static void
_rs_stir(void)
{
unsigned char rnd[KEYSZ + IVSZ];
#ifdef WITH_OPENSSL
if (RAND_bytes(rnd, sizeof(rnd)) <= 0)
fatal("Couldn't obtain random bytes (error %ld)",
ERR_get_error());
#else
getrnd(rnd, sizeof(rnd));
#endif
if (!rs_initialized) {
rs_initialized = 1;
_rs_init(rnd, sizeof(rnd));
} else
_rs_rekey(rnd, sizeof(rnd));
explicit_bzero(rnd, sizeof(rnd));
/* invalidate rs_buf */
rs_have = 0;
memset(rs_buf, 0, RSBUFSZ);
rs_count = 1600000;
}
void
init_hash ()
{
int i, n, j;
int p[12];
getrnd ();
for (i = 0; i < 12; i++)
p[i] = i;
for (i = 0; i < 12; i++)
{
n = perm[i] % (12 - i);
perm[i] = p[n];
for (j = 0; j < 11 - n; j++)
p[n + j] = p[n + j + 1];
}
}
