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-moinmoin-13.0-wheezy-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 09:13:35 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 568ab438e79473ad08b09094100218ece5d7f0c6 * md5sum 571d111365c8f008ee6461e75a7eb0c2 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) iQEcBAABAgAGBQJSXli1AAoJEIXCXpWhbrlNZWwH/28F9Ao3675ibOlkSliLBWZq 89Tdss8nk6GCd8+VaJjan2CiEC2QJ957PAU3odJSAQ10Tx01fmzAZWEtaC8x7jhZ /DY4OE+b5Uew0Hy1ErxAVGTBzgnvm9zrdpCEcRo9JGxg7pM0gnwZa9YwHbvz4uLE 9xGUwYBQMeVio+4k1bzWjlTo2Ea9vc0GpuWtyf+ivUfdh8UtPTl2dyb4Vcl09SOf ai9nvGtSanKpybLeAdRfOFfZzFinn7lqX45wF0mfG12CQ0HmjkJUPLTeaPpx0A85 +V3Fdfk3UEgEIinJ6ly+fo39OoowU61aEornBIuB8MnVAaPksnSxZaT1yIiOBAA= =vc3w -----END PGP SIGNATURE-----