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-roundup_13.0-1_i386.ova.sig gpg: Signature made Tue Oct 15 18:40:44 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a52079e562b69778380003cc5be8e21bfafeb036 * md5sum 5c2b2512ea4703bd772e0f5ae46f8677 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) iQEcBAABAgAGBQJSXYwmAAoJEIXCXpWhbrlN+JQH/iLiZp2l1hgVu1CV/U0qYyYp 9XAqZvZ1zJthVEilmTYnWc/yv/7JauGzwdAg//KIt7+XchJWFlPIj14NeaUsJBjV lBhNs29VLW0a7I/p8dyHQ1LKnB+NJgIhjW0npDqEvo/icpxbGYrXanznapEN0ahr Dn09lZ8+h/ywY3RH7Jkc4LjCsOGoazRjWQF3BzoPPPAk+FBc+8/BU8c0xUKZeOEE MfZdAwTFLyxUPGNe18W5AsmfaRuBjpjWVCTfMoviL4tvgVrShVmY4iUhP9QRjSZG 1MiEaYtJJQpJvHjmuiDXt5h4z7MISGtVxSywPEkknnF2R7T5V9JPw0sVN77aNwI= =7nxk -----END PGP SIGNATURE-----