wlan_crypto_aes_i.h 8.1 KB

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  1. /*
  2. * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved.
  3. */
  4. /*
  5. * AES (Rijndael) cipher
  6. * Copyright (c) 2003-2012, Jouni Malinen <[email protected]>
  7. *
  8. * This software may be distributed under the terms of the BSD license.
  9. * See README for more details.
  10. */
  11. #ifndef WLAN_CRYPTO_AES_I_H
  12. #define WLAN_CRYPTO_AES_I_H
  13. #include <wlan_cmn.h>
  14. #include <wlan_objmgr_cmn.h>
  15. #include <wlan_objmgr_global_obj.h>
  16. #include <wlan_objmgr_psoc_obj.h>
  17. #include <wlan_objmgr_pdev_obj.h>
  18. #include <wlan_objmgr_vdev_obj.h>
  19. #include <wlan_objmgr_peer_obj.h>
  20. #include "wlan_crypto_global_def.h"
  21. #define CCMP_IV_SIZE (WLAN_CRYPTO_IV_LEN + WLAN_CRYPTO_KEYID_LEN \
  22. + WLAN_CRYPTO_EXT_IV_LEN)
  23. #define AES_BLOCK_SIZE 16
  24. #define AAD_LEN_FIELD (2)
  25. #define wpa_printf(args...) do { } while (0)
  26. #define wpa_hexdump(l, t, b, le) do { } while (0)
  27. #define wpa_hexdump_buf(l, t, b) do { } while (0)
  28. #define wpa_hexdump_key(l, t, b, le) do { } while (0)
  29. #define wpa_hexdump_buf_key(l, t, b) do { } while (0)
  30. #define wpa_hexdump_ascii(l, t, b, le) do { } while (0)
  31. #define wpa_hexdump_ascii_key(l, t, b, le) do { } while (0)
  32. /* #define FULL_UNROLL */
  33. #define AES_SMALL_TABLES
  34. extern const uint32_t Te0[256];
  35. extern const uint32_t Te1[256];
  36. extern const uint32_t Te2[256];
  37. extern const uint32_t Te3[256];
  38. extern const uint32_t Te4[256];
  39. extern const uint32_t Td0[256];
  40. extern const uint32_t Td1[256];
  41. extern const uint32_t Td2[256];
  42. extern const uint32_t Td3[256];
  43. extern const uint32_t Td4[256];
  44. extern const uint32_t rcon[10];
  45. extern const uint8_t Td4s[256];
  46. extern const uint8_t rcons[10];
  47. #ifndef AES_SMALL_TABLES
  48. #define RCON(i) rcon[(i)]
  49. static inline uint32_t rotr(uint32_t val, int bits)
  50. {
  51. return (val >> bits) | (val << (32 - bits));
  52. }
  53. #define TE0(i) Te0[((i) >> 24) & 0xff]
  54. #define TE1(i) Te1[((i) >> 16) & 0xff]
  55. #define TE2(i) Te2[((i) >> 8) & 0xff]
  56. #define TE3(i) Te3[(i) & 0xff]
  57. #define TE41(i) (Te4[((i) >> 24) & 0xff] & 0xff000000)
  58. #define TE42(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000)
  59. #define TE43(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00)
  60. #define TE44(i) (Te4[(i) & 0xff] & 0x000000ff)
  61. #define TE421(i) (Te4[((i) >> 16) & 0xff] & 0xff000000)
  62. #define TE432(i) (Te4[((i) >> 8) & 0xff] & 0x00ff0000)
  63. #define TE443(i) (Te4[(i) & 0xff] & 0x0000ff00)
  64. #define TE414(i) (Te4[((i) >> 24) & 0xff] & 0x000000ff)
  65. #define TE411(i) (Te4[((i) >> 24) & 0xff] & 0xff000000)
  66. #define TE422(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000)
  67. #define TE433(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00)
  68. #define TE444(i) (Te4[(i) & 0xff] & 0x000000ff)
  69. #define TE4(i) (Te4[(i)] & 0x000000ff)
  70. #define TD0(i) Td0[((i) >> 24) & 0xff]
  71. #define TD1(i) Td1[((i) >> 16) & 0xff]
