/****************************************************************************** * * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. * * 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_ #include #include #include #define is_wep_enc(alg) (alg == WLAN_CIPHER_SUITE_WEP40 || \ alg == WLAN_CIPHER_SUITE_WEP104) #define SHA256_MAC_LEN 32 #define AES_BLOCK_SIZE 16 #define AES_PRIV_SIZE (4 * 44) enum ENCRYP_PROTOCOL { ENCRYP_PROTOCOL_OPENSYS, /* open system */ ENCRYP_PROTOCOL_WEP, /* WEP */ ENCRYP_PROTOCOL_WPA, /* WPA */ ENCRYP_PROTOCOL_WPA2, /* WPA2 */ ENCRYP_PROTOCOL_MAX }; #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 __LITTLE_ENDIAN struct { u8 TSC0; u8 TSC1; u8 TSC2; u8 TSC3; u8 TSC4; u8 TSC5; u8 TSC6; u8 TSC7; } _byte_; #elif defined(__BIG_ENDIAN) struct { u8 TSC7; u8 TSC6; u8 TSC5; u8 TSC4; u8 TSC3; u8 TSC2; u8 TSC1; u8 TSC0; } _byte_; #else #error Need BIG or LITTLE endian #endif }; union Keytype { u8 skey[16]; u32 lkey[4]; }; struct rtw_wep_key { u8 key[WLAN_KEY_LEN_WEP104 + 1]; /* 14 */ u16 keylen; }; struct rt_pmkid_list { u8 bUsed; u8 Bssid[6]; u8 PMKID[16]; u8 SsidBuf[33]; u8 *ssid_octet; u16 ssid_length; }; struct security_priv { u32 dot11AuthAlgrthm; /* 802.11 auth, could be open, shared, * 8021x and authswitch */ u32 dot11PrivacyAlgrthm; /* This specifies the privacy for * shared auth. algorithm. */ /* WEP */ u32 dot11PrivacyKeyIndex; /* this is only valid for legendary * wep, 0~3 for key id. (tx key index) */ struct rtw_wep_key wep_key[NUM_WEP_KEYS]; u32 dot118021XGrpPrivacy; /* specify the privacy algthm. * used for Grp key */ u32 dot118021XGrpKeyid; /* key id used for Grp Key * (tx key index) */ union Keytype dot118021XGrpKey[4];/* 802.1x Grp Key, inx0 and inx1 */ union Keytype dot118021XGrptxmickey[4]; union Keytype dot118021XGrprxmickey[4]; union pn48 dot11Grptxpn; /* PN48 used for Grp Key xmit.*/ union pn48 dot11Grprxpn; /* PN48 used for Grp Key recv.*/ #ifdef CONFIG_8723AU_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; #endif u8 wps_ie[MAX_WPS_IE_LEN];/* added in assoc req */ int wps_ie_len; unsigned int binstallGrpkey:1; unsigned int busetkipkey:1; unsigned int bcheck_grpkey:1; unsigned int hw_decrypted:1; u32 ndisauthtype; /* enum ndis_802_11_auth_mode */ u32 ndisencryptstatus; /* NDIS_802_11_ENCRYPTION_STATUS */ struct wlan_bssid_ex sec_bss; /* for joinbss (h2c buffer) usage */ u8 assoc_info[600]; u8 szofcapability[256]; /* for wpa2 usage */ u8 oidassociation[512]; /* for wpa/wpa2 usage */ u8 supplicant_ie[256]; /* store sta security information element */ /* for tkip countermeasure */ unsigned long last_mic_err_time; u8 btkip_countermeasure; u8 btkip_wait_report; unsigned long btkip_countermeasure_time; /* For WPA2 Pre-Authentication. */ struct rt_pmkid_list PMKIDList[NUM_PMKID_CACHE]; u8 PMKIDIndex; u8 bWepDefaultKeyIdxSet; }; struct sha256_state { u64 length; u32 state[8], curlen; u8 buf[64]; }; #define GET_ENCRY_ALGO(psecuritypriv, psta, encry_algo, bmcst)\ do {\ switch (psecuritypriv->dot11AuthAlgrthm) {\ case dot11AuthAlgrthm_Open:\ case dot11AuthAlgrthm_Shared:\ case dot11AuthAlgrthm_Auto:\ encry_algo = psecuritypriv->dot11PrivacyAlgrthm;\ break;\ case dot11AuthAlgrthm_8021X:\ if (bmcst)\ encry_algo = psecuritypriv->dot118021XGrpPrivacy;\ else\ encry_algo = psta->dot118021XPrivacy;\ 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 */ }; extern const u32 Te0[256]; extern const u32 Te1[256]; extern const u32 Te2[256]; extern const u32 Te3[256]; extern const u32 Te4[256]; extern const u32 Td0[256]; extern const u32 Td1[256]; extern const u32 Td2[256]; extern const u32 Td3[256]; extern const u32 Td4[256]; extern const u32 rcon[10]; extern const u8 Td4s[256]; extern const u8 rcons[10]; #define RCON(i) (rcons[(i)] << 24) static inline u32 rotr(u32 val, int bits) { return (val >> bits) | (val << (32 - bits)); } #define TE0(i) Te0[((i) >> 24) & 0xff] #define TE1(i) rotr(Te0[((i) >> 16) & 0xff], 8) #define TE2(i) rotr(Te0[((i) >> 8) & 0xff], 16) #define TE3(i) rotr(Te0[(i) & 0xff], 24) #define TE41(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000) #define