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-postgresql_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 18:08:55 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 668224db53a662f5d27f292439dc3614ef9775c1 * md5sum 38e7457b09807516f621a90effae18a4 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) iQEcBAABAgAGBQJSXYSxAAoJEIXCXpWhbrlNz5AIAIzXam8gmAHP3Xmn7uHUsXVF H36oNe0TOTlv//9xOrOW0iP7ztuS1hxDPrFe5I8/ek/uUvC4MjYQfEhozBq51dK6 GIGlrLaSjgTUDNZlp8dmtu9obrWPfs1oK3kwYRhln8EOlGDF7TX69AtcdQwr5E5p YFN8SQE7dqNsGO+4D9MPqVg9FGK9HHj5zlVLTcaqSJ89WMYA5yS6RBbvyBZqkF/V 2eICcGmcvjw45LW3M7/TXjd9O2p74H3k0UNZR7YinNT1Xov7QjHZLDYhRsw/GKPe qHBbwac+mulGtF6VjrsNRvZujohWsTTerzNwdJuiNbkojw5dVM/a5z462XE2Mrg= =++y+ -----END PGP SIGNATURE-----