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      1 
      2 #define TEST_NAME "generichash2"
      3 #include "cmptest.h"
      4 
      5 int
      6 main(void)
      7 {
      8 #define MAXLEN 64
      9     crypto_generichash_state st;
     10     unsigned char in[MAXLEN], out[crypto_generichash_BYTES_MAX],
     11         k[crypto_generichash_KEYBYTES_MAX];
     12     size_t h, i, j;
     13 
     14     assert(crypto_generichash_statebytes() >= sizeof st);
     15     for (h = 0; h < crypto_generichash_KEYBYTES_MAX; ++h)
     16         k[h] = (unsigned char) h;
     17 
     18     for (i = 0; i < MAXLEN; ++i) {
     19         in[i] = (unsigned char) i;
     20         if (crypto_generichash_init(&st, k,
     21                                     1 + i % crypto_generichash_KEYBYTES_MAX,
     22                                     1 + i % crypto_generichash_BYTES_MAX) != 0) {
     23             printf("crypto_generichash_init()\n");
     24             return 1;
     25         }
     26         crypto_generichash_update(&st, in, i);
     27         crypto_generichash_update(&st, in, i);
     28         crypto_generichash_update(&st, in, i);
     29         if (crypto_generichash_final(&st, out,
     30                                      1 + i % crypto_generichash_BYTES_MAX) != 0) {
     31             printf("crypto_generichash_final() should have returned 0\n");
     32         }
     33         for (j = 0; j < 1 + i % crypto_generichash_BYTES_MAX; ++j) {
     34             printf("%02x", (unsigned int)out[j]);
     35         }
     36         printf("\n");
     37         if (crypto_generichash_final(&st, out,
     38                                      1 + i % crypto_generichash_BYTES_MAX) != -1) {
     39             printf("crypto_generichash_final() should have returned -1\n");
     40         }
     41     }
     42 
     43     assert(crypto_generichash_init(&st, k, sizeof k, 0U) == -1);
     44     assert(crypto_generichash_init(&st, k, sizeof k,
     45                                    crypto_generichash_BYTES_MAX + 1U) == -1);
     46     assert(crypto_generichash_init(&st, k, crypto_generichash_KEYBYTES_MAX + 1U,
     47                                    sizeof out) == -1);
     48     assert(crypto_generichash_init(&st, k, 0U, sizeof out) == 0);
     49     assert(crypto_generichash_init(&st, k, 1U, sizeof out) == 0);
     50     assert(crypto_generichash_init(&st, NULL, 1U, 0U) == -1);
     51     assert(crypto_generichash_init(&st, NULL, crypto_generichash_KEYBYTES,
     52                                    1U) == 0);
     53     assert(crypto_generichash_init(&st, NULL, crypto_generichash_KEYBYTES,
     54                                    0U) == -1);
     55     return 0;
     56 }
     57