1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 ******************************************************************************/
15 #ifndef __RTW_SECURITY_H_
16 #define __RTW_SECURITY_H_
18 #include <osdep_service.h>
19 #include <drv_types.h>
22 #define _NO_PRIVACY_ 0x0
25 #define _TKIP_WTMIC_ 0x3
28 #define _WEP_WPA_MIXED_ 0x07 /* WEP + WPA */
31 #define is_wep_enc(alg) (((alg) == _WEP40_) || ((alg) == _WEP104_))
33 #define _WPA2_IE_ID_ 0x30
35 #define SHA256_MAC_LEN 32
36 #define AES_BLOCK_SIZE 16
37 #define AES_PRIV_SIZE (4 * 44)
39 enum ENCRYP_PROTOCOL {
40 ENCRYP_PROTOCOL_OPENSYS, /* open system */
41 ENCRYP_PROTOCOL_WEP, /* WEP */
42 ENCRYP_PROTOCOL_WPA, /* WPA */
43 ENCRYP_PROTOCOL_WPA2, /* WPA2 */
47 #ifndef Ndis802_11AuthModeWPA2
48 #define Ndis802_11AuthModeWPA2 (Ndis802_11AuthModeWPANone + 1)
51 #ifndef Ndis802_11AuthModeWPA2PSK
52 #define Ndis802_11AuthModeWPA2PSK (Ndis802_11AuthModeWPANone + 2)
58 #ifdef __LITTLE_ENDIAN
71 #elif defined(__BIG_ENDIAN)
84 #error Need BIG or LITTLE endian
96 struct rt_pmkid_list {
105 struct security_priv {
106 u32 dot11AuthAlgrthm; /* 802.11 auth, could be open, shared,
107 * 8021x and authswitch */
108 u32 dot11PrivacyAlgrthm; /* This specifies the privacy for
109 * shared auth. algorithm.
112 u32 dot11PrivacyKeyIndex; /* this is only valid for legendary
113 * wep, 0~3 for key id. (tx key index)
115 union Keytype dot11DefKey[4]; /* this is only valid for def. key */
116 u32 dot11DefKeylen[4];
118 u32 dot118021XGrpPrivacy; /* specify the privacy algthm.
121 u32 dot118021XGrpKeyid; /* key id used for Grp Key
124 union Keytype dot118021XGrpKey[4];/* 802.1x Grp Key, inx0 and inx1 */
125 union Keytype dot118021XGrptxmickey[4];
126 union Keytype dot118021XGrprxmickey[4];
127 union pn48 dot11Grptxpn; /* PN48 used for Grp Key xmit.*/
128 union pn48 dot11Grprxpn; /* PN48 used for Grp Key recv.*/
130 #ifdef CONFIG_8723AU_AP_MODE
131 /* extend security capabilities for AP_MODE */
132 unsigned int dot8021xalg;/* 0:disable, 1:psk, 2:802.1x */
133 unsigned int wpa_psk;/* 0:disable, bit(0): WPA, bit(1):WPA2 */
134 unsigned int wpa_group_cipher;
135 unsigned int wpa2_group_cipher;
136 unsigned int wpa_pairwise_cipher;
137 unsigned int wpa2_pairwise_cipher;
140 u8 wps_ie[MAX_WPS_IE_LEN];/* added in assoc req */
145 u8 bgrpkey_handshake;
147 u32 ndisauthtype; /* enum ndis_802_11_auth_mode */
148 u32 ndisencryptstatus; /* NDIS_802_11_ENCRYPTION_STATUS */
149 struct wlan_bssid_ex sec_bss; /* for joinbss (h2c buffer) usage */
150 struct ndis_802_11_wep ndiswep;
152 u8 szofcapability[256]; /* for wpa2 usage */
153 u8 oidassociation[512]; /* for wpa/wpa2 usage */
154 u8 authenticator_ie[256]; /* store ap security information element */
155 u8 supplicant_ie[256]; /* store sta security information element */
157 /* for tkip countermeasure */
158 unsigned long last_mic_err_time;
159 u8 btkip_countermeasure;
160 u8 btkip_wait_report;
161 unsigned long btkip_countermeasure_time;
163 /* For WPA2 Pre-Authentication. */
164 struct rt_pmkid_list PMKIDList[NUM_PMKID_CACHE];
166 u8 bWepDefaultKeyIdxSet;
169 struct sha256_state {
