| /* |
| * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved. |
| */ |
| /* |
| * AES (Rijndael) cipher |
| * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> |
| * |
| * This software may be distributed under the terms of the BSD license. |
| * See README for more details. |
| */ |
| |
| #ifndef WLAN_CRYPTO_AES_I_H |
| #define WLAN_CRYPTO_AES_I_H |
| |
| #include <wlan_cmn.h> |
| #include <wlan_objmgr_cmn.h> |
| #include <wlan_objmgr_global_obj.h> |
| #include <wlan_objmgr_psoc_obj.h> |
| #include <wlan_objmgr_pdev_obj.h> |
| #include <wlan_objmgr_vdev_obj.h> |
| #include <wlan_objmgr_peer_obj.h> |
| #include "wlan_crypto_global_def.h" |
| |
| |
| #define CCMP_IV_SIZE (WLAN_CRYPTO_IV_LEN + WLAN_CRYPTO_KEYID_LEN \ |
| + WLAN_CRYPTO_EXT_IV_LEN) |
| |
| #define AES_BLOCK_SIZE 16 |
| #define wpa_printf(args...) do { } while (0) |
| #define wpa_hexdump(l, t, b, le) do { } while (0) |
| #define wpa_hexdump_buf(l, t, b) do { } while (0) |
| #define wpa_hexdump_key(l, t, b, le) do { } while (0) |
| #define wpa_hexdump_buf_key(l, t, b) do { } while (0) |
| #define wpa_hexdump_ascii(l, t, b, le) do { } while (0) |
| #define wpa_hexdump_ascii_key(l, t, b, le) do { } while (0) |
| /* #define FULL_UNROLL */ |
| #define AES_SMALL_TABLES |
| |
| extern const uint32_t Te0[256]; |
| extern const uint32_t Te1[256]; |
| extern const uint32_t Te2[256]; |
| extern const uint32_t Te3[256]; |
| extern const uint32_t Te4[256]; |
| extern const uint32_t Td0[256]; |
| extern const uint32_t Td1[256]; |
| extern const uint32_t Td2[256]; |
| extern const uint32_t Td3[256]; |
| extern const uint32_t Td4[256]; |
| extern const uint32_t rcon[10]; |
| extern const uint8_t Td4s[256]; |
| extern const uint8_t rcons[10]; |
| |
| #ifndef AES_SMALL_TABLES |
| |
| #define RCON(i) rcon[(i)] |
| static inline uint32_t rotr(uint32_t val, int bits) |
| { |
| return (val >> bits) | (val << (32 - bits)); |
| } |
| |
| #define TE0(i) Te0[((i) >> 24) & 0xff] |
| #define TE1(i) Te1[((i) >> 16) & 0xff] |
| #define TE2(i) Te2[((i) >> 8) & 0xff] |
| #define TE3(i) Te3[(i) & 0xff] |
| #define TE41(i) (Te4[((i) >> 24) & 0xff] & 0xff000000) |
| #define TE42(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000) |
| #define TE43(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00) |
| #define TE44(i) (Te4[(i) & 0xff] & 0x000000ff) |
| #define TE421(i) (Te4[((i) >> 16) & 0xff] & 0xff000000) |
| #define TE432(i) (Te4[((i) >> 8) & 0xff] & 0x00ff0000) |
| #define TE443(i) (Te4[(i) & 0xff] & 0x0000ff00) |
| #define TE414(i) (Te4[((i) >> 24) & 0xff] & 0x000000ff) |
| #define TE411(i) (Te4[((i) >> 24) & 0xff] & 0xff000000) |
| #define TE422(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000) |
| #define TE433(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00) |
| #define TE444(i) (Te4[(i) & 0xff] & 0x000000ff) |
| #define TE4(i) (Te4[(i)] & 0x000000ff) |
| |
| #define TD0(i) Td0[((i) >> 24) & 0xff] |
| #define TD1(i) Td1[((i) >> 16) & 0xff] |
| #define TD2(i) Td2[((i) >> 8) & 0xff] |
| #define TD3(i) Td3[(i) & 0xff] |
| #define TD41(i) (Td4[((i) >> 24) & 0xff] & 0xff000000) |
| #define TD42(i) (Td4[((i) >> 16) & 0xff] & 0x00ff0000) |
| #define TD43(i) (Td4[((i) >> 8) & 0xff] & 0x0000ff00) |
| #define TD44(i) (Td4[(i) & 0xff] & 0x000000ff) |
| #define TD0_(i) Td0[(i) & 0xff] |
| #define TD1_(i) Td1[(i) & 0xff] |
