |
| /* IEEE 802.11r */ |
| #define MOBILITY_DOMAIN_ID_LEN 2 |
| #define FT_R0KH_ID_MAX_LEN 48 |
| #define FT_R1KH_ID_LEN 6 |
| #define WPA_PMK_NAME_LEN 16 |
| |
| |
| /* IEEE 802.11, 8.5.2 EAPOL-Key frames */ |
| #define WPA_KEY_INFO_TYPE_MASK ((u16) (BIT(0) | BIT(1) | BIT(2))) |
| #define WPA_KEY_INFO_TYPE_HMAC_MD5_RC4 BIT(0) |
| #define WPA_KEY_INFO_TYPE_HMAC_SHA1_AES BIT(1) |
| #define WPA_KEY_INFO_TYPE_AES_128_CMAC 3 |
| #define WPA_KEY_INFO_KEY_TYPE BIT(3) /* 1 = Pairwise, 0 = Group key */ |
| /* bit4..5 is used in WPA, but is reserved in IEEE 802.11i/RSN */ |
| #define WPA_KEY_INFO_KEY_INDEX_MASK (BIT(4) | BIT(5)) |
| #define WPA_KEY_INFO_KEY_INDEX_SHIFT 4 |
| #define WPA_KEY_INFO_INSTALL BIT(6) /* pairwise */ |
| #define WPA_KEY_INFO_TXRX BIT(6) /* group */ |
| #define WPA_KEY_INFO_ACK BIT(7) |
| #define WPA_KEY_INFO_MIC BIT(8) |
| #define WPA_KEY_INFO_SECURE BIT(9) |
| #define WPA_KEY_INFO_ERROR BIT(10) |
| #define WPA_KEY_INFO_REQUEST BIT(11) |
| #define WPA_KEY_INFO_ENCR_KEY_DATA BIT(12) /* IEEE 802.11i/RSN only */ |
| #define WPA_KEY_INFO_SMK_MESSAGE BIT(13) |
| |
| |
| struct wpa_eapol_key { |
| 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[16]; |
| u8 key_data_length[2]; /* big endian */ |
| /* followed by key_data_length bytes of key_data */ |
| } STRUCT_PACKED; |
| |
| /** |
| * struct wpa_ptk - WPA Pairwise Transient Key |
| * IEEE Std 802.11i-2004 - 8.5.1.2 Pairwise key hierarchy |
| */ |
| struct wpa_ptk { |
| u8 kck[16]; /* EAPOL-Key Key Confirmation Key (KCK) */ |
| u8 kek[16]; /* EAPOL-Key Key Encryption Key (KEK) */ |
| u8 tk1[16]; /* Temporal Key 1 (TK1) */ |
| union { |
| u8 tk2[16]; /* Temporal Key 2 (TK2) */ |
| struct { |
| u8 tx_mic_key[8]; |
| u8 rx_mic_key[8]; |
| } auth; |
| } u; |
| } STRUCT_PACKED; |
| |
| |
| /* WPA IE version 1 |
| * 00-50-f2:1 (OUI:OUI type) |
| * 0x01 0x00 (version; little endian) |
| * (all following fields are optional:) |
| * Group Suite Selector (4 octets) (default: TKIP) |
| * Pairwise Suite Count (2 octets, little endian) (default: 1) |
| * Pairwise Suite List (4 * n octets) (default: TKIP) |
| * Authenticated Key Management Suite Count (2 octets, little endian) |
| * (default: 1) |
| * Authenticated Key Management Suite List (4 * n octets) |
| * (default: unspec 802.1X) |
| * WPA Capabilities (2 octets, little endian) (default: 0) |
| */ |
| |
| struct wpa_ie_hdr { |
| u8 elem_id; |
| u8 len; |
| u8 oui[4]; /* 24-bit OUI followed by 8-bit OUI type */ |
| u8 version[2]; /* little endian */ |
| } STRUCT_PACKED; |
| |
| |
| /* 1/4: PMKID |
| * 2/4: RSN IE |
| * 3/4: one or two RSN IEs + GTK IE (encrypted) |
| * 4/4: empty |
| * 1/2: GTK IE (encrypted) |
| * 2/2: empty |
| */ |
| |
| /* RSN IE version 1 |
| * 0x01 0x00 (version; little endian) |
| * (all following fields are optional:) |
| * Group Suite Selector (4 octets) (default: CCMP) |
| * Pairwise Suite Count (2 octets, little endian) (default: 1) |
| * Pairwise Suite List (4 * n octets) (default: CCMP) |
| * Authenticated Key Management Suite Count (2 octets, little endian) |
| * (default: 1) |
| * Authenticated Key Management Suite List (4 * n octets) |
| * (default: unspec 802.1X) |
| * RSN Capabilities (2 octets, little endian) (default: 0) |
| * PMKID Count (2 octets) (default: 0) |
| * PMKID List (16 * n octets) |
| * Management Group Cipher Suite (4 octets) (default: AES-128-CMAC) |
| */ |
| |
| struct rsn_ie_hdr { |
| u8 elem_id; /* WLAN_EID_RSN */ |
| u8 len; |
| u8 version[2]; /* little endian */ |
| } STRUCT_PACKED; |
| |
| |
| #ifdef CONFIG_PEERKEY |
| enum { |
| STK_MUI_4WAY_STA_AP = 1, |
| STK_MUI_4WAY_STAT_STA = 2, |
| STK_MUI_GTK = 3, |
| STK_MUI_SMK = 4 |
| }; |
| |
| enum { |
| STK_ERR_STA_NR = 1, |
| STK_ERR_STA_NRSN = 2, |
| STK_ERR_CPHR_NS = 3, |
