#define TEST_NAME "box_seal" #include "cmptest.h" int main(void) { unsigned char pk[crypto_box_PUBLICKEYBYTES]; unsigned char sk[crypto_box_SECRETKEYBYTES]; unsigned char *c; unsigned char *m; unsigned char *m2; size_t m_len; size_t c_len; crypto_box_keypair(pk, sk); m_len = (size_t) randombytes_uniform(1000); c_len = crypto_box_SEALBYTES + m_len; m = (unsigned char *) sodium_malloc(m_len); m2 = (unsigned char *) sodium_malloc(m_len); c = (unsigned char *) sodium_malloc(c_len); randombytes_buf(m, m_len); if (crypto_box_seal(c, m, m_len, pk) != 0) { printf("crypto_box_seal() failure\n"); return 1; } if (crypto_box_seal_open(m2, c, c_len, pk, sk) != 0) { printf("crypto_box_seal_open() failure\n"); return 1; } printf("%d\n", memcmp(m, m2, m_len)); printf("%d\n", crypto_box_seal_open(m, c, 0U, pk, sk)); printf("%d\n", crypto_box_seal_open(m, c, c_len - 1U, pk, sk)); printf("%d\n", crypto_box_seal_open(m, c, c_len, sk, pk)); sodium_free(c); sodium_free(m); sodium_free(m2); assert(crypto_box_sealbytes() == crypto_box_SEALBYTES); return 0; }