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

Calculating dependencies ... done!
Dependency resolution took 1.05 s (backtrack: 0/20).

[ebuild  N     ] app-crypt/ophcrack-tables-1.0-r2::gentoo  USE="vistafree xpfast -xpsmall" 1086437 KiB
[ebuild  N     ] net-libs/libnet-1.3-r1:1.1::gentoo  USE="-man -static-libs -test" 603 KiB
[ebuild  N     ] net-libs/netwib-5.39.0-r1::gentoo  USE="-doc" 627 KiB
[ebuild  N     ] app-crypt/ophcrack-3.8.0-r2::gentoo  USE="tables" 287 KiB

Total: 4 packages (4 new), Size of downloads: 1087953 KiB