| STK_ERR_NO_STSL = 4 |
| }; |
| #endif /* CONFIG_PEERKEY */ |
| |
| struct rsn_error_kde { |
| be16 mui; |
| be16 error_type; |
| } STRUCT_PACKED; |
| |
| #ifdef CONFIG_IEEE80211W |
| struct wpa_igtk_kde { |
| u8 keyid[2]; |
| u8 pn[6]; |
| u8 igtk[WPA_IGTK_LEN]; |
| } STRUCT_PACKED; |
| #endif /* CONFIG_IEEE80211W */ |
| |
| #ifdef CONFIG_IEEE80211R |
| struct rsn_mdie { |
| u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN]; |
| u8 ft_capab; |
| } STRUCT_PACKED; |
| |
| #define RSN_FT_CAPAB_FT_OVER_DS BIT(0) |
| #define RSN_FT_CAPAB_FT_RESOURCE_REQ_SUPP BIT(1) |
| |
| struct rsn_ftie { |
| u8 mic_control[2]; |
| u8 mic[16]; |
| u8 anonce[WPA_NONCE_LEN]; |
| u8 snonce[WPA_NONCE_LEN]; |
| /* followed by optional parameters */ |
| } STRUCT_PACKED; |
| |
| #define FTIE_SUBELEM_R1KH_ID 1 |
| #define FTIE_SUBELEM_GTK 2 |
| #define FTIE_SUBELEM_R0KH_ID 3 |
| #define FTIE_SUBELEM_IGTK 4 |
| |
| struct rsn_rdie { |
| u8 id; |
| u8 descr_count; |
| le16 status_code; |
| } STRUCT_PACKED; |
| |
| #endif /* CONFIG_IEEE80211R */ |
| |
| #ifdef _MSC_VER |
| #pragma pack(pop) |
| #endif /* _MSC_VER */ |
| |
| |
| int wpa_eapol_key_mic(const u8 *key, int ver, const u8 *buf, size_t len, |
| u8 *mic); |
| void 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, |
| u8 *ptk, size_t ptk_len, int use_sha256); |
| |
| #ifdef CONFIG_IEEE80211R |
| int wpa_ft_mic(const u8 *kck, const u8 *sta_addr, const u8 *ap_addr, |
| u8 transaction_seqnum, const u8 *mdie, size_t mdie_len, |
| const u8 *ftie, size_t ftie_len, |
| const u8 *rsnie, size_t rsnie_len, |
| const u8 *ric, size_t ric_len, u8 *mic); |
| 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); |
| void wpa_derive_pmk_r1_name(const u8 *pmk_r0_name, const u8 *r1kh_id, |
| const u8 *s1kh_id, u8 *pmk_r1_name); |
| 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); |
| void wpa_pmk_r1_to_ptk(const u8 *pmk_r1, const u8 *snonce, const u8 *anonce, |
| const u8 *sta_addr, const u8 *bssid, |
| const u8 *pmk_r1_name, |
| u8 *ptk, size_t ptk_len, u8 *ptk_name); |
| #endif /* CONFIG_IEEE80211R */ |
| |
| struct wpa_ie_data { |
| int proto; |
| int pairwise_cipher; |
| int group_cipher; |
| int key_mgmt; |
| int capabilities; |
| size_t num_pmkid; |
| const u8 *pmkid; |
| int mgmt_group_cipher; |
| }; |
| |
| |
| int wpa_parse_wpa_ie_rsn(const u8 *rsn_ie, size_t rsn_ie_len, |
| struct wpa_ie_data *data); |
| int wpa_parse_wpa_ie_wpa(const u8 *wpa_ie, size_t wpa_ie_len, |
| struct wpa_ie_data *data); |
| |
| void rsn_pmkid(const u8 *pmk, size_t pmk_len, const u8 *aa, const u8 *spa, |
| u8 *pmkid, int use_sha256); |
| |
| const char * wpa_cipher_txt(int cipher); |
| const char * wpa_key_mgmt_txt(int key_mgmt, int proto); |
| int wpa_compare_rsn_ie(int ft_initial_assoc, |
| const u8 *ie1, size_t ie1len, |
| const u8 *ie2, size_t ie2len); |
| int wpa_insert_pmkid(u8 *ies, size_t ies_len, const u8 *pmkid); |
| |
| struct wpa_ft_ies { |
| const u8 *mdie; |
| size_t mdie_len; |
| const u8 *ftie; |
| size_t ftie_len; |
| const u8 *r1kh_id; |
| const u8 *gtk; |
| size_t gtk_len; |
| const u8 *r0kh_id; |
| size_t r0kh_id_len; |
| const u8 *rsn; |
| size_t rsn_len; |
| const u8 *rsn_pmkid; |
| const u8 *tie; |
| size_t tie_len; |
| const u8 *igtk; |
| size_t igtk_len; |
| const u8 *ric; |
| size_t ric_len; |
| }; |
| |
| int wpa_ft_parse_ies(const u8 *ies, size_t ies_len, struct wpa_ft_ies *parse); |
| |
| int wpa_cipher_key_len(int cipher); |
| int wpa_cipher_rsc_len(int cipher); |
| int wpa_cipher_to_alg(int cipher); |
| int wpa_cipher_valid_pairwise(int cipher); |
| u32 wpa_cipher_to_suite(int proto, int cipher); |
| int rsn_cipher_put_suites(u8 *pos, int ciphers); |
| int wpa_cipher_put_suites(u8 *pos, int ciphers); |
| |
| #endif /* WPA_COMMON_H */ |
