Release 4.11 drivers/staging/rtl8188eu/include/rtw_security.h
/******************************************************************************
*
* 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>
#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;
};
#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));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Larry Finger | 30 | 100.00% | 1 | 100.00% |
| Total | 30 | 100.00% | 1 | 100.00% |
#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)
/* ===== 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))
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_ */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Larry Finger | 1054 | 99.91% | 1 | 50.00% |
| Kyle Kuffermann | 1 | 0.09% | 1 | 50.00% |
| Total | 1055 | 100.00% | 2 | 100.00% |
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