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-clipbucket-12.0-squeeze-x86-vmdk.zip.sig gpg: Signature made Tue Aug 21 11:31:34 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum db40fca694114ae412974890387f832787bd78f4 * md5sum aef735179f051f724f61f2f65865fea9 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) iQEcBAABAgAGBQJQM3GHAAoJEIXCXpWhbrlNirEIAM+9bnnokoRjnSAxQWFDa/Ik OHiStxx67f2f/GPlPccaQ1LmjoU8S7TQHvHayKgC/aA0GTC74BYoSeEiqm/YKqqm p3ayPr/ZA+Kg1fTpF5JS9x/klO1t1mIMrSuIKvO089RdLFpl4jMqJTzGTEcW3Mn1 +wdZJ1H/70Ad5Ha3XvQ4I1eiwCgNkFmPWPZKytyYA5eaq5EE2dzyJoJLwSBwoJuA KHWKJfp4j74bOKCshOPfbhylKFnWmuY/dynG6nr05OWlzch4TL2e7Ok7+ymsK7La bf6k8KKI9OVXl0sPaeuZkudEfeIY/NLGCryzwGaaiCk1pJNgQ74yhBYtVMOfkzI= =OBib -----END PGP SIGNATURE-----