why this happend

[irootx]

hi all
i try to use yum and i fount this message

rpm -ivh Desktop/livna-release-8.rpm
warning: Desktop/livna-release-8.rpm: Header V3 DSA signature: NOKEY, k                                       ey ID a109b1ec
^[[APreparing...                ########################################### [100%]
   1:livna-release          ########################################### [100

and also try to install

kernel-devel-2.6.2 100% |=========================| 4.8 MB    03
warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID 4f2a
Importing GPG key 0x4F2A6FD2 "Fedora Project <fedora@redhat.com>" from
Is this ok [y/N]: y

is there solution for this

[Dangermouse]

Hi yes that is supposed to happen the first time you install a package from repo ,yes it is ok