  72. #define TD2(i) Td2[((i) >> 8) & 0xff]
  73. #define TD3(i) Td3[(i) & 0xff]
  74. #define TD41(i) (Td4[((i) >> 24) & 0xff] & 0xff000000)
  75. #define TD42(i) (Td4[((i) >> 16) & 0xff] & 0x00ff0000)
  76. #define TD43(i) (Td4[((i) >> 8) & 0xff] & 0x0000ff00)
  77. #define TD44(i) (Td4[(i) & 0xff] & 0x000000ff)
  78. #define TD0_(i) Td0[(i) & 0xff]
  79. #define TD1_(i) Td1[(i) & 0xff]
  80. #define TD2_(i) Td2[(i) & 0xff]
  81. #define TD3_(i) Td3[(i) & 0xff]
  82. #else /* AES_SMALL_TABLES */
  83. #define RCON(i) (rcons[(i)] << 24)
  84. static inline uint32_t rotr(uint32_t val, int bits)
  85. {
  86. return (val >> bits) | (val << (32 - bits));
  87. }
  88. #define TE0(i) Te0[((i) >> 24) & 0xff]
  89. #define TE1(i) rotr(Te0[((i) >> 16) & 0xff], 8)
  90. #define TE2(i) rotr(Te0[((i) >> 8) & 0xff], 16)
  91. #define TE3(i) rotr(Te0[(i) & 0xff], 24)
  92. #define TE41(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000)
  93. #define TE42(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000)
  94. #define TE43(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00)
  95. #define TE44(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff)
  96. #define TE421(i) ((Te0[((i) >> 16) & 0xff] << 8) & 0xff000000)
  97. #define TE432(i) (Te0[((i) >> 8) & 0xff] & 0x00ff0000)
  98. #define TE443(i) (Te0[(i) & 0xff] & 0x0000ff00)
  99. #define TE414(i) ((Te0[((i) >> 24) & 0xff] >> 8) & 0x000000ff)
  100. #define TE411(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000)
  101. #define TE422(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000)
  102. #define TE433(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00)
  103. #define TE444(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff)
  104. #define TE4(i) ((Te0[(i)] >> 8) & 0x000000ff)
  105. #define TD0(i) Td0[((i) >> 24) & 0xff]
  106. #define TD1(i) rotr(Td0[((i) >> 16) & 0xff], 8)
  107. #define TD2(i) rotr(Td0[((i) >> 8) & 0xff], 16)
  108. #define TD3(i) rotr(Td0[(i) & 0xff], 24)
  109. #define TD41(i) (Td4s[((i) >> 24) & 0xff] << 24)
  110. #define TD42(i) (Td4s[((i) >> 16) & 0xff] << 16)
  111. #define TD43(i) (Td4s[((i) >> 8) & 0xff] << 8)
  112. #define TD44(i) (Td4s[(i) & 0xff])
  113. #define TD0_(i) Td0[(i) & 0xff]
  114. #define TD1_(i) rotr(Td0[(i) & 0xff], 8)
  115. #define TD2_(i) rotr(Td0[(i) & 0xff], 16)
  116. #define TD3_(i) rotr(Td0[(i) & 0xff], 24)
  117. #endif /* AES_SMALL_TABLES */
  118. #ifdef _MSC_VER
  119. #define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
  120. #define GETU32(p) SWAP(*((uint32_t *)(p)))
  121. #define PUTU32(ct, st) { *((uint32_t *)(ct)) = SWAP((st)); }
  122. #else
  123. #define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
  124. #define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^\
  125. ((u32)(pt)[2] << 8) ^ ((u32)(pt)[3]))
  126. #define PUTU32(ct, st) {\
  127. (ct)[0] = (u8)((st) >> 24);\
  128. (ct)[1] = (u8)((st) >> 16);\
  129. (ct)[2] = (u8)((st) >> 8);\
  130. (ct)[3] = (u8)(st); }
  131. #endif
  132. #define AES_PRIV_SIZE (4 * 4 * 15 + 4)
  133. #define AES_PRIV_NR_POS (4 * 15)
  134. struct ieee80211_hdr;
  135. struct ieee80211_hdr_addr4 {
  136. uint8_t frame_control[2];
