key_encryptsession_pk
extern int key_encryptsession_pk(const char *, netobj *, des_block *);
if (key_encryptsession_pk(remotename, &npk, &deskeys[i]))
if (key_encryptsession_pk(ad->ad_servername, &pkey, &ad->ad_xkey) < 0) {
extern int key_encryptsession_pk(const char *, netobj *, des_block *);
if (key_encryptsession_pk(remotename, &npk, &deskey[i]))