lib/hcrypto/test_hmac.c

   1 /*
   2  * Copyright (c) 2006 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include <config.h>
  35
  36 #include <sys/types.h>
  37 #include <limits.h>
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41
  42 #include <hmac.h>
  43 #include <evp.h>
  44
  45 int
  46 main(int argc, char **argv)
  47 {
  48     unsigned char buf[4] = { 0, 0, 0, 0 };
  49     char hmackey[] = "hello-world";
  50     size_t hmackey_size = sizeof(hmackey);
  51     unsigned int hmaclen;
  52     unsigned char hmac[EVP_MAX_MD_SIZE];
  53     HMAC_CTX c;
  54
  55     char answer[20] = "\x2c\xfa\x32\xb7\x2b\x8a\xf6\xdf\xcf\xda"
  56                       "\x6f\xd1\x52\x4d\x54\x58\x73\x0f\xf3\x24";
  57
  58     HMAC_CTX_init(&c);
  59     HMAC_Init_ex(&c, hmackey, hmackey_size, EVP_sha1(), NULL);
  60     HMAC_Update(&c, buf, sizeof(buf));
  61     HMAC_Final(&c, hmac, &hmaclen);
  62     HMAC_CTX_cleanup(&c);
  63
  64     if (hmaclen != 20) {
  65         printf("hmaclen = %d\n", (int)hmaclen);
  66         return 1;
  67     }
  68
  69     if (memcmp(hmac, answer, hmaclen) != 0) {
  70         printf("wrong answer\n");
  71         return 1;
  72     }
  73
  74     return 0;
  75 }