  137. uint8_t duration_id[2];
  138. uint8_t addr1[QDF_MAC_ADDR_SIZE];
  139. uint8_t addr2[QDF_MAC_ADDR_SIZE];
  140. uint8_t addr3[QDF_MAC_ADDR_SIZE];
  141. uint8_t seq_ctrl[2];
  142. uint8_t addr4[QDF_MAC_ADDR_SIZE];
  143. } __packed;
  144. int wlan_crypto_rijndaelKeySetupEnc(uint32_t rk[], const uint8_t cipherKey[],
  145. int keyBits);
  146. uint8_t *wlan_crypto_ccmp_encrypt(const uint8_t *key, uint8_t *frame,
  147. size_t len, size_t hdrlen);
  148. uint8_t *wlan_crypto_ccmp_decrypt(const uint8_t *key,
  149. const struct wlan_frame_hdr *hdr,
  150. uint8_t *data, size_t data_len);
  151. uint8_t *wlan_crypto_tkip_encrypt(const uint8_t *key, uint8_t *frame,
  152. size_t len, size_t hdrlen);
  153. uint8_t *wlan_crypto_tkip_decrypt(const uint8_t *key,
  154. const struct wlan_frame_hdr *hdr,
  155. uint8_t *data, size_t data_len);
  156. uint8_t *wlan_crypto_wep_encrypt(const uint8_t *key, uint16_t key_len,
  157. uint8_t *data, size_t data_len);
  158. uint8_t *wlan_crypto_wep_decrypt(const uint8_t *key, uint16_t key_len,
  159. uint8_t *data, size_t data_len);
  160. void wlan_crypto_wep_crypt(uint8_t *key, uint8_t *buf, size_t plen);
  161. uint32_t wlan_crypto_crc32(const uint8_t *frame, size_t frame_len);
  162. int wlan_crypto_aes_gcm_ae(const uint8_t *key, size_t key_len,
  163. const uint8_t *iv, size_t iv_len,
  164. const uint8_t *plain, size_t plain_len,
  165. const uint8_t *aad, size_t aad_len,
  166. uint8_t *crypt, uint8_t *tag);
  167. int wlan_crypto_aes_gcm_ad(const uint8_t *key, size_t key_len,
  168. const uint8_t *iv, size_t iv_len,
  169. const uint8_t *crypt, size_t crypt_len,
  170. const uint8_t *aad, size_t aad_len,
  171. const uint8_t *tag,
  172. uint8_t *plain);
  173. int wlan_crypto_aes_gmac(const uint8_t *key, size_t key_len,
  174. const uint8_t *iv, size_t iv_len,
  175. const uint8_t *aad, size_t aad_len, uint8_t *tag);
  176. int wlan_crypto_aes_ccm_ae(const uint8_t *key, size_t key_len,
  177. const uint8_t *nonce, size_t M, const uint8_t *plain,
  178. size_t plain_len, const uint8_t *aad, size_t aad_len,
  179. uint8_t *crypt, uint8_t *auth);
  180. int wlan_crypto_aes_ccm_ad(const uint8_t *key, size_t key_len,
  181. const uint8_t *nonce, size_t M, const uint8_t *crypt,
  182. size_t crypt_len, const uint8_t *aad, size_t aad_len,
  183. const uint8_t *auth, uint8_t *plain);
  184. void *wlan_crypto_aes_encrypt_init(const uint8_t *key, size_t len);
  185. void wlan_crypto_aes_encrypt(void *ctx, const uint8_t *plain, uint8_t *crypt);
  186. void wlan_crypto_aes_encrypt_deinit(void *ctx);
  187. void *wlan_crypto_aes_decrypt_init(const uint8_t *key, size_t len);
  188. void wlan_crypto_aes_decrypt(void *ctx, const uint8_t *crypt, uint8_t *plain);
  189. void wlan_crypto_aes_decrypt_deinit(void *ctx);
  190. int omac1_aes_128(const uint8_t *key, const uint8_t *data,
  191. size_t data_len, uint8_t *mac);
  192. int omac1_aes_256(const uint8_t *key, const uint8_t *data,
  193. size_t data_len, uint8_t *mac);
  194. int omac1_aes_vector(const uint8_t *key, size_t key_len, size_t num_elem,
  195. const uint8_t *addr[], const size_t *len, uint8_t *mac);
  196. #endif /* WLAN_CRYPTO_AES_I_H */