171 u32 state[8], curlen;
175 #define GET_ENCRY_ALGO(psecuritypriv, psta, encry_algo, bmcst)\
177 switch (psecuritypriv->dot11AuthAlgrthm) {\
178 case dot11AuthAlgrthm_Open:\
179 case dot11AuthAlgrthm_Shared:\
180 case dot11AuthAlgrthm_Auto:\
181 encry_algo = (u8)psecuritypriv->dot11PrivacyAlgrthm;\
183 case dot11AuthAlgrthm_8021X:\
185 encry_algo = (u8)psecuritypriv->dot118021XGrpPrivacy;\
187 encry_algo = (u8)psta->dot118021XPrivacy;\
192 #define GET_TKIP_PN(iv, dot11txpn)\
194 dot11txpn._byte_.TSC0 = iv[2];\
195 dot11txpn._byte_.TSC1 = iv[0];\
196 dot11txpn._byte_.TSC2 = iv[4];\
197 dot11txpn._byte_.TSC3 = iv[5];\
198 dot11txpn._byte_.TSC4 = iv[6];\
199 dot11txpn._byte_.TSC5 = iv[7];\
202 #define ROL32(A, n) (((A) << (n)) | (((A)>>(32-(n))) & ((1UL << (n)) - 1)))
203 #define ROR32(A, n) ROL32((A), 32-(n))
206 u32 K0, K1; /* Key */
207 u32 L, R; /* Current state */
208 u32 M; /* Message accumulator (single word) */
209 u32 nBytesInM; /* # bytes in M */
212 extern const u32 Te0[256];
213 extern const u32 Te1[256];
214 extern const u32 Te2[256];
215 extern const u32 Te3[256];
216 extern const u32 Te4[256];
217 extern const u32 Td0[256];
218 extern const u32 Td1[256];
219 extern const u32 Td2[256];
220 extern const u32 Td3[256];
221 extern const u32 Td4[256];
222 extern const u32 rcon[10];
223 extern const u8 Td4s[256];
224 extern const u8 rcons[10];
226 #define RCON(i) (rcons[(i)] << 24)
228 static inline u32 rotr(u32 val, int bits)
230 return (val >> bits) | (val << (32 - bits));
233 #define TE0(i) Te0[((i) >> 24) & 0xff]
234 #define TE1(i) rotr(Te0[((i) >> 16) & 0xff], 8)
235 #define TE2(i) rotr(Te0[((i) >> 8) & 0xff], 16)
236 #define TE3(i) rotr(Te0[(i) & 0xff], 24)
237 #define TE41(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000)
238 #define TE42(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000)
239 #define TE43(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00)
240 #define TE44(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff)
241 #define TE421(i) ((Te0[((i) >> 16) & 0xff] << 8) & 0xff000000)
242 #define TE432(i) (Te0[((i) >> 8) & 0xff] & 0x00ff0000)
243 #define TE443(i) (Te0[(i) & 0xff] & 0x0000ff00)
244 #define TE414(i) ((Te0[((i) >> 24) & 0xff] >> 8) & 0x000000ff)
245 #define TE4(i) ((Te0[(i)] >> 8) & 0x000000ff)
247 #define TD0(i) Td0[((i) >> 24) & 0xff]
248 #define TD1(i) rotr(Td0[((i) >> 16) & 0xff], 8)
249 #define TD2(i) rotr(Td0[((i) >> 8) & 0xff], 16)
250 #define TD3(i) rotr(Td0[(i) & 0xff], 24)
251 #define TD41(i) (Td4s[((i) >> 24) & 0xff] << 24)
252 #define TD42(i) (Td4s[((i) >> 16) & 0xff] << 16)
253 #define TD43(i) (Td4s[((i) >> 8) & 0xff] << 8)
254 #define TD44(i) (Td4s[(i) & 0xff])
255 #define TD0_(i) Td0[(i) & 0xff]
256 #define TD1_(i) rotr(Td0[(i) & 0xff], 8)
257 #define TD2_(i) rotr(Td0[(i) & 0xff], 16)
258 #define TD3_(i) rotr(Td0[(i) & 0xff], 24)
260 #define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ \
261 ((u32)(pt)[2] << 8) ^ ((u32)(pt)[3]))
263 #define PUTU32(ct, st) { \
264 (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); \
265 (ct)[2] = (u8)((st) >> 8); (ct)[3] = (u8)(st); }
