app-crypt/gnupg smartcard
app-crypt/johntheripper mmx mpi sse2 custom-cflags
app-crypt/johntheripper-jumbo mmx mpi sse2 custom-cflags
app-crypt/ophcrack -tables

#Make keyring optional by hacking gnome-base/libgnomeui and =gnome-base/gnome-keyring-3.18.3-r2
#For more details, see bugs #570512 and #768754
#app-crypt/pinentry gnome-keyring