/****************************************************************************** * * Copyright(c) 2007 - 2017 Realtek Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * 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. * *****************************************************************************/ #ifndef __RTW_SECURITY_H_ #define __RTW_SECURITY_H_ enum security_type { /* TYPE */ _NO_PRIVACY_ = 0x00, _WEP40_ = 0x01, _TKIP_ = 0x02, _TKIP_WTMIC_ = 0x03, _AES_ = 0x04, _WEP104_ = 0x05, _SMS4_ = 0x06, _GCMP_ = 0x07, _SEC_TYPE_MAX_, /* EXT_SECTYPE=1 */ _SEC_TYPE_256_ = 0x10, _CCMP_256_ = (_AES_ | _SEC_TYPE_256_), _GCMP_256_ = (_GCMP_ | _SEC_TYPE_256_), #ifdef CONFIG_IEEE80211W /* EXT_SECTYPE=0, MGNT=1, GK=0/1, KEYID=00/01 */ _SEC_TYPE_BIT_ = 0x20, _BIP_CMAC_128_ = (_SEC_TYPE_BIT_), _BIP_GMAC_128_ = (_SEC_TYPE_BIT_ + 1), _BIP_GMAC_256_ = (_SEC_TYPE_BIT_ + 2), /* EXT_SECTYPE=1, MGNT=1, GK=1, KEYID=00/01 */ _BIP_CMAC_256_ = (_SEC_TYPE_BIT_ + 3), _BIP_MAX_, #endif }; /* 802.11W use wrong key */ #define IEEE80211W_RIGHT_KEY 0x0 #define IEEE80211W_WRONG_KEY 0x1 #define IEEE80211W_NO_KEY 0x2 #define CCMPH_2_PN(ch) ((ch) & 0x000000000000ffff) \ | (((ch) & 0xffffffff00000000) >> 16) #define is_wep_enc(alg) (((alg) == _WEP40_) || ((alg) == _WEP104_)) const char *security_type_str(u8 value); #ifdef CONFIG_IEEE80211W u32 security_type_bip_to_gmcs(enum security_type type); #endif #define _WPA_IE_ID_ 0xdd #define _WPA2_IE_ID_ 0x30 #define RTW_KEK_LEN 16 #define RTW_KCK_LEN 16 #define RTW_TKIP_MIC_LEN 8 #define RTW_REPLAY_CTR_LEN 8 #define INVALID_SEC_MAC_CAM_ID 0xFF typedef enum { ENCRYP_PROTOCOL_OPENSYS, /* open system */ ENCRYP_PROTOCOL_WEP, /* WEP */ ENCRYP_PROTOCOL_WPA, /* WPA */ ENCRYP_PROTOCOL_WPA2, /* WPA2 */ ENCRYP_PROTOCOL_WAPI, /* WAPI: Not support in this version */ ENCRYP_PROTOCOL_MAX } ENCRYP_PROTOCOL_E; #ifndef Ndis802_11AuthModeWPA2 #define Ndis802_11AuthModeWPA2 (Ndis802_11AuthModeWPANone + 1) #endif #ifndef Ndis802_11AuthModeWPA2PSK #define Ndis802_11AuthModeWPA2PSK (Ndis802_11AuthModeWPANone + 2) #endif union pn48 { u64 val; #ifdef CONFIG_LITTLE_ENDIAN struct { u8 TSC0; u8 TSC1; u8 TSC2; u8 TSC3; u8 TSC4; u8 TSC5; u8 TSC6; u8 TSC7; } _byte_; #elif defined(CONFIG_BIG_ENDIAN) struct { u8 TSC7; u8 TSC6; u8 TSC5; u8 TSC4; u8 TSC3; u8 TSC2; u8 TSC1; u8 TSC0; } _byte_; #endif }; union Keytype { u8 skey[32]; }; typedef struct _RT_PMKID_LIST { u8 bUsed; u8 Bssid[6]; u8 PMKID[16]; u8 SsidBuf[33]; u8 *ssid_octet; u16 ssid_length; } RT_PMKID_LIST, *PRT_PMKID_LIST; struct security_priv { u32 dot11AuthAlgrthm; /* 802.11 auth, could be open, shared, 8021x and authswitch */ u32 dot11PrivacyAlgrthm; /* This specify the privacy for shared auth. algorithm. */ /* WEP */ u32 