1
2 #define TEST_NAME "box8"
3 #include "cmptest.h"
4
5 static unsigned char alicesk[crypto_box_SECRETKEYBYTES];
6 static unsigned char alicepk[crypto_box_PUBLICKEYBYTES];
7 static unsigned char bobsk[crypto_box_SECRETKEYBYTES];
8 static unsigned char bobpk[crypto_box_PUBLICKEYBYTES];
9 static unsigned char n[crypto_box_NONCEBYTES];
10
11 int
main(void)12 main(void)
13 {
14 unsigned char *m;
15 unsigned char *c;
16 unsigned char *m2;
17 size_t mlen;
18 size_t mlen_max = 1000;
19 size_t i;
20 int faults;
21 int ret;
22
23 m = (unsigned char *) sodium_malloc(mlen_max);
24 c = (unsigned char *) sodium_malloc(mlen_max);
25 m2 = (unsigned char *) sodium_malloc(mlen_max);
26 crypto_box_keypair(alicepk, alicesk);
27 crypto_box_keypair(bobpk, bobsk);
28 for (mlen = 0; mlen + crypto_box_ZEROBYTES <= mlen_max; mlen++) {
29 randombytes_buf(n, crypto_box_NONCEBYTES);
30 randombytes_buf(m + crypto_box_ZEROBYTES, mlen);
31 ret = crypto_box(c, m, mlen + crypto_box_ZEROBYTES, n, bobpk, alicesk);
32 assert(ret == 0);
33 #ifdef BROWSER_TESTS
34 faults = 1;
35 #else
36 faults = 5;
37 #endif
38 while (faults > 0) {
39 c[rand() % (mlen + crypto_box_ZEROBYTES)] = rand();
40 if (crypto_box_open(m2, c, mlen + crypto_box_ZEROBYTES, n, alicepk,
41 bobsk) == 0) {
42 for (i = 0; i < mlen + crypto_box_ZEROBYTES; ++i) {
43 if (m2[i] != m[i]) {
44 printf("forgery\n");
45 return 100;
46 }
47 }
48 } else {
49 faults--;
50 }
51 }
52 }
53 sodium_free(m);
54 sodium_free(c);
55 sodium_free(m2);
56
57 return 0;
58 }
59