mirror of
https://github.com/morrownr/8821cu-20210916.git
synced 2024-09-07 23:56:37 +00:00
422 lines
12 KiB
C
422 lines
12 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2007 - 2017 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*****************************************************************************/
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#ifndef __RTW_SECURITY_H_
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#define __RTW_SECURITY_H_
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enum security_type {
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/* TYPE */
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_NO_PRIVACY_ = 0x00,
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_WEP40_ = 0x01,
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_TKIP_ = 0x02,
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_TKIP_WTMIC_ = 0x03,
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_AES_ = 0x04,
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_WEP104_ = 0x05,
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_SMS4_ = 0x06,
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_GCMP_ = 0x07,
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_SEC_TYPE_MAX_,
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/* EXT_SECTYPE=1 */
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_SEC_TYPE_256_ = 0x10,
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_CCMP_256_ = (_AES_ | _SEC_TYPE_256_),
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_GCMP_256_ = (_GCMP_ | _SEC_TYPE_256_),
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#ifdef CONFIG_IEEE80211W
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/* EXT_SECTYPE=0, MGNT=1, GK=0/1, KEYID=00/01 */
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_SEC_TYPE_BIT_ = 0x20,
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_BIP_CMAC_128_ = (_SEC_TYPE_BIT_),
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_BIP_GMAC_128_ = (_SEC_TYPE_BIT_ + 1),
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_BIP_GMAC_256_ = (_SEC_TYPE_BIT_ + 2),
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/* EXT_SECTYPE=1, MGNT=1, GK=1, KEYID=00/01 */
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_BIP_CMAC_256_ = (_SEC_TYPE_BIT_ + 3),
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_BIP_MAX_,
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#endif
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};
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/* 802.11W use wrong key */
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#define IEEE80211W_RIGHT_KEY 0x0
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#define IEEE80211W_WRONG_KEY 0x1
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#define IEEE80211W_NO_KEY 0x2
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#define CCMPH_2_PN(ch) ((ch) & 0x000000000000ffff) \
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| (((ch) & 0xffffffff00000000) >> 16)
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#define is_wep_enc(alg) (((alg) == _WEP40_) || ((alg) == _WEP104_))
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const char *security_type_str(u8 value);
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#ifdef CONFIG_IEEE80211W
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u32 security_type_bip_to_gmcs(enum security_type type);
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#endif
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#define _WPA_IE_ID_ 0xdd
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#define _WPA2_IE_ID_ 0x30
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#define RTW_KEK_LEN 16
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#define RTW_KCK_LEN 16
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#define RTW_TKIP_MIC_LEN 8
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#define RTW_REPLAY_CTR_LEN 8
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#define INVALID_SEC_MAC_CAM_ID 0xFF
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typedef enum {
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ENCRYP_PROTOCOL_OPENSYS, /* open system */
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ENCRYP_PROTOCOL_WEP, /* WEP */
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ENCRYP_PROTOCOL_WPA, /* WPA */
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ENCRYP_PROTOCOL_WPA2, /* WPA2 */
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ENCRYP_PROTOCOL_WAPI, /* WAPI: Not support in this version */
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ENCRYP_PROTOCOL_MAX
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} ENCRYP_PROTOCOL_E;
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#ifndef Ndis802_11AuthModeWPA2
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#define Ndis802_11AuthModeWPA2 (Ndis802_11AuthModeWPANone + 1)
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#endif
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#ifndef Ndis802_11AuthModeWPA2PSK
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#define Ndis802_11AuthModeWPA2PSK (Ndis802_11AuthModeWPANone + 2)
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#endif
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union pn48 {
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u64 val;
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#ifdef CONFIG_LITTLE_ENDIAN
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struct {
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u8 TSC0;
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u8 TSC1;
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u8 TSC2;
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u8 TSC3;
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u8 TSC4;
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u8 TSC5;
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u8 TSC6;
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u8 TSC7;
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} _byte_;
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#elif defined(CONFIG_BIG_ENDIAN)
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struct {
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u8 TSC7;
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u8 TSC6;
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u8 TSC5;
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u8 TSC4;
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u8 TSC3;
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u8 TSC2;
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u8 TSC1;
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u8 TSC0;
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} _byte_;
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#endif
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};
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union Keytype {
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u8 skey[32];
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};
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typedef struct _RT_PMKID_LIST {
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u8 bUsed;
