static CipherState*
initrc4(Conn *c, int dir)
{
CipherState *cs;
cs = emalloc9p(sizeof(CipherState));
if(dir)
setupRC4state(&cs->state, c->s2cek, 16);
else
setupRC4state(&cs->state, c->c2sek, 16);
return cs;
}
static void
rc4espinit(Espcb *ecb, char *name, uchar *k, int n)
{
Esprc4 *esprc4;
// bits to bytes
n = (n+7)>>3;
esprc4 = smalloc(sizeof(Esprc4));
memset(esprc4, 0, sizeof(Esprc4));
setupRC4state(&esprc4->current, k, n);
ecb->espalg = name;
ecb->espblklen = 4;
ecb->espivlen = 4;
ecb->cipher = rc4cipher;
ecb->espstate = esprc4;
}