phablet@ubuntu-phablet:~$ sudo apt-get install --download-only gnome-keyring libpam-gnome-keyring libp11-kit-gnome-keyring
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  dbus-x11 gcr p11-kit p11-kit-modules
The following NEW packages will be installed:
  dbus-x11 gcr gnome-keyring libp11-kit-gnome-keyring libpam-gnome-keyring p11-kit p11-kit-modules
0 upgraded, 7 newly installed, 0 to remove and 182 not upgraded.
Need to get 70.7 kB/735 kB of archives.
After this operation, 4,123 kB of additional disk space will be used.
Do you want to continue? [Y/n]