epan/crypt/dot11decrypt_util.h

   1 /** @file
   2  *
   3  * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
   4  * Copyright (c) 2006 CACE Technologies, Davis (California)
   5  * All rights reserved.
   6  *
   7  * SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
   8  */
   9
  10 #ifndef _DOT11DECRYPT_UTIL_H
  11 #define _DOT11DECRYPT_UTIL_H
  12
  13 #include "dot11decrypt_int.h"
  14
  15 void dot11decrypt_construct_aad(
  16     PDOT11DECRYPT_MAC_FRAME wh,
  17     uint8_t *aad,
  18     size_t *aad_len);
  19
  20 bool
  21 dot11decrypt_prf(const uint8_t *key, size_t key_len,
  22                  const char *label,
  23                  const uint8_t *context, size_t context_len,
  24                  int hash_algo,
  25                  uint8_t *output, size_t output_len);
  26
  27 bool
  28 dot11decrypt_kdf(const uint8_t *key, size_t key_len,
  29                  const char *label,
  30                  const uint8_t *context, size_t context_len,
  31                  int hash_algo,
  32                  uint8_t *output, size_t output_len);
  33
  34 bool
  35 dot11decrypt_derive_pmk_r0(const uint8_t *xxkey, size_t xxkey_len,
  36                            const uint8_t *ssid, size_t ssid_len,
  37                            const uint8_t mdid[2],
  38                            const uint8_t *r0kh_id, size_t r0kh_id_len,
  39                            const uint8_t s0kh_id[DOT11DECRYPT_MAC_LEN],
  40                            int hash_algo,
  41                            uint8_t *pmk_r0,
  42                            size_t *pmk_r0_len,
  43                            uint8_t pmk_r0_name[16]);
  44
  45 bool
  46 dot11decrypt_derive_pmk_r1(const uint8_t *pmk_r0, size_t pmk_r0_len,
  47                            const uint8_t *pmk_r0_name,
  48                            const uint8_t *r1kh_id, const uint8_t *s1kh_id,
  49                            int hash_algo,
  50                            uint8_t *pmk_r1, size_t *pmk_r1_len,
  51                            uint8_t *pmk_r1_name);
  52
  53 bool
  54 dot11decrypt_derive_ft_ptk(const uint8_t *pmk_r1, size_t pmk_r1_len,
  55                            const uint8_t *pmk_r1_name,
  56                            const uint8_t *snonce, const uint8_t *anonce,
  57                            const uint8_t *bssid, const uint8_t *sta_addr,
  58                            int hash_algo,
  59                            uint8_t *ptk, const size_t ptk_len, uint8_t *ptk_name);
  60 #endif /* _DOT11DECRYPT_UTIL_H */
  61
  62 /*
  63  * Editor modelines
  64  *
  65  * Local Variables:
  66  * c-basic-offset: 4
  67  * tab-width: 8
  68  * indent-tabs-mode: nil
  69  * End:
  70  *
  71  * ex: set shiftwidth=4 tabstop=8 expandtab:
  72  * :indentSize=4:tabSize=8:noTabs=true:
  73  */