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u8 Bssid[6];
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u8 PMKID[16];
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u8 SsidBuf[33];
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u8 *ssid_octet;
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u16 ssid_length;
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} RT_PMKID_LIST, *PRT_PMKID_LIST;
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struct security_priv {
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u32 dot11AuthAlgrthm; /* 802.11 auth, could be open, shared, 8021x and authswitch */
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u32 dot11PrivacyAlgrthm; /* This specify the privacy for shared auth. algorithm. */
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/* WEP */
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u32 dot11PrivacyKeyIndex; /* this is only valid for legendary wep, 0~3 for key id. (tx key index) */
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union Keytype dot11DefKey[6]; /* this is only valid for def. key */
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u32 dot11DefKeylen[6];
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u8 dot11Def_camid[6];
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u8 key_mask; /* use to restore wep key after hal_init */
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u32 dot118021XGrpPrivacy; /* This specify the privacy algthm. used for Grp key */
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u32 dot118021XGrpKeyid; /* key id used for Grp Key ( tx key index) */
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union Keytype dot118021XGrpKey[6]; /* 802.1x Group Key, for inx0 and inx1 */
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union Keytype dot118021XGrptxmickey[6];
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union Keytype dot118021XGrprxmickey[6];
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union pn48 dot11Grptxpn; /* PN48 used for Grp Key xmit. */
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union pn48 dot11Grprxpn; /* PN48 used for Grp Key recv. */
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u8 iv_seq[4][8];
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#ifdef CONFIG_IEEE80211W
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enum security_type dot11wCipher;
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u32 dot11wBIPKeyid; /* key id used for BIP Key ( tx key index) */
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union Keytype dot11wBIPKey[6]; /* BIP Key, for index4 and index5 */
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union pn48 dot11wBIPtxpn; /* PN48 used for BIP xmit. */
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union pn48 dot11wBIPrxpn; /* PN48 used for BIP recv. */
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#endif /* CONFIG_IEEE80211W */
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#ifdef CONFIG_AP_MODE
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/* extend security capabilities for AP_MODE */
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unsigned int dot8021xalg;/* 0:disable, 1:psk, 2:802.1x */
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unsigned int wpa_psk;/* 0:disable, bit(0): WPA, bit(1):WPA2 */
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unsigned int wpa_group_cipher;
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unsigned int wpa2_group_cipher;
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unsigned int wpa_pairwise_cipher;
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unsigned int wpa2_pairwise_cipher;
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unsigned int akmp; /* An authentication and key management protocol */
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#endif
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u8 mfp_opt;
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u8 dot118021x_bmc_cam_id;
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/*IEEE802.11-2012 Std. Table 8-101 AKM Suite Selectors*/
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u32 rsn_akm_suite_type;
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u8 wps_ie[MAX_WPS_IE_LEN];/* added in assoc req */
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int wps_ie_len;
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u8 owe_ie[MAX_OWE_IE_LEN];/* added in assoc req */
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int owe_ie_len;
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u8 binstallGrpkey;
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#ifdef CONFIG_GTK_OL
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u8 binstallKCK_KEK;
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#endif /* CONFIG_GTK_OL */
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#ifdef CONFIG_IEEE80211W
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u8 binstallBIPkey;
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#endif /* CONFIG_IEEE80211W */
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u8 busetkipkey;
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u8 bcheck_grpkey;
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u8 bgrpkey_handshake;
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u8 auth_alg;
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u8 auth_type;
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u8 extauth_status;
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/* u8 packet_cnt; */ /* unused, removed */
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s32 sw_encrypt;/* from registry_priv */
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s32 sw_decrypt;/* from registry_priv */
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s32 hw_decrypted;/* if the rx packets is hw_decrypted==_FALSE, it means the hw has not been ready. */
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/* keeps the auth_type & enc_status from upper layer ioctl(wpa_supplicant or wzc) */
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u32 ndisauthtype; /* NDIS_802_11_AUTHENTICATION_MODE */
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u32 ndisencryptstatus; /* NDIS_802_11_ENCRYPTION_STATUS */
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NDIS_802_11_WEP ndiswep;
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u8 assoc_info[600];
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u8 szofcapability[256]; /* for wpa2 usage */
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u8 oidassociation[512]; /* for wpa/wpa2 usage */
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u8 authenticator_ie[256]; /* store ap security information element */
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u8 supplicant_ie[256]; /* store sta security information element */
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/* for tkip countermeasure */
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systime last_mic_err_time;
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u8 btkip_countermeasure;
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u8 btkip_wait_report;
