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-mediawiki-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 22:07:12 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 9d2d81bc4747a05a4b098b74d31e8e47a0fb9ad7 * md5sum 4aa425e7a3337c1240707870b774ca70 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) iQEcBAABAgAGBQJRrmUDAAoJEIXCXpWhbrlNj+4IAJawjxyaUVyo39KIHQMJ7ayd DRImBMDzEOvh1RF3kSm5s0h4D9Z2Kr+SfGmGlsnHnjq4Fn9klaDXMBDYay1o8mbd JdEV2jVtAjp9FskIan6NxfR48RB+9ATOaqqxyPPjkrCztKdukrJZYAADlUE4Z3A9 2BmKfFgnQKcGS8J0fg0+qcBhIsdE55/KJfg299+ztNgYQLWmzWk1i4M2ErinNW/p 64t6ALk/nIYLh+AjzOx5atGCPxnb6bfmh4+pz3kMRHhQmLI0hFmrLe45oA4fYGAz 3wVeFVipb4fsEWn2ZpWabUtVIGqpetnLNjF4aE3YlUZjmc1dO15pXdMcMKpqjh8= =ZzuZ -----END PGP SIGNATURE-----