contrib/wpa_supplicant-0.5.8/sha256.h

   1 /*
   2  * SHA256 hash implementation and interface functions
   3  * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #ifndef SHA256_H
  16 #define SHA256_H
  17
  18 #define SHA256_MAC_LEN 32
  19
  20 void hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem,
  21                       const u8 *addr[], const size_t *len, u8 *mac);
  22 void hmac_sha256(const u8 *key, size_t key_len, const u8 *data,
  23                  size_t data_len, u8 *mac);
  24 void sha256_prf(const u8 *key, size_t key_len, const char *label,
  25               const u8 *data, size_t data_len, u8 *buf, size_t buf_len);
  26
  27 #endif /* SHA256_H */