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systime btkip_countermeasure_time;
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/* --------------------------------------------------------------------------- */
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/* For WPA2 Pre-Authentication. */
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/* --------------------------------------------------------------------------- */
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/* u8 RegEnablePreAuth; */ /* Default value: Pre-Authentication enabled or not, from registry "EnablePreAuth". Added by Annie, 2005-11-01. */
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/* u8 EnablePreAuthentication; */ /* Current Value: Pre-Authentication enabled or not. */
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RT_PMKID_LIST PMKIDList[NUM_PMKID_CACHE]; /* Renamed from PreAuthKey[NUM_PRE_AUTH_KEY]. Annie, 2006-10-13. */
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u8 PMKIDIndex;
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/* u32 PMKIDCount; */ /* Added by Annie, 2006-10-13. */
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/* u8 szCapability[256]; */ /* For WPA2-PSK using zero-config, by Annie, 2005-09-20. */
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u8 bWepDefaultKeyIdxSet;
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#define DBG_SW_SEC_CNT
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#ifdef DBG_SW_SEC_CNT
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u64 wep_sw_enc_cnt_bc;
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u64 wep_sw_enc_cnt_mc;
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u64 wep_sw_enc_cnt_uc;
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u64 wep_sw_dec_cnt_bc;
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u64 wep_sw_dec_cnt_mc;
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u64 wep_sw_dec_cnt_uc;
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u64 tkip_sw_enc_cnt_bc;
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u64 tkip_sw_enc_cnt_mc;
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u64 tkip_sw_enc_cnt_uc;
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u64 tkip_sw_dec_cnt_bc;
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u64 tkip_sw_dec_cnt_mc;
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u64 tkip_sw_dec_cnt_uc;
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u64 aes_sw_enc_cnt_bc;
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u64 aes_sw_enc_cnt_mc;
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u64 aes_sw_enc_cnt_uc;
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u64 aes_sw_dec_cnt_bc;
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u64 aes_sw_dec_cnt_mc;
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u64 aes_sw_dec_cnt_uc;
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u64 gcmp_sw_enc_cnt_bc;
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u64 gcmp_sw_enc_cnt_mc;
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u64 gcmp_sw_enc_cnt_uc;
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u64 gcmp_sw_dec_cnt_bc;
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u64 gcmp_sw_dec_cnt_mc;
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u64 gcmp_sw_dec_cnt_uc;
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#endif /* DBG_SW_SEC_CNT */
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};
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#ifdef CONFIG_IEEE80211W
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#define SEC_IS_BIP_KEY_INSTALLED(sec) ((sec)->binstallBIPkey)
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#else
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#define SEC_IS_BIP_KEY_INSTALLED(sec) _FALSE
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#endif
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#define GET_ENCRY_ALGO(psecuritypriv, psta, encry_algo, bmcst)\
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do {\
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switch (psecuritypriv->dot11AuthAlgrthm) {\
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case dot11AuthAlgrthm_Open:\
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case dot11AuthAlgrthm_Shared:\
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case dot11AuthAlgrthm_Auto:\
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encry_algo = (u8)psecuritypriv->dot11PrivacyAlgrthm;\
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break;\
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case dot11AuthAlgrthm_8021X:\
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if (bmcst)\
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encry_algo = (u8)psecuritypriv->dot118021XGrpPrivacy;\
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else\
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encry_algo = (u8) psta->dot118021XPrivacy;\
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break;\
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case dot11AuthAlgrthm_WAPI:\
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encry_algo = (u8)psecuritypriv->dot11PrivacyAlgrthm;\
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break;\
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} \
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} while (0)
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#define _AES_IV_LEN_ 8
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#define SET_ICE_IV_LEN(iv_len, icv_len, encrypt)\
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do {\
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switch (encrypt) {\
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case _WEP40_:\
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case _WEP104_:\
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iv_len = 4;\
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icv_len = 4;\
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break;\
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case _TKIP_:\
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iv_len = 8;\
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icv_len = 4;\
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break;\
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case _AES_:\
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iv_len = 8;\
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icv_len = 8;\
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break;\
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case _GCMP_:\
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case _GCMP_256_:\
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iv_len = 8;\
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icv_len = 16;\
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break;\
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case _CCMP_256_:\
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iv_len = 8;\
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icv_len = 16;\
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break;\
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case _SMS4_:\
