/* * Header files of WPA PSK module * * $Id: 8192cd_psk.h,v 1.1 2009/11/06 12:26:48 victoryman Exp $ * * Copyright (c) 2009 Realtek Semiconductor Corp. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef _8192CD_PSK_H_ #define _8192CD_PSK_H_ #define GMK_LEN 32 #define GTK_LEN 32 #define PMK_LEN 32 #define PTK_LEN 32 #define KEY_NONCE_LEN 32 #define NumGroupKey 4 #define KEY_RC_LEN 8 #define KEY_NONCE_LEN 32 #define KEY_IV_LEN 16 #define KEY_RSC_LEN 8 #define KEY_ID_LEN 8 #define KEY_MIC_LEN 16 #define KEY_MATERIAL_LEN 2 #define PTK_LEN_EAPOLMIC 16 #define PTK_LEN_EAPOLENC 16 #define PTK_LEN_TKIP 64 #define PMKID_LEN 16 #define LIB1X_ETHER_EAPOL_TYPE 0x888E #define DescTypePos 0 #define KeyInfoPos 1 #define KeyLenPos 3 #define ReplayCounterPos 5 #define KeyNoncePos 13 #define KeyIVPos 45 #define KeyRSCPos 61 #define KeyIDPos 69 #define KeyMICPos 77 #define KeyDataLenPos 93 #define KeyDataPos 95 #define LIB1X_EAPOL_VER 1 //00000001B #define LIB1X_EAPOL_LOGOFF 2 //0000 0010B #define LIB1X_EAPOL_EAPPKT 0 //0000 0000B #define LIB1X_EAPOL_START 1 //0000 0001B #define LIB1X_EAPOL_KEY 3 //0000 0011B #define LIB1X_EAPOL_ENCASFALERT 4 //0000 0100B #define RANDOM_EXPANSION_CONST "Init Counter" #define RANDOM_EXPANSION_CONST_SIZE 12 #define A_SHA_DIGEST_LEN 20 #define ETHER_HDRLEN 14 #define LIB1X_EAPOL_HDRLEN 4 #define INFO_ELEMENT_SIZE 128 #define MAX_EAPOLMSG_LEN 512 #define MAX_EAPOLKEYMSG_LEN (MAX_EAPOLMSG_LEN-(ETHER_HDRLEN+LIB1X_EAPOL_HDRLEN)) #define EAPOLMSG_HDRLEN 95 //EAPOL-key payload length without KeyData #define MAX_UNICAST_CIPHER 2 #define WPA_ELEMENT_ID 0xDD #define WPA2_ELEMENT_ID 0x30 typedef enum { desc_type_WPA2 = 2, desc_type_RSN = 254 } DescTypeRSN; typedef enum { type_Group = 0, type_Pairwise = 1 } KeyType; typedef enum { key_desc_ver1 = 1, key_desc_ver2 = 2 } KeyDescVer; enum { PSK_WPA=1, PSK_WPA2=2}; enum { PSK_STATE_IDLE, PSK_STATE_PTKSTART, PSK_STATE_PTKINITNEGOTIATING, PSK_STATE_PTKINITDONE, }; enum { PSK_GSTATE_REKEYNEGOTIATING, PSK_GSTATE_REKEYESTABLISHED, PSK_GSTATE_KEYERROR, }; /* * Reason code for Disconnect */ typedef enum _ReasonCode{ unspec_reason = 0x01, auth_not_valid = 0x02, deauth_lv_ss = 0x03, inactivity = 0x04, ap_overload = 0x05, class2_err = 0x06, class3_err = 0x07, disas_lv_ss = 0x08, asoc_not_auth = 0x09, RSN_invalid_info_element = 13, RSN_MIC_failure = 14, RSN_4_way_handshake_timeout = 15, RSN_diff_info_element = 17, RSN_multicast_cipher_not_valid = 18, RSN_unicast_cipher_not_valid = 19, RSN_AKMP_not_valid = 20, RSN_unsupported_RSNE_version = 21, RSN_invalid_RSNE_capabilities = 22, RSN_ieee_802dot1x_failed = 23, //belowing are Realtek definition