X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fstaging%2Frtl8188eu%2Finclude%2Frtw_security.h;fp=kernel%2Fdrivers%2Fstaging%2Frtl8188eu%2Finclude%2Frtw_security.h;h=e9723a72af5e5269de655e2188e2c1484444d473;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git diff --git a/kernel/drivers/staging/rtl8188eu/include/rtw_security.h b/kernel/drivers/staging/rtl8188eu/include/rtw_security.h new file mode 100644 index 000000000..e9723a72a --- /dev/null +++ b/kernel/drivers/staging/rtl8188eu/include/rtw_security.h @@ -0,0 +1,356 @@ +/****************************************************************************** + * + * 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. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * + ******************************************************************************/ +#ifndef __RTW_SECURITY_H_ +#define __RTW_SECURITY_H_ + +#include +#include + +#define _NO_PRIVACY_ 0x0 +#define _WEP40_ 0x1 +#define _TKIP_ 0x2 +#define _TKIP_WTMIC_ 0x3 +#define _AES_ 0x4 +#define _WEP104_ 0x5 +#define _WEP_WPA_MIXED_ 0x07 /* WEP + WPA */ +#define _SMS4_ 0x06 + +#define is_wep_enc(alg) (((alg) == _WEP40_) || ((alg) == _WEP104_)) + +#define _WPA_IE_ID_ 0xdd +#define _WPA2_IE_ID_ 0x30 + +#define SHA256_MAC_LEN 32 +#define AES_BLOCK_SIZE 16 +#define AES_PRIV_SIZE (4 * 44) + +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 +}; + + +#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_; +#endif +}; + +union Keytype { + u8 skey[16]; + u32 lkey[4]; +}; + +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 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[4]; /* this is only valid for def. key */ + u32 dot11DefKeylen[4]; + 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[4]; /* 802.1x Group Key, + * for 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_88EU_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; + u8 binstallGrpkey; + u8 busetkipkey; + u8 bcheck_grpkey; + u8 bgrpkey_handshake; + s32 sw_encrypt;/* from registry_priv */ + s32 sw_decrypt;/* from registry_priv */ + s32 hw_decrypted;/* if the rx packets is hw_decrypted==false,i + * 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 */ + struct wlan_bssid_ex sec_bss; /* for joinbss (h2c buffer) usage */ + struct 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 */ + u32 last_mic_err_time; + u8 btkip_countermeasure; + u8 btkip_wait_report; + u32 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 = (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 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 _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 */ +}; + +extern const u32 Te0[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 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 +}; + +/* Various logical functions */ +#define RORc(x, y) \ + (((((unsigned long)(x) & 0xFFFFFFFFUL) >> (unsigned long)((y)&31)) | \ + ((unsigned long)(x) << (unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL) +#define Ch(x, y , z) (z ^ (x & (y ^ z))) +#define Maj(x, y, z) (((x | y) & z) | (x & y)) +#define S(x, n) RORc((x), (n)) +#define R(x, n) (((x)&0xFFFFFFFFUL)>>(n)) +#define Sigma0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22)) +#define Sigma1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25)) +#define Gamma0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3)) +#define Gamma1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10)) +#ifndef MIN +#define MIN(x, y) (((x) < (y)) ? (x) : (y)) +#endif + +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(struct adapter *padapter, u8 *pxmitframe); +u32 rtw_tkip_encrypt(struct adapter *padapter, u8 *pxmitframe); +void rtw_wep_encrypt(struct adapter *padapter, u8 *pxmitframe); +u32 rtw_aes_decrypt(struct adapter *padapter, u8 *precvframe); +u32 rtw_tkip_decrypt(struct adapter *padapter, u8 *precvframe); +void rtw_wep_decrypt(struct adapter *padapter, u8 *precvframe); + +#endif /* __RTL871X_SECURITY_H_ */