int
main(void)
{
sodium_set_misuse_handler(NULL);
sodium_set_misuse_handler(misuse_handler);
sodium_set_misuse_handler(NULL);
assert(sodium_init() == 1);
(void) sodium_runtime_has_neon();
(void) sodium_runtime_has_sse2();
(void) sodium_runtime_has_sse3();
(void) sodium_runtime_has_ssse3();
(void) sodium_runtime_has_sse41();
(void) sodium_runtime_has_pclmul();
(void) sodium_runtime_has_aesni();
sodium_set_misuse_handler(misuse_handler);
#ifndef __EMSCRIPTEN__
sodium_misuse();
printf("Misuse handler returned\n");
#else
printf("misuse_handler()\n");
#endif
return 0;
}
int
crypto_kx_server_session_keys(unsigned char rx[crypto_kx_SESSIONKEYBYTES],
unsigned char tx[crypto_kx_SESSIONKEYBYTES],
const unsigned char server_pk[crypto_kx_PUBLICKEYBYTES],
const unsigned char server_sk[crypto_kx_SECRETKEYBYTES],
const unsigned char client_pk[crypto_kx_PUBLICKEYBYTES])
{
crypto_generichash_state h;
unsigned char q[crypto_scalarmult_BYTES];
unsigned char keys[2 * crypto_kx_SESSIONKEYBYTES];
int i;
if (rx == NULL) {
rx = tx;
}
if (tx == NULL) {
tx = rx;
}
if (rx == NULL) {
sodium_misuse(); /* LCOV_EXCL_LINE */
}
if (crypto_scalarmult(q, server_sk, client_pk) != 0) {
return -1;
}
COMPILER_ASSERT(sizeof keys <= crypto_generichash_BYTES_MAX);
crypto_generichash_init(&h, NULL, 0U, sizeof keys);
crypto_generichash_update(&h, q, crypto_scalarmult_BYTES);
sodium_memzero(q, sizeof q);
crypto_generichash_update(&h, client_pk, crypto_kx_PUBLICKEYBYTES);
crypto_generichash_update(&h, server_pk, crypto_kx_PUBLICKEYBYTES);
crypto_generichash_final(&h, keys, sizeof keys);
sodium_memzero(&h, sizeof h);
for (i = 0; i < crypto_kx_SESSIONKEYBYTES; i++) {
tx[i] = keys[i];
rx[i] = keys[i + crypto_kx_SESSIONKEYBYTES];
}
sodium_memzero(keys, sizeof keys);
return 0;
}
