1
2#define TEST_NAME "box_seal"
3#include "cmptest.h"
4
5int
6main(void)
7{
8    unsigned char  pk[crypto_box_PUBLICKEYBYTES];
9    unsigned char  sk[crypto_box_SECRETKEYBYTES];
10    unsigned char *c;
11    unsigned char *m;
12    unsigned char *m2;
13    size_t         m_len;
14    size_t         c_len;
15
16    crypto_box_keypair(pk, sk);
17    m_len = (size_t) randombytes_uniform(1000);
18    c_len = crypto_box_SEALBYTES + m_len;
19    m     = (unsigned char *) sodium_malloc(m_len);
20    m2    = (unsigned char *) sodium_malloc(m_len);
21    c     = (unsigned char *) sodium_malloc(c_len);
22    randombytes_buf(m, m_len);
23    if (crypto_box_seal(c, m, m_len, pk) != 0) {
24        printf("crypto_box_seal() failure\n");
25        return 1;
26    }
27    if (crypto_box_seal_open(m2, c, c_len, pk, sk) != 0) {
28        printf("crypto_box_seal_open() failure\n");
29        return 1;
30    }
31    printf("%d\n", memcmp(m, m2, m_len));
32
33    printf("%d\n", crypto_box_seal_open(m, c, 0U, pk, sk));
34    printf("%d\n", crypto_box_seal_open(m, c, c_len - 1U, pk, sk));
35    printf("%d\n", crypto_box_seal_open(m, c, c_len, sk, pk));
36
37    sodium_free(c);
38    sodium_free(m);
39    sodium_free(m2);
40
41    assert(crypto_box_sealbytes() == crypto_box_SEALBYTES);
42
43    return 0;
44}
45