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

   1 /*
   2  * prf.h
   3  * PRF function used in WPA and TGi
   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: prf.h 241182 2011-02-17 21:50:03Z $
  20  */
  21
  22 #ifndef _PRF_H_
  23 #define _PRF_H_
  24
  25 #include <typedefs.h>
  26
  27 /* lengths in Bytes */
  28 #define PRF_MAX_I_D_LEN 128
  29 #define PRF_MAX_KEY_LEN 64
  30 #define PRF_OUTBUF_LEN  80
  31
  32 extern int BCMROMFN(PRF)(unsigned char *key, int key_len, unsigned char *prefix,
  33                          int prefix_len, unsigned char *data, int data_len,
  34                          unsigned char *output, int len);
  35
  36 extern int BCMROMFN(fPRF)(unsigned char *key, int key_len, const unsigned char *prefix,
  37                           int prefix_len, unsigned char *data, int data_len,
  38                           unsigned char *output, int len);
  39
  40 extern void BCMROMFN(hmac_sha1)(unsigned char *text, int text_len, unsigned char *key,
  41                                 int key_len, unsigned char *digest);
  42
  43 extern void BCMROMFN(hmac_md5)(unsigned char *text, int text_len, unsigned char *key,
  44                                int key_len, unsigned char *digest);
  45
  46 #endif /* _PRF_H_ */