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-wordpress-12.0-squeeze-x86-vmdk.zip.sig gpg: Signature made Tue Aug 21 12:41:43 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 8e788576ffe41603c01b5b1d3a596a0deaeb503c * md5sum 763f7189dfc855d1fe8d853fe9bcf485 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) iQEcBAABAgAGBQJQM4H8AAoJEIXCXpWhbrlNJNgH/3TmX92J9crl4cEdSt1VYfhG gxbV9aB2wt9fywMXosonnnNQfi4fuGc64yBzOvA4tgH8xByWIvmp/ZekT/Tm7CdD os5dxIQpk0Dc0yMQHxV8dznWRPidkBH4uFsbZ/R9dl/BlCGFH4cyZJu3vOLIQFI1 /hiNRVikskeaxAs7QqtSDL805e/tpQUZU+KkCodVHSbwrgFXsLnqTslg76XqAzGj pcfRFJxeNabU24s5NAaPthL/Pl0wgW+hbMqxFuzBQz09kcHAHxkesA9cpZswn2Ae SDeJF6ia0TR4vBqC4fuBIPBr6H2rhz9SExGE8scYMBVasRtifeFcb7To4C99rFw= =w2mO -----END PGP SIGNATURE-----