static RSA *
generate_key(int bits)
{
RSA *rsa = NULL;
crypto_pk_t *env = crypto_pk_new();
if (crypto_pk_generate_key_with_bits(env,bits)<0)
goto done;
rsa = _crypto_pk_get_rsa(env);
rsa = RSAPrivateKey_dup(rsa);
done:
crypto_pk_free(env);
return rsa;
}
static void *
new_state(void *arg)
{
state_t *st;
(void)arg;
st = tor_malloc(sizeof(*st));
/* Every thread gets its own keys. not a problem for benchmarking */
st->rsa = crypto_pk_new();
if (crypto_pk_generate_key_with_bits(st->rsa, 1024) < 0) {
crypto_pk_free(st->rsa);
tor_free(st);
return NULL;
}
curve25519_secret_key_generate(&st->ecdh, 0);
st->magic = 13371337;
return st;
}
static void
bench_onion_TAP(void)
{
const int iters = 1<<9;
int i;
crypto_pk_t *key, *key2;
uint64_t start, end;
char os[TAP_ONIONSKIN_CHALLENGE_LEN];
char or[TAP_ONIONSKIN_REPLY_LEN];
crypto_dh_t *dh_out;
key = crypto_pk_new();
key2 = crypto_pk_new();
if (crypto_pk_generate_key_with_bits(key, 1024) < 0)
goto done;
if (crypto_pk_generate_key_with_bits(key2, 1024) < 0)
goto done;
reset_perftime();
start = perftime();
for (i = 0; i < iters; ++i) {
onion_skin_TAP_create(key, &dh_out, os);
crypto_dh_free(dh_out);
}
end = perftime();
printf("Client-side, part 1: %f usec.\n", NANOCOUNT(start, end, iters)/1e3);
onion_skin_TAP_create(key, &dh_out, os);
start = perftime();
for (i = 0; i < iters; ++i) {
char key_out[CPATH_KEY_MATERIAL_LEN];
onion_skin_TAP_server_handshake(os, key, NULL, or,
key_out, sizeof(key_out));
}
end = perftime();
printf("Server-side, key guessed right: %f usec\n",
NANOCOUNT(start, end, iters)/1e3);
start = perftime();
for (i = 0; i < iters; ++i) {
char key_out[CPATH_KEY_MATERIAL_LEN];
onion_skin_TAP_server_handshake(os, key2, key, or,
key_out, sizeof(key_out));
}
end = perftime();
printf("Server-side, key guessed wrong: %f usec.\n",
NANOCOUNT(start, end, iters)/1e3);
start = perftime();
for (i = 0; i < iters; ++i) {
crypto_dh_t *dh;
char key_out[CPATH_KEY_MATERIAL_LEN];
int s;
dh = crypto_dh_dup(dh_out);
s = onion_skin_TAP_client_handshake(dh, or, key_out, sizeof(key_out),
NULL);
crypto_dh_free(dh);
tor_assert(s == 0);
}
end = perftime();
printf("Client-side, part 2: %f usec.\n",
NANOCOUNT(start, end, iters)/1e3);
done:
crypto_pk_free(key);
crypto_pk_free(key2);
}
