не ставится rpm пакет

В чем может быть проблема, и что за предупреждение о ключе? Система: Fedora 6

D: ============== xsp-1.1.18-1.fc6.src.rpm

D: Expected size: 235531 = lead(96)+sigs(344)+pad(0)+data(235091)

D: Actual size: 235531

D: opening db environment /var/lib/rpm/Packages joinenv

D: opening db index /var/lib/rpm/Packages rdonly mode=0x0

D: locked db index /var/lib/rpm/Packages

D: opening db index /var/lib/rpm/Pubkeys rdonly mode=0x0

warning: xsp-1.1.18-1.fc6.src.rpm: Header V3 DSA signature: NOKEY, key ID 1ac70ce6

D: added source package [0]

D: found 1 source and 0 binary packages

D: Expected size: 235531 = lead(96)+sigs(344)+pad(0)+data(235091)

D: Actual size: 235531

D: InstallSourcePackage: Header V3 DSA signature: NOKEY, key ID 1ac70ce6 1:xsp D: ========== Directories not explicitly included in package:

D: 0 /usr/src/redhat/SOURCES/

D: 1 /usr/src/redhat/SPECS/

D: ==========

D: fini 100664 1 ( 502, 502) 230381 /usr/src/redhat/SOURCES/xsp-1.1.18.tar.gz;48c8f162

D: fini 100664 1 ( 502, 502) 3515 /usr/src/redhat/SOURCES/xsp.patch;48c8f162 ########################################### [100%]

D: fini 100664 1 ( 502, 502) 3071 /usr/src/redhat/SPECS/xsp.spec;48c8f162

GZDIO: 29 reads, 237464 total bytes in 0.001683 secs

D: closed db index /var/lib/rpm/Pubkeys

D: closed db index /var/lib/rpm/Packages

D: closed db environment /var/lib/rpm/Packages

D: May free Score board((nil))