[root@localhost brandal]# apt-get install synaptic
Reading Package Lists... Done
Building Dependency Tree... Done
The following NEW packages will be installed:
synaptic (0.53.3-0.fdr.0.2)
0 upgraded, 1 newly installed, 0 removed and 59 not upgraded.
Need to get 1401kB of archives.
After unpacking 3302kB of additional disk space will be used.
Get:1 http://kde-redhat.atrpms.net 2/stable synaptic 0:0.53.3-0.fdr.0.2 [1401kB]
Fetched 1401kB in 19s (71.7kB/s)
Checking GPG signatures...
Unknown signature /var/cache/apt/archives/synaptic_0%3a0.53.3-0.fdr.0.2_i386.rpm: (                         SHA1) DSA sha1 md5 (GPG) NOT OK (MISSING KEYS: GPG#ff6382fa)
E: Error(s) while checking package signatures:
0 unsigned package(s)
1 package(s) with unknown signatures
0 package(s) with illegal/corrupted signatures
[root@localhost brandal]#
