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      1 
      2 #define TEST_NAME "box_seal"
      3 #include "cmptest.h"
      4 
      5 int
      6 main(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