1
2#define TEST_NAME "generichash2"
3#include "cmptest.h"
4
5int
6main(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