RSN_PMK_not_avaliable = 24, expire = 30, session_timeout = 31, acct_idle_timeout = 32, acct_user_request = 33 }ReasonCode; typedef struct _OCTET_STRING { unsigned char *Octet; int Length; } OCTET_STRING; typedef union _LARGE_INTEGER { unsigned char charData[8]; struct { unsigned long HighPart; unsigned long LowPart; } field; } LARGE_INTEGER, *PLARGE_INTEGER; typedef union _OCTET16_INTEGER { unsigned char charData[16]; struct { LARGE_INTEGER HighPart; LARGE_INTEGER LowPart; } field; } OCTET16_INTEGER; typedef union _OCTET32_INTEGER { unsigned char charData[32]; struct { OCTET16_INTEGER HighPart; OCTET16_INTEGER LowPart; } field; } OCTET32_INTEGER; typedef struct _DOT11_WPA2_IE_HEADER { unsigned char ElementID; unsigned char Length; unsigned short Version; } DOT11_WPA2_IE_HEADER; #if defined(WIFI_HAPD) && !defined(HAPD_DRV_PSK_WPS) // group key info typedef struct _wpa_global_info { OCTET_STRING AuthInfoElement; unsigned char AuthInfoBuf[INFO_ELEMENT_SIZE]; unsigned char MulticastCipher; int NumOfUnicastCipher; unsigned char UnicastCipher[MAX_UNICAST_CIPHER]; #ifdef RTL_WPA2 int NumOfUnicastCipherWPA2; unsigned char UnicastCipherWPA2[MAX_UNICAST_CIPHER]; #endif } WPA_GLOBAL_INFO; #else // group key info typedef struct _wpa_global_info { OCTET32_INTEGER Counter; unsigned char PSK[A_SHA_DIGEST_LEN*2]; unsigned char PSKGuest[A_SHA_DIGEST_LEN*2]; int GTKAuthenticator; int GKeyDoneStations; int GInitAKeys; int GUpdateStationKeys; int GkeyReady; OCTET_STRING AuthInfoElement; unsigned char AuthInfoBuf[INFO_ELEMENT_SIZE]; unsigned char MulticastCipher; int NumOfUnicastCipher; unsigned char UnicastCipher[MAX_UNICAST_CIPHER]; #ifdef RTL_WPA2 int NumOfUnicastCipherWPA2; unsigned char UnicastCipherWPA2[MAX_UNICAST_CIPHER]; #endif OCTET_STRING GNonce; unsigned char GNonceBuf[KEY_NONCE_LEN]; unsigned char GTK[NumGroupKey][GTK_LEN]; unsigned char GMK[GMK_LEN]; int GN; int GM; int GRekeyCounts; int GResetCounter; int IntegrityFailed; int GTKRekey; int GKeyFailure; struct timer_list GKRekeyTimer; } WPA_GLOBAL_INFO; #endif #if defined(WIFI_HAPD) && !defined(HAPD_DRV_PSK_WPS) // wpa sta info typedef struct _wpa_sta_info { int state; int RSNEnabled; // bit0-WPA, bit1-WPA2 unsigned char UnicastCipher; struct rtl8192cd_priv *priv; } WPA_STA_INFO; #else // wpa sta info typedef struct _wpa_sta_info { int state; int gstate; int RSNEnabled; // bit0-WPA, bit1-WPA2 int PMKCached; int PInitAKeys; unsigned char UnicastCipher; unsigned char NumOfRxTSC; unsigned char AuthKeyMethod; int isSuppSupportPreAuthentication; int isSuppSupportPairwiseAsDefaultKey; LARGE_INTEGER CurrentReplayCounter; LARGE_INTEGER ReplayCounterStarted; // david+1-12-2007 