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-i386-vmdk.zip.sig gpg: Signature made Tue Oct 15 16:56:11 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b9af368ad2b09d8da0c8a4abe2ef7035078651cd * md5sum fd52c3ac65af6f0a2369d46d1594b52d 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) iQEcBAABAgAGBQJSXXOhAAoJEIXCXpWhbrlNRkYIAIetPk2cKtmg4/QquvG1/jHn KE3M/p1TcsWYmIZF8NY4o/2xXhrtR5lgUHmtpAIiMJx0SAmaIrf8h4CbFmfLgmPz iLxa/hbZQYwMCsBJOBoL8+HmhW8f0i3TEq8MmydNBTEmQWMXB5xQY4yAamp8BnjM TMYcl2FacATRRCMTLQYN5mFyjLkj9cznQCWeWZV1rYSzN6V/ChaIUVETioNchGpE dGwtySC7XiZoNntlF/d4EQOtJ11Vy80H4Tn9pYVpgJH4R77qEmtq+6L5ITODpQil OlseDXYO2G2G6WaZQ9IcNrZFXxhB+mL/bt6yZ8p6JLaUI4DzZLvtU4cucIdKya8= =DV6H -----END PGP SIGNATURE-----