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iv_len = 18;\
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icv_len = 16;\
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break;\
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default:\
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iv_len = 0;\
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icv_len = 0;\
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break;\
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} \
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} while (0)
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#define GET_TKIP_PN(iv, dot11txpn)\
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do {\
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dot11txpn._byte_.TSC0 = iv[2];\
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dot11txpn._byte_.TSC1 = iv[0];\
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dot11txpn._byte_.TSC2 = iv[4];\
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dot11txpn._byte_.TSC3 = iv[5];\
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dot11txpn._byte_.TSC4 = iv[6];\
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dot11txpn._byte_.TSC5 = iv[7];\
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} while (0)
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#define ROL32(A, n) (((A) << (n)) | (((A)>>(32-(n))) & ((1UL << (n)) - 1)))
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#define ROR32(A, n) ROL32((A), 32-(n))
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struct mic_data {
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u32 K0, K1; /* Key */
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u32 L, R; /* Current state */
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u32 M; /* Message accumulator (single word) */
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u32 nBytesInM; /* # bytes in M */
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};
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void rtw_secmicsetkey(struct mic_data *pmicdata, u8 *key);
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void rtw_secmicappendbyte(struct mic_data *pmicdata, u8 b);
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void rtw_secmicappend(struct mic_data *pmicdata, u8 *src, u32 nBytes);
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void rtw_secgetmic(struct mic_data *pmicdata, u8 *dst);
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void rtw_seccalctkipmic(
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u8 *key,
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u8 *header,
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u8 *data,
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u32 data_len,
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u8 *Miccode,
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u8 priority);
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u32 rtw_aes_encrypt(_adapter *padapter, u8 *pxmitframe);
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u32 rtw_tkip_encrypt(_adapter *padapter, u8 *pxmitframe);
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void rtw_wep_encrypt(_adapter *padapter, u8 *pxmitframe);
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u32 rtw_aes_decrypt(_adapter *padapter, u8 *precvframe);
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u32 rtw_tkip_decrypt(_adapter *padapter, u8 *precvframe);
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void rtw_wep_decrypt(_adapter *padapter, u8 *precvframe);
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u32 rtw_gcmp_encrypt(_adapter *padapter, u8 *pxmitframe);
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u32 rtw_gcmp_decrypt(_adapter *padapter, u8 *precvframe);
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#ifdef CONFIG_RTW_MESH_AEK
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int rtw_aes_siv_encrypt(const u8 *key, size_t key_len,
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const u8 *pw, size_t pwlen, size_t num_elem,
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const u8 *addr[], const size_t *len, u8 *out);
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int rtw_aes_siv_decrypt(const u8 *key, size_t key_len,
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const u8 *iv_crypt, size_t iv_c_len, size_t num_elem,
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const u8 *addr[], const size_t *len, u8 *out);
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#endif /* CONFIG_RTW_MESH_AEK */
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#ifdef CONFIG_IEEE80211W
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u8 rtw_calculate_bip_mic(enum security_type gmcs, u8 *whdr_pos, s32 len,
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const u8 *key, const u8 *data, size_t data_len, u8 *mic);
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u32 rtw_bip_verify(enum security_type gmcs, u16 pkt_len,
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u8 *whdr_pos, sint flen, const u8 *key, u16 keyid, u64 *ipn);
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#endif
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#ifdef CONFIG_TDLS
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void wpa_tdls_generate_tpk(_adapter *padapter, void *sta);
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int wpa_tdls_ftie_mic(u8 *kck, u8 trans_seq,
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u8 *lnkid, u8 *rsnie, u8 *timeoutie, u8 *ftie,
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u8 *mic);
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int wpa_tdls_teardown_ftie_mic(u8 *kck, u8 *lnkid, u16 reason,
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u8 dialog_token, u8 trans_seq, u8 *ftie, u8 *mic);
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int tdls_verify_mic(u8 *kck, u8 trans_seq,
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u8 *lnkid, u8 *rsnie, u8 *timeoutie, u8 *ftie);
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#endif /* CONFIG_TDLS */
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void rtw_sec_restore_wep_key(_adapter *adapter);
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u8 rtw_handle_tkip_countermeasure(_adapter *adapter, const char *caller);
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#ifdef CONFIG_WOWLAN
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u16 rtw_calc_crc(u8 *pdata, int length);
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#endif /*CONFIG_WOWLAN*/
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#define rtw_sec_chk_auth_alg(a, s) \
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((a)->securitypriv.auth_alg == (s))
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#define rtw_sec_chk_auth_type(a, s) \
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((a)->securitypriv.auth_type == (s))
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#endif /* __RTL871X_SECURITY_H_ */
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u32 rtw_calc_crc32(u8 *data, size_t len);
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