| /* |
| ************************************************************************* |
| * Ralink Tech Inc. |
| * 5F., No.36, Taiyuan St., Jhubei City, |
| * Hsinchu County 302, |
| * Taiwan, R.O.C. |
| * |
| * (c) Copyright 2002-2007, Ralink Technology, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify * |
| * it under the terms of the GNU General Public License as published by * |
| * the Free Software Foundation; either version 2 of the License, or * |
| * (at your option) any later version. * |
| * * |
| * This program is distributed in the hope that it will be useful, * |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| * GNU General Public License for more details. * |
| * * |
| * You should have received a copy of the GNU General Public License * |
| * along with this program; if not, write to the * |
| * Free Software Foundation, Inc., * |
| * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
| * * |
| ************************************************************************* |
| |
| Module Name: |
| wpa.h |
| |
| Abstract: |
| |
| Revision History: |
| Who When What |
| -------- ---------- ---------------------------------------------- |
| Name Date Modification logs |
| */ |
| |
| #ifndef __WPA_H__ |
| #define __WPA_H__ |
| |
| /* EAPOL Key descripter frame format related length */ |
| #define LEN_KEY_DESC_NONCE 32 |
| #define LEN_KEY_DESC_IV 16 |
| #define LEN_KEY_DESC_RSC 8 |
| #define LEN_KEY_DESC_ID 8 |
| #define LEN_KEY_DESC_REPLAY 8 |
| #define LEN_KEY_DESC_MIC 16 |
| |
| /* The length is the EAPoL-Key frame except key data field. */ |
| /* Please refer to 802.11i-2004 ,Figure 43u in p.78 */ |
| #define LEN_EAPOL_KEY_MSG (sizeof(struct rt_key_descripter) - MAX_LEN_OF_RSNIE) |
| |
| /* EAP Code Type. */ |
| #define EAP_CODE_REQUEST 1 |
| #define EAP_CODE_RESPONSE 2 |
| #define EAP_CODE_SUCCESS 3 |
| #define EAP_CODE_FAILURE 4 |
| |
| /* EAPOL frame Protocol Version */ |
| #define EAPOL_VER 1 |
| #define EAPOL_VER2 2 |
| |
| /* EAPOL-KEY Descriptor Type */ |
| #define WPA1_KEY_DESC 0xfe |
| #define WPA2_KEY_DESC 0x02 |
| |
| /* Key Descriptor Version of Key Information */ |
| #define DESC_TYPE_TKIP 1 |
| #define DESC_TYPE_AES 2 |
| |
| #define LEN_MSG1_2WAY 0x7f |
| #define MAX_LEN_OF_EAP_HS 256 |
| |
| #define LEN_MASTER_KEY 32 |
| |
| /* EAPOL EK, MK */ |
| #define LEN_EAP_EK 16 |
| #define LEN_EAP_MICK 16 |
| #define LEN_EAP_KEY ((LEN_EAP_EK)+(LEN_EAP_MICK)) |
| /* TKIP key related */ |
| #define LEN_PMKID 16 |
| #define LEN_TKIP_EK 16 |
| #define LEN_TKIP_RXMICK 8 |
| #define LEN_TKIP_TXMICK 8 |
| #define LEN_AES_EK 16 |
| #define LEN_AES_KEY LEN_AES_EK |
| #define LEN_TKIP_KEY ((LEN_TKIP_EK)+(LEN_TKIP_RXMICK)+(LEN_TKIP_TXMICK)) |
| #define TKIP_AP_TXMICK_OFFSET ((LEN_EAP_KEY)+(LEN_TKIP_EK)) |
| #define TKIP_AP_RXMICK_OFFSET (TKIP_AP_TXMICK_OFFSET+LEN_TKIP_TXMICK) |
| #define TKIP_GTK_LENGTH ((LEN_TKIP_EK)+(LEN_TKIP_RXMICK)+(LEN_TKIP_TXMICK)) |
| #define LEN_PTK ((LEN_EAP_KEY)+(LEN_TKIP_KEY)) |
| #define MIN_LEN_OF_GTK 5 |
| #define LEN_PMK 32 |
| #define LEN_PMK_NAME 16 |
| #define LEN_NONCE 32 |
| |
| /* RSN IE Length definition */ |
| #define MAX_LEN_OF_RSNIE 255 |
| #define MIN_LEN_OF_RSNIE 8 |
| |
| #define KEY_LIFETIME 3600 |
| |
| /*EAP Packet Type */ |
| #define EAPPacket 0 |
| #define EAPOLStart 1 |
| #define EAPOLLogoff 2 |
| #define EAPOLKey 3 |
| #define EAPOLASFAlert 4 |
| #define EAPTtypeMax 5 |
| |
| #define EAPOL_MSG_INVALID 0 |
| #define EAPOL_PAIR_MSG_1 1 |
| #define EAPOL_PAIR_MSG_2 2 |
| #define EAPOL_PAIR_MSG_3 3 |
| #define EAPOL_PAIR_MSG_4 4 |
| #define EAPOL_GROUP_MSG_1 5 |
| #define EAPOL_GROUP_MSG_2 6 |
| |
| #define PAIRWISEKEY 1 |
| #define GROUPKEY 0 |
| |
| /* Retry timer counter initial value */ |
| #define PEER_MSG1_RETRY_TIMER_CTR 0 |
| #define PEER_MSG3_RETRY_TIMER_CTR 10 |
| #define GROUP_MSG1_RETRY_TIMER_CTR 20 |
| |
| /*#ifdef CONFIG_AP_SUPPORT */ |
| /* WPA mechanism retry timer interval */ |
| #define PEER_MSG1_RETRY_EXEC_INTV 1000 /* 1 sec */ |
| #define PEER_MSG3_RETRY_EXEC_INTV 3000 /* 3 sec */ |
| #define GROUP_KEY_UPDATE_EXEC_INTV 1000 /* 1 sec */ |
| #define PEER_GROUP_KEY_UPDATE_INIV 2000 /* 2 sec */ |
| |
| #define ENQUEUE_EAPOL_START_TIMER 200 /* 200 ms */ |
| |
| /* group rekey interval */ |
| #define TIME_REKEY 0 |
| #define PKT_REKEY 1 |
| #define DISABLE_REKEY 2 |
| #define MAX_REKEY 2 |
| |
| #define MAX_REKEY_INTER 0x3ffffff |
| /*#endif // CONFIG_AP_SUPPORT // */ |
| |
| #define GROUP_SUITE 0 |
| #define PAIRWISE_SUITE 1 |
| #define AKM_SUITE 2 |
| #define PMKID_LIST 3 |
| |
| #define EAPOL_START_DISABLE 0 |
| #define EAPOL_START_PSK 1 |
| #define EAPOL_START_1X 2 |
| |
| #define MIX_CIPHER_WPA_TKIP_ON(x) (((x) & 0x08) != 0) |
| #define MIX_CIPHER_WPA_AES_ON(x) (((x) & 0x04) != 0) |
| #define MIX_CIPHER_WPA2_TKIP_ON(x) (((x) & 0x02) != 0) |
| #define MIX_CIPHER_WPA2_AES_ON(x) (((x) & 0x01) != 0) |
| |
| #ifndef ROUND_UP |
| #define ROUND_UP(__x, __y) \ |
| (((unsigned long)((__x)+((__y)-1))) & ((unsigned long)~((__y)-1))) |
| #endif |
| |
| #define SET_u16_TO_ARRARY(_V, _LEN) \ |
| { \ |
| _V[0] = (_LEN & 0xFF00) >> 8; \ |
| _V[1] = (_LEN & 0xFF); \ |
| } |
| |
| #define INC_u16_TO_ARRARY(_V, _LEN) \ |
| { \ |
| u16 var_len; \ |
| \ |
| var_len = (_V[0]<<8) | (_V[1]); \ |
| var_len += _LEN; \ |
| \ |
| _V[0] = (var_len & 0xFF00) >> 8; \ |
| _V[1] = (var_len & 0xFF); \ |
| } |
| |
| #define CONV_ARRARY_TO_u16(_V) ((_V[0]<<8) | (_V[1])) |
| |
| #define ADD_ONE_To_64BIT_VAR(_V) \ |
| { \ |
| u8 cnt = LEN_KEY_DESC_REPLAY; \ |
| do \ |
| { \ |
| cnt--; \ |
| _V[cnt]++; \ |
| if (cnt == 0) \ |
| break; \ |
| }while (_V[cnt] == 0); \ |
| } |
| |
| #define IS_WPA_CAPABILITY(a) (((a) >= Ndis802_11AuthModeWPA) && ((a) <= Ndis802_11AuthModeWPA1PSKWPA2PSK)) |
| |
| /* EAPOL Key Information definition within Key descriptor format */ |
| struct PACKED rt_key_info { |
| u8 KeyMic:1; |
| u8 Secure:1; |
| u8 Error:1; |
| u8 Request:1; |
| u8 EKD_DL:1; /* EKD for AP; DL for STA */ |
| u8 Rsvd:3; |
| u8 KeyDescVer:3; |
| u8 KeyType:1; |
| u8 KeyIndex:2; |
| u8 Install:1; |
| u8 KeyAck:1; |
| }; |
| |
| /* EAPOL Key descriptor format */ |
| struct PACKED rt_key_descripter { |
| u8 Type; |
| struct rt_key_info KeyInfo; |
| u8 KeyLength[2]; |
| u8 ReplayCounter[LEN_KEY_DESC_REPLAY]; |
| u8 KeyNonce[LEN_KEY_DESC_NONCE]; |
| u8 KeyIv[LEN_KEY_DESC_IV]; |
| u8 KeyRsc[LEN_KEY_DESC_RSC]; |
| u8 KeyId[LEN_KEY_DESC_ID]; |
| u8 KeyMic[LEN_KEY_DESC_MIC]; |
| u8 KeyDataLen[2]; |
| u8 KeyData[MAX_LEN_OF_RSNIE]; |
| }; |
| |
| struct PACKED rt_eapol_packet { |
| u8 ProVer; |
| u8 ProType; |
| u8 Body_Len[2]; |
| struct rt_key_descripter KeyDesc; |
| }; |
| |
| /*802.11i D10 page 83 */ |
| struct PACKED rt_gtk_encap { |
| u8 Kid:2; |
| u8 tx:1; |
| u8 rsv:5; |
| u8 rsv1; |
| u8 GTK[TKIP_GTK_LENGTH]; |
| }; |
| |
| struct PACKED rt_kde_encap { |
| u8 Type; |
| u8 Len; |
| u8 OUI[3]; |
| u8 DataType; |
| struct rt_gtk_encap GTKEncap; |
| }; |
| |
| /* For WPA1 */ |
| struct PACKED rt_rsnie { |
| u8 oui[4]; |
| u16 version; |
| u8 mcast[4]; |
| u16 ucount; |
| struct PACKED { |
| u8 oui[4]; |
| } ucast[1]; |
| }; |
| |
| /* For WPA2 */ |
| struct PACKED rt_rsnie2 { |
| u16 version; |
| u8 mcast[4]; |
| u16 ucount; |
| struct PACKED { |
| u8 oui[4]; |
| } ucast[1]; |
| }; |
| |
| /* AKM Suite */ |
| struct PACKED rt_rsnie_auth { |
| u16 acount; |
| struct PACKED { |
| u8 oui[4]; |
| } auth[1]; |
| }; |
| |
| typedef union PACKED _RSN_CAPABILITIES { |
| struct PACKED { |
| u16 PreAuth:1; |
| u16 No_Pairwise:1; |
| u16 PTKSA_R_Counter:2; |
| u16 GTKSA_R_Counter:2; |
| u16 Rsvd:10; |
| } field; |
| u16 word; |
| } RSN_CAPABILITIES, *PRSN_CAPABILITIES; |
| |
| struct PACKED rt_eap_hdr { |
| u8 ProVer; |
| u8 ProType; |
| u8 Body_Len[2]; |
| u8 code; |
| u8 identifier; |
| u8 length[2]; /* including code and identifier, followed by length-2 octets of data */ |
| }; |
| |
| /* For supplicant state machine states. 802.11i Draft 4.1, p. 97 */ |
| /* We simplified it */ |
| typedef enum _WpaState { |
| SS_NOTUSE, /* 0 */ |
| SS_START, /* 1 */ |
| SS_WAIT_MSG_3, /* 2 */ |
| SS_WAIT_GROUP, /* 3 */ |
| SS_FINISH, /* 4 */ |
| SS_KEYUPDATE, /* 5 */ |
| } WPA_STATE; |
| |
| /* */ |
| /* The definition of the cipher combination */ |
| /* */ |
| /* bit3 bit2 bit1 bit0 */ |
| /* +------------+------------+ */ |
| /* | WPA | WPA2 | */ |
| /* +------+-----+------+-----+ */ |
| /* | TKIP | AES | TKIP | AES | */ |
| /* | 0 | 1 | 1 | 0 | -> 0x06 */ |
| /* | 0 | 1 | 1 | 1 | -> 0x07 */ |
| /* | 1 | 0 | 0 | 1 | -> 0x09 */ |
| /* | 1 | 0 | 1 | 1 | -> 0x0B */ |
| /* | 1 | 1 | 0 | 1 | -> 0x0D */ |
| /* | 1 | 1 | 1 | 0 | -> 0x0E */ |
| /* | 1 | 1 | 1 | 1 | -> 0x0F */ |
| /* +------+-----+------+-----+ */ |
| /* */ |
| typedef enum _WpaMixPairCipher { |
| MIX_CIPHER_NOTUSE = 0x00, |
| WPA_NONE_WPA2_TKIPAES = 0x03, /* WPA2-TKIPAES */ |
| WPA_AES_WPA2_TKIP = 0x06, |
| WPA_AES_WPA2_TKIPAES = 0x07, |
| WPA_TKIP_WPA2_AES = 0x09, |
| WPA_TKIP_WPA2_TKIPAES = 0x0B, |
| WPA_TKIPAES_WPA2_NONE = 0x0C, /* WPA-TKIPAES */ |
| WPA_TKIPAES_WPA2_AES = 0x0D, |
| WPA_TKIPAES_WPA2_TKIP = 0x0E, |
| WPA_TKIPAES_WPA2_TKIPAES = 0x0F, |
| } WPA_MIX_PAIR_CIPHER; |
| |
| struct PACKED rt_rsn_ie_header { |
| u8 Eid; |
| u8 Length; |
| u16 Version; /* Little endian format */ |
| }; |
| |
| /* Cipher suite selector types */ |
| struct PACKED rt_cipher_suite_struct { |
| u8 Oui[3]; |
| u8 Type; |
| }; |
| |
| /* Authentication and Key Management suite selector */ |
| struct PACKED rt_akm_suite { |
| u8 Oui[3]; |
| u8 Type; |
| }; |
| |
| /* RSN capability */ |
| struct PACKED rt_rsn_capability { |
| u16 Rsv:10; |
| u16 GTKSAReplayCnt:2; |
| u16 PTKSAReplayCnt:2; |
| u16 NoPairwise:1; |
| u16 PreAuth:1; |
| }; |
| |
| /*======================================== |
| The prototype is defined in cmm_wpa.c |
| ========================================*/ |
| BOOLEAN WpaMsgTypeSubst(u8 EAPType, int * MsgType); |
| |
| void PRF(u8 * key, |
| int key_len, |
| u8 * prefix, |
| int prefix_len, |
| u8 * data, int data_len, u8 * output, int len); |
| |
| int PasswordHash(char *password, |
| unsigned char *ssid, int ssidlength, unsigned char *output); |
| |
| u8 *GetSuiteFromRSNIE(u8 *rsnie, |
| u32 rsnie_len, u8 type, u8 * count); |
| |
| void WpaShowAllsuite(u8 *rsnie, u32 rsnie_len); |
| |
| void RTMPInsertRSNIE(u8 *pFrameBuf, |
| unsigned long *pFrameLen, |
| u8 *rsnie_ptr, |
| u8 rsnie_len, |
| u8 *pmkid_ptr, u8 pmkid_len); |
| |
| #endif |