1
2#define TEST_NAME "secretbox7"
3#include "cmptest.h"
4
5static unsigned char k[crypto_secretbox_KEYBYTES];
6static unsigned char n[crypto_secretbox_NONCEBYTES];
7static unsigned char m[10000];
8static unsigned char c[10000];
9static unsigned char m2[10000];
10
11int
12main(void)
13{
14    size_t mlen;
15    size_t i;
16
17    for (mlen = 0; mlen < 1000 && mlen + crypto_secretbox_ZEROBYTES < sizeof m;
18         ++mlen) {
19        crypto_secretbox_keygen(k);
20        randombytes_buf(n, crypto_secretbox_NONCEBYTES);
21        randombytes_buf(m + crypto_secretbox_ZEROBYTES, mlen);
22        crypto_secretbox(c, m, mlen + crypto_secretbox_ZEROBYTES, n, k);
23        if (crypto_secretbox_open(m2, c, mlen + crypto_secretbox_ZEROBYTES, n,
24                                  k) == 0) {
25            for (i = 0; i < mlen + crypto_secretbox_ZEROBYTES; ++i) {
26                if (m2[i] != m[i]) {
27                    printf("bad decryption\n");
28                    break;
29                }
30            }
31        } else {
32            printf("ciphertext fails verification\n");
33        }
34    }
35    return 0;
36}
37