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-nodejs-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 22:40:15 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 00593434897db0427252159d9d729299a1dcb13f * md5sum a49b0221bd0662067fe3c554c419e970 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) iQEcBAABAgAGBQJRrmzGAAoJEIXCXpWhbrlNRSEH/3b0wI0SOP/dCdxc2XJZF57a 5HZhuBwezpCjQVJrXD65JS81QEx4oiUS3oSJ7EKklXN5Q8cA48VWBUwlWWubxhMi Yl0pFFpBbHeShWfPVULMcKNbOCpZe++2R/InUr0roqTzzkZelq+zXnsULCEy7gP+ AnxUF3ZgXdmTg1DSWTL/s4dolWuaMfVH1/Sb4u5eNV6iapl9NPfmme2bwJmlNV9p WkRc64neGDIehHHQ0H3WH94aYH8aSYVqQKWR7lTPRzfEKpsFgx3QHxJ8BPzugUO1 Oh9hcVlgR9bASTxwbg4yRcO2Jl4vnXVlrik+xwMESsZt3t7uxdmCELUe825ZvwY= =+NOt -----END PGP SIGNATURE-----