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-mibew_13.0-1_i386.ova.sig gpg: Signature made Tue Oct 15 17:02:50 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 6c3a7c94f1f7981d0c0e2f6cb5e43504777dddb3 * md5sum 9be73fe059789334cd7b6d09a4ea0c37 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) iQEcBAABAgAGBQJSXXUzAAoJEIXCXpWhbrlNBxsH/im2IPMeLen9sdekBQ6oJNVs pVrEH+5sI+H4OqXVIgjItR4ygutwnrEzknnx8VAZiO2hirz9Yd3yq+WgOgkwqkvI 6fuW55BS0HneLsuR7H5R0uDqH0ewOqtHZ2QZGfGx939tiDiRBXrTnYyjOSfRjLaa IW5oGarD8f5ORcDtsjjKJgkSt4B0xlYvrMYgDfXPmv4OKRdWh3+Y1+Nd6sSMLw90 DPxZZJslm5hBpVO2l+F1tymGtML0Jg7DAH9c3azBdonbiOuB9EmXP3H9gpWCbpfx JawHCF3iWy855X7gVZ8OjInQnR+BhH2XYfbSpYKH4yy7qbUYyoirpuS9kqlbGUo= =ReC0 -----END PGP SIGNATURE-----