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/*
* 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_
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