+ fn_d = ENGINE_get_digests(e);
+ if(!fn_d) goto skip_digests;
+ n = fn_d(e, NULL, &nids, 0);
+ for(k=0 ; k < n ; ++k)
+ if(!append_buf(&cap_buf,
+ OBJ_nid2sn(nids[k]),
+ &cap_size, 256))
+ goto end;
+
+skip_digests:
+ fn_pk = ENGINE_get_pkey_meths(e);
+ if(!fn_pk) goto skip_pmeths;
+ n = fn_pk(e, NULL, &nids, 0);
+ for(k=0 ; k < n ; ++k)
+ if(!append_buf(&cap_buf,
+ OBJ_nid2sn(nids[k]),
+ &cap_size, 256))
+ goto end;
+skip_pmeths: