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-tendenci-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 19:22:30 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 30bf8ad3d5691b84666046354d9acd1fca964aa9 * md5sum 981e49329ba2972d1c0f33ee9f6095b1 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXZXpAAoJEIXCXpWhbrlNOrAIAMGskOslBWqeE6oeiO7UOyzn 3KEaXaNpguDALF7IOnMfCN0+7SM33FgYAzbcUcbTsj/csxRBldDbmE5GCMxm7Ff3 bTxLtfi0d8rQ97lxMJrtW5CKO+MrD21RhQw5xmb4HR892xgExlO1itlBHyQSqRjp Roto85Q8YaSeNiaCo1fNDOKDIgwupHsdZwEORfJNeVPMlDRTPY70lzultuVjXE1S PSrTVxshunmp0k5ucx4LO+7GWz+daKOunW8P6rlN514bxf4JH6cnFULtTucNt2W/ YvYw/f3wZbbFocNpoHpsLGvQv9d6XcljI6S443VTysEgjLSM2E+YcGmngZDEPxw= =IBiN -----END PGP SIGNATURE-----