267 #define WPA_GET_BE32(a) ((((u32) (a)[0]) << 24) | (((u32) (a)[1]) << 16) | \
268 (((u32) (a)[2]) << 8) | ((u32) (a)[3]))
270 #define WPA_PUT_LE16(a, val) \
272 (a)[1] = ((u16) (val)) >> 8; \
273 (a)[0] = ((u16) (val)) & 0xff; \
276 #define WPA_PUT_BE32(a, val) \
278 (a)[0] = (u8) ((((u32) (val)) >> 24) & 0xff); \
279 (a)[1] = (u8) ((((u32) (val)) >> 16) & 0xff); \
280 (a)[2] = (u8) ((((u32) (val)) >> 8) & 0xff); \
281 (a)[3] = (u8) (((u32) (val)) & 0xff); \
284 #define WPA_PUT_BE64(a, val) \
286 (a)[0] = (u8) (((u64) (val)) >> 56); \
287 (a)[1] = (u8) (((u64) (val)) >> 48); \
288 (a)[2] = (u8) (((u64) (val)) >> 40); \
289 (a)[3] = (u8) (((u64) (val)) >> 32); \
290 (a)[4] = (u8) (((u64) (val)) >> 24); \
291 (a)[5] = (u8) (((u64) (val)) >> 16); \
292 (a)[6] = (u8) (((u64) (val)) >> 8); \
293 (a)[7] = (u8) (((u64) (val)) & 0xff); \
296 /* ===== start - public domain SHA256 implementation ===== */
298 /* This is based on SHA256 implementation in LibTomCrypt that was released into
299 * public domain by Tom St Denis. */
302 static const unsigned long K[64] = {
303 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x3956c25bUL,
304 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0xd807aa98UL, 0x12835b01UL,
305 0x243185beUL, 0x550c7dc3UL, 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL,
306 0xc19bf174UL, 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
307 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, 0x983e5152UL,
308 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, 0xc6e00bf3UL, 0xd5a79147UL,
309 0x06ca6351UL, 0x14292967UL, 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL,
310 0x53380d13UL, 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
311 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, 0xd192e819UL,
312 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, 0x19a4c116UL, 0x1e376c08UL,
313 0x2748774cUL, 0x34b0bcb5UL, 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL,
314 0x682e6ff3UL, 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
315 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
318 void rtw_secmicsetkey23a(struct mic_data *pmicdata, u8 *key);
319 void rtw_secmicappend23abyte23a(struct mic_data *pmicdata, u8 b);
320 void rtw_secmicappend23a(struct mic_data *pmicdata, u8 *src, u32 nbBytes);
321 void rtw_secgetmic23a(struct mic_data *pmicdata, u8 *dst);
323 void rtw_seccalctkipmic23a(u8 *key, u8 *header, u8 *data, u32 data_len,
324 u8 *Miccode, u8 priorityi);
326 u32 rtw_aes_encrypt23a(struct rtw_adapter *padapter,
327 struct xmit_frame *pxmitframe);
328 u32 rtw_tkip_encrypt23a(struct rtw_adapter *padapter,
329 struct xmit_frame *pxmitframe);
330 void rtw_wep_encrypt23a(struct rtw_adapter *padapter,
331 struct xmit_frame *pxmitframe);
332 u32 rtw_aes_decrypt23a(struct rtw_adapter *padapter,
333 struct recv_frame *precvframe);
334 u32 rtw_tkip_decrypt23a(struct rtw_adapter *padapter,
335 struct recv_frame *precvframe);
336 void rtw_wep_decrypt23a(struct rtw_adapter *padapter, struct recv_frame *precvframe);
338 void rtw_use_tkipkey_handler23a(void *FunctionContext);
340 #endif /* __RTL871X_SECURITY_H_ */