1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
#define TEST_NAME "box7"
#include "cmptest.h"
static unsigned char alicesk[crypto_box_SECRETKEYBYTES];
static unsigned char alicepk[crypto_box_PUBLICKEYBYTES];
static unsigned char bobsk[crypto_box_SECRETKEYBYTES];
static unsigned char bobpk[crypto_box_PUBLICKEYBYTES];
static unsigned char n[crypto_box_NONCEBYTES];
int
main(void)
{
unsigned char *m;
unsigned char *c;
unsigned char *m2;
size_t mlen;
size_t mlen_max = 1000;
size_t i;
int ret;
m = (unsigned char *) sodium_malloc(mlen_max);
c = (unsigned char *) sodium_malloc(mlen_max);
m2 = (unsigned char *) sodium_malloc(mlen_max);
memset(m, 0, crypto_box_ZEROBYTES);
crypto_box_keypair(alicepk, alicesk);
crypto_box_keypair(bobpk, bobsk);
for (mlen = 0; mlen + crypto_box_ZEROBYTES <= mlen_max; mlen++) {
randombytes_buf(n, crypto_box_NONCEBYTES);
randombytes_buf(m + crypto_box_ZEROBYTES, mlen);
ret = crypto_box(c, m, mlen + crypto_box_ZEROBYTES, n, bobpk, alicesk);
assert(ret == 0);
if (crypto_box_open(m2, c, mlen + crypto_box_ZEROBYTES, n, alicepk,
bobsk) == 0) {
for (i = 0; i < mlen + crypto_box_ZEROBYTES; ++i) {
if (m2[i] != m[i]) {
printf("bad decryption\n");
break;
}
}
} else {
printf("ciphertext fails verification\n");
}
}
sodium_free(m);
sodium_free(c);
sodium_free(m2);
return 0;
}
|
