1
2 #define TEST_NAME "secretbox8"
3 #include "cmptest.h"
4
5 static unsigned char k[crypto_secretbox_KEYBYTES];
6 static unsigned char n[crypto_secretbox_NONCEBYTES];
7 static unsigned char m[10000];
8 static unsigned char c[10000];
9 static unsigned char m2[10000];
10
11 int
main(void)12 main(void)
13 {
14 size_t mlen;
15 size_t i;
16 int caught;
17
18 for (mlen = 0; mlen < 1000 && mlen + crypto_secretbox_ZEROBYTES < sizeof m;
19 ++mlen) {
20 crypto_secretbox_keygen(k);
21 randombytes_buf(n, crypto_secretbox_NONCEBYTES);
22 randombytes_buf(m + crypto_secretbox_ZEROBYTES, mlen);
23 crypto_secretbox(c, m, mlen + crypto_secretbox_ZEROBYTES, n, k);
24 caught = 0;
25 while (caught < 10) {
26 c[rand() % (mlen + crypto_secretbox_ZEROBYTES)] = rand();
27 if (crypto_secretbox_open(m2, c, mlen + crypto_secretbox_ZEROBYTES,
28 n, k) == 0) {
29 for (i = 0; i < mlen + crypto_secretbox_ZEROBYTES; ++i) {
30 if (m2[i] != m[i]) {
31 printf("forgery\n");
32 return 100;
33 }
34 }
35 } else {
36 ++caught;
37 }
38 }
39 }
40 return 0;
41 }
42