crypt/sha256test.c

   1 #include <string.h>
   2 #include "sha256.h"
   3
   4 static const struct
   5 {
   6   const char *input;
   7   const char result[32];
   8 } tests[] =
   9   {
  10     /* Test vectors from FIPS 180-2: appendix B.1.  */
  11     { "abc",
  12       "\xba\x78\x16\xbf\x8f\x01\xcf\xea\x41\x41\x40\xde\x5d\xae\x22\x23"
  13       "\xb0\x03\x61\xa3\x96\x17\x7a\x9c\xb4\x10\xff\x61\xf2\x00\x15\xad" },
  14     /* Test vectors from FIPS 180-2: appendix B.2.  */
  15     { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
  16       "\x24\x8d\x6a\x61\xd2\x06\x38\xb8\xe5\xc0\x26\x93\x0c\x3e\x60\x39"
  17       "\xa3\x3c\xe4\x59\x64\xff\x21\x67\xf6\xec\xed\xd4\x19\xdb\x06\xc1" },
  18     /* Test vectors from the NESSIE project.  */
  19     { "",
  20       "\xe3\xb0\xc4\x42\x98\xfc\x1c\x14\x9a\xfb\xf4\xc8\x99\x6f\xb9\x24"
  21       "\x27\xae\x41\xe4\x64\x9b\x93\x4c\xa4\x95\x99\x1b\x78\x52\xb8\x55" },
  22     { "a",
  23       "\xca\x97\x81\x12\xca\x1b\xbd\xca\xfa\xc2\x31\xb3\x9a\x23\xdc\x4d"
  24       "\xa7\x86\xef\xf8\x14\x7c\x4e\x72\xb9\x80\x77\x85\xaf\xee\x48\xbb" },
  25     { "message digest",
  26       "\xf7\x84\x6f\x55\xcf\x23\xe1\x4e\xeb\xea\xb5\xb4\xe1\x55\x0c\xad"
  27       "\x5b\x50\x9e\x33\x48\xfb\xc4\xef\xa3\xa1\x41\x3d\x39\x3c\xb6\x50" },
  28     { "abcdefghijklmnopqrstuvwxyz",
  29       "\x71\xc4\x80\xdf\x93\xd6\xae\x2f\x1e\xfa\xd1\x44\x7c\x66\xc9\x52"
  30       "\x5e\x31\x62\x18\xcf\x51\xfc\x8d\x9e\xd8\x32\xf2\xda\xf1\x8b\x73" },
  31     { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
  32       "\x24\x8d\x6a\x61\xd2\x06\x38\xb8\xe5\xc0\x26\x93\x0c\x3e\x60\x39"
  33       "\xa3\x3c\xe4\x59\x64\xff\x21\x67\xf6\xec\xed\xd4\x19\xdb\x06\xc1" },
  34     { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
  35       "\xdb\x4b\xfc\xbd\x4d\xa0\xcd\x85\xa6\x0c\x3c\x37\xd3\xfb\xd8\x80"
  36       "\x5c\x77\xf1\x5f\xc6\xb1\xfd\xfe\x61\x4e\xe0\xa7\xc8\xfd\xb4\xc0" },
  37     { "123456789012345678901234567890123456789012345678901234567890"
  38       "12345678901234567890",
  39       "\xf3\x71\xbc\x4a\x31\x1f\x2b\x00\x9e\xef\x95\x2d\xd8\x3c\xa8\x0e"
  40       "\x2b\x60\x02\x6c\x8e\x93\x55\x92\xd0\xf9\xc3\x08\x45\x3c\x81\x3e" }
  41   };
  42
  43
  44 int
  45 main (void)
  46 {
  47   struct sha256_ctx ctx;
  48   char sum[32];
  49   int result = 0;
  50   int cnt;
  51
  52   for (cnt = 0; cnt < (int) (sizeof (tests) / sizeof (tests[0])); ++cnt)
  53     {
  54       __sha256_init_ctx (&ctx);
  55       __sha256_process_bytes (tests[cnt].input, strlen (tests[cnt].input),
  56                               &ctx);
  57       __sha256_finish_ctx (&ctx, sum);
  58       if (memcmp (tests[cnt].result, sum, 32) != 0)
  59         {
  60           printf ("test %d run %d failed\n", cnt, 1);
  61           result = 1;
  62         }
  63
  64       __sha256_init_ctx (&ctx);
  65       for (int i = 0; tests[cnt].input[i] != '\0'; ++i)
  66         __sha256_process_bytes (&tests[cnt].input[i], 1, &ctx);
  67       __sha256_finish_ctx (&ctx, sum);
  68       if (memcmp (tests[cnt].result, sum, 32) != 0)
  69         {
  70           printf ("test %d run %d failed\n", cnt, 2);
  71           result = 1;
  72         }
  73     }
  74
  75   /* Test vector from FIPS 180-2: appendix B.3.  */
  76   char buf[1000];
  77   memset (buf, 'a', sizeof (buf));
  78   __sha256_init_ctx (&ctx);
  79   for (int i = 0; i < 1000; ++i)
  80     __sha256_process_bytes (buf, sizeof (buf), &ctx);
  81   __sha256_finish_ctx (&ctx, sum);
  82   static const char expected[32] =
  83     "\xcd\xc7\x6e\x5c\x99\x14\xfb\x92\x81\xa1\xc7\xe2\x84\xd7\x3e\x67"
  84     "\xf1\x80\x9a\x48\xa4\x97\x20\x0e\x04\x6d\x39\xcc\xc7\x11\x2c\xd0";
  85   if (memcmp (expected, sum, 32) != 0)
  86     {
  87       printf ("test %d failed\n", cnt++);
  88       result = 1;
  89     }
  90
  91   __sha256_init_ctx (&ctx);
  92   for (int i = 0; i < 100000; ++i)
  93     __sha256_process_bytes (buf, 10, &ctx);
  94   __sha256_finish_ctx (&ctx, sum);
  95   if (memcmp (expected, sum, 32) != 0)
  96     {
  97       printf ("test %d failed\n", cnt++);
  98       result = 1;
  99     }
 100
 101   return result;
 102 }