| #define TD2_(i) Td2[(i) & 0xff] |
| #define TD3_(i) Td3[(i) & 0xff] |
| |
| #else /* AES_SMALL_TABLES */ |
| |
| #define RCON(i) (rcons[(i)] << 24) |
| |
| static inline uint32_t rotr(uint32_t 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 TE41(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000) |
| #define TE42(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000) |
| #define TE43(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00) |
| #define TE44(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff) |
| #define TE421(i) ((Te0[((i) >> 16) & 0xff] << 8) & 0xff000000) |
| #define TE432(i) (Te0[((i) >> 8) & 0xff] & 0x00ff0000) |
| #define TE443(i) (Te0[(i) & 0xff] & 0x0000ff00) |
| #define TE414(i) ((Te0[((i) >> 24) & 0xff] >> 8) & 0x000000ff) |
| #define TE411(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000) |
| #define TE422(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000) |
| #define TE433(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00) |
| #define TE444(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff) |
| #define TE4(i) ((Te0[(i)] >> 8) & 0x000000ff) |
| |
| #define TD0(i) Td0[((i) >> 24) & 0xff] |
| #define TD1(i) rotr(Td0[((i) >> 16) & 0xff], 8) |
| #define TD2(i) rotr(Td0[((i) >> 8) & 0xff], 16) |
| #define TD3(i) rotr(Td0[(i) & 0xff], 24) |
| #define TD41(i) (Td4s[((i) >> 24) & 0xff] << 24) |
| #define TD42(i) (Td4s[((i) >> 16) & 0xff] << 16) |
| #define TD43(i) (Td4s[((i) >> 8) & 0xff] << 8) |
| #define TD44(i) (Td4s[(i) & 0xff]) |
| #define TD0_(i) Td0[(i) & 0xff] |
| #define TD1_(i) rotr(Td0[(i) & 0xff], 8) |
| #define TD2_(i) rotr(Td0[(i) & 0xff], 16) |
| #define TD3_(i) rotr(Td0[(i) & 0xff], 24) |
| |
| #endif /* AES_SMALL_TABLES */ |
| |
| #ifdef _MSC_VER |
| |
| #define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) |
| #define GETU32(p) SWAP(*((uint32_t *)(p))) |
| #define PUTU32(ct, st) { *((uint32_t *)(ct)) = SWAP((st)); } |
| #else |
| #define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) |
| |
| #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); } |
| #endif |
| |
| #define AES_PRIV_SIZE (4 * 4 * 15 + 4) |
| #define AES_PRIV_NR_POS (4 * 15) |
| |
| #define WLAN_ALEN (6) |
| |
| struct ieee80211_hdr { |
| uint8_t frame_control[2]; |
| uint8_t duration_id[2]; |
| uint8_t addr1[WLAN_ALEN]; |
| uint8_t addr2[WLAN_ALEN]; |
| uint8_t addr3[WLAN_ALEN]; |
| uint8_t seq_ctrl[2]; |
| } __packed; |
| |
| struct ieee80211_hdr_addr4 { |
| uint8_t frame_control[2]; |
| uint8_t duration_id[2]; |
| uint8_t addr1[WLAN_ALEN]; |
| uint8_t addr2[WLAN_ALEN]; |
| uint8_t addr3[WLAN_ALEN]; |
| uint8_t seq_ctrl[2]; |
| uint8_t addr4[WLAN_ALEN]; |
| } __packed; |
| |
| struct ieee80211_hdr_qos { |
| uint8_t frame_control[2]; |
| uint8_t duration_id[2]; |
| uint8_t addr1[WLAN_ALEN]; |
| uint8_t addr2[WLAN_ALEN]; |
| uint8_t addr3[WLAN_ALEN]; |
| uint8_t seq_ctrl[2]; |
| uint8_t qos[2]; |
| } __packed; |
| |
| struct ieee80211_hdr_qos_addr4 { |
| uint8_t frame_control[2]; |
| uint8_t duration_id[2]; |
| uint8_t addr1[WLAN_ALEN]; |
| uint8_t addr2[WLAN_ALEN]; |
| uint8_t addr3[WLAN_ALEN]; |
| uint8_t seq_ctrl[2]; |
| uint8_t addr4[WLAN_ALEN]; |
| uint8_t qos[2]; |
| } __packed; |
| |
| int wlan_crypto_rijndaelKeySetupEnc(uint32_t rk[], const uint8_t cipherKey[], |
| int keyBits); |
| |
