These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.08 s (backtrack: 0/20).

[ebuild  N     ] app-admin/tripwire-2.4.3.7::gentoo  USE="ssl tools (-selinux) -static" 979 KiB
[ebuild  N     ] app-admin/mktwpol-1.0.1-r1::gentoo  60 KiB

Total: 2 packages (2 new), Size of downloads: 1038 KiB