krb5_c_random_to_key
ret = krb5_c_random_to_key(NULL, inkey->keyblock.enctype, &rawkey, outkey);
check(krb5_c_random_to_key(NULL, etype, &rndin, kb_out));
retval = krb5_c_random_to_key(context, etype, &random_data, key_block);
ret = krb5_c_random_to_key(context, enctype, &random_data, key_block);
ret = krb5_c_random_to_key(context, ikey->enctype, &d, hkey);