src/eap_common/chap.c

   1 /*
   2  * CHAP-MD5 (RFC 1994)
   3  * Copyright (c) 2007-2009, 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 #include "includes.h"
  16
  17 #include "common.h"
  18 #include "crypto/crypto.h"
  19 #include "chap.h"
  20
  21 int chap_md5(u8 id, const u8 *secret, size_t secret_len, const u8 *challenge,
  22               size_t challenge_len, u8 *response)
  23 {
  24         const u8 *addr[3];
  25         size_t len[3];
  26
  27         addr[0] = &id;
  28         len[0] = 1;
  29         addr[1] = secret;
  30         len[1] = secret_len;
  31         addr[2] = challenge;
  32         len[2] = challenge_len;
  33         return md5_vector(3, addr, len, response);
  34 }