OCTET_STRING ANonce; OCTET_STRING SNonce; unsigned char AnonceBuf[KEY_NONCE_LEN]; unsigned char SnonceBuf[KEY_NONCE_LEN]; unsigned char PMK[PMK_LEN]; unsigned char PTK[PTK_LEN_TKIP]; OCTET_STRING EAPOLMsgRecvd; OCTET_STRING EAPOLMsgSend; OCTET_STRING EapolKeyMsgRecvd; OCTET_STRING EapolKeyMsgSend; unsigned char eapSendBuf[MAX_EAPOLMSG_LEN]; unsigned char eapRecvdBuf[MAX_EAPOLMSG_LEN]; struct timer_list resendTimer; struct rtl8192cd_priv *priv; int resendCnt; int isGuest; int clientHndshkProcessing; int clientHndshkDone; int clientGkeyUpdate; LARGE_INTEGER clientMICReportReplayCounter; } WPA_STA_INFO; #endif #if defined(PACK_STRUCTURE) #pragma pack(1) #endif __PACK typedef struct _LIB1X_EAPOL_KEY { unsigned char key_desc_ver; unsigned char key_info[2]; unsigned char key_len[2]; unsigned char key_replay_counter[KEY_RC_LEN]; unsigned char key_nounce[KEY_NONCE_LEN]; unsigned char key_iv[KEY_IV_LEN]; unsigned char key_rsc[KEY_RSC_LEN]; unsigned char key_id[KEY_ID_LEN]; unsigned char key_mic[KEY_MIC_LEN]; unsigned char key_data_len[KEY_MATERIAL_LEN]; unsigned char *key_data; }__WLAN_ATTRIB_PACK__ lib1x_eapol_key; __PACK struct lib1x_eapol { unsigned char protocol_version; unsigned char packet_type; // This makes it odd in number ! unsigned short packet_body_length; }__WLAN_ATTRIB_PACK__; #if defined(PACK_STRUCTURE) #pragma pack() #endif #define SetSubStr(f,a,l) memcpy(f.Octet+l,a.Octet,a.Length) #define GetKeyInfo0(f, mask) ((f.Octet[KeyInfoPos + 1] & mask) ? 1 :0) #define SetKeyInfo0(f,mask,b) (f.Octet[KeyInfoPos + 1] = (f.Octet[KeyInfoPos + 1] & ~mask) | ( b?mask:0x0) ) #define GetKeyInfo1(f, mask) ((f.Octet[KeyInfoPos] & mask) ? 1 :0) #define SetKeyInfo1(f,mask,b) (f.Octet[KeyInfoPos] = (f.Octet[KeyInfoPos] & ~mask) | ( b?mask:0x0) ) // EAPOLKey #define Message_DescType(f) (f.Octet[DescTypePos]) #define Message_setDescType(f, type) (f.Octet[DescTypePos] = type) // Key Information Filed #define Message_KeyDescVer(f) (f.Octet[KeyInfoPos+1] & 0x07)//(f.Octet[KeyInfoPos+1] & 0x01) | (f.Octet[KeyInfoPos+1] & 0x02) <<1 | (f.Octet[KeyInfoPos+1] & 0x04) <<2 #define Message_setKeyDescVer(f, v) (f.Octet[KeyInfoPos+1] &= 0xf8) , f.Octet[KeyInfoPos+1] |= (v & 0x07)//(f.Octet[KeyInfoPos+1] |= ((v&0x01)<<7 | (v&0x02)<<6 | (v&0x04)<<5) ) #define Message_KeyType(f) GetKeyInfo0(f,0x08) #define Message_setKeyType(f, b) SetKeyInfo0(f,0x08,b) #define Message_KeyIndex(f) ((f.Octet[KeyInfoPos+1] & 0x30) >> 4) & 0x03//(f.Octet[KeyInfoPos+1] & 0x20) | (f.Octet[KeyInfoPos+1] & 0x10) <<1 #define Message_setKeyIndex(f, v) (f.Octet[KeyInfoPos+1] &= 0xcf), f.Octet[KeyInfoPos+1] |= ((v<<4) & 