diff options
Diffstat (limited to 'drivers/staging/rtl8723bs/include/rtw_security.h')
| -rw-r--r-- | drivers/staging/rtl8723bs/include/rtw_security.h | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723bs/include/rtw_security.h b/drivers/staging/rtl8723bs/include/rtw_security.h new file mode 100644 index 000000000..7587fa888 --- /dev/null +++ b/drivers/staging/rtl8723bs/include/rtw_security.h @@ -0,0 +1,278 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/****************************************************************************** + * + * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ +#ifndef __RTW_SECURITY_H_ +#define __RTW_SECURITY_H_ + +#include <crypto/arc4.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 _BIP_ 0x8 +#define is_wep_enc(alg) (((alg) == _WEP40_) || ((alg) == _WEP104_)) + +const char *security_type_str(u8 value); + +#define SHA256_MAC_LEN 32 +#define AES_BLOCK_SIZE 16 +#define AES_PRIV_SIZE (4 * 44) + +#define RTW_KEK_LEN 16 +#define RTW_KCK_LEN 16 +#define RTW_REPLAY_CTR_LEN 8 + +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_; +#else +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]; + u8 key_mask; /* use to restore wep key after hal_init */ + + 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[BIP_MAX_KEYID + 1]; /* 802.1x Group Key, for inx0 and inx1 */ + union Keytype dot118021XGrptxmickey[BIP_MAX_KEYID + 1]; + union Keytype dot118021XGrprxmickey[BIP_MAX_KEYID + 1]; + union pn48 dot11Grptxpn; /* PN48 used for Grp Key xmit. */ + union pn48 dot11Grprxpn; /* PN48 used for Grp Key recv. */ + u32 dot11wBIPKeyid; /* key id used for BIP Key (tx key index) */ + union Keytype dot11wBIPKey[BIP_MAX_KEYID + 1]; /* BIP Key, for index4 and index5 */ + union pn48 dot11wBIPtxpn; /* PN48 used for Grp Key xmit. */ + union pn48 dot11wBIPrxpn; /* PN48 used for Grp Key recv. */ + + /* 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; + + u8 wps_ie[MAX_WPS_IE_LEN];/* added in assoc req */ + int wps_ie_len; + + struct arc4_ctx xmit_arc4_ctx; + struct arc4_ctx recv_arc4_ctx; + + u8 binstallGrpkey; + u8 binstallBIPkey; + u8 busetkipkey; + /* _timer tkip_timer; */ + 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, it means the hw has not been ready. */ + + + /* keeps the auth_type & enc_status from upper layer ioctl(wpa_supplicant or wzc) */ + u32 ndisauthtype; /* enum 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 */ + unsigned long 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]; /* Renamed from PreAuthKey[NUM_PRE_AUTH_KEY]. Annie, 2006-10-13. */ + 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 */ +}; + +/* ===== start - public domain SHA256 implementation ===== */ + +/* This is based on SHA256 implementation in LibTomCrypt that was released into + * public domain by Tom St Denis. */ + +int omac1_aes_128(u8 *key, u8 *data, size_t data_len, u8 *mac); +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); +u32 rtw_BIP_verify(struct adapter *padapter, u8 *precvframe); + +void rtw_sec_restore_wep_key(struct adapter *adapter); +u8 rtw_handle_tkip_countermeasure(struct adapter *adapter, const char *caller); + +#endif /* __RTL871X_SECURITY_H_ */ |