oakley_do_encrypt
tmp = oakley_do_encrypt(iph2->ph1, iph2->sendbuf,
new = oakley_do_encrypt(iph1, buf, iph1->ivm->ive, iph1->ivm->iv);
tmp = oakley_do_encrypt(iph2->ph1, iph2->sendbuf, iph2->ivm->ive,
iph2->sendbuf = oakley_do_encrypt(iph2->ph1, buf, iph2->ivm->ive, iph2->ivm->iv);
new = oakley_do_encrypt(iph2->ph1, buf, iph2->ivm->ive, iph2->ivm->iv);
iph2->sendbuf = oakley_do_encrypt(iph2->ph1, buf, iph2->ivm->ive, iph2->ivm->iv);
extern vchar_t *oakley_do_encrypt(struct ph1handle *,