1
2#define TEST_NAME "secretbox_easy2"
3#include "cmptest.h"
4
5int
6main(void)
7{
8    unsigned char *m;
9    unsigned char *m2;
10    unsigned char *c;
11    unsigned char *nonce;
12    unsigned char *k;
13    unsigned char *mac;
14    size_t         mlen;
15    size_t         i;
16
17    mlen  = (size_t) randombytes_uniform((uint32_t) 10000) + 1U;
18    m     = (unsigned char *) sodium_malloc(mlen);
19    m2    = (unsigned char *) sodium_malloc(mlen);
20    c     = (unsigned char *) sodium_malloc(crypto_secretbox_MACBYTES + mlen);
21    nonce = (unsigned char *) sodium_malloc(crypto_secretbox_NONCEBYTES);
22    k     = (unsigned char *) sodium_malloc(crypto_secretbox_KEYBYTES);
23    mac   = (unsigned char *) sodium_malloc(crypto_secretbox_MACBYTES);
24    crypto_secretbox_keygen(k);
25    randombytes_buf(m, mlen);
26    randombytes_buf(nonce, crypto_secretbox_NONCEBYTES);
27    crypto_secretbox_easy(c, m, (unsigned long long) mlen, nonce, k);
28    if (crypto_secretbox_open_easy(
29            m2, c, (unsigned long long) mlen + crypto_secretbox_MACBYTES, nonce,
30            k) != 0) {
31        printf("crypto_secretbox_open_easy() failed\n");
32    }
33    printf("%d\n", memcmp(m, m2, mlen));
34
35    for (i = 0; i < mlen + crypto_secretbox_MACBYTES - 1; i++) {
36        if (crypto_secretbox_open_easy(m2, c, (unsigned long long) i, nonce,
37                                       k) == 0) {
38            printf("short open() should have failed\n");
39            return 1;
40        }
41    }
42    crypto_secretbox_detached(c, mac, m, (unsigned long long) mlen, nonce, k);
43    if (crypto_secretbox_open_detached(NULL, c, mac, (unsigned long long) mlen,
44                                       nonce, k) != 0) {
45        printf("crypto_secretbox_open_detached() with a NULL message pointer failed\n");
46    }
47    if (crypto_secretbox_open_detached(m2, c, mac, (unsigned long long) mlen,
48                                       nonce, k) != 0) {
49        printf("crypto_secretbox_open_detached() failed\n");
50    }
51    printf("%d\n", memcmp(m, m2, mlen));
52
53    memcpy(c, m, mlen);
54    crypto_secretbox_easy(c, c, (unsigned long long) mlen, nonce, k);
55    printf("%d\n", memcmp(m, c, mlen) == 0);
56    printf("%d\n", memcmp(m, c + crypto_secretbox_MACBYTES, mlen) == 0);
57    if (crypto_secretbox_open_easy(
58            c, c, (unsigned long long) mlen + crypto_secretbox_MACBYTES, nonce,
59            k) != 0) {
60        printf("crypto_secretbox_open_easy() failed\n");
61    }
62    printf("%d\n", memcmp(m, c, mlen));
63
64    sodium_free(m);
65    sodium_free(m2);
66    sodium_free(c);
67    sodium_free(nonce);
68    sodium_free(k);
69    sodium_free(mac);
70
71    return 0;
72}
73