dot11PrivacyKeyIndex; /* this is only valid for legendary wep, 0~3 for key id. (tx key index) */ union Keytype dot11DefKey[6]; /* this is only valid for def. key */ u32 dot11DefKeylen[6]; u8 dot11Def_camid[6]; u8 key_mask; /* use to restore wep key after hal_init */ u32 dot118021XGrpPrivacy; /* This specify the privacy algthm. used for Grp key */ u32 dot118021XGrpKeyid; /* key id used for Grp Key ( tx key index) */ union Keytype dot118021XGrpKey[6]; /* 802.1x Group Key, for inx0 and inx1 */ union Keytype dot118021XGrptxmickey[6]; union Keytype dot118021XGrprxmickey[6]; union pn48 dot11Grptxpn; /* PN48 used for Grp Key xmit. */ union pn48 dot11Grprxpn; /* PN48 used for Grp Key recv. */ u8 iv_seq[4][8]; #ifdef CONFIG_IEEE80211W enum security_type dot11wCipher; u32 dot11wBIPKeyid; /* key id used for BIP Key ( tx key index) */ union Keytype dot11wBIPKey[6]; /* BIP Key, for index4 and index5 */ union pn48 dot11wBIPtxpn; /* PN48 used for BIP xmit. */ union pn48 dot11wBIPrxpn; /* PN48 used for BIP recv. */ #endif /* CONFIG_IEEE80211W */ #ifdef CONFIG_AP_MODE /* extend security capabilities for AP_MODE */ unsigned int dot8021xalg;/* 0:disable, 1:psk, 2:802.1x */ unsigned int wpa_psk;/* 0:disable, bit(0): WPA, bit(1):WPA2 */ unsigned int wpa_group_cipher; unsigned int wpa2_group_cipher; unsigned int wpa_pairwise_cipher; unsigned int wpa2_pairwise_cipher; unsigned int akmp; /* An authentication and key management protocol */ u8 mfp_opt; #endif u8 dot118021x_bmc_cam_id; /*IEEE802.11-2012 Std. Table 8-101 AKM Suite Selectors*/ u32 rsn_akm_suite_type; u8 wps_ie[MAX_WPS_IE_LEN];/* added in assoc req */ int wps_ie_len; u8 owe_ie[MAX_OWE_IE_LEN];/* added in assoc req */ int owe_ie_len; u8 binstallGrpkey; #ifdef CONFIG_GTK_OL u8 binstallKCK_KEK; #endif /* CONFIG_GTK_OL */ #ifdef CONFIG_IEEE80211W u8 binstallBIPkey; #endif /* CONFIG_IEEE80211W */ u8 busetkipkey; u8 bcheck_grpkey; u8 bgrpkey_handshake; u8 auth_alg; u8 auth_type; u8 extauth_status; /* u8 packet_cnt; */ /* unused, removed */ s32 sw_encrypt;/* from registry_priv */ s32 sw_decrypt;/* from registry_priv */ s32 hw_decrypted;/* if the rx packets is hw_decrypted==_FALSE, it means the hw has not been ready. */ /* keeps the auth_type & enc_status from upper layer ioctl(wpa_supplicant or wzc) */ u32 ndisauthtype; /* NDIS_802_11_AUTHENTICATION_MODE */ u32 ndisencryptstatus; /* NDIS_802_11_ENCRYPTION_STATUS */ NDIS_802_11_WEP ndiswep; u8 assoc_info[600]; u8 szofcapability[256]; /* for wpa2 usage */ u8 oidassociation[512]; /* for wpa/wpa2 usage */ u8 authenticator_ie[256]; /* store ap security information element */ u8 supplicant_ie[256]; /* store sta security information element */ /* for tkip countermeasure */ systime last_mic_err_time; u8 