| uint8_t *wlan_crypto_ccmp_encrypt(const uint8_t *key, uint8_t *frame, |
| size_t len, size_t hdrlen); |
| |
| uint8_t *wlan_crypto_ccmp_decrypt(const uint8_t *key, |
| const struct ieee80211_hdr *hdr, |
| uint8_t *data, size_t data_len); |
| |
| uint8_t *wlan_crypto_tkip_encrypt(const uint8_t *key, uint8_t *frame, |
| size_t len, size_t hdrlen); |
| |
| uint8_t *wlan_crypto_tkip_decrypt(const uint8_t *key, |
| const struct ieee80211_hdr *hdr, |
| uint8_t *data, size_t data_len); |
| |
| uint8_t *wlan_crypto_wep_encrypt(const uint8_t *key, uint16_t key_len, |
| uint8_t *data, size_t data_len); |
| uint8_t *wlan_crypto_wep_decrypt(const uint8_t *key, uint16_t key_len, |
| uint8_t *data, size_t data_len); |
| |
| void wlan_crypto_wep_crypt(uint8_t *key, uint8_t *buf, size_t plen); |
| |
| uint32_t wlan_crypto_crc32(const uint8_t *frame, size_t frame_len); |
| |
| int wlan_crypto_aes_gcm_ae(const uint8_t *key, size_t key_len, |
| const uint8_t *iv, size_t iv_len, |
| const uint8_t *plain, size_t plain_len, |
| const uint8_t *aad, size_t aad_len, |
| uint8_t *crypt, uint8_t *tag); |
| |
| int wlan_crypto_aes_gcm_ad(const uint8_t *key, size_t key_len, |
| const uint8_t *iv, size_t iv_len, |
| const uint8_t *crypt, size_t crypt_len, |
| const uint8_t *aad, size_t aad_len, |
| const uint8_t *tag, |
| uint8_t *plain); |
| #ifdef WLAN_CRYPTO_GCM_OS_DERIVATIVE |
| static inline int wlan_crypto_aes_gmac(const uint8_t *key, size_t key_len, |
| const uint8_t *iv, size_t iv_len, |
| const uint8_t *aad, size_t aad_len, |
| uint8_t *tag) |
| { |
| return 0; |
| } |
| #else |
| int wlan_crypto_aes_gmac(const uint8_t *key, size_t key_len, |
| const uint8_t *iv, size_t iv_len, |
| const uint8_t *aad, size_t aad_len, uint8_t *tag); |
| #endif |
| int wlan_crypto_aes_ccm_ae(const uint8_t *key, size_t key_len, |
| const uint8_t *nonce, size_t M, const uint8_t *plain, |
| size_t plain_len, const uint8_t *aad, size_t aad_len, |
| uint8_t *crypt, uint8_t *auth); |
| |
| int wlan_crypto_aes_ccm_ad(const uint8_t *key, size_t key_len, |
| const uint8_t *nonce, size_t M, const uint8_t *crypt, |
| size_t crypt_len, const uint8_t *aad, size_t aad_len, |
| const uint8_t *auth, uint8_t *plain); |
| |
| void *wlan_crypto_aes_encrypt_init(const uint8_t *key, size_t len); |
| void wlan_crypto_aes_encrypt(void *ctx, const uint8_t *plain, uint8_t *crypt); |
| void wlan_crypto_aes_encrypt_deinit(void *ctx); |
| void *wlan_crypto_aes_decrypt_init(const uint8_t *key, size_t len); |
| void wlan_crypto_aes_decrypt(void *ctx, const uint8_t *crypt, uint8_t *plain); |
| void wlan_crypto_aes_decrypt_deinit(void *ctx); |
| #ifdef WLAN_CRYPTO_OMAC1_OS_DERIVATIVE |
| static inline int omac1_aes_128(const uint8_t *key, const uint8_t *data, |
| size_t data_len, uint8_t *mac) |
| { |
| return 0; |
| } |
| |
| static inline int omac1_aes_256(const uint8_t *key, const uint8_t *data, |
| size_t data_len, uint8_t *mac) |
| { |
| return 0; |
| } |
| #else |
| int omac1_aes_128(const uint8_t *key, const uint8_t *data, |
| size_t data_len, uint8_t *mac); |
| int omac1_aes_256(const uint8_t *key, const uint8_t *data, |
| size_t data_len, uint8_t *mac); |
| #endif |
| int omac1_aes_vector(const uint8_t *key, size_t key_len, size_t num_elem, |
| const uint8_t *addr[], const size_t *len, uint8_t *mac); |
| #endif /* WLAN_CRYPTO_AES_I_H */ |