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 debian-7-turnkey-mediawiki_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 16:54:14 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 2241a9adc2a2e106c8d34afdaff7618dd04f95f3 * md5sum 7cc2ca9335a91ca4c82cc93226a754e3 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) iQEcBAABAgAGBQJSXXMuAAoJEIXCXpWhbrlNUd0IAMjmdmbv1gg20hd4wLZM4Vsr drVLMlQnlQVaBJ271RbMiB9jU5QO7CJHgueZ1kTWPvzXhuAtISrV96DhlIMCXWAE 75wEwvToNyiMz0FKr/Sc7H+OL3abVqhnbU0FN7Rwyqpmdq5QE6e6is7Pfl+dIbFA j/vBJxGr8qjz+7g4ch/bzskfGrT6RDAMlZ47BM6iDiGpxHEw2BZTnVUKTrNAk0IL hLeue0vg9RbTA/ue4XxIJ2+kkgOOugBgIAND+AUGWTAZlZp9N2RilhkEt0VxtlXC gRxgmKfQMFQbBemJuQ/Af96EIw0WFqhAHaXle+Tw8JV9eJ0o95ZBmdQxT5qrYFM= =jLbg -----END PGP SIGNATURE-----