TE42(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000) #define TE43(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00) #define TE44(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff) #define TE421(i) ((Te0[((i) >> 16) & 0xff] << 8) & 0xff000000) #define TE432(i) (Te0[((i) >> 8) & 0xff] & 0x00ff0000) #define TE443(i) (Te0[(i) & 0xff] & 0x0000ff00) #define TE414(i) ((Te0[((i) >> 24) & 0xff] >> 8) & 0x000000ff) #define TE4(i) ((Te0[(i)] >> 8) & 0x000000ff) #define TD0(i) Td0[((i) >> 24) & 0xff] #define TD1(i) rotr(Td0[((i) >> 16) & 0xff], 8) #define TD2(i) rotr(Td0[((i) >> 8) & 0xff], 16) #define TD3(i) rotr(Td0[(i) & 0xff], 24) #define TD41(i) (Td4s[((i) >> 24) & 0xff] << 24) #define TD42(i) (Td4s[((i) >> 16) & 0xff] << 16) #define TD43(i) (Td4s[((i) >> 8) & 0xff] << 8) #define TD44(i) (Td4s[(i) & 0xff]) #define TD0_(i) Td0[(i) & 0xff] #define TD1_(i) rotr(Td0[(i) & 0xff], 8) #define TD2_(i) rotr(Td0[(i) & 0xff], 16) #define TD3_(i) rotr(Td0[(i) & 0xff], 24) #define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ \ ((u32)(pt)[2] << 8) ^ ((u32)(pt)[3])) #define PUTU32(ct, st) { \ (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); \ (ct)[2] = (u8)((st) >> 8); (ct)[3] = (u8)(st); } #define WPA_GET_BE32(a) ((((u32) (a)[0]) << 24) | (((u32) (a)[1]) << 16) | \ (((u32) (a)[2]) << 8) | ((u32) (a)[3])) #define WPA_PUT_LE16(a, val) \ do { \ (a)[1] = ((u16) (val)) >> 8; \ (a)[0] = ((u16) (val)) & 0xff; \ } while (0) #define WPA_PUT_BE32(a, val) \ do { \ (a)[0] = (u8) ((((u32) (val)) >> 24) & 0xff); \ (a)[1] = (u8) ((((u32) (val)) >> 16) & 0xff); \ (a)[2] = (u8) ((((u32) (val)) >> 8) & 0xff); \ (a)[3] = (u8) (((u32) (val)) & 0xff); \ } while (0) #define WPA_PUT_BE64(a, val) \ do { \ (a)[0] = (u8) (((u64) (val)) >> 56); \ (a)[1] = (u8) (((u64) (val)) >> 48); \ (a)[2] = (u8) (((u64) (val)) >> 40); \ (a)[3] = (u8) (((u64) (val)) >> 32); \ (a)[4] = (u8) (((u64) (val)) >> 24); \ (a)[5] = (u8) (((u64) (val)) >> 16); \ (a)[6] = (u8) (((u64) (val)) >> 8); \ (a)[7] = (u8) (((u64) (val)) & 0xff); \ } while (0) /* ===== start - public domain SHA256 implementation ===== */ /* This is based on SHA256 implementation in LibTomCrypt that was released into * public domain by Tom St Denis. */ /* the K array */ static const unsigned long K[64] = { 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL, 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL, 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL, 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, 0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, 0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL, 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL, 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL, 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, 0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, 0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL, 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL, 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL, 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL }; void rtw_secmicsetkey23a(struct mic_data *pmicdata, u8 *key); void rtw_secmicappend23abyte23a(struct mic_data *pmicdata, u8 b); void rtw_secmicappend23a(struct mic_data *pmicdata, u8 *src, u32 nbBytes); void rtw_secgetmic23a(struct mic_data *pmicdata, u8 *dst); void rtw_seccalctkipmic23a(u8 *key, u8 *header, u8 *data, u32 data_len, u8 *Miccode, u8 priorityi); int rtw_aes_encrypt23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe); int rtw_tkip_encrypt23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe); void rtw_wep_encrypt23a(struct rtw_adapter *padapter, struct xmit_frame *pxmitframe); int rtw_aes_decrypt23a(struct rtw_adapter *padapter, struct recv_frame *precvframe); int rtw_tkip_decrypt23a(struct rtw_adapter *padapter, struct recv_frame *precvframe); void rtw_wep_decrypt23a(struct rtw_adapter *padapter, struct recv_frame *precvframe); void rtw_use_tkipkey_handler23a(void *FunctionContext); #endif /* __RTL871X_SECURITY_H_ */