oakley_prf
res = oakley_prf(hashkey, buf, iph1);
res = oakley_prf(hash, buf, iph1);
iph1->skeyid = oakley_prf(iph1->authstr, buf, iph1);
iph1->skeyid = oakley_prf(buf, iph1->dhgxy, iph1);
iph1->skeyid_d = oakley_prf(iph1->skeyid, buf, iph1);
iph1->skeyid_a = oakley_prf(iph1->skeyid, buf, iph1);
iph1->skeyid_e = oakley_prf(iph1->skeyid, buf, iph1);
res = oakley_prf(iph1->skeyid_e, buf, iph1);
res = oakley_prf(iph2->ph1->skeyid_d, buf, iph2->ph1);
this = oakley_prf(iph2->ph1->skeyid_d, seed,
res = oakley_prf(iph1->skeyid_a, buf, iph1);
res = oakley_prf(iph1->skeyid_a, buf, iph1);
res = oakley_prf(iph1->skeyid_a, buf, iph1);
res = oakley_prf(iph1->skeyid, buf, iph1);
extern vchar_t *oakley_prf(vchar_t *, vchar_t *, struct ph1handle *);