tests/test-gc-sha256.c

   1 /*
   2  * Copyright (C) 2005, 2010-2024 Free Software Foundation, Inc.
   3  * Written by Simon Josefsson
   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 as published by
   7  * the Free Software Foundation, either version 3, or (at your option)
   8  * any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, see <https://www.gnu.org/licenses/>.  */
  17
  18 #include <config.h>
  19
  20 #include "gc.h"
  21
  22 #include <stdio.h>
  23 #include <string.h>
  24
  25 int
  26 main (int argc, char *argv[])
  27 {
  28   Gc_rc rc;
  29   gc_hash_handle h;
  30
  31   rc = gc_init ();
  32   if (rc != GC_OK)
  33     {
  34       printf ("gc_init() failed\n");
  35       return 1;
  36     }
  37
  38   {
  39     const char *in = "abcdefghijklmnopqrstuvwxyz";
  40     size_t inlen = strlen (in);
  41     const char *expect =
  42       "\x71\xc4\x80\xdf\x93\xd6\xae\x2f\x1e\xfa\xd1\x44\x7c\x66\xc9\x52"
  43       "\x5e\x31\x62\x18\xcf\x51\xfc\x8d\x9e\xd8\x32\xf2\xda\xf1\x8b\x73";
  44     char out[32];
  45     const char *p;
  46
  47     if (gc_sha256 (in, inlen, out) != 0)
  48       {
  49         printf ("gc_sha256 call failed\n");
  50         return 1;
  51       }
  52
  53     if (memcmp (out, expect, 32) != 0)
  54       {
  55         size_t i;
  56         printf ("sha256 test1 mismatch. expected:\n");
  57         for (i = 0; i < 32; i++)
  58           printf ("%02x ", expect[i] & 0xFF);
  59         printf ("\ncomputed:\n");
  60         for (i = 0; i < 32; i++)
  61           printf ("%02x ", out[i] & 0xFF);
  62         printf ("\n");
  63         return 1;
  64       }
  65
  66     rc = gc_hash_buffer (GC_SHA256, "abcdefghijklmnopqrstuvwxyz", 26, out);
  67     if (rc != GC_OK)
  68       {
  69         printf ("gc_hash_buffer(sha256) call failed: %d\n", rc);
  70         return 1;
  71       }
  72
  73     if (memcmp (out, expect, 32) != 0)
  74       {
  75         size_t i;
  76         printf ("sha256 test2 mismatch. expected:\n");
  77         for (i = 0; i < 32; i++)
  78           printf ("%02x ", expect[i] & 0xFF);
  79         printf ("\ncomputed:\n");
  80         for (i = 0; i < 32; i++)
  81           printf ("%02x ", out[i] & 0xFF);
  82         printf ("\n");
  83         return 1;
  84       }
  85
  86     if (gc_hash_digest_length (GC_SHA256) != 32)
  87       {
  88         printf ("gc_hash_digest_length (GC_SHA256) failed\n");
  89         return 1;
  90       }
  91
  92     if ((rc = gc_hash_open (GC_SHA256, 0, &h)) != GC_OK)
  93       {
  94         printf ("gc_hash_open(GC_SHA256) failed (%d)\n", rc);
  95         return 1;
  96       }
  97
  98     gc_hash_write (h, inlen, in);
  99
 100     p = gc_hash_read (h);
 101
 102     if (!p)
 103       {
 104         printf ("gc_hash_read failed\n");
 105         return 1;
 106       }
 107
 108     if (memcmp (p, expect, 32) != 0)
 109       {
 110         size_t i;
 111         printf ("sha256 test3 mismatch. expected:\n");
 112         for (i = 0; i < 32; i++)
 113           printf ("%02x ", expect[i] & 0xFF);
 114         printf ("\ncomputed:\n");
 115         for (i = 0; i < 32; i++)
 116           printf ("%02x ", p[i] & 0xFF);
 117         printf ("\n");
 118         return 1;
 119       }
 120
 121     gc_hash_close (h);
 122   }
 123
 124   gc_done ();
 125
 126   return 0;
 127 }