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Diffstat (limited to 'drivers/staging/rtl8723au/include/rtw_security.h')
| -rw-r--r-- | drivers/staging/rtl8723au/include/rtw_security.h | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723au/include/rtw_security.h b/drivers/staging/rtl8723au/include/rtw_security.h new file mode 100644 index 000000000..624a9d788 --- /dev/null +++ b/drivers/staging/rtl8723au/include/rtw_security.h @@ -0,0 +1,331 @@ +/****************************************************************************** + * + * 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 <osdep_service.h> +#include <drv_types.h> +#include <net/lib80211.h> + + +#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_ */ |