This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-ejabberd-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 21:01:59 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 954e9db8eeccc015a8d737ef09a0d1623a882419 * md5sum d98215caa2e40879b64ff25ac2ef4e62 You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrlW+AAoJEIXCXpWhbrlNHT8IAMuu0fWf+Zdjp6eg6ASbp04C 3bbikmswTeKuXNBasSZRMFbFEmiQoIrw9fhgoDeNhHZb+Im2pJdhBMjGJX2K//y4 nGpiv6mJWiurGw18ke+5ddkQHx+8BFE4LpqoKsnBZDAzwuJEReVbV3KfdETbJsRZ f51ki6vIgwyJgMKGPl8hSEAbwnFHVzBp+UALkrXtmFJl3XU4V0WOFSBydcjDfhSu CrNCt+AFWiCDpYPoHenPfBs095zKXmtWaUHoyW90P2VHoh4cDxU8LZZySxaVQLAg Bp0NCRXQgFiBv1O95CMx8bWzagYacStNT4Ina7NVXPcfQCsDt4Wejl5dHMtSCis= =3Try -----END PGP SIGNATURE-----