btkip_countermeasure; u8 btkip_wait_report; systime btkip_countermeasure_time; /* --------------------------------------------------------------------------- */ /* For WPA2 Pre-Authentication. */ /* --------------------------------------------------------------------------- */ /* u8 RegEnablePreAuth; */ /* Default value: Pre-Authentication enabled or not, from registry "EnablePreAuth". Added by Annie, 2005-11-01. */ /* u8 EnablePreAuthentication; */ /* Current Value: Pre-Authentication enabled or not. */ RT_PMKID_LIST PMKIDList[NUM_PMKID_CACHE]; /* Renamed from PreAuthKey[NUM_PRE_AUTH_KEY]. Annie, 2006-10-13. */ u8 PMKIDIndex; /* u32 PMKIDCount; */ /* Added by Annie, 2006-10-13. */ /* u8 szCapability[256]; */ /* For WPA2-PSK using zero-config, by Annie, 2005-09-20. */ u8 bWepDefaultKeyIdxSet; #define DBG_SW_SEC_CNT #ifdef DBG_SW_SEC_CNT u64 wep_sw_enc_cnt_bc; u64 wep_sw_enc_cnt_mc; u64 wep_sw_enc_cnt_uc; u64 wep_sw_dec_cnt_bc; u64 wep_sw_dec_cnt_mc; u64 wep_sw_dec_cnt_uc; u64 tkip_sw_enc_cnt_bc; u64 tkip_sw_enc_cnt_mc; u64 tkip_sw_enc_cnt_uc; u64 tkip_sw_dec_cnt_bc; u64 tkip_sw_dec_cnt_mc; u64 tkip_sw_dec_cnt_uc; u64 aes_sw_enc_cnt_bc; u64 aes_sw_enc_cnt_mc; u64 aes_sw_enc_cnt_uc; u64 aes_sw_dec_cnt_bc; u64 aes_sw_dec_cnt_mc; u64 aes_sw_dec_cnt_uc; u64 gcmp_sw_enc_cnt_bc; u64 gcmp_sw_enc_cnt_mc; u64 gcmp_sw_enc_cnt_uc; u64 gcmp_sw_dec_cnt_bc; u64 gcmp_sw_dec_cnt_mc; u64 gcmp_sw_dec_cnt_uc; #endif /* DBG_SW_SEC_CNT */ }; #ifdef CONFIG_IEEE80211W #define SEC_IS_BIP_KEY_INSTALLED(sec) ((sec)->binstallBIPkey) #else #define SEC_IS_BIP_KEY_INSTALLED(sec) _FALSE #endif #define GET_ENCRY_ALGO(psecuritypriv, psta, encry_algo, bmcst)\ do {\ switch (psecuritypriv->dot11AuthAlgrthm) {\ case dot11AuthAlgrthm_Open:\ case dot11AuthAlgrthm_Shared:\ case dot11AuthAlgrthm_Auto:\ encry_algo = (u8)psecuritypriv->dot11PrivacyAlgrthm;\ break;\ case dot11AuthAlgrthm_8021X:\ if (bmcst)\ encry_algo = (u8)psecuritypriv->dot118021XGrpPrivacy;\ else\ encry_algo = (u8) psta->dot118021XPrivacy;\ break;\ case dot11AuthAlgrthm_WAPI:\ encry_algo = (u8)psecuritypriv->dot11PrivacyAlgrthm;\ break;\ } \ } while (0) #define _AES_IV_LEN_ 8 #define SET_ICE_IV_LEN(iv_len, icv_len, encrypt)\ do {\ switch (encrypt) {\ case _WEP40_:\ case _WEP104_:\ iv_len = 4;\ icv_len = 4;\ break;\ case _TKIP_:\ iv_len = 8;\ icv_len = 4;\ break;\ case _AES_:\ iv_len = 8;\ icv_len = 8;\ break;\ case _GCMP_:\ case _GCMP_256_:\ iv_len = 8;\ icv_len = 16;\ break;\ case _CCMP_256_:\ iv_len = 8;\ icv_len = 16;\ break;\ case _SMS4_:\ iv_len = 18;\ icv_len = 16;\ break;\ default:\ iv_len = 0;\ icv_len = 0;\ break;\ } \ } while (0) #define GET_TKIP_PN(iv, dot11txpn)\ do {\ dot11txpn._byte_.TSC0 = iv[2];\ dot11txpn._byte_.TSC1 = iv[0];\ dot11txpn._byte_.TSC2 = iv[4];\ dot11txpn._byte_.TSC3 = iv[5];\ dot11txpn._byte_.TSC4 = iv[6];\ dot11txpn._byte_.TSC5 = iv[7];\ } while (0) #define ROL32(A, n) (((A) << (n)) | (((A)>>(32-(n))) & ((1UL << (n)) - 1))) #define ROR32(A, n) ROL32((A), 32-(n)) struct mic_data { u32 K0, K1; /* Key */ u32 L, R; /* Current state */ u32 M; /* Message accumulator (single word) */ u32 nBytesInM; /* # bytes in M */ }; void rtw_secmicsetkey(struct mic_data *pmicdata, u8 *key); void rtw_secmicappendbyte(struct mic_data *pmicdata, u8 b); void rtw_secmicappend(struct mic_data *pmicdata, u8 *src, u32 nBytes); void rtw_secgetmic(struct mic_data *pmicdata, u8 *dst); void rtw_seccalctkipmic( u8 *key, u8 *header, u8 *data, u32 data_len, u8 *Miccode, u8 priority); u32 rtw_aes_encrypt(_adapter *padapter, u8 *pxmitframe); u32 rtw_tkip_encrypt(_adapter *padapter, u8 *pxmitframe); void rtw_wep_encrypt(_adapter *padapter, u8 *pxmitframe); u32 rtw_aes_decrypt(_adapter *padapter, u8 *precvframe); u32 rtw_tkip_decrypt(_adapter *padapter, u8 *precvframe); void rtw_wep_decrypt(_adapter *padapter, u8 *precvframe); u32 rtw_gcmp_encrypt(_adapter *padapter, u8 *pxmitframe); u32 rtw_gcmp_decrypt(_adapter *padapter, u8 *precvframe); #ifdef CONFIG_RTW_MESH_AEK int rtw_aes_siv_encrypt(const u8 *key, size_t key_len, const u8 *pw, size_t pwlen, size_t num_elem, const u8 *addr[], const size_t *len, u8 *out); int rtw_aes_siv_decrypt(const u8 *key, size_t key_len, const u8 *iv_crypt, size_t iv_c_len, size_t num_elem, const u8 *addr[], const size_t *len, u8 *out); #endif /* CONFIG_RTW_MESH_AEK */ #ifdef CONFIG_IEEE80211W u8 rtw_calculate_bip_mic(enum security_type gmcs, u8 *whdr_pos, s32 len, const u8 *key, const u8 *data, size_t data_len, u8 *mic); u32 rtw_bip_verify(enum security_type gmcs, u16 pkt_len, u8 *whdr_pos, sint flen, const u8 *key, u16 keyid, u64 *ipn); #endif #ifdef CONFIG_TDLS void wpa_tdls_generate_tpk(_adapter *padapter, void *sta); int wpa_tdls_ftie_mic(u8 *kck, u8 trans_seq, u8 *lnkid, u8 *rsnie, u8 *timeoutie, u8 *ftie, u8 *mic); int wpa_tdls_teardown_ftie_mic(u8 *kck, u8 *lnkid, u16 reason, u8 dialog_token, u8 trans_seq, u8 *ftie, u8 *mic); int tdls_verify_mic(u8 *kck, u8 trans_seq, u8 *lnkid, u8 *rsnie, u8 *timeoutie, u8 *ftie); #endif /* CONFIG_TDLS */ void rtw_sec_restore_wep_key(_adapter *adapter); u8 rtw_handle_tkip_countermeasure(_adapter *adapter, const char *caller); #ifdef CONFIG_WOWLAN u16 rtw_calc_crc(u8 *pdata, int length); #endif /*CONFIG_WOWLAN*/ #define rtw_sec_chk_auth_alg(a, s) \ ((a)->securitypriv.auth_alg == (s)) #define rtw_sec_chk_auth_type(a, s) \ ((a)->securitypriv.auth_type == (s)) #endif /* __RTL871X_SECURITY_H_ */ u32 rtw_calc_crc32(u8 *data, size_t len);