release/src-rt-6.x.4708/include/bcmcrypto/hmac_sha256.h

   1 /* hmac_sha256.h
   2  * Code copied from openssl distribution and
   3  * Modified just enough so that compiles and runs standalone
   4  *
   5  * Copyright (C) 2012, Broadcom Corporation. All Rights Reserved.
   6  *
   7  * Permission to use, copy, modify, and/or distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  14  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  16  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  17  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  *
  19  * $Id: hmac_sha256.h 241182 2011-02-17 21:50:03Z $
  20  */
  21 /* ====================================================================
  22  * Copyright (c) 2004 The OpenSSL Project.  All rights reserved
  23  * according to the OpenSSL license [found in ../../LICENSE].
  24  * ====================================================================
  25  */
  26 void hmac_sha256(const void *key, int key_len,
  27                  const unsigned char *text, size_t text_len,
  28                  unsigned char *digest,
  29                  unsigned int *digest_len);
  30 void hmac_sha256_n(const void *key, int key_len,
  31                    const unsigned char *text, size_t text_len,
  32                    unsigned char *digest,
  33                    unsigned int digest_len);
  34 void sha256(const unsigned char *text, size_t text_len, unsigned char *digest,
  35             unsigned int digest_len);
  36 int
  37 KDF(unsigned char *key, int key_len, unsigned char *prefix,
  38               int prefix_len, unsigned char *data, int data_len,
  39               unsigned char *output, int len);