git.ozlabs.org Git - ccan/blob - ccan/crypto/sha256/test/run-test-vectors.c

   1 #include <ccan/crypto/sha256/sha256.h>
   2 #include <ccan/str/hex/hex.h>
   3 /* Include the C files directly. */
   4 #include <ccan/crypto/sha256/sha256.c>
   5 #include <ccan/tap/tap.h>
   6
   7 /* Test vectors. */
   8 struct test {
   9         const char *test;
  10         size_t repetitions;
  11         const char *result;
  12 };
  13
  14 static struct test tests[] = {
  15         { "", 1,
  16           "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855" },
  17         { "abc", 1,
  18           "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad" },
  19         { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 1,
  20           "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1" },
  21         { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", 1,
  22           "cf5b16a778af8380036ce59e7b0492370b249b11e8f07a51afac45037afee9d1" },
  23         { "a", 1000000,
  24           "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0" }
  25 #if 0 /* Good test, but takes ages! */
  26         , { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmno",
  27             16777216,
  28             "50e72a0e26442fe2552dc3938ac58658228c0cbfb1d2ca872ae435266fcd055e" },
  29 #endif
  30 };
  31
  32 static bool do_test(const struct test *t)
  33 {
  34         struct sha256 h, expected;
  35
  36         if (t->repetitions == 1)
  37                 sha256(&h, t->test, strlen(t->test));
  38         else {
  39                 struct sha256_ctx ctx = SHA256_INIT;
  40                 size_t i;
  41
  42                 for (i = 0; i < t->repetitions; i++)
  43                         sha256_update(&ctx, t->test, strlen(t->test));
  44                 sha256_done(&ctx, &h);
  45         }
  46
  47         hex_decode(t->result, strlen(t->result), &expected, sizeof(expected));
  48         return memcmp(&h, &expected, sizeof(h)) == 0;
  49 }
  50
  51 int main(void)
  52 {
  53         const size_t num_tests = sizeof(tests) / sizeof(tests[0]);
  54         size_t i;
  55
  56         /* This is how many tests you plan to run */
  57         plan_tests(num_tests);
  58
  59         for (i = 0; i < num_tests; i++)
  60                 ok1(do_test(&tests[i]));
  61
  62         /* This exits depending on whether all tests passed */
  63         return exit_status();
  64 }