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-e107-12.0-squeeze-x86-xen.tar.bz2.sig gpg: Signature made Tue Aug 21 15:33:12 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 2764d01d2347e5b96b8fcb24074b9ccea7cf078e * md5sum e08b6ed1ae127d3d3161969702c8a5c9 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) iQEcBAABAgAGBQJQM6ouAAoJEIXCXpWhbrlN43QIAISvI+L54gWfA3XAuSMdLpui h9f3+gFkXzZdBWYWPjg3DY/CCRosaU5qPt597RRnagsimlZk1rQbYjVnHGSHcS7z r808jXblqFLYvUAkqg275JQKhoGgDzF1lPl3gZfE/FagbTE32myIK9CJNBUFQoQ1 4uEaY2VyvUj6wUKrwqaRJbpZY5ZLZFrXhrMV25x3SXhlIJnY7ZVS1pQ9bDjr/2/q Ew6ygQh4ViTxX/p7zg3PVrJT8TKNoE0JRRXKPVsLT+dZU4+iSh9qnxyA5AmXyo37 djdcTSBIUPYKeX0kJdAi7zsYYZixDO6IAWFMIUafrdxfSuUJAU7pUJH+mNVPz5c= =cHHU -----END PGP SIGNATURE-----