0x07)//(f.Octet[KeyInfoPos+1] |= ( (v&0x01)<<5 | (v&0x02)<<4) ) #define Message_Install(f) GetKeyInfo0(f,0x40) #define Message_setInstall(f, b) SetKeyInfo0(f,0x40,b) #define Message_KeyAck(f) GetKeyInfo0(f,0x80) #define Message_setKeyAck(f, b) SetKeyInfo0(f,0x80,b) #define Message_KeyMIC(f) GetKeyInfo1(f,0x01) #define Message_setKeyMIC(f, b) SetKeyInfo1(f,0x01,b) #define Message_Secure(f) GetKeyInfo1(f,0x02) #define Message_setSecure(f, b) SetKeyInfo1(f,0x02,b) #define Message_Error(f) GetKeyInfo1(f,0x04) #define Message_setError(f, b) SetKeyInfo1(f,0x04,b) #define Message_Request(f) GetKeyInfo1(f,0x08) #define Message_setRequest(f, b) SetKeyInfo1(f,0x08,b) #define Message_Reserved(f) (f.Octet[KeyInfoPos] & 0xf0) #define Message_setReserved(f, v) (f.Octet[KeyInfoPos] |= (v<<4&0xff)) #define Message_KeyLength(f) ((unsigned short)(f.Octet[KeyLenPos] <<8) + (unsigned short)(f.Octet[KeyLenPos+1])) #define Message_setKeyLength(f, v) (f.Octet[KeyLenPos] = (v&0xff00) >>8 , f.Octet[KeyLenPos+1] = (v&0x00ff)) #define Message_KeyNonce(f) SubStr(f,KeyNoncePos,KEY_NONCE_LEN) #define Message_setKeyNonce(f, v) SetSubStr(f, v, KeyNoncePos) #define Message_EqualKeyNonce(f1, f2) memcmp(f1.Octet + KeyNoncePos, f2.Octet, KEY_NONCE_LEN)? 0:1 #define Message_KeyIV(f) Substr(f, KeyIVPos, KEY_IV_LEN) #define Message_setKeyIV(f, v) SetSubStr(f, v, KeyIVPos) #define Message_KeyRSC(f) Substr(f, KeyRSCPos, KEY_RSC_LEN) #define Message_setKeyRSC(f, v) SetSubStr(f, v, KeyRSCPos) #define Message_KeyID(f) Substr(f, KeyIDPos, KEY_ID_LEN) #define Message_setKeyID(f, v) SetSubStr(f, v, KeyIDPos) #define Message_MIC(f) SubStr(f, KeyMICPos, KEY_MIC_LEN) #define Message_setMIC(f, v) SetSubStr(f, v, KeyMICPos) #define Message_clearMIC(f) memset(f.Octet+KeyMICPos, 0, KEY_MIC_LEN) #define Message_KeyDataLength(f) ((unsigned short)(f.Octet[KeyDataLenPos] <<8) + (unsigned short)(f.Octet[KeyDataLenPos+1])) #define Message_setKeyDataLength(f, v) (f.Octet[KeyDataLenPos] = (v&0xff00) >>8 , f.Octet[KeyDataLenPos+1] = (v&0x00ff)) #define Message_KeyData(f, l) SubStr(f, KeyDataPos, l) #define Message_setKeyData(f, v) SetSubStr(f, v, KeyDataPos); #define Message_EqualRSNIE(f1 , f2, l) memcmp(f1.Octet, f2.Octet, l) ? 0:1 #define Message_ReturnKeyDataLength(f) f.Length - (ETHER_HDRLEN + LIB1X_EAPOL_HDRLEN + EAPOLMSG_HDRLEN) #define Message_CopyReplayCounter(f1, f2) memcpy(f1.Octet + ReplayCounterPos, f2.Octet + ReplayCounterPos, KEY_RC_LEN) #define Message_DefaultReplayCounter(li) ((li.field.HighPart == 0xffffffff) && (li.field.LowPart == 0xffffffff) ) ?1:0 #if defined(CONFIG_RTL8186_KB_N) extern int authRes;//0: success; 1: fail #endif